diff options
Diffstat (limited to 'drivers')
431 files changed, 5867 insertions, 2463 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index e7515aa43d6..6f190bc2b8b 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -243,6 +243,8 @@ static int acpi_ac_resume(struct device *dev) kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE); return 0; } +#else +#define acpi_ac_resume NULL #endif static SIMPLE_DEV_PM_OPS(acpi_ac_pm_ops, NULL, acpi_ac_resume); diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 018a4288370..797a6938d05 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -841,6 +841,8 @@ static int acpi_battery_resume(struct device *dev) acpi_battery_update(battery); return 0; } +#else +#define acpi_battery_resume NULL #endif static SIMPLE_DEV_PM_OPS(acpi_battery_pm, NULL, acpi_battery_resume); diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index 10e4964d051..afec4526c48 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -260,14 +260,6 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { }, { .callback = dmi_disable_osi_win8, - .ident = "Dell Inspiron 15R SE", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"), - }, - }, - { - .callback = dmi_disable_osi_win8, .ident = "ThinkPad Edge E530", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), @@ -322,56 +314,6 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_VERSION, "2349D15"), }, }, - { - .callback = dmi_disable_osi_win8, - .ident = "HP ProBook 2013 models", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook "), - DMI_MATCH(DMI_PRODUCT_NAME, " G1"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "HP EliteBook 2013 models", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook "), - DMI_MATCH(DMI_PRODUCT_NAME, " G1"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "HP ZBook 14", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 14"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "HP ZBook 15", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 15"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "HP ZBook 17", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 17"), - }, - }, - { - .callback = dmi_disable_osi_win8, - .ident = "HP EliteBook 8780w", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 8780w"), - }, - }, /* * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 11c11f6b8fa..714e957a871 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -80,6 +80,8 @@ static void acpi_button_notify(struct acpi_device *device, u32 event); #ifdef CONFIG_PM_SLEEP static int acpi_button_resume(struct device *dev); +#else +#define acpi_button_resume NULL #endif static SIMPLE_DEV_PM_OPS(acpi_button_pm, NULL, acpi_button_resume); diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 0b6ae6eb5c4..368f9ddb848 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -79,9 +79,10 @@ static int container_device_attach(struct acpi_device *adev, ACPI_COMPANION_SET(dev, adev); dev->release = acpi_container_release; ret = device_register(dev); - if (ret) + if (ret) { + put_device(dev); return ret; - + } adev->driver_data = dev; return 1; } diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index c431c88faaf..5bfd769fc91 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -609,7 +609,7 @@ static int handle_eject_request(struct dock_station *ds, u32 event) static void dock_notify(struct dock_station *ds, u32 event) { acpi_handle handle = ds->handle; - struct acpi_device *ad; + struct acpi_device *adev = NULL; int surprise_removal = 0; /* @@ -632,7 +632,8 @@ static void dock_notify(struct dock_station *ds, u32 event) switch (event) { case ACPI_NOTIFY_BUS_CHECK: case ACPI_NOTIFY_DEVICE_CHECK: - if (!dock_in_progress(ds) && acpi_bus_get_device(handle, &ad)) { + acpi_bus_get_device(handle, &adev); + if (!dock_in_progress(ds) && !acpi_device_enumerated(adev)) { begin_dock(ds); dock(ds); if (!dock_present(ds)) { @@ -712,13 +713,11 @@ static acpi_status __init find_dock_devices(acpi_handle handle, u32 lvl, static ssize_t show_docked(struct device *dev, struct device_attribute *attr, char *buf) { - struct acpi_device *tmp; - struct dock_station *dock_station = dev->platform_data; + struct acpi_device *adev = NULL; - if (!acpi_bus_get_device(dock_station->handle, &tmp)) - return snprintf(buf, PAGE_SIZE, "1\n"); - return snprintf(buf, PAGE_SIZE, "0\n"); + acpi_bus_get_device(dock_station->handle, &adev); + return snprintf(buf, PAGE_SIZE, "%u\n", acpi_device_enumerated(adev)); } static DEVICE_ATTR(docked, S_IRUGO, show_docked, NULL); diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 1fb62900f32..09e423f3d8a 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -55,6 +55,9 @@ MODULE_DEVICE_TABLE(acpi, fan_device_ids); #ifdef CONFIG_PM_SLEEP static int acpi_fan_suspend(struct device *dev); static int acpi_fan_resume(struct device *dev); +#else +#define acpi_fan_suspend NULL +#define acpi_fan_resume NULL #endif static SIMPLE_DEV_PM_OPS(acpi_fan_pm, acpi_fan_suspend, acpi_fan_resume); diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 52d45ea2bc4..361b40c10c3 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -430,6 +430,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) pin_name(pin)); } + kfree(entry); return 0; } diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index d465ae6cdd0..dbd48498b93 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -450,7 +450,7 @@ static ssize_t acpi_battery_alarm_store(struct device *dev, { unsigned long x; struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); - if (sscanf(buf, "%ld\n", &x) == 1) + if (sscanf(buf, "%lu\n", &x) == 1) battery->alarm_capacity = x / (1000 * acpi_battery_scale(battery)); if (battery->present) @@ -668,6 +668,8 @@ static int acpi_sbs_resume(struct device *dev) acpi_sbs_callback(sbs); return 0; } +#else +#define acpi_sbs_resume NULL #endif static SIMPLE_DEV_PM_OPS(acpi_sbs_pm, NULL, acpi_sbs_resume); diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 8349a555b92..08626c851be 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -102,6 +102,8 @@ MODULE_DEVICE_TABLE(acpi, thermal_device_ids); #ifdef CONFIG_PM_SLEEP static int acpi_thermal_resume(struct device *dev); +#else +#define acpi_thermal_resume NULL #endif static SIMPLE_DEV_PM_OPS(acpi_thermal_pm, NULL, acpi_thermal_resume); diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index b727d105046..b6ba88ed31a 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -81,11 +81,12 @@ static bool allow_duplicates; module_param(allow_duplicates, bool, 0644); /* - * For Windows 8 systems: if set ture and the GPU driver has - * registered a backlight interface, skip registering ACPI video's. + * For Windows 8 systems: used to decide if video module + * should skip registering backlight interface of its own. */ -static bool use_native_backlight = false; -module_param(use_native_backlight, bool, 0644); +static int use_native_backlight_param = -1; +module_param_named(use_native_backlight, use_native_backlight_param, int, 0444); +static bool use_native_backlight_dmi = false; static int register_count; static struct mutex video_list_lock; @@ -231,9 +232,17 @@ static int acpi_video_get_next_level(struct acpi_video_device *device, static int acpi_video_switch_brightness(struct acpi_video_device *device, int event); +static bool acpi_video_use_native_backlight(void) +{ + if (use_native_backlight_param != -1) + return use_native_backlight_param; + else + return use_native_backlight_dmi; +} + static bool acpi_video_verify_backlight_support(void) { - if (acpi_osi_is_win8() && use_native_backlight && + if (acpi_osi_is_win8() && acpi_video_use_native_backlight() && backlight_device_registered(BACKLIGHT_RAW)) return false; return acpi_video_backlight_support(); @@ -398,6 +407,12 @@ static int __init video_set_bqc_offset(const struct dmi_system_id *d) return 0; } +static int __init video_set_use_native_backlight(const struct dmi_system_id *d) +{ + use_native_backlight_dmi = true; + return 0; +} + static struct dmi_system_id video_dmi_table[] __initdata = { /* * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121 @@ -442,6 +457,120 @@ static struct dmi_system_id video_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720"), }, }, + { + .callback = video_set_use_native_backlight, + .ident = "ThinkPad T430s", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T430s"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "ThinkPad X230", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X230"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "ThinkPad X1 Carbon", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X1 Carbon"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "Lenovo Yoga 13", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo IdeaPad Yoga 13"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "Dell Inspiron 7520", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_VERSION, "Inspiron 7520"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "Acer Aspire 5733Z", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5733Z"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "Acer Aspire V5-431", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire V5-431"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "HP ProBook 4340s", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_VERSION, "HP ProBook 4340s"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "HP ProBook 2013 models", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook "), + DMI_MATCH(DMI_PRODUCT_NAME, " G1"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "HP EliteBook 2013 models", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook "), + DMI_MATCH(DMI_PRODUCT_NAME, " G1"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "HP ZBook 14", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 14"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "HP ZBook 15", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 15"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "HP ZBook 17", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP ZBook 17"), + }, + }, + { + .callback = video_set_use_native_backlight, + .ident = "HP EliteBook 8780w", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook 8780w"), + }, + }, {} }; @@ -685,6 +814,7 @@ acpi_video_init_brightness(struct acpi_video_device *device) union acpi_object *o; struct acpi_video_device_brightness *br = NULL; int result = -EINVAL; + u32 value; if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available " @@ -715,7 +845,12 @@ acpi_video_init_brightness(struct acpi_video_device *device) printk(KERN_ERR PREFIX "Invalid data\n"); continue; } - br->levels[count] = (u32) o->integer.value; + value = (u32) o->integer.value; + /* Skip duplicate entries */ + if (count > 2 && br->levels[count - 1] == value) + continue; + + br->levels[count] = value; if (br->levels[count] > max_level) max_level = br->levels[count]; diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index a697b77b886..19080c8e2f2 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -168,22 +168,6 @@ static struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), }, }, - { - .callback = video_detect_force_vendor, - .ident = "HP EliteBook Revolve 810", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook Revolve 810 G1"), - }, - }, - { - .callback = video_detect_force_vendor, - .ident = "Lenovo Yoga 13", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo IdeaPad Yoga 13"), - }, - }, { }, }; diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 4e737728aee..868429a47be 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -247,6 +247,7 @@ config SATA_HIGHBANK config SATA_MV tristate "Marvell SATA support" + select GENERIC_PHY help This option enables support for the Marvell Serial ATA family. Currently supports 88SX[56]0[48][01] PCI(-X) chips, diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index dc2756fb6f3..c81d809c111 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -61,6 +61,7 @@ enum board_ids { /* board IDs by feature in alphabetical order */ board_ahci, board_ahci_ign_iferr, + board_ahci_noncq, board_ahci_nosntf, board_ahci_yes_fbs, @@ -121,6 +122,13 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, }, + [board_ahci_noncq] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, [board_ahci_nosntf] = { AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF), .flags = AHCI_FLAG_COMMON, @@ -452,6 +460,12 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */ + /* + * Samsung SSDs found on some macbooks. NCQ times out. + * https://bugzilla.kernel.org/show_bug.cgi?id=60731 + */ + { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_noncq }, + /* Enmotus */ { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, @@ -1170,8 +1184,10 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports, nvec = rc; rc = pci_enable_msi_block(pdev, nvec); - if (rc) + if (rc < 0) goto intx; + else if (rc > 0) + goto single_msi; return nvec; diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 20fd337a573..7ccc084bf1d 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -447,8 +447,11 @@ static void sata_pmp_quirks(struct ata_port *ap) * otherwise. Don't try hard to recover it. */ ap->pmp_link[ap->nr_pmp_links - 1].flags |= ATA_LFLAG_NO_RETRY; - } else if (vendor == 0x197b && devid == 0x2352) { - /* chip found in Thermaltake BlackX Duet, jmicron JMB350? */ + } else if (vendor == 0x197b && (devid == 0x2352 || devid == 0x0325)) { + /* + * 0x2352: found in Thermaltake BlackX Duet, jmicron JMB350? + * 0x0325: jmicron JMB394. + */ ata_for_each_link(link, ap, EDGE) { /* SRST breaks detection and disks get misclassified * LPM disabled to avoid potential problems diff --git a/drivers/ata/pata_imx.c b/drivers/ata/pata_imx.c index 26386f0b89a..b0b18ec5465 100644 --- a/drivers/ata/pata_imx.c +++ b/drivers/ata/pata_imx.c @@ -119,7 +119,9 @@ static int pata_imx_probe(struct platform_device *pdev) return PTR_ERR(priv->clk); } - clk_prepare_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; host = ata_host_alloc(&pdev->dev, 1); if (!host) { @@ -212,7 +214,9 @@ static int pata_imx_resume(struct device *dev) struct ata_host *host = dev_get_drvdata(dev); struct pata_imx_priv *priv = host->private_data; - clk_prepare_enable(priv->clk); + int ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; __raw_writel(priv->ata_ctl, priv->host_regs + PATA_IMX_ATA_CONTROL); diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 20a7517bd33..05c8a44adf8 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -4104,7 +4104,6 @@ static int mv_platform_probe(struct platform_device *pdev) if (!hpriv->port_phys) return -ENOMEM; host->private_data = hpriv; - hpriv->n_ports = n_ports; hpriv->board_idx = chip_soc; host->iomap = NULL; @@ -4126,17 +4125,24 @@ static int mv_platform_probe(struct platform_device *pdev) clk_prepare_enable(hpriv->port_clks[port]); sprintf(port_number, "port%d", port); - hpriv->port_phys[port] = devm_phy_get(&pdev->dev, port_number); + hpriv->port_phys[port] = devm_phy_optional_get(&pdev->dev, + port_number); if (IS_ERR(hpriv->port_phys[port])) { rc = PTR_ERR(hpriv->port_phys[port]); hpriv->port_phys[port] = NULL; - if ((rc != -EPROBE_DEFER) && (rc != -ENODEV)) - dev_warn(&pdev->dev, "error getting phy"); + if (rc != -EPROBE_DEFER) + dev_warn(&pdev->dev, "error getting phy %d", rc); + + /* Cleanup only the initialized ports */ + hpriv->n_ports = port; goto err; } else phy_power_on(hpriv->port_phys[port]); } + /* All the ports have been initialized */ + hpriv->n_ports = n_ports; + /* * (Re-)program MBUS remapping windows if we are asked to. */ @@ -4174,7 +4180,7 @@ err: clk_disable_unprepare(hpriv->clk); clk_put(hpriv->clk); } - for (port = 0; port < n_ports; port++) { + for (port = 0; port < hpriv->n_ports; port++) { if (!IS_ERR(hpriv->port_clks[port])) { clk_disable_unprepare(hpriv->port_clks[port]); clk_put(hpriv->port_clks[port]); diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index d67fc351343..b7695e80463 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -157,6 +157,7 @@ static const struct sil_drivelist { { "ST380011ASL", SIL_QUIRK_MOD15WRITE }, { "ST3120022ASL", SIL_QUIRK_MOD15WRITE }, { "ST3160021ASL", SIL_QUIRK_MOD15WRITE }, + { "TOSHIBA MK2561GSYN", SIL_QUIRK_MOD15WRITE }, { "Maxtor 4D060H3", SIL_QUIRK_UDMA5MAX }, { } }; diff --git a/drivers/base/component.c b/drivers/base/component.c index c53efe6c6d8..c4778995cd7 100644 --- a/drivers/base/component.c +++ b/drivers/base/component.c @@ -133,9 +133,16 @@ static int try_to_bring_up_master(struct master *master, goto out; } + if (!devres_open_group(master->dev, NULL, GFP_KERNEL)) { + ret = -ENOMEM; + goto out; + } + /* Found all components */ ret = master->ops->bind(master->dev); if (ret < 0) { + devres_release_group(master->dev, NULL); + dev_info(master->dev, "master bind failed: %d\n", ret); master_remove_components(master); goto out; } @@ -166,6 +173,7 @@ static void take_down_master(struct master *master) { if (master->bound) { master->ops->unbind(master->dev); + devres_release_group(master->dev, NULL); master->bound = false; } diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c index 1e16cbd61da..61d6d62cc0d 100644 --- a/drivers/base/dma-buf.c +++ b/drivers/base/dma-buf.c @@ -616,36 +616,35 @@ static int dma_buf_describe(struct seq_file *s) if (ret) return ret; - seq_printf(s, "\nDma-buf Objects:\n"); - seq_printf(s, "\texp_name\tsize\tflags\tmode\tcount\n"); + seq_puts(s, "\nDma-buf Objects:\n"); + seq_puts(s, "size\tflags\tmode\tcount\texp_name\n"); list_for_each_entry(buf_obj, &db_list.head, list_node) { ret = mutex_lock_interruptible(&buf_obj->lock); if (ret) { - seq_printf(s, - "\tERROR locking buffer object: skipping\n"); + seq_puts(s, + "\tERROR locking buffer object: skipping\n"); continue; } - seq_printf(s, "\t"); - - seq_printf(s, "\t%s\t%08zu\t%08x\t%08x\t%08ld\n", - buf_obj->exp_name, buf_obj->size, + seq_printf(s, "%08zu\t%08x\t%08x\t%08ld\t%s\n", + buf_obj->size, buf_obj->file->f_flags, buf_obj->file->f_mode, - (long)(buf_obj->file->f_count.counter)); + (long)(buf_obj->file->f_count.counter), + buf_obj->exp_name); - seq_printf(s, "\t\tAttached Devices:\n"); + seq_puts(s, "\tAttached Devices:\n"); attach_count = 0; list_for_each_entry(attach_obj, &buf_obj->attachments, node) { - seq_printf(s, "\t\t"); + seq_puts(s, "\t"); - seq_printf(s, "%s\n", attach_obj->dev->init_name); + seq_printf(s, "%s\n", dev_name(attach_obj->dev)); attach_count++; } - seq_printf(s, "\n\t\tTotal %d devices attached\n", + seq_printf(s, "Total %d devices attached\n\n", attach_count); count++; diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 3107282a974..091b9ea14fe 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -60,7 +60,9 @@ enum { NULL_IRQ_NONE = 0, NULL_IRQ_SOFTIRQ = 1, NULL_IRQ_TIMER = 2, +}; +enum { NULL_Q_BIO = 0, NULL_Q_RQ = 1, NULL_Q_MQ = 2, @@ -172,18 +174,20 @@ static struct nullb_cmd *alloc_cmd(struct nullb_queue *nq, int can_wait) static void end_cmd(struct nullb_cmd *cmd) { - if (cmd->rq) { - if (queue_mode == NULL_Q_MQ) - blk_mq_end_io(cmd->rq, 0); - else { - INIT_LIST_HEAD(&cmd->rq->queuelist); - blk_end_request_all(cmd->rq, 0); - } - } else if (cmd->bio) + switch (queue_mode) { + case NULL_Q_MQ: + blk_mq_end_io(cmd->rq, 0); + return; + case NULL_Q_RQ: + INIT_LIST_HEAD(&cmd->rq->queuelist); + blk_end_request_all(cmd->rq, 0); + break; + case NULL_Q_BIO: bio_endio(cmd->bio, 0); + break; + } - if (queue_mode != NULL_Q_MQ) - free_cmd(cmd); + free_cmd(cmd); } static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) @@ -195,6 +199,7 @@ static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) cq = &per_cpu(completion_queues, smp_processor_id()); while ((entry = llist_del_all(&cq->list)) != NULL) { + entry = llist_reverse_order(entry); do { cmd = container_of(entry, struct nullb_cmd, ll_list); end_cmd(cmd); @@ -221,61 +226,31 @@ static void null_cmd_end_timer(struct nullb_cmd *cmd) static void null_softirq_done_fn(struct request *rq) { - blk_end_request_all(rq, 0); -} - -#ifdef CONFIG_SMP - -static void null_ipi_cmd_end_io(void *data) -{ - struct completion_queue *cq; - struct llist_node *entry, *next; - struct nullb_cmd *cmd; - - cq = &per_cpu(completion_queues, smp_processor_id()); - - entry = llist_del_all(&cq->list); - - while (entry) { - next = entry->next; - cmd = llist_entry(entry, struct nullb_cmd, ll_list); - end_cmd(cmd); - entry = next; - } -} - -static void null_cmd_end_ipi(struct nullb_cmd *cmd) -{ - struct call_single_data *data = &cmd->csd; - int cpu = get_cpu(); - struct completion_queue *cq = &per_cpu(completion_queues, cpu); - - cmd->ll_list.next = NULL; - - if (llist_add(&cmd->ll_list, &cq->list)) { - data->func = null_ipi_cmd_end_io; - data->flags = 0; - __smp_call_function_single(cpu, data, 0); - } - - put_cpu(); + end_cmd(rq->special); } -#endif /* CONFIG_SMP */ - static inline void null_handle_cmd(struct nullb_cmd *cmd) { /* Complete IO by inline, softirq or timer */ switch (irqmode) { - case NULL_IRQ_NONE: - end_cmd(cmd); - break; case NULL_IRQ_SOFTIRQ: -#ifdef CONFIG_SMP - null_cmd_end_ipi(cmd); -#else + switch (queue_mode) { + case NULL_Q_MQ: + blk_mq_complete_request(cmd->rq); + break; + case NULL_Q_RQ: + blk_complete_request(cmd->rq); + break; + case NULL_Q_BIO: + /* + * XXX: no proper submitting cpu information available. + */ + end_cmd(cmd); + break; + } + break; + case NULL_IRQ_NONE: end_cmd(cmd); -#endif break; case NULL_IRQ_TIMER: null_cmd_end_timer(cmd); @@ -411,6 +386,7 @@ static struct blk_mq_ops null_mq_ops = { .queue_rq = null_queue_rq, .map_queue = blk_mq_map_queue, .init_hctx = null_init_hctx, + .complete = null_softirq_done_fn, }; static struct blk_mq_reg null_mq_reg = { @@ -609,13 +585,6 @@ static int __init null_init(void) { unsigned int i; -#if !defined(CONFIG_SMP) - if (irqmode == NULL_IRQ_SOFTIRQ) { - pr_warn("null_blk: softirq completions not available.\n"); - pr_warn("null_blk: using direct completions.\n"); - irqmode = NULL_IRQ_NONE; - } -#endif if (bs > PAGE_SIZE) { pr_warn("null_blk: invalid block size\n"); pr_warn("null_blk: defaults block size to %lu\n", PAGE_SIZE); diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 6a680d4de7f..b1cb3f4c4db 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -110,9 +110,9 @@ static int __virtblk_add_req(struct virtqueue *vq, return virtqueue_add_sgs(vq, sgs, num_out, num_in, vbr, GFP_ATOMIC); } -static inline void virtblk_request_done(struct virtblk_req *vbr) +static inline void virtblk_request_done(struct request *req) { - struct request *req = vbr->req; + struct virtblk_req *vbr = req->special; int error = virtblk_result(vbr); if (req->cmd_type == REQ_TYPE_BLOCK_PC) { @@ -138,7 +138,7 @@ static void virtblk_done(struct virtqueue *vq) do { virtqueue_disable_cb(vq); while ((vbr = virtqueue_get_buf(vblk->vq, &len)) != NULL) { - virtblk_request_done(vbr); + blk_mq_complete_request(vbr->req); req_done = true; } if (unlikely(virtqueue_is_broken(vq))) @@ -479,6 +479,7 @@ static struct blk_mq_ops virtio_mq_ops = { .map_queue = blk_mq_map_queue, .alloc_hctx = blk_mq_alloc_single_hw_queue, .free_hctx = blk_mq_free_single_hw_queue, + .complete = virtblk_request_done, }; static struct blk_mq_reg virtio_mq_reg = { diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 4b97b86da92..64c60edcdfb 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -299,7 +299,7 @@ static void free_persistent_gnts(struct xen_blkif *blkif, struct rb_root *root, BUG_ON(num != 0); } -static void unmap_purged_grants(struct work_struct *work) +void xen_blkbk_unmap_purged_grants(struct work_struct *work) { struct gnttab_unmap_grant_ref unmap[BLKIF_MAX_SEGMENTS_PER_REQUEST]; struct page *pages[BLKIF_MAX_SEGMENTS_PER_REQUEST]; @@ -375,7 +375,7 @@ static void purge_persistent_gnt(struct xen_blkif *blkif) pr_debug(DRV_PFX "Going to purge %u persistent grants\n", num_clean); - INIT_LIST_HEAD(&blkif->persistent_purge_list); + BUG_ON(!list_empty(&blkif->persistent_purge_list)); root = &blkif->persistent_gnts; purge_list: foreach_grant_safe(persistent_gnt, n, root, node) { @@ -420,7 +420,6 @@ finished: blkif->vbd.overflow_max_grants = 0; /* We can defer this work */ - INIT_WORK(&blkif->persistent_purge_work, unmap_purged_grants); schedule_work(&blkif->persistent_purge_work); pr_debug(DRV_PFX "Purged %u/%u\n", (total - num_clean), total); return; @@ -625,9 +624,23 @@ purge_gnt_list: print_stats(blkif); } - /* Since we are shutting down remove all pages from the buffer */ - shrink_free_pagepool(blkif, 0 /* All */); + /* Drain pending purge work */ + flush_work(&blkif->persistent_purge_work); + if (log_stats) + print_stats(blkif); + + blkif->xenblkd = NULL; + xen_blkif_put(blkif); + + return 0; +} + +/* + * Remove persistent grants and empty the pool of free pages + */ +void xen_blkbk_free_caches(struct xen_blkif *blkif) +{ /* Free all persistent grant pages */ if (!RB_EMPTY_ROOT(&blkif->persistent_gnts)) free_persistent_gnts(blkif, &blkif->persistent_gnts, @@ -636,13 +649,8 @@ purge_gnt_list: BUG_ON(!RB_EMPTY_ROOT(&blkif->persistent_gnts)); blkif->persistent_gnt_c = 0; - if (log_stats) - print_stats(blkif); - - blkif->xenblkd = NULL; - xen_blkif_put(blkif); - - return 0; + /* Since we are shutting down remove all pages from the buffer */ + shrink_free_pagepool(blkif, 0 /* All */); } /* @@ -838,7 +846,7 @@ static int xen_blkbk_parse_indirect(struct blkif_request *req, struct grant_page **pages = pending_req->indirect_pages; struct xen_blkif *blkif = pending_req->blkif; int indirect_grefs, rc, n, nseg, i; - struct blkif_request_segment_aligned *segments = NULL; + struct blkif_request_segment *segments = NULL; nseg = pending_req->nr_pages; indirect_grefs = INDIRECT_PAGES(nseg); @@ -934,9 +942,7 @@ static void xen_blk_drain_io(struct xen_blkif *blkif) { atomic_set(&blkif->drain, 1); do { - /* The initial value is one, and one refcnt taken at the - * start of the xen_blkif_schedule thread. */ - if (atomic_read(&blkif->refcnt) <= 2) + if (atomic_read(&blkif->inflight) == 0) break; wait_for_completion_interruptible_timeout( &blkif->drain_complete, HZ); @@ -976,17 +982,30 @@ static void __end_block_io_op(struct pending_req *pending_req, int error) * the proper response on the ring. */ if (atomic_dec_and_test(&pending_req->pendcnt)) { - xen_blkbk_unmap(pending_req->blkif, + struct xen_blkif *blkif = pending_req->blkif; + + xen_blkbk_unmap(blkif, pending_req->segments, pending_req->nr_pages); - make_response(pending_req->blkif, pending_req->id, + make_response(blkif, pending_req->id, pending_req->operation, pending_req->status); - xen_blkif_put(pending_req->blkif); - if (atomic_read(&pending_req->blkif->refcnt) <= 2) { - if (atomic_read(&pending_req->blkif->drain)) - complete(&pending_req->blkif->drain_complete); + free_req(blkif, pending_req); + /* + * Make sure the request is freed before releasing blkif, + * or there could be a race between free_req and the + * cleanup done in xen_blkif_free during shutdown. + * + * NB: The fact that we might try to wake up pending_free_wq + * before drain_complete (in case there's a drain going on) + * it's not a problem with our current implementation + * because we can assure there's no thread waiting on + * pending_free_wq if there's a drain going on, but it has + * to be taken into account if the current model is changed. + */ + if (atomic_dec_and_test(&blkif->inflight) && atomic_read(&blkif->drain)) { + complete(&blkif->drain_complete); } - free_req(pending_req->blkif, pending_req); + xen_blkif_put(blkif); } } @@ -1240,6 +1259,7 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, * below (in "!bio") if we are handling a BLKIF_OP_DISCARD. */ xen_blkif_get(blkif); + atomic_inc(&blkif->inflight); for (i = 0; i < nseg; i++) { while ((bio == NULL) || diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 8d8807563d9..be052773ad0 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -57,7 +57,7 @@ #define MAX_INDIRECT_SEGMENTS 256 #define SEGS_PER_INDIRECT_FRAME \ - (PAGE_SIZE/sizeof(struct blkif_request_segment_aligned)) + (PAGE_SIZE/sizeof(struct blkif_request_segment)) #define MAX_INDIRECT_PAGES \ ((MAX_INDIRECT_SEGMENTS + SEGS_PER_INDIRECT_FRAME - 1)/SEGS_PER_INDIRECT_FRAME) #define INDIRECT_PAGES(_segs) \ @@ -278,6 +278,7 @@ struct xen_blkif { /* for barrier (drain) requests */ struct completion drain_complete; atomic_t drain; + atomic_t inflight; /* One thread per one blkif. */ struct task_struct *xenblkd; unsigned int waiting_reqs; @@ -376,6 +377,7 @@ int xen_blkif_xenbus_init(void); irqreturn_t xen_blkif_be_int(int irq, void *dev_id); int xen_blkif_schedule(void *arg); int xen_blkif_purge_persistent(void *arg); +void xen_blkbk_free_caches(struct xen_blkif *blkif); int xen_blkbk_flush_diskcache(struct xenbus_transaction xbt, struct backend_info *be, int state); @@ -383,6 +385,7 @@ int xen_blkbk_flush_diskcache(struct xenbus_transaction xbt, int xen_blkbk_barrier(struct xenbus_transaction xbt, struct backend_info *be, int state); struct xenbus_device *xen_blkbk_xenbus(struct backend_info *be); +void xen_blkbk_unmap_purged_grants(struct work_struct *work); static inline void blkif_get_x86_32_req(struct blkif_request *dst, struct blkif_x86_32_request *src) diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index c2014a0aa20..9a547e6b6eb 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -125,8 +125,11 @@ static struct xen_blkif *xen_blkif_alloc(domid_t domid) blkif->persistent_gnts.rb_node = NULL; spin_lock_init(&blkif->free_pages_lock); INIT_LIST_HEAD(&blkif->free_pages); + INIT_LIST_HEAD(&blkif->persistent_purge_list); blkif->free_pages_num = 0; atomic_set(&blkif->persistent_gnt_in_use, 0); + atomic_set(&blkif->inflight, 0); + INIT_WORK(&blkif->persistent_purge_work, xen_blkbk_unmap_purged_grants); INIT_LIST_HEAD(&blkif->pending_free); @@ -259,6 +262,17 @@ static void xen_blkif_free(struct xen_blkif *blkif) if (!atomic_dec_and_test(&blkif->refcnt)) BUG(); + /* Remove all persistent grants and the cache of ballooned pages. */ + xen_blkbk_free_caches(blkif); + + /* Make sure everything is drained before shutting down */ + BUG_ON(blkif->persistent_gnt_c != 0); + BUG_ON(atomic_read(&blkif->persistent_gnt_in_use) != 0); + BUG_ON(blkif->free_pages_num != 0); + BUG_ON(!list_empty(&blkif->persistent_purge_list)); + BUG_ON(!list_empty(&blkif->free_pages)); + BUG_ON(!RB_EMPTY_ROOT(&blkif->persistent_gnts)); + /* Check that there is no request in use */ list_for_each_entry_safe(req, n, &blkif->pending_free, free_list) { list_del(&req->free_list); diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 8dcfb54f160..efe1b476173 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -162,7 +162,7 @@ static DEFINE_SPINLOCK(minor_lock); #define DEV_NAME "xvd" /* name in /dev */ #define SEGS_PER_INDIRECT_FRAME \ - (PAGE_SIZE/sizeof(struct blkif_request_segment_aligned)) + (PAGE_SIZE/sizeof(struct blkif_request_segment)) #define INDIRECT_GREFS(_segs) \ ((_segs + SEGS_PER_INDIRECT_FRAME - 1)/SEGS_PER_INDIRECT_FRAME) @@ -393,7 +393,7 @@ static int blkif_queue_request(struct request *req) unsigned long id; unsigned int fsect, lsect; int i, ref, n; - struct blkif_request_segment_aligned *segments = NULL; + struct blkif_request_segment *segments = NULL; /* * Used to store if we are able to queue the request by just using @@ -550,7 +550,7 @@ static int blkif_queue_request(struct request *req) } else { n = i % SEGS_PER_INDIRECT_FRAME; segments[n] = - (struct blkif_request_segment_aligned) { + (struct blkif_request_segment) { .gref = ref, .first_sect = fsect, .last_sect = lsect }; @@ -1904,13 +1904,16 @@ static void blkback_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateConnected: blkfront_connect(info); break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's Closing state -- fallthrough */ case XenbusStateClosing: blkfront_closing(info); break; diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index fa3243d71c7..1386749b48f 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -499,6 +499,7 @@ config RAW_DRIVER config MAX_RAW_DEVS int "Maximum number of RAW devices to support (1-65536)" depends on RAW_DRIVER + range 1 65536 default "256" help The maximum number of RAW devices that are supported. diff --git a/drivers/char/raw.c b/drivers/char/raw.c index f3223aac4df..6e8d65e9b1d 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -190,7 +190,7 @@ static int bind_get(int number, dev_t *dev) struct raw_device_data *rawdev; struct block_device *bdev; - if (number <= 0 || number >= MAX_RAW_MINORS) + if (number <= 0 || number >= max_raw_minors) return -EINVAL; rawdev = &raw_devices[number]; diff --git a/drivers/clocksource/bcm_kona_timer.c b/drivers/clocksource/bcm_kona_timer.c index 974b2db2fe1..0595dc6c453 100644 --- a/drivers/clocksource/bcm_kona_timer.c +++ b/drivers/clocksource/bcm_kona_timer.c @@ -99,31 +99,6 @@ kona_timer_get_counter(void *timer_base, uint32_t *msw, uint32_t *lsw) return; } -static void __init kona_timers_init(struct device_node *node) -{ - u32 freq; - struct clk *external_clk; - - external_clk = of_clk_get_by_name(node, NULL); - - if (!IS_ERR(external_clk)) { - arch_timer_rate = clk_get_rate(external_clk); - clk_prepare_enable(external_clk); - } else if (!of_property_read_u32(node, "clock-frequency", &freq)) { - arch_timer_rate = freq; - } else { - panic("unable to determine clock-frequency"); - } - - /* Setup IRQ numbers */ - timers.tmr_irq = irq_of_parse_and_map(node, 0); - - /* Setup IO addresses */ - timers.tmr_regs = of_iomap(node, 0); - - kona_timer_disable_and_clear(timers.tmr_regs); -} - static int kona_timer_set_next_event(unsigned long clc, struct clock_event_device *unused) { @@ -198,7 +173,34 @@ static struct irqaction kona_timer_irq = { static void __init kona_timer_init(struct device_node *node) { - kona_timers_init(node); + u32 freq; + struct clk *external_clk; + + if (!of_device_is_available(node)) { + pr_info("Kona Timer v1 marked as disabled in device tree\n"); + return; + } + + external_clk = of_clk_get_by_name(node, NULL); + + if (!IS_ERR(external_clk)) { + arch_timer_rate = clk_get_rate(external_clk); + clk_prepare_enable(external_clk); + } else if (!of_property_read_u32(node, "clock-frequency", &freq)) { + arch_timer_rate = freq; + } else { + pr_err("Kona Timer v1 unable to determine clock-frequency"); + return; + } + + /* Setup IRQ numbers */ + timers.tmr_irq = irq_of_parse_and_map(node, 0); + + /* Setup IO addresses */ + timers.tmr_regs = of_iomap(node, 0); + + kona_timer_disable_and_clear(timers.tmr_regs); + kona_timer_clockevents_init(); setup_irq(timers.tmr_irq, &kona_timer_irq); kona_timer_set_next_event((arch_timer_rate / HZ), NULL); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 08ca8c9f41c..cb003a6b72c 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1323,8 +1323,7 @@ static int __cpufreq_remove_dev_prepare(struct device *dev, up_read(&policy->rwsem); if (cpu != policy->cpu) { - if (!frozen) - sysfs_remove_link(&dev->kobj, "cpufreq"); + sysfs_remove_link(&dev->kobj, "cpufreq"); } else if (cpus > 1) { new_cpu = cpufreq_nominate_new_policy_cpu(policy, cpu); if (new_cpu >= 0) { diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 79606f473f4..e9081610592 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -34,8 +34,10 @@ #define SAMPLE_COUNT 3 -#define BYT_RATIOS 0x66a -#define BYT_VIDS 0x66b +#define BYT_RATIOS 0x66a +#define BYT_VIDS 0x66b +#define BYT_TURBO_RATIOS 0x66c + #define FRAC_BITS 8 #define int_tofp(X) ((int64_t)(X) << FRAC_BITS) @@ -51,8 +53,6 @@ static inline int32_t div_fp(int32_t x, int32_t y) return div_s64((int64_t)x << FRAC_BITS, (int64_t)y); } -static u64 energy_divisor; - struct sample { int32_t core_pct_busy; u64 aperf; @@ -359,7 +359,7 @@ static int byt_get_min_pstate(void) { u64 value; rdmsrl(BYT_RATIOS, value); - return value & 0xFF; + return (value >> 8) & 0xFF; } static int byt_get_max_pstate(void) @@ -369,6 +369,13 @@ static int byt_get_max_pstate(void) return (value >> 16) & 0xFF; } +static int byt_get_turbo_pstate(void) +{ + u64 value; + rdmsrl(BYT_TURBO_RATIOS, value); + return value & 0x3F; +} + static void byt_set_pstate(struct cpudata *cpudata, int pstate) { u64 val; @@ -471,7 +478,7 @@ static struct cpu_defaults byt_params = { .funcs = { .get_max = byt_get_max_pstate, .get_min = byt_get_min_pstate, - .get_turbo = byt_get_max_pstate, + .get_turbo = byt_get_turbo_pstate, .set = byt_set_pstate, .get_vid = byt_get_vid, }, @@ -630,12 +637,10 @@ static void intel_pstate_timer_func(unsigned long __data) { struct cpudata *cpu = (struct cpudata *) __data; struct sample *sample; - u64 energy; intel_pstate_sample(cpu); sample = &cpu->samples[cpu->sample_ptr]; - rdmsrl(MSR_PKG_ENERGY_STATUS, energy); intel_pstate_adjust_busy_pstate(cpu); @@ -644,7 +649,6 @@ static void intel_pstate_timer_func(unsigned long __data) cpu->pstate.current_pstate, sample->mperf, sample->aperf, - div64_u64(energy, energy_divisor), sample->freq); intel_pstate_set_sample_time(cpu); @@ -926,7 +930,6 @@ static int __init intel_pstate_init(void) int cpu, rc = 0; const struct x86_cpu_id *id; struct cpu_defaults *cpu_info; - u64 units; if (no_load) return -ENODEV; @@ -960,9 +963,6 @@ static int __init intel_pstate_init(void) if (rc) goto out; - rdmsrl(MSR_RAPL_POWER_UNIT, units); - energy_divisor = 1 << ((units >> 8) & 0x1f); /* bits{12:8} */ - intel_pstate_debug_expose_params(); intel_pstate_sysfs_expose_params(); diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index e10b646634d..6684e034279 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -1076,7 +1076,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol) { struct powernow_k8_data *data; struct init_on_cpu init_on_cpu; - int rc; + int rc, cpu; smp_call_function_single(pol->cpu, check_supported_cpu, &rc, 1); if (rc) @@ -1140,7 +1140,9 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol) pr_debug("cpu_init done, current fid 0x%x, vid 0x%x\n", data->currfid, data->currvid); - per_cpu(powernow_data, pol->cpu) = data; + /* Point all the CPUs in this policy to the same data */ + for_each_cpu(cpu, pol->cpus) + per_cpu(powernow_data, cpu) = data; return 0; @@ -1155,6 +1157,7 @@ err_out: static int powernowk8_cpu_exit(struct cpufreq_policy *pol) { struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu); + int cpu; if (!data) return -EINVAL; @@ -1165,7 +1168,8 @@ static int powernowk8_cpu_exit(struct cpufreq_policy *pol) kfree(data->powernow_table); kfree(data); - per_cpu(powernow_data, pol->cpu) = NULL; + for_each_cpu(cpu, pol->cpus) + per_cpu(powernow_data, cpu) = NULL; return 0; } diff --git a/drivers/crypto/nx/nx-842.c b/drivers/crypto/nx/nx-842.c index 6c4c000671c..1e5481d88a2 100644 --- a/drivers/crypto/nx/nx-842.c +++ b/drivers/crypto/nx/nx-842.c @@ -158,6 +158,15 @@ static inline unsigned long nx842_get_scatterlist_size( return sl->entry_nr * sizeof(struct nx842_slentry); } +static inline unsigned long nx842_get_pa(void *addr) +{ + if (is_vmalloc_addr(addr)) + return page_to_phys(vmalloc_to_page(addr)) + + offset_in_page(addr); + else + return __pa(addr); +} + static int nx842_build_scatterlist(unsigned long buf, int len, struct nx842_scatterlist *sl) { @@ -168,7 +177,7 @@ static int nx842_build_scatterlist(unsigned long buf, int len, entry = sl->entries; while (len) { - entry->ptr = __pa(buf); + entry->ptr = nx842_get_pa((void *)buf); nextpage = ALIGN(buf + 1, NX842_HW_PAGE_SIZE); if (nextpage < buf + len) { /* we aren't at the end yet */ @@ -370,8 +379,8 @@ int nx842_compress(const unsigned char *in, unsigned int inlen, op.flags = NX842_OP_COMPRESS; csbcpb = &workmem->csbcpb; memset(csbcpb, 0, sizeof(*csbcpb)); - op.csbcpb = __pa(csbcpb); - op.out = __pa(slout.entries); + op.csbcpb = nx842_get_pa(csbcpb); + op.out = nx842_get_pa(slout.entries); for (i = 0; i < hdr->blocks_nr; i++) { /* @@ -401,13 +410,13 @@ int nx842_compress(const unsigned char *in, unsigned int inlen, */ if (likely(max_sync_size == NX842_HW_PAGE_SIZE)) { /* Create direct DDE */ - op.in = __pa(inbuf); + op.in = nx842_get_pa((void *)inbuf); op.inlen = max_sync_size; } else { /* Create indirect DDE (scatterlist) */ nx842_build_scatterlist(inbuf, max_sync_size, &slin); - op.in = __pa(slin.entries); + op.in = nx842_get_pa(slin.entries); op.inlen = -nx842_get_scatterlist_size(&slin); } @@ -565,7 +574,7 @@ int nx842_decompress(const unsigned char *in, unsigned int inlen, op.flags = NX842_OP_DECOMPRESS; csbcpb = &workmem->csbcpb; memset(csbcpb, 0, sizeof(*csbcpb)); - op.csbcpb = __pa(csbcpb); + op.csbcpb = nx842_get_pa(csbcpb); /* * max_sync_size may have changed since compression, @@ -597,12 +606,12 @@ int nx842_decompress(const unsigned char *in, unsigned int inlen, if (likely((inbuf & NX842_HW_PAGE_MASK) == ((inbuf + hdr->sizes[i] - 1) & NX842_HW_PAGE_MASK))) { /* Create direct DDE */ - op.in = __pa(inbuf); + op.in = nx842_get_pa((void *)inbuf); op.inlen = hdr->sizes[i]; } else { /* Create indirect DDE (scatterlist) */ nx842_build_scatterlist(inbuf, hdr->sizes[i] , &slin); - op.in = __pa(slin.entries); + op.in = nx842_get_pa(slin.entries); op.inlen = -nx842_get_scatterlist_size(&slin); } @@ -613,12 +622,12 @@ int nx842_decompress(const unsigned char *in, unsigned int inlen, */ if (likely(max_sync_size == NX842_HW_PAGE_SIZE)) { /* Create direct DDE */ - op.out = __pa(outbuf); + op.out = nx842_get_pa((void *)outbuf); op.outlen = max_sync_size; } else { /* Create indirect DDE (scatterlist) */ nx842_build_scatterlist(outbuf, max_sync_size, &slout); - op.out = __pa(slout.entries); + op.out = nx842_get_pa(slout.entries); op.outlen = -nx842_get_scatterlist_size(&slout); } diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 9bed1a2a67a..605b016bcea 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -346,6 +346,7 @@ config MOXART_DMA tristate "MOXART DMA support" depends on ARCH_MOXART select DMA_ENGINE + select DMA_OF select DMA_VIRTUAL_CHANNELS help Enable support for the MOXA ART SoC DMA controller. diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c index 53fb0c8365b..766b68ed505 100644 --- a/drivers/dma/mv_xor.c +++ b/drivers/dma/mv_xor.c @@ -497,8 +497,8 @@ mv_xor_tx_submit(struct dma_async_tx_descriptor *tx) if (!mv_can_chain(grp_start)) goto submit_done; - dev_dbg(mv_chan_to_devp(mv_chan), "Append to last desc %x\n", - old_chain_tail->async_tx.phys); + dev_dbg(mv_chan_to_devp(mv_chan), "Append to last desc %pa\n", + &old_chain_tail->async_tx.phys); /* fix up the hardware chain */ mv_desc_set_next_desc(old_chain_tail, grp_start->async_tx.phys); @@ -527,7 +527,8 @@ submit_done: /* returns the number of allocated descriptors */ static int mv_xor_alloc_chan_resources(struct dma_chan *chan) { - char *hw_desc; + void *virt_desc; + dma_addr_t dma_desc; int idx; struct mv_xor_chan *mv_chan = to_mv_xor_chan(chan); struct mv_xor_desc_slot *slot = NULL; @@ -542,17 +543,16 @@ static int mv_xor_alloc_chan_resources(struct dma_chan *chan) " %d descriptor slots", idx); break; } - hw_desc = (char *) mv_chan->dma_desc_pool_virt; - slot->hw_desc = (void *) &hw_desc[idx * MV_XOR_SLOT_SIZE]; + virt_desc = mv_chan->dma_desc_pool_virt; + slot->hw_desc = virt_desc + idx * MV_XOR_SLOT_SIZE; dma_async_tx_descriptor_init(&slot->async_tx, chan); slot->async_tx.tx_submit = mv_xor_tx_submit; INIT_LIST_HEAD(&slot->chain_node); INIT_LIST_HEAD(&slot->slot_node); INIT_LIST_HEAD(&slot->tx_list); - hw_desc = (char *) mv_chan->dma_desc_pool; - slot->async_tx.phys = - (dma_addr_t) &hw_desc[idx * MV_XOR_SLOT_SIZE]; + dma_desc = mv_chan->dma_desc_pool; + slot->async_tx.phys = dma_desc + idx * MV_XOR_SLOT_SIZE; slot->idx = idx++; spin_lock_bh(&mv_chan->lock); @@ -582,8 +582,8 @@ mv_xor_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, int slot_cnt; dev_dbg(mv_chan_to_devp(mv_chan), - "%s dest: %x src %x len: %u flags: %ld\n", - __func__, dest, src, len, flags); + "%s dest: %pad src %pad len: %u flags: %ld\n", + __func__, &dest, &src, len, flags); if (unlikely(len < MV_XOR_MIN_BYTE_COUNT)) return NULL; @@ -626,8 +626,8 @@ mv_xor_prep_dma_xor(struct dma_chan *chan, dma_addr_t dest, dma_addr_t *src, BUG_ON(len > MV_XOR_MAX_BYTE_COUNT); dev_dbg(mv_chan_to_devp(mv_chan), - "%s src_cnt: %d len: dest %x %u flags: %ld\n", - __func__, src_cnt, len, dest, flags); + "%s src_cnt: %d len: %u dest %pad flags: %ld\n", + __func__, src_cnt, len, &dest, flags); spin_lock_bh(&mv_chan->lock); slot_cnt = mv_chan_xor_slot_count(len, src_cnt); diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index e8c9ef03495..33edd676634 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -559,7 +559,8 @@ static void edac_mc_workq_function(struct work_struct *work_req) * * called with the mem_ctls_mutex held */ -static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec) +static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec, + bool init) { edac_dbg(0, "\n"); @@ -567,7 +568,9 @@ static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec) if (mci->op_state != OP_RUNNING_POLL) return; - INIT_DELAYED_WORK(&mci->work, edac_mc_workq_function); + if (init) + INIT_DELAYED_WORK(&mci->work, edac_mc_workq_function); + mod_delayed_work(edac_workqueue, &mci->work, msecs_to_jiffies(msec)); } @@ -601,7 +604,7 @@ static void edac_mc_workq_teardown(struct mem_ctl_info *mci) * user space has updated our poll period value, need to * reset our workq delays */ -void edac_mc_reset_delay_period(int value) +void edac_mc_reset_delay_period(unsigned long value) { struct mem_ctl_info *mci; struct list_head *item; @@ -611,7 +614,7 @@ void edac_mc_reset_delay_period(int value) list_for_each(item, &mc_devices) { mci = list_entry(item, struct mem_ctl_info, link); - edac_mc_workq_setup(mci, (unsigned long) value); + edac_mc_workq_setup(mci, value, false); } mutex_unlock(&mem_ctls_mutex); @@ -782,7 +785,7 @@ int edac_mc_add_mc(struct mem_ctl_info *mci) /* This instance is NOW RUNNING */ mci->op_state = OP_RUNNING_POLL; - edac_mc_workq_setup(mci, edac_mc_get_poll_msec()); + edac_mc_workq_setup(mci, edac_mc_get_poll_msec(), true); } else { mci->op_state = OP_RUNNING_INTERRUPT; } diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 51c0362acf5..b335c6ab5ef 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -52,18 +52,20 @@ int edac_mc_get_poll_msec(void) static int edac_set_poll_msec(const char *val, struct kernel_param *kp) { - long l; + unsigned long l; int ret; if (!val) return -EINVAL; - ret = kstrtol(val, 0, &l); + ret = kstrtoul(val, 0, &l); if (ret) return ret; - if ((int)l != l) + + if (l < 1000) return -EINVAL; - *((int *)kp->arg) = l; + + *((unsigned long *)kp->arg) = l; /* notify edac_mc engine to reset the poll period */ edac_mc_reset_delay_period(l); diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h index 3d139c6e7fe..f2118bfcf8d 100644 --- a/drivers/edac/edac_module.h +++ b/drivers/edac/edac_module.h @@ -52,7 +52,7 @@ extern void edac_device_workq_setup(struct edac_device_ctl_info *edac_dev, extern void edac_device_workq_teardown(struct edac_device_ctl_info *edac_dev); extern void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev, unsigned long value); -extern void edac_mc_reset_delay_period(int value); +extern void edac_mc_reset_delay_period(unsigned long value); extern void *edac_align_ptr(void **p, unsigned size, int n_elems); diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 697338772b6..903f24d28ba 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -403,6 +403,7 @@ config GPIO_GRGPIO config GPIO_TB10X bool + select GENERIC_IRQ_CHIP select OF_GPIO comment "I2C GPIO expanders:" diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index 233d088ac59..f32357e2d78 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012-2013 Broadcom Corporation + * Copyright (C) 2012-2014 Broadcom Corporation * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -657,6 +657,6 @@ static struct platform_driver bcm_kona_gpio_driver = { module_platform_driver(bcm_kona_gpio_driver); -MODULE_AUTHOR("Broadcom"); +MODULE_AUTHOR("Broadcom Corporation <bcm-kernel-feedback-list@broadcom.com>"); MODULE_DESCRIPTION("Broadcom Kona GPIO Driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpio/gpio-clps711x.c b/drivers/gpio/gpio-clps711x.c index d3550274b8f..3c2ba2ad0ad 100644 --- a/drivers/gpio/gpio-clps711x.c +++ b/drivers/gpio/gpio-clps711x.c @@ -97,3 +97,4 @@ module_platform_driver(clps711x_gpio_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Alexander Shiyan <shc_work@mail.ru>"); MODULE_DESCRIPTION("CLPS711X GPIO driver"); +MODULE_ALIAS("platform:clps711x-gpio"); diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c index d1b50ef5fab..e585163f1ad 100644 --- a/drivers/gpio/gpio-intel-mid.c +++ b/drivers/gpio/gpio-intel-mid.c @@ -394,8 +394,8 @@ static const struct irq_domain_ops intel_gpio_irq_ops = { static int intel_gpio_runtime_idle(struct device *dev) { - pm_schedule_suspend(dev, 500); - return -EBUSY; + int err = pm_schedule_suspend(dev, 500); + return err ?: -EBUSY; } static const struct dev_pm_ops intel_gpio_pm_ops = { diff --git a/drivers/gpio/gpio-xtensa.c b/drivers/gpio/gpio-xtensa.c index 1d136eceda6..7081304d679 100644 --- a/drivers/gpio/gpio-xtensa.c +++ b/drivers/gpio/gpio-xtensa.c @@ -40,6 +40,8 @@ #error GPIO32 option is not enabled for your xtensa core variant #endif +#if XCHAL_HAVE_CP + static inline unsigned long enable_cp(unsigned long *cpenable) { unsigned long flags; @@ -57,6 +59,20 @@ static inline void disable_cp(unsigned long flags, unsigned long cpenable) local_irq_restore(flags); } +#else + +static inline unsigned long enable_cp(unsigned long *cpenable) +{ + *cpenable = 0; /* avoid uninitialized value warning */ + return 0; +} + +static inline void disable_cp(unsigned long flags, unsigned long cpenable) +{ +} + +#endif /* XCHAL_HAVE_CP */ + static int xtensa_impwire_get_direction(struct gpio_chip *gc, unsigned offset) { return 1; /* input only */ diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index dffc836144c..f4dc9b7a383 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -296,6 +296,18 @@ int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_priv) case DRM_CAP_ASYNC_PAGE_FLIP: req->value = dev->mode_config.async_page_flip; break; + case DRM_CAP_CURSOR_WIDTH: + if (dev->mode_config.cursor_width) + req->value = dev->mode_config.cursor_width; + else + req->value = 64; + break; + case DRM_CAP_CURSOR_HEIGHT: + if (dev->mode_config.cursor_height) + req->value = dev->mode_config.cursor_height; + else + req->value = 64; + break; default: return -EINVAL; } diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index f227f544aa3..6e1a1a20cf6 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -51,7 +51,7 @@ config DRM_EXYNOS_G2D config DRM_EXYNOS_IPP bool "Exynos DRM IPP" - depends on DRM_EXYNOS && !ARCH_MULTIPLATFORM + depends on DRM_EXYNOS help Choose this option if you want to use IPP feature for DRM. @@ -69,6 +69,6 @@ config DRM_EXYNOS_ROTATOR config DRM_EXYNOS_GSC bool "Exynos DRM GSC" - depends on DRM_EXYNOS_IPP && ARCH_EXYNOS5 + depends on DRM_EXYNOS_IPP && ARCH_EXYNOS5 && !ARCH_MULTIPLATFORM help Choose this option if you want to use Exynos GSC for DRM. diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 9d096a0c5f8..215131ab1dd 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -171,22 +171,24 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) file->driver_priv = file_priv; ret = exynos_drm_subdrv_open(dev, file); - if (ret) { - kfree(file_priv); - file->driver_priv = NULL; - } + if (ret) + goto out; anon_filp = anon_inode_getfile("exynos_gem", &exynos_drm_gem_fops, NULL, 0); if (IS_ERR(anon_filp)) { - kfree(file_priv); - return PTR_ERR(anon_filp); + ret = PTR_ERR(anon_filp); + goto out; } anon_filp->f_mode = FMODE_READ | FMODE_WRITE; file_priv->anon_filp = anon_filp; return ret; +out: + kfree(file_priv); + file->driver_priv = NULL; + return ret; } static void exynos_drm_preclose(struct drm_device *dev, diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 380aec28840..6c1885eedfd 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -607,7 +607,7 @@ static enum g2d_reg_type g2d_get_reg_type(int reg_offset) reg_type = REG_TYPE_NONE; DRM_ERROR("Unknown register offset![%d]\n", reg_offset); break; - }; + } return reg_type; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index d519a4e5fe4..09312b87747 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -16,7 +16,6 @@ #include <linux/types.h> #include <linux/clk.h> #include <linux/pm_runtime.h> -#include <plat/map-base.h> #include <drm/drmP.h> #include <drm/exynos_drm.h> @@ -826,7 +825,7 @@ static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, DRM_DEBUG_KMS("count[%d]e[0x%x]\n", count++, (int)e); /* - * quf == NULL condition means all event deletion. + * qbuf == NULL condition means all event deletion. * stop operations want to delete all event list. * another case delete only same buf id. */ diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index a0e10aeb0e6..c021ddc1ffb 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -34,6 +34,7 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_gpio.h> +#include <linux/hdmi.h> #include <drm/exynos_drm.h> @@ -59,19 +60,6 @@ #define HDMI_AUI_VERSION 0x01 #define HDMI_AUI_LENGTH 0x0A -/* HDMI infoframe to configure HDMI out packet header, AUI and AVI */ -enum HDMI_PACKET_TYPE { - /* refer to Table 5-8 Packet Type in HDMI specification v1.4a */ - /* InfoFrame packet type */ - HDMI_PACKET_TYPE_INFOFRAME = 0x80, - /* Vendor-Specific InfoFrame */ - HDMI_PACKET_TYPE_VSI = HDMI_PACKET_TYPE_INFOFRAME + 1, - /* Auxiliary Video information InfoFrame */ - HDMI_PACKET_TYPE_AVI = HDMI_PACKET_TYPE_INFOFRAME + 2, - /* Audio information InfoFrame */ - HDMI_PACKET_TYPE_AUI = HDMI_PACKET_TYPE_INFOFRAME + 4 -}; - enum hdmi_type { HDMI_TYPE13, HDMI_TYPE14, @@ -379,12 +367,6 @@ static const struct hdmiphy_config hdmiphy_v14_configs[] = { }, }; -struct hdmi_infoframe { - enum HDMI_PACKET_TYPE type; - u8 ver; - u8 len; -}; - static inline u32 hdmi_reg_read(struct hdmi_context *hdata, u32 reg_id) { return readl(hdata->regs + reg_id); @@ -682,7 +664,7 @@ static u8 hdmi_chksum(struct hdmi_context *hdata, } static void hdmi_reg_infoframe(struct hdmi_context *hdata, - struct hdmi_infoframe *infoframe) + union hdmi_infoframe *infoframe) { u32 hdr_sum; u8 chksum; @@ -700,13 +682,15 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata, return; } - switch (infoframe->type) { - case HDMI_PACKET_TYPE_AVI: + switch (infoframe->any.type) { + case HDMI_INFOFRAME_TYPE_AVI: hdmi_reg_writeb(hdata, HDMI_AVI_CON, HDMI_AVI_CON_EVERY_VSYNC); - hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->type); - hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1, infoframe->ver); - hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->len); - hdr_sum = infoframe->type + infoframe->ver + infoframe->len; + hdmi_reg_writeb(hdata, HDMI_AVI_HEADER0, infoframe->any.type); + hdmi_reg_writeb(hdata, HDMI_AVI_HEADER1, + infoframe->any.version); + hdmi_reg_writeb(hdata, HDMI_AVI_HEADER2, infoframe->any.length); + hdr_sum = infoframe->any.type + infoframe->any.version + + infoframe->any.length; /* Output format zero hardcoded ,RGB YBCR selection */ hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(1), 0 << 5 | @@ -722,18 +706,20 @@ static void hdmi_reg_infoframe(struct hdmi_context *hdata, hdmi_reg_writeb(hdata, HDMI_AVI_BYTE(4), vic); chksum = hdmi_chksum(hdata, HDMI_AVI_BYTE(1), - infoframe->len, hdr_sum); + infoframe->any.length, hdr_sum); DRM_DEBUG_KMS("AVI checksum = 0x%x\n", chksum); hdmi_reg_writeb(hdata, HDMI_AVI_CHECK_SUM, chksum); break; - case HDMI_PACKET_TYPE_AUI: + case HDMI_INFOFRAME_TYPE_AUDIO: hdmi_reg_writeb(hdata, HDMI_AUI_CON, 0x02); - hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->type); - hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1, infoframe->ver); - hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->len); - hdr_sum = infoframe->type + infoframe->ver + infoframe->len; + hdmi_reg_writeb(hdata, HDMI_AUI_HEADER0, infoframe->any.type); + hdmi_reg_writeb(hdata, HDMI_AUI_HEADER1, + infoframe->any.version); + hdmi_reg_writeb(hdata, HDMI_AUI_HEADER2, infoframe->any.length); + hdr_sum = infoframe->any.type + infoframe->any.version + + infoframe->any.length; chksum = hdmi_chksum(hdata, HDMI_AUI_BYTE(1), - infoframe->len, hdr_sum); + infoframe->any.length, hdr_sum); DRM_DEBUG_KMS("AUI checksum = 0x%x\n", chksum); hdmi_reg_writeb(hdata, HDMI_AUI_CHECK_SUM, chksum); break; @@ -985,7 +971,7 @@ static void hdmi_conf_reset(struct hdmi_context *hdata) static void hdmi_conf_init(struct hdmi_context *hdata) { - struct hdmi_infoframe infoframe; + union hdmi_infoframe infoframe; /* disable HPD interrupts from HDMI IP block, use GPIO instead */ hdmi_reg_writemask(hdata, HDMI_INTC_CON, 0, HDMI_INTC_EN_GLOBAL | @@ -1021,14 +1007,14 @@ static void hdmi_conf_init(struct hdmi_context *hdata) hdmi_reg_writeb(hdata, HDMI_V13_AUI_CON, 0x02); hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 0x04); } else { - infoframe.type = HDMI_PACKET_TYPE_AVI; - infoframe.ver = HDMI_AVI_VERSION; - infoframe.len = HDMI_AVI_LENGTH; + infoframe.any.type = HDMI_INFOFRAME_TYPE_AVI; + infoframe.any.version = HDMI_AVI_VERSION; + infoframe.any.length = HDMI_AVI_LENGTH; hdmi_reg_infoframe(hdata, &infoframe); - infoframe.type = HDMI_PACKET_TYPE_AUI; - infoframe.ver = HDMI_AUI_VERSION; - infoframe.len = HDMI_AUI_LENGTH; + infoframe.any.type = HDMI_INFOFRAME_TYPE_AUDIO; + infoframe.any.version = HDMI_AUI_VERSION; + infoframe.any.length = HDMI_AUI_LENGTH; hdmi_reg_infoframe(hdata, &infoframe); /* enable AVI packet every vsync, fixes purple line problem */ diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 400b0c4a10f..faa77f543a0 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -208,7 +208,7 @@ struct tda998x_priv { # define PLL_SERIAL_1_SRL_IZ(x) (((x) & 3) << 1) # define PLL_SERIAL_1_SRL_MAN_IZ (1 << 6) #define REG_PLL_SERIAL_2 REG(0x02, 0x01) /* read/write */ -# define PLL_SERIAL_2_SRL_NOSC(x) (((x) & 3) << 0) +# define PLL_SERIAL_2_SRL_NOSC(x) ((x) << 0) # define PLL_SERIAL_2_SRL_PR(x) (((x) & 0xf) << 4) #define REG_PLL_SERIAL_3 REG(0x02, 0x02) /* read/write */ # define PLL_SERIAL_3_SRL_CCIR (1 << 0) @@ -528,10 +528,10 @@ tda998x_write_aif(struct drm_encoder *encoder, struct tda998x_encoder_params *p) { uint8_t buf[PB(5) + 1]; + memset(buf, 0, sizeof(buf)); buf[HB(0)] = 0x84; buf[HB(1)] = 0x01; buf[HB(2)] = 10; - buf[PB(0)] = 0; buf[PB(1)] = p->audio_frame[1] & 0x07; /* CC */ buf[PB(2)] = p->audio_frame[2] & 0x1c; /* SF */ buf[PB(4)] = p->audio_frame[4]; @@ -824,6 +824,11 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder, } div = 148500 / mode->clock; + if (div != 0) { + div--; + if (div > 3) + div = 3; + } /* mute the audio FIFO: */ reg_set(encoder, REG_AIP_CNTRL_0, AIP_CNTRL_0_RST_FIFO); @@ -913,7 +918,7 @@ tda998x_encoder_mode_set(struct drm_encoder *encoder, if (priv->rev == TDA19988) { /* let incoming pixels fill the active space (if any) */ - reg_write(encoder, REG_ENABLE_SPACE, 0x01); + reg_write(encoder, REG_ENABLE_SPACE, 0x00); } /* must be last register set: */ @@ -1094,6 +1099,8 @@ tda998x_encoder_destroy(struct drm_encoder *encoder) { struct tda998x_priv *priv = to_tda998x_priv(encoder); drm_i2c_encoder_destroy(encoder); + if (priv->cec) + i2c_unregister_device(priv->cec); kfree(priv); } @@ -1142,8 +1149,12 @@ tda998x_encoder_init(struct i2c_client *client, priv->vip_cntrl_1 = VIP_CNTRL_1_SWAP_C(0) | VIP_CNTRL_1_SWAP_D(1); priv->vip_cntrl_2 = VIP_CNTRL_2_SWAP_E(4) | VIP_CNTRL_2_SWAP_F(5); - priv->current_page = 0; + priv->current_page = 0xff; priv->cec = i2c_new_dummy(client->adapter, 0x34); + if (!priv->cec) { + kfree(priv); + return -ENODEV; + } priv->dpms = DRM_MODE_DPMS_OFF; encoder_slave->slave_priv = priv; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 4a2bf8e3f73..df77e20e3c3 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1831,6 +1831,14 @@ struct drm_i915_file_private { /* Early gen2 have a totally busted CS tlb and require pinned batches. */ #define HAS_BROKEN_CS_TLB(dev) (IS_I830(dev) || IS_845G(dev)) +/* + * dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts + * even when in MSI mode. This results in spurious interrupt warnings if the + * legacy irq no. is shared with another device. The kernel then disables that + * interrupt source and so prevents the other device from working properly. + */ +#define HAS_AUX_IRQ(dev) (INTEL_INFO(dev)->gen >= 5) +#define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->gen >= 5) /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte * rows, which changed the alignment requirements and fence programming. diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index d7fd2fd2f0a..990cf8f43ef 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -146,7 +146,10 @@ static void i915_error_vprintf(struct drm_i915_error_state_buf *e, va_list tmp; va_copy(tmp, args); - if (!__i915_error_seek(e, vsnprintf(NULL, 0, f, tmp))) + len = vsnprintf(NULL, 0, f, tmp); + va_end(tmp); + + if (!__i915_error_seek(e, len)) return; } diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 17d8fcb1b6f..9fec7117557 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -567,8 +567,7 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, int pipe) vbl_start = mode->crtc_vblank_start * mode->crtc_htotal; } else { - enum transcoder cpu_transcoder = - intel_pipe_to_cpu_transcoder(dev_priv, pipe); + enum transcoder cpu_transcoder = (enum transcoder) pipe; u32 htotal; htotal = ((I915_READ(HTOTAL(cpu_transcoder)) >> 16) & 0x1fff) + 1; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 9fa24347963..4c167280949 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8586,6 +8586,20 @@ static int intel_gen7_queue_flip(struct drm_device *dev, if (ring->id == RCS) len += 6; + /* + * BSpec MI_DISPLAY_FLIP for IVB: + * "The full packet must be contained within the same cache line." + * + * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same + * cacheline, if we ever start emitting more commands before + * the MI_DISPLAY_FLIP we may need to first emit everything else, + * then do the cacheline alignment, and finally emit the + * MI_DISPLAY_FLIP. + */ + ret = intel_ring_cacheline_align(ring); + if (ret) + goto err_unpin; + ret = intel_ring_begin(ring, len); if (ret) goto err_unpin; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 5ede4e8e290..57552eb386b 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -404,7 +404,7 @@ intel_dp_aux_ch(struct intel_dp *intel_dp, int i, ret, recv_bytes; uint32_t status; int try, precharge, clock = 0; - bool has_aux_irq = true; + bool has_aux_irq = HAS_AUX_IRQ(dev); uint32_t timeout; /* dp aux is extremely sensitive to irq latency, hence request the @@ -537,6 +537,7 @@ intel_dp_aux_native_write(struct intel_dp *intel_dp, uint8_t msg[20]; int msg_bytes; uint8_t ack; + int retry; if (WARN_ON(send_bytes > 16)) return -E2BIG; @@ -548,19 +549,21 @@ intel_dp_aux_native_write(struct intel_dp *intel_dp, msg[3] = send_bytes - 1; memcpy(&msg[4], send, send_bytes); msg_bytes = send_bytes + 4; - for (;;) { + for (retry = 0; retry < 7; retry++) { ret = intel_dp_aux_ch(intel_dp, msg, msg_bytes, &ack, 1); if (ret < 0) return ret; ack >>= 4; if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_ACK) - break; + return send_bytes; else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER) - udelay(100); + usleep_range(400, 500); else return -EIO; } - return send_bytes; + + DRM_ERROR("too many retries, giving up\n"); + return -EIO; } /* Write a single byte to the aux channel in native mode */ @@ -582,6 +585,7 @@ intel_dp_aux_native_read(struct intel_dp *intel_dp, int reply_bytes; uint8_t ack; int ret; + int retry; if (WARN_ON(recv_bytes > 19)) return -E2BIG; @@ -595,7 +599,7 @@ intel_dp_aux_native_read(struct intel_dp *intel_dp, msg_bytes = 4; reply_bytes = recv_bytes + 1; - for (;;) { + for (retry = 0; retry < 7; retry++) { ret = intel_dp_aux_ch(intel_dp, msg, msg_bytes, reply, reply_bytes); if (ret == 0) @@ -608,10 +612,13 @@ intel_dp_aux_native_read(struct intel_dp *intel_dp, return ret - 1; } else if ((ack & DP_AUX_NATIVE_REPLY_MASK) == DP_AUX_NATIVE_REPLY_DEFER) - udelay(100); + usleep_range(400, 500); else return -EIO; } + + DRM_ERROR("too many retries, giving up\n"); + return -EIO; } static int @@ -1869,10 +1876,12 @@ static void vlv_pre_enable_dp(struct intel_encoder *encoder) mutex_unlock(&dev_priv->dpio_lock); - /* init power sequencer on this pipe and port */ - intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq); - intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, - &power_seq); + if (is_edp(intel_dp)) { + /* init power sequencer on this pipe and port */ + intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq); + intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, + &power_seq); + } intel_enable_dp(encoder); diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index b1dc33f4789..d33b61d0dd3 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -258,13 +258,6 @@ intel_gpio_setup(struct intel_gmbus *bus, u32 pin) algo->data = bus; } -/* - * gmbus on gen4 seems to be able to generate legacy interrupts even when in MSI - * mode. This results in spurious interrupt warnings if the legacy irq no. is - * shared with another device. The kernel then disables that interrupt source - * and so prevents the other device from working properly. - */ -#define HAS_GMBUS_IRQ(dev) (INTEL_INFO(dev)->gen >= 5) static int gmbus_wait_hw_status(struct drm_i915_private *dev_priv, u32 gmbus2_status, diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 4e960ec7419..acde2945eb8 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -226,6 +226,8 @@ struct opregion_asle { #define ACPI_DIGITAL_OUTPUT (3<<8) #define ACPI_LVDS_OUTPUT (4<<8) +#define MAX_DSLP 1500 + #ifdef CONFIG_ACPI static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out) { @@ -260,10 +262,11 @@ static int swsci(struct drm_device *dev, u32 function, u32 parm, u32 *parm_out) /* The spec says 2ms should be the default, but it's too small * for some machines. */ dslp = 50; - } else if (dslp > 500) { + } else if (dslp > MAX_DSLP) { /* Hey bios, trust must be earned. */ - WARN_ONCE(1, "excessive driver sleep timeout (DSPL) %u\n", dslp); - dslp = 500; + DRM_INFO_ONCE("ACPI BIOS requests an excessive sleep of %u ms, " + "using %u ms instead\n", dslp, MAX_DSLP); + dslp = MAX_DSLP; } /* The spec tells us to do this, but we are the only user... */ diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index b7f1742caf8..31b36c5ac89 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -1653,6 +1653,27 @@ int intel_ring_begin(struct intel_ring_buffer *ring, return 0; } +/* Align the ring tail to a cacheline boundary */ +int intel_ring_cacheline_align(struct intel_ring_buffer *ring) +{ + int num_dwords = (64 - (ring->tail & 63)) / sizeof(uint32_t); + int ret; + + if (num_dwords == 0) + return 0; + + ret = intel_ring_begin(ring, num_dwords); + if (ret) + return ret; + + while (num_dwords--) + intel_ring_emit(ring, MI_NOOP); + + intel_ring_advance(ring); + + return 0; +} + void intel_ring_init_seqno(struct intel_ring_buffer *ring, u32 seqno) { struct drm_i915_private *dev_priv = ring->dev->dev_private; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 71a73f4fe25..0b243ce3371 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -233,6 +233,7 @@ intel_write_status_page(struct intel_ring_buffer *ring, void intel_cleanup_ring_buffer(struct intel_ring_buffer *ring); int __must_check intel_ring_begin(struct intel_ring_buffer *ring, int n); +int __must_check intel_ring_cacheline_align(struct intel_ring_buffer *ring); static inline void intel_ring_emit(struct intel_ring_buffer *ring, u32 data) { diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c index 1964f4f0d45..84c5b13b33c 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c @@ -39,6 +39,7 @@ struct mdp4_crtc { spinlock_t lock; bool stale; uint32_t width, height; + uint32_t x, y; /* next cursor to scan-out: */ uint32_t next_iova; @@ -57,9 +58,16 @@ struct mdp4_crtc { #define PENDING_FLIP 0x2 atomic_t pending; - /* the fb that we currently hold a scanout ref to: */ + /* the fb that we logically (from PoV of KMS API) hold a ref + * to. Which we may not yet be scanning out (we may still + * be scanning out previous in case of page_flip while waiting + * for gpu rendering to complete: + */ struct drm_framebuffer *fb; + /* the fb that we currently hold a scanout ref to: */ + struct drm_framebuffer *scanout_fb; + /* for unref'ing framebuffers after scanout completes: */ struct drm_flip_work unref_fb_work; @@ -77,24 +85,73 @@ static struct mdp4_kms *get_kms(struct drm_crtc *crtc) return to_mdp4_kms(to_mdp_kms(priv->kms)); } -static void update_fb(struct drm_crtc *crtc, bool async, - struct drm_framebuffer *new_fb) +static void request_pending(struct drm_crtc *crtc, uint32_t pending) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct drm_framebuffer *old_fb = mdp4_crtc->fb; - if (old_fb) - drm_flip_work_queue(&mdp4_crtc->unref_fb_work, old_fb); + atomic_or(pending, &mdp4_crtc->pending); + mdp_irq_register(&get_kms(crtc)->base, &mdp4_crtc->vblank); +} + +static void crtc_flush(struct drm_crtc *crtc) +{ + struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); + struct mdp4_kms *mdp4_kms = get_kms(crtc); + uint32_t i, flush = 0; + + for (i = 0; i < ARRAY_SIZE(mdp4_crtc->planes); i++) { + struct drm_plane *plane = mdp4_crtc->planes[i]; + if (plane) { + enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); + flush |= pipe2flush(pipe_id); + } + } + flush |= ovlp2flush(mdp4_crtc->ovlp); + + DBG("%s: flush=%08x", mdp4_crtc->name, flush); + + mdp4_write(mdp4_kms, REG_MDP4_OVERLAY_FLUSH, flush); +} + +static void update_fb(struct drm_crtc *crtc, struct drm_framebuffer *new_fb) +{ + struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); + struct drm_framebuffer *old_fb = mdp4_crtc->fb; /* grab reference to incoming scanout fb: */ drm_framebuffer_reference(new_fb); mdp4_crtc->base.fb = new_fb; mdp4_crtc->fb = new_fb; - if (!async) { - /* enable vblank to pick up the old_fb */ - mdp_irq_register(&get_kms(crtc)->base, &mdp4_crtc->vblank); - } + if (old_fb) + drm_flip_work_queue(&mdp4_crtc->unref_fb_work, old_fb); +} + +/* unlike update_fb(), take a ref to the new scanout fb *before* updating + * plane, then call this. Needed to ensure we don't unref the buffer that + * is actually still being scanned out. + * + * Note that this whole thing goes away with atomic.. since we can defer + * calling into driver until rendering is done. + */ +static void update_scanout(struct drm_crtc *crtc, struct drm_framebuffer *fb) +{ + struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); + + /* flush updates, to make sure hw is updated to new scanout fb, + * so that we can safely queue unref to current fb (ie. next + * vblank we know hw is done w/ previous scanout_fb). + */ + crtc_flush(crtc); + + if (mdp4_crtc->scanout_fb) + drm_flip_work_queue(&mdp4_crtc->unref_fb_work, + mdp4_crtc->scanout_fb); + + mdp4_crtc->scanout_fb = fb; + + /* enable vblank to complete flip: */ + request_pending(crtc, PENDING_FLIP); } /* if file!=NULL, this is preclose potential cancel-flip path */ @@ -120,34 +177,6 @@ static void complete_flip(struct drm_crtc *crtc, struct drm_file *file) spin_unlock_irqrestore(&dev->event_lock, flags); } -static void crtc_flush(struct drm_crtc *crtc) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - uint32_t i, flush = 0; - - for (i = 0; i < ARRAY_SIZE(mdp4_crtc->planes); i++) { - struct drm_plane *plane = mdp4_crtc->planes[i]; - if (plane) { - enum mdp4_pipe pipe_id = mdp4_plane_pipe(plane); - flush |= pipe2flush(pipe_id); - } - } - flush |= ovlp2flush(mdp4_crtc->ovlp); - - DBG("%s: flush=%08x", mdp4_crtc->name, flush); - - mdp4_write(mdp4_kms, REG_MDP4_OVERLAY_FLUSH, flush); -} - -static void request_pending(struct drm_crtc *crtc, uint32_t pending) -{ - struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - - atomic_or(pending, &mdp4_crtc->pending); - mdp_irq_register(&get_kms(crtc)->base, &mdp4_crtc->vblank); -} - static void pageflip_cb(struct msm_fence_cb *cb) { struct mdp4_crtc *mdp4_crtc = @@ -158,11 +187,9 @@ static void pageflip_cb(struct msm_fence_cb *cb) if (!fb) return; + drm_framebuffer_reference(fb); mdp4_plane_set_scanout(mdp4_crtc->plane, fb); - crtc_flush(crtc); - - /* enable vblank to complete flip: */ - request_pending(crtc, PENDING_FLIP); + update_scanout(crtc, fb); } static void unref_fb_worker(struct drm_flip_work *work, void *val) @@ -320,6 +347,20 @@ static int mdp4_crtc_mode_set(struct drm_crtc *crtc, mode->vsync_end, mode->vtotal, mode->type, mode->flags); + /* grab extra ref for update_scanout() */ + drm_framebuffer_reference(crtc->fb); + + ret = mdp4_plane_mode_set(mdp4_crtc->plane, crtc, crtc->fb, + 0, 0, mode->hdisplay, mode->vdisplay, + x << 16, y << 16, + mode->hdisplay << 16, mode->vdisplay << 16); + if (ret) { + drm_framebuffer_unreference(crtc->fb); + dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n", + mdp4_crtc->name, ret); + return ret; + } + mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_SIZE(dma), MDP4_DMA_SRC_SIZE_WIDTH(mode->hdisplay) | MDP4_DMA_SRC_SIZE_HEIGHT(mode->vdisplay)); @@ -341,24 +382,15 @@ static int mdp4_crtc_mode_set(struct drm_crtc *crtc, mdp4_write(mdp4_kms, REG_MDP4_OVLP_CFG(ovlp), 1); - update_fb(crtc, false, crtc->fb); - - ret = mdp4_plane_mode_set(mdp4_crtc->plane, crtc, crtc->fb, - 0, 0, mode->hdisplay, mode->vdisplay, - x << 16, y << 16, - mode->hdisplay << 16, mode->vdisplay << 16); - if (ret) { - dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n", - mdp4_crtc->name, ret); - return ret; - } - if (dma == DMA_E) { mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(0), 0x00ff0000); mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(1), 0x00ff0000); mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(2), 0x00ff0000); } + update_fb(crtc, crtc->fb); + update_scanout(crtc, crtc->fb); + return 0; } @@ -385,13 +417,24 @@ static int mdp4_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); struct drm_plane *plane = mdp4_crtc->plane; struct drm_display_mode *mode = &crtc->mode; + int ret; - update_fb(crtc, false, crtc->fb); + /* grab extra ref for update_scanout() */ + drm_framebuffer_reference(crtc->fb); - return mdp4_plane_mode_set(plane, crtc, crtc->fb, + ret = mdp4_plane_mode_set(plane, crtc, crtc->fb, 0, 0, mode->hdisplay, mode->vdisplay, x << 16, y << 16, mode->hdisplay << 16, mode->vdisplay << 16); + if (ret) { + drm_framebuffer_unreference(crtc->fb); + return ret; + } + + update_fb(crtc, crtc->fb); + update_scanout(crtc, crtc->fb); + + return 0; } static void mdp4_crtc_load_lut(struct drm_crtc *crtc) @@ -419,7 +462,7 @@ static int mdp4_crtc_page_flip(struct drm_crtc *crtc, mdp4_crtc->event = event; spin_unlock_irqrestore(&dev->event_lock, flags); - update_fb(crtc, true, new_fb); + update_fb(crtc, new_fb); return msm_gem_queue_inactive_cb(obj, &mdp4_crtc->pageflip_cb); } @@ -442,12 +485,12 @@ static int mdp4_crtc_set_property(struct drm_crtc *crtc, static void update_cursor(struct drm_crtc *crtc) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); + struct mdp4_kms *mdp4_kms = get_kms(crtc); enum mdp4_dma dma = mdp4_crtc->dma; unsigned long flags; spin_lock_irqsave(&mdp4_crtc->cursor.lock, flags); if (mdp4_crtc->cursor.stale) { - struct mdp4_kms *mdp4_kms = get_kms(crtc); struct drm_gem_object *next_bo = mdp4_crtc->cursor.next_bo; struct drm_gem_object *prev_bo = mdp4_crtc->cursor.scanout_bo; uint32_t iova = mdp4_crtc->cursor.next_iova; @@ -479,6 +522,11 @@ static void update_cursor(struct drm_crtc *crtc) mdp4_crtc->cursor.scanout_bo = next_bo; mdp4_crtc->cursor.stale = false; } + + mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_POS(dma), + MDP4_DMA_CURSOR_POS_X(mdp4_crtc->cursor.x) | + MDP4_DMA_CURSOR_POS_Y(mdp4_crtc->cursor.y)); + spin_unlock_irqrestore(&mdp4_crtc->cursor.lock, flags); } @@ -530,6 +578,7 @@ static int mdp4_crtc_cursor_set(struct drm_crtc *crtc, drm_gem_object_unreference_unlocked(old_bo); } + crtc_flush(crtc); request_pending(crtc, PENDING_CURSOR); return 0; @@ -542,12 +591,15 @@ fail: static int mdp4_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) { struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc); - struct mdp4_kms *mdp4_kms = get_kms(crtc); - enum mdp4_dma dma = mdp4_crtc->dma; + unsigned long flags; - mdp4_write(mdp4_kms, REG_MDP4_DMA_CURSOR_POS(dma), - MDP4_DMA_CURSOR_POS_X(x) | - MDP4_DMA_CURSOR_POS_Y(y)); + spin_lock_irqsave(&mdp4_crtc->cursor.lock, flags); + mdp4_crtc->cursor.x = x; + mdp4_crtc->cursor.y = y; + spin_unlock_irqrestore(&mdp4_crtc->cursor.lock, flags); + + crtc_flush(crtc); + request_pending(crtc, PENDING_CURSOR); return 0; } @@ -713,6 +765,7 @@ struct drm_crtc *mdp4_crtc_init(struct drm_device *dev, crtc = &mdp4_crtc->base; mdp4_crtc->plane = plane; + mdp4_crtc->id = id; mdp4_crtc->ovlp = ovlp_id; mdp4_crtc->dma = dma_id; diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c index 2406027200e..1e893dd1385 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_plane.c @@ -170,8 +170,8 @@ int mdp4_plane_mode_set(struct drm_plane *plane, MDP4_PIPE_DST_SIZE_HEIGHT(crtc_h)); mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_XY(pipe), - MDP4_PIPE_SRC_XY_X(crtc_x) | - MDP4_PIPE_SRC_XY_Y(crtc_y)); + MDP4_PIPE_DST_XY_X(crtc_x) | + MDP4_PIPE_DST_XY_Y(crtc_y)); mdp4_plane_set_scanout(plane, fb); diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index 71a3b2345eb..f2794021f08 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -296,6 +296,7 @@ static int mdp5_crtc_mode_set(struct drm_crtc *crtc, x << 16, y << 16, mode->hdisplay << 16, mode->vdisplay << 16); if (ret) { + drm_framebuffer_unreference(crtc->fb); dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n", mdp5_crtc->name, ret); return ret; @@ -343,11 +344,15 @@ static int mdp5_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y, 0, 0, mode->hdisplay, mode->vdisplay, x << 16, y << 16, mode->hdisplay << 16, mode->vdisplay << 16); + if (ret) { + drm_framebuffer_unreference(crtc->fb); + return ret; + } update_fb(crtc, crtc->fb); update_scanout(crtc, crtc->fb); - return ret; + return 0; } static void mdp5_crtc_load_lut(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index d8d60c969ac..3da8264d303 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -644,7 +644,7 @@ struct drm_gem_object *msm_gem_new(struct drm_device *dev, fail: if (obj) - drm_gem_object_unreference_unlocked(obj); + drm_gem_object_unreference(obj); return ERR_PTR(ret); } diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 5281d4bc37f..5423e914e49 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -163,7 +163,7 @@ retry: /* if locking succeeded, pin bo: */ - ret = msm_gem_get_iova(&msm_obj->base, + ret = msm_gem_get_iova_locked(&msm_obj->base, submit->gpu->id, &iova); /* this would break the logic in the fail path.. there is no @@ -247,7 +247,7 @@ static int submit_reloc(struct msm_gem_submit *submit, struct msm_gem_object *ob /* For now, just map the entire thing. Eventually we probably * to do it page-by-page, w/ kmap() if not vmap()d.. */ - ptr = msm_gem_vaddr(&obj->base); + ptr = msm_gem_vaddr_locked(&obj->base); if (IS_ERR(ptr)) { ret = PTR_ERR(ptr); @@ -307,14 +307,12 @@ static void submit_cleanup(struct msm_gem_submit *submit, bool fail) { unsigned i; - mutex_lock(&submit->dev->struct_mutex); for (i = 0; i < submit->nr_bos; i++) { struct msm_gem_object *msm_obj = submit->bos[i].obj; submit_unlock_unpin_bo(submit, i); list_del_init(&msm_obj->submit_entry); drm_gem_object_unreference(&msm_obj->base); } - mutex_unlock(&submit->dev->struct_mutex); ww_acquire_fini(&submit->ticket); kfree(submit); @@ -342,6 +340,8 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (args->nr_cmds > MAX_CMDS) return -EINVAL; + mutex_lock(&dev->struct_mutex); + submit = submit_create(dev, gpu, args->nr_bos); if (!submit) { ret = -ENOMEM; @@ -410,5 +410,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, out: if (submit) submit_cleanup(submit, !!ret); + mutex_unlock(&dev->struct_mutex); return ret; } diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 4ebce8be489..0cfe3f426ee 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -298,8 +298,6 @@ int msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, struct msm_drm_private *priv = dev->dev_private; int i, ret; - mutex_lock(&dev->struct_mutex); - submit->fence = ++priv->next_fence; gpu->submitted_fence = submit->fence; @@ -331,7 +329,6 @@ int msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, msm_gem_move_to_active(&msm_obj->base, gpu, true, submit->fence); } hangcheck_timer_reset(gpu); - mutex_unlock(&dev->struct_mutex); return ret; } diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile index e88145ba1bf..d310c195bdf 100644 --- a/drivers/gpu/drm/nouveau/Makefile +++ b/drivers/gpu/drm/nouveau/Makefile @@ -141,6 +141,7 @@ nouveau-y += core/subdev/mc/base.o nouveau-y += core/subdev/mc/nv04.o nouveau-y += core/subdev/mc/nv40.o nouveau-y += core/subdev/mc/nv44.o +nouveau-y += core/subdev/mc/nv4c.o nouveau-y += core/subdev/mc/nv50.o nouveau-y += core/subdev/mc/nv94.o nouveau-y += core/subdev/mc/nv98.o diff --git a/drivers/gpu/drm/nouveau/core/engine/device/nv40.c b/drivers/gpu/drm/nouveau/core/engine/device/nv40.c index 1b653dd74a7..08b88591ed6 100644 --- a/drivers/gpu/drm/nouveau/core/engine/device/nv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/device/nv40.c @@ -311,7 +311,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv40_clock_oclass; device->oclass[NVDEV_SUBDEV_THERM ] = &nv40_therm_oclass; device->oclass[NVDEV_SUBDEV_DEVINIT] = nv1a_devinit_oclass; - device->oclass[NVDEV_SUBDEV_MC ] = nv44_mc_oclass; + device->oclass[NVDEV_SUBDEV_MC ] = nv4c_mc_oclass; device->oclass[NVDEV_SUBDEV_BUS ] = nv31_bus_oclass; device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; @@ -334,7 +334,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv40_clock_oclass; device->oclass[NVDEV_SUBDEV_THERM ] = &nv40_therm_oclass; device->oclass[NVDEV_SUBDEV_DEVINIT] = nv1a_devinit_oclass; - device->oclass[NVDEV_SUBDEV_MC ] = nv44_mc_oclass; + device->oclass[NVDEV_SUBDEV_MC ] = nv4c_mc_oclass; device->oclass[NVDEV_SUBDEV_BUS ] = nv31_bus_oclass; device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = nv4e_fb_oclass; @@ -357,7 +357,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv40_clock_oclass; device->oclass[NVDEV_SUBDEV_THERM ] = &nv40_therm_oclass; device->oclass[NVDEV_SUBDEV_DEVINIT] = nv1a_devinit_oclass; - device->oclass[NVDEV_SUBDEV_MC ] = nv44_mc_oclass; + device->oclass[NVDEV_SUBDEV_MC ] = nv4c_mc_oclass; device->oclass[NVDEV_SUBDEV_BUS ] = nv31_bus_oclass; device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; @@ -380,7 +380,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv40_clock_oclass; device->oclass[NVDEV_SUBDEV_THERM ] = &nv40_therm_oclass; device->oclass[NVDEV_SUBDEV_DEVINIT] = nv1a_devinit_oclass; - device->oclass[NVDEV_SUBDEV_MC ] = nv44_mc_oclass; + device->oclass[NVDEV_SUBDEV_MC ] = nv4c_mc_oclass; device->oclass[NVDEV_SUBDEV_BUS ] = nv31_bus_oclass; device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; @@ -403,7 +403,7 @@ nv40_identify(struct nouveau_device *device) device->oclass[NVDEV_SUBDEV_CLOCK ] = &nv40_clock_oclass; device->oclass[NVDEV_SUBDEV_THERM ] = &nv40_therm_oclass; device->oclass[NVDEV_SUBDEV_DEVINIT] = nv1a_devinit_oclass; - device->oclass[NVDEV_SUBDEV_MC ] = nv44_mc_oclass; + device->oclass[NVDEV_SUBDEV_MC ] = nv4c_mc_oclass; device->oclass[NVDEV_SUBDEV_BUS ] = nv31_bus_oclass; device->oclass[NVDEV_SUBDEV_TIMER ] = &nv04_timer_oclass; device->oclass[NVDEV_SUBDEV_FB ] = nv46_fb_oclass; diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 940eaa5d8b9..9ad722e4e08 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -1142,7 +1142,7 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head) if (conf != ~0) { if (outp.location == 0 && outp.type == DCB_OUTPUT_DP) { u32 soff = (ffs(outp.or) - 1) * 0x08; - u32 ctrl = nv_rd32(priv, 0x610798 + soff); + u32 ctrl = nv_rd32(priv, 0x610794 + soff); u32 datarate; switch ((ctrl & 0x000f0000) >> 16) { diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c index 9a850fe1951..54c1b5b471c 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c @@ -112,7 +112,7 @@ nve0_fifo_runlist_update(struct nve0_fifo_priv *priv, u32 engine) nv_wr32(priv, 0x002270, cur->addr >> 12); nv_wr32(priv, 0x002274, (engine << 20) | (p >> 3)); - if (!nv_wait(priv, 0x002284 + (engine * 4), 0x00100000, 0x00000000)) + if (!nv_wait(priv, 0x002284 + (engine * 8), 0x00100000, 0x00000000)) nv_error(priv, "runlist %d update timeout\n", engine); mutex_unlock(&nv_subdev(priv)->mutex); } diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c index 30ed19c52e0..7a367c40297 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv50.c @@ -539,7 +539,7 @@ nv50_priv_tp_trap(struct nv50_graph_priv *priv, int type, u32 ustatus_old, ustatus &= ~0x04030000; } if (ustatus && display) { - nv_error("%s - TP%d:", name, i); + nv_error(priv, "%s - TP%d:", name, i); nouveau_bitfield_print(nv50_mpc_traps, ustatus); pr_cont("\n"); ustatus = 0; diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/mc.h b/drivers/gpu/drm/nouveau/core/include/subdev/mc.h index adc88b73d91..3c6738edd12 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/mc.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/mc.h @@ -47,6 +47,7 @@ struct nouveau_mc_oclass { extern struct nouveau_oclass *nv04_mc_oclass; extern struct nouveau_oclass *nv40_mc_oclass; extern struct nouveau_oclass *nv44_mc_oclass; +extern struct nouveau_oclass *nv4c_mc_oclass; extern struct nouveau_oclass *nv50_mc_oclass; extern struct nouveau_oclass *nv94_mc_oclass; extern struct nouveau_oclass *nv98_mc_oclass; diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c index aa0fbbec7f0..ef0c9c4a8cc 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c @@ -130,6 +130,10 @@ nouveau_bios_shadow_prom(struct nouveau_bios *bios) u16 pcir; int i; + /* there is no prom on nv4x IGP's */ + if (device->card_type == NV_40 && device->chipset >= 0x4c) + return; + /* enable access to rom */ if (device->card_type >= NV_50) pcireg = 0x088050; diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv1a.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv1a.c index 9159a5ccee9..265d1253624 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv1a.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv1a.c @@ -36,7 +36,7 @@ nv1a_fb_oclass = &(struct nv04_fb_impl) { .fini = _nouveau_fb_fini, }, .base.memtype = nv04_fb_memtype_valid, - .base.ram = &nv10_ram_oclass, + .base.ram = &nv1a_ram_oclass, .tile.regions = 8, .tile.init = nv10_fb_tile_init, .tile.fini = nv10_fb_tile_fini, diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.h b/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.h index b0d5c31606c..81a408e7d03 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.h +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv04.h @@ -14,6 +14,7 @@ int nv04_mc_ctor(struct nouveau_object *, struct nouveau_object *, extern const struct nouveau_mc_intr nv04_mc_intr[]; int nv04_mc_init(struct nouveau_object *); void nv40_mc_msi_rearm(struct nouveau_mc *); +int nv44_mc_init(struct nouveau_object *object); int nv50_mc_init(struct nouveau_object *); extern const struct nouveau_mc_intr nv50_mc_intr[]; extern const struct nouveau_mc_intr nvc0_mc_intr[]; diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c index 3bfee5c6c4f..cc4d0d2d886 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv44.c @@ -24,7 +24,7 @@ #include "nv04.h" -static int +int nv44_mc_init(struct nouveau_object *object) { struct nv04_mc_priv *priv = (void *)object; diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c b/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c new file mode 100644 index 00000000000..a75c35ccf25 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/nv4c.c @@ -0,0 +1,45 @@ +/* + * Copyright 2014 Ilia Mirkin + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ilia Mirkin + */ + +#include "nv04.h" + +static void +nv4c_mc_msi_rearm(struct nouveau_mc *pmc) +{ + struct nv04_mc_priv *priv = (void *)pmc; + nv_wr08(priv, 0x088050, 0xff); +} + +struct nouveau_oclass * +nv4c_mc_oclass = &(struct nouveau_mc_oclass) { + .base.handle = NV_SUBDEV(MC, 0x4c), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv04_mc_ctor, + .dtor = _nouveau_mc_dtor, + .init = nv44_mc_init, + .fini = _nouveau_mc_fini, + }, + .intr = nv04_mc_intr, + .msi_rearm = nv4c_mc_msi_rearm, +}.base; diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 4ef83df2b24..83face3f608 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -106,6 +106,29 @@ static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg, uint32_t * return 0; } +/* + * On some platforms, _DSM(nouveau_op_dsm_muid, func0) has special + * requirements on the fourth parameter, so a private implementation + * instead of using acpi_check_dsm(). + */ +static int nouveau_check_optimus_dsm(acpi_handle handle) +{ + int result; + + /* + * Function 0 returns a Buffer containing available functions. + * The args parameter is ignored for function 0, so just put 0 in it + */ + if (nouveau_optimus_dsm(handle, 0, 0, &result)) + return 0; + + /* + * ACPI Spec v4 9.14.1: if bit 0 is zero, no function is supported. + * If the n-th bit is enabled, function n is supported + */ + return result & 1 && result & (1 << NOUVEAU_DSM_OPTIMUS_CAPS); +} + static int nouveau_dsm(acpi_handle handle, int func, int arg) { int ret = 0; @@ -207,8 +230,7 @@ static int nouveau_dsm_pci_probe(struct pci_dev *pdev) 1 << NOUVEAU_DSM_POWER)) retval |= NOUVEAU_DSM_HAS_MUX; - if (acpi_check_dsm(dhandle, nouveau_op_dsm_muid, 0x00000100, - 1 << NOUVEAU_DSM_OPTIMUS_CAPS)) + if (nouveau_check_optimus_dsm(dhandle)) retval |= NOUVEAU_DSM_HAS_OPT; if (retval & NOUVEAU_DSM_HAS_OPT) { diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 488686d490c..4aed1714b9a 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -1249,7 +1249,7 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem) mem->bus.is_iomem = !dev->agp->cant_use_aperture; } #endif - if (!node->memtype) + if (nv_device(drm->device)->card_type < NV_50 || !node->memtype) /* untiled */ break; /* fallthrough, tiled memory */ diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 78c8e7146d5..89c484d8ac2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -376,6 +376,8 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags) if (ret) goto fail_device; + dev->irq_enabled = true; + /* workaround an odd issue on nvc1 by disabling the device's * nosnoop capability. hopefully won't cause issues until a * better fix is found - assuming there is one... @@ -475,6 +477,7 @@ nouveau_drm_remove(struct pci_dev *pdev) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_object *device; + dev->irq_enabled = false; device = drm->client.base.device; drm_put_dev(dev); diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c index 81638d7f2ef..471347edc27 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vga.c +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c @@ -14,7 +14,9 @@ nouveau_vga_set_decode(void *priv, bool state) { struct nouveau_device *device = nouveau_dev(priv); - if (device->chipset >= 0x40) + if (device->card_type == NV_40 && device->chipset >= 0x4c) + nv_wr32(device, 0x088060, state); + else if (device->chipset >= 0x40) nv_wr32(device, 0x088054, state); else nv_wr32(device, 0x001854, state); diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index a9338c85630..0d19f4f94d5 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -559,7 +559,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, u32 adjusted_clock = mode->clock; int encoder_mode = atombios_get_encoder_mode(encoder); u32 dp_clock = mode->clock; - int bpc = radeon_get_monitor_bpc(connector); + int bpc = radeon_crtc->bpc; bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock); /* reset the pll flags */ @@ -1176,7 +1176,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); /* Set NUM_BANKS. */ - if (rdev->family >= CHIP_BONAIRE) { + if (rdev->family >= CHIP_TAHITI) { unsigned tileb, index, num_banks, tile_split_bytes; /* Calculate the macrotile mode index. */ @@ -1194,13 +1194,14 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, return -EINVAL; } - num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; + if (rdev->family >= CHIP_BONAIRE) + num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; + else + num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 0x3; fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks); } else { - /* SI and older. */ - if (rdev->family >= CHIP_TAHITI) - tmp = rdev->config.si.tile_config; - else if (rdev->family >= CHIP_CAYMAN) + /* NI and older. */ + if (rdev->family >= CHIP_CAYMAN) tmp = rdev->config.cayman.tile_config; else tmp = rdev->config.evergreen.tile_config; diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index a42d61571f4..2cec2ab02f8 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -464,11 +464,12 @@ atombios_tv_setup(struct drm_encoder *encoder, int action) static u8 radeon_atom_get_bpc(struct drm_encoder *encoder) { - struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); int bpc = 8; - if (connector) - bpc = radeon_get_monitor_bpc(connector); + if (encoder->crtc) { + struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc); + bpc = radeon_crtc->bpc; + } switch (bpc) { case 0: diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c index 0fbd36f3d4e..ea103ccdf4b 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.c +++ b/drivers/gpu/drm/radeon/btc_dpm.c @@ -29,6 +29,7 @@ #include "cypress_dpm.h" #include "btc_dpm.h" #include "atom.h" +#include <linux/seq_file.h> #define MC_CG_ARB_FREQ_F0 0x0a #define MC_CG_ARB_FREQ_F1 0x0b @@ -2756,6 +2757,37 @@ void btc_dpm_fini(struct radeon_device *rdev) r600_free_extended_power_table(rdev); } +void btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m) +{ + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct radeon_ps *rps = &eg_pi->current_rps; + struct rv7xx_ps *ps = rv770_get_ps(rps); + struct rv7xx_pl *pl; + u32 current_index = + (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >> + CURRENT_PROFILE_INDEX_SHIFT; + + if (current_index > 2) { + seq_printf(m, "invalid dpm profile %d\n", current_index); + } else { + if (current_index == 0) + pl = &ps->low; + else if (current_index == 1) + pl = &ps->medium; + else /* current_index == 2 */ + pl = &ps->high; + seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk); + if (rdev->family >= CHIP_CEDAR) { + seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u vddci: %u\n", + current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci); + } else { + seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n", + current_index, pl->sclk, pl->mclk, pl->vddc); + } + } +} + u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low) { struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); diff --git a/drivers/gpu/drm/radeon/btcd.h b/drivers/gpu/drm/radeon/btcd.h index 29e32de7e02..9c65be2d55a 100644 --- a/drivers/gpu/drm/radeon/btcd.h +++ b/drivers/gpu/drm/radeon/btcd.h @@ -44,6 +44,10 @@ # define DYN_SPREAD_SPECTRUM_EN (1 << 23) # define AC_DC_SW (1 << 24) +#define TARGET_AND_CURRENT_PROFILE_INDEX 0x66c +# define CURRENT_PROFILE_INDEX_MASK (0xf << 4) +# define CURRENT_PROFILE_INDEX_SHIFT 4 + #define CG_BIF_REQ_AND_RSP 0x7f4 #define CG_CLIENT_REQ(x) ((x) << 0) #define CG_CLIENT_REQ_MASK (0xff << 0) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f2b9e21ce4d..5623e7542d9 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1680,7 +1680,7 @@ bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd) case RADEON_HPD_6: if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE) connected = true; - break; + break; default: break; } diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index b6e01d5d2cc..351db361239 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -1223,7 +1223,7 @@ int kv_dpm_enable(struct radeon_device *rdev) int kv_dpm_late_enable(struct radeon_device *rdev) { - int ret; + int ret = 0; if (rdev->irq.installed && r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) { diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index c351226ecb3..ca814276b07 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -2588,7 +2588,7 @@ static int ni_populate_sq_ramping_values(struct radeon_device *rdev, if (NISLANDS_DPM2_SQ_RAMP_STI_SIZE > (STI_SIZE_MASK >> STI_SIZE_SHIFT)) enable_sq_ramping = false; - if (NISLANDS_DPM2_SQ_RAMP_LTI_RATIO <= (LTI_RATIO_MASK >> LTI_RATIO_SHIFT)) + if (NISLANDS_DPM2_SQ_RAMP_LTI_RATIO > (LTI_RATIO_MASK >> LTI_RATIO_SHIFT)) enable_sq_ramping = false; for (i = 0; i < state->performance_level_count; i++) { @@ -3945,7 +3945,6 @@ static void ni_parse_pplib_clock_info(struct radeon_device *rdev, struct rv7xx_power_info *pi = rv770_get_pi(rdev); struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); struct ni_ps *ps = ni_get_ps(rps); - u16 vddc; struct rv7xx_pl *pl = &ps->performance_levels[index]; ps->performance_level_count = index + 1; @@ -3961,8 +3960,8 @@ static void ni_parse_pplib_clock_info(struct radeon_device *rdev, /* patch up vddc if necessary */ if (pl->vddc == 0xff01) { - if (radeon_atom_get_max_vddc(rdev, 0, 0, &vddc) == 0) - pl->vddc = vddc; + if (pi->max_vddc) + pl->vddc = pi->max_vddc; } if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) { @@ -4322,7 +4321,8 @@ void ni_dpm_print_power_state(struct radeon_device *rdev, void ni_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, struct seq_file *m) { - struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct radeon_ps *rps = &eg_pi->current_rps; struct ni_ps *ps = ni_get_ps(rps); struct rv7xx_pl *pl; u32 current_index = diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 56140b4e5bb..cdbc4171fe7 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -3991,6 +3991,10 @@ restart_ih: break; } break; + case 124: /* UVD */ + DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); + radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); + break; case 176: /* CP_INT in ring buffer */ case 177: /* CP_INT in IB1 */ case 178: /* CP_INT in IB2 */ diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 4a8ac1cd6b4..024db37b183 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -135,6 +135,9 @@ extern int radeon_hard_reset; /* R600+ */ #define R600_RING_TYPE_UVD_INDEX 5 +/* number of hw syncs before falling back on blocking */ +#define RADEON_NUM_SYNCS 4 + /* hardcode those limit for now */ #define RADEON_VA_IB_OFFSET (1 << 20) #define RADEON_VA_RESERVED_SIZE (8 << 20) @@ -554,7 +557,6 @@ int radeon_mode_dumb_mmap(struct drm_file *filp, /* * Semaphores. */ -/* everything here is constant */ struct radeon_semaphore { struct radeon_sa_bo *sa_bo; signed waiters; diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index f74db43346f..dda02bfc10a 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1555,7 +1555,7 @@ static struct radeon_asic btc_asic = { .get_sclk = &btc_dpm_get_sclk, .get_mclk = &btc_dpm_get_mclk, .print_power_state = &rv770_dpm_print_power_state, - .debugfs_print_current_performance_level = &rv770_dpm_debugfs_print_current_performance_level, + .debugfs_print_current_performance_level = &btc_dpm_debugfs_print_current_performance_level, .force_performance_level = &rv770_dpm_force_performance_level, .vblank_too_short = &btc_dpm_vblank_too_short, }, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index b3bc433eed4..ae637cfda78 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -551,6 +551,8 @@ void btc_dpm_fini(struct radeon_device *rdev); u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low); u32 btc_dpm_get_mclk(struct radeon_device *rdev, bool low); bool btc_dpm_vblank_too_short(struct radeon_device *rdev); +void btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, + struct seq_file *m); int sumo_dpm_init(struct radeon_device *rdev); int sumo_dpm_enable(struct radeon_device *rdev); int sumo_dpm_late_enable(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index d680608f6f5..fbd8b930f2b 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -571,6 +571,8 @@ static void radeon_crtc_init(struct drm_device *dev, int index) radeon_crtc->max_cursor_width = CURSOR_WIDTH; radeon_crtc->max_cursor_height = CURSOR_HEIGHT; } + dev->mode_config.cursor_width = radeon_crtc->max_cursor_width; + dev->mode_config.cursor_height = radeon_crtc->max_cursor_height; #if 0 radeon_crtc->mode_set.crtc = &radeon_crtc->base; diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 1b783f0e6d3..15e44a7281a 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -139,7 +139,7 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib, } /* 64 dwords should be enough for fence too */ - r = radeon_ring_lock(rdev, ring, 64 + RADEON_NUM_RINGS * 8); + r = radeon_ring_lock(rdev, ring, 64 + RADEON_NUM_SYNCS * 8); if (r) { dev_err(rdev->dev, "scheduling IB failed (%d).\n", r); return r; diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c index 2b42aa1914f..9006b32d5ee 100644 --- a/drivers/gpu/drm/radeon/radeon_semaphore.c +++ b/drivers/gpu/drm/radeon/radeon_semaphore.c @@ -34,14 +34,15 @@ int radeon_semaphore_create(struct radeon_device *rdev, struct radeon_semaphore **semaphore) { + uint32_t *cpu_addr; int i, r; *semaphore = kmalloc(sizeof(struct radeon_semaphore), GFP_KERNEL); if (*semaphore == NULL) { return -ENOMEM; } - r = radeon_sa_bo_new(rdev, &rdev->ring_tmp_bo, - &(*semaphore)->sa_bo, 8, 8, true); + r = radeon_sa_bo_new(rdev, &rdev->ring_tmp_bo, &(*semaphore)->sa_bo, + 8 * RADEON_NUM_SYNCS, 8, true); if (r) { kfree(*semaphore); *semaphore = NULL; @@ -49,7 +50,10 @@ int radeon_semaphore_create(struct radeon_device *rdev, } (*semaphore)->waiters = 0; (*semaphore)->gpu_addr = radeon_sa_bo_gpu_addr((*semaphore)->sa_bo); - *((uint64_t*)radeon_sa_bo_cpu_addr((*semaphore)->sa_bo)) = 0; + + cpu_addr = radeon_sa_bo_cpu_addr((*semaphore)->sa_bo); + for (i = 0; i < RADEON_NUM_SYNCS; ++i) + cpu_addr[i] = 0; for (i = 0; i < RADEON_NUM_RINGS; ++i) (*semaphore)->sync_to[i] = NULL; @@ -125,6 +129,7 @@ int radeon_semaphore_sync_rings(struct radeon_device *rdev, struct radeon_semaphore *semaphore, int ring) { + unsigned count = 0; int i, r; for (i = 0; i < RADEON_NUM_RINGS; ++i) { @@ -140,6 +145,12 @@ int radeon_semaphore_sync_rings(struct radeon_device *rdev, return -EINVAL; } + if (++count > RADEON_NUM_SYNCS) { + /* not enough room, wait manually */ + radeon_fence_wait_locked(fence); + continue; + } + /* allocate enough space for sync command */ r = radeon_ring_alloc(rdev, &rdev->ring[i], 16); if (r) { @@ -164,6 +175,8 @@ int radeon_semaphore_sync_rings(struct radeon_device *rdev, radeon_ring_commit(rdev, &rdev->ring[i]); radeon_fence_note_sync(fence, ring); + + semaphore->gpu_addr += 8; } return 0; diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index 80c595aba35..b5f63f5e22a 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -2174,7 +2174,6 @@ static void rv7xx_parse_pplib_clock_info(struct radeon_device *rdev, struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); struct rv7xx_ps *ps = rv770_get_ps(rps); u32 sclk, mclk; - u16 vddc; struct rv7xx_pl *pl; switch (index) { @@ -2214,8 +2213,8 @@ static void rv7xx_parse_pplib_clock_info(struct radeon_device *rdev, /* patch up vddc if necessary */ if (pl->vddc == 0xff01) { - if (radeon_atom_get_max_vddc(rdev, 0, 0, &vddc) == 0) - pl->vddc = vddc; + if (pi->max_vddc) + pl->vddc = pi->max_vddc; } if (rps->class & ATOM_PPLIB_CLASSIFICATION_ACPI) { @@ -2527,14 +2526,7 @@ u32 rv770_dpm_get_mclk(struct radeon_device *rdev, bool low) bool rv770_dpm_vblank_too_short(struct radeon_device *rdev) { u32 vblank_time = r600_dpm_get_vblank_time(rdev); - u32 switch_limit = 300; - - /* quirks */ - /* ASUS K70AF */ - if ((rdev->pdev->device == 0x9553) && - (rdev->pdev->subsystem_vendor == 0x1043) && - (rdev->pdev->subsystem_device == 0x1c42)) - switch_limit = 200; + u32 switch_limit = 200; /* 300 */ /* RV770 */ /* mclk switching doesn't seem to work reliably on desktop RV770s */ diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 09ec4f6c53b..83578324e5d 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6338,6 +6338,10 @@ restart_ih: break; } break; + case 124: /* UVD */ + DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data); + radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX); + break; case 146: case 147: addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 0471501338f..0a2f5b4bca4 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2395,7 +2395,7 @@ static int si_populate_sq_ramping_values(struct radeon_device *rdev, if (SISLANDS_DPM2_SQ_RAMP_STI_SIZE > (STI_SIZE_MASK >> STI_SIZE_SHIFT)) enable_sq_ramping = false; - if (SISLANDS_DPM2_SQ_RAMP_LTI_RATIO <= (LTI_RATIO_MASK >> LTI_RATIO_SHIFT)) + if (SISLANDS_DPM2_SQ_RAMP_LTI_RATIO > (LTI_RATIO_MASK >> LTI_RATIO_SHIFT)) enable_sq_ramping = false; for (i = 0; i < state->performance_level_count; i++) { @@ -6472,7 +6472,8 @@ void si_dpm_fini(struct radeon_device *rdev) void si_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, struct seq_file *m) { - struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev); + struct radeon_ps *rps = &eg_pi->current_rps; struct ni_ps *ps = ni_get_ps(rps); struct rv7xx_pl *pl; u32 current_index = diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index f121efe12dc..8b47b3cd035 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1807,7 +1807,7 @@ void sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev struct seq_file *m) { struct sumo_power_info *pi = sumo_get_pi(rdev); - struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct radeon_ps *rps = &pi->current_rps; struct sumo_ps *ps = sumo_get_ps(rps); struct sumo_pl *pl; u32 current_index = diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 2d447192d6f..2da0e17eb96 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1926,7 +1926,8 @@ void trinity_dpm_print_power_state(struct radeon_device *rdev, void trinity_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev, struct seq_file *m) { - struct radeon_ps *rps = rdev->pm.dpm.current_ps; + struct trinity_power_info *pi = trinity_get_pi(rdev); + struct radeon_ps *rps = &pi->current_rps; struct trinity_ps *ps = trinity_get_ps(rps); struct trinity_pl *pl; u32 current_index = diff --git a/drivers/gpu/drm/radeon/uvd_v2_2.c b/drivers/gpu/drm/radeon/uvd_v2_2.c index 824550db3fe..d1771004cb5 100644 --- a/drivers/gpu/drm/radeon/uvd_v2_2.c +++ b/drivers/gpu/drm/radeon/uvd_v2_2.c @@ -57,7 +57,6 @@ void uvd_v2_2_fence_emit(struct radeon_device *rdev, radeon_ring_write(ring, 0); radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0)); radeon_ring_write(ring, 2); - return; } /** diff --git a/drivers/gpu/drm/ttm/ttm_agp_backend.c b/drivers/gpu/drm/ttm/ttm_agp_backend.c index 3302f99e749..764be36397f 100644 --- a/drivers/gpu/drm/ttm/ttm_agp_backend.c +++ b/drivers/gpu/drm/ttm/ttm_agp_backend.c @@ -126,6 +126,7 @@ struct ttm_tt *ttm_agp_tt_create(struct ttm_bo_device *bdev, agp_be->ttm.func = &ttm_agp_func; if (ttm_tt_init(&agp_be->ttm, bdev, size, page_flags, dummy_read_page)) { + kfree(agp_be); return NULL; } diff --git a/drivers/gpu/drm/vmwgfx/svga3d_reg.h b/drivers/gpu/drm/vmwgfx/svga3d_reg.h index b645647b777..bb594c11605 100644 --- a/drivers/gpu/drm/vmwgfx/svga3d_reg.h +++ b/drivers/gpu/drm/vmwgfx/svga3d_reg.h @@ -1223,9 +1223,19 @@ typedef enum { #define SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL 1129 #define SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE 1130 - +#define SVGA_3D_CMD_GB_SCREEN_DMA 1131 +#define SVGA_3D_CMD_BIND_GB_SURFACE_WITH_PITCH 1132 +#define SVGA_3D_CMD_GB_MOB_FENCE 1133 +#define SVGA_3D_CMD_DEFINE_GB_SURFACE_V2 1134 #define SVGA_3D_CMD_DEFINE_GB_MOB64 1135 #define SVGA_3D_CMD_REDEFINE_GB_MOB64 1136 +#define SVGA_3D_CMD_NOP_ERROR 1137 + +#define SVGA_3D_CMD_RESERVED1 1138 +#define SVGA_3D_CMD_RESERVED2 1139 +#define SVGA_3D_CMD_RESERVED3 1140 +#define SVGA_3D_CMD_RESERVED4 1141 +#define SVGA_3D_CMD_RESERVED5 1142 #define SVGA_3D_CMD_MAX 1142 #define SVGA_3D_CMD_FUTURE_MAX 3000 @@ -1973,8 +1983,7 @@ struct { uint32 sizeInBytes; uint32 validSizeInBytes; SVGAMobFormat ptDepth; -} -__attribute__((__packed__)) +} __packed SVGA3dCmdSetOTableBase; /* SVGA_3D_CMD_SET_OTABLE_BASE */ typedef @@ -1984,15 +1993,13 @@ struct { uint32 sizeInBytes; uint32 validSizeInBytes; SVGAMobFormat ptDepth; -} -__attribute__((__packed__)) +} __packed SVGA3dCmdSetOTableBase64; /* SVGA_3D_CMD_SET_OTABLE_BASE64 */ typedef struct { SVGAOTableType type; -} -__attribute__((__packed__)) +} __packed SVGA3dCmdReadbackOTable; /* SVGA_3D_CMD_READBACK_OTABLE */ /* @@ -2005,8 +2012,7 @@ struct SVGA3dCmdDefineGBMob { SVGAMobFormat ptDepth; PPN base; uint32 sizeInBytes; -} -__attribute__((__packed__)) +} __packed SVGA3dCmdDefineGBMob; /* SVGA_3D_CMD_DEFINE_GB_MOB */ @@ -2017,8 +2023,7 @@ SVGA3dCmdDefineGBMob; /* SVGA_3D_CMD_DEFINE_GB_MOB */ typedef struct SVGA3dCmdDestroyGBMob { SVGAMobId mobid; -} -__attribute__((__packed__)) +} __packed SVGA3dCmdDestroyGBMob; /* SVGA_3D_CMD_DESTROY_GB_MOB */ /* @@ -2031,8 +2036,7 @@ struct SVGA3dCmdRedefineGBMob { SVGAMobFormat ptDepth; PPN base; uint32 sizeInBytes; -} -__attribute__((__packed__)) +} __packed SVGA3dCmdRedefineGBMob; /* SVGA_3D_CMD_REDEFINE_GB_MOB */ /* @@ -2045,8 +2049,7 @@ struct SVGA3dCmdDefineGBMob64 { SVGAMobFormat ptDepth; PPN64 base; uint32 sizeInBytes; -} -__attribute__((__packed__)) +} __packed SVGA3dCmdDefineGBMob64; /* SVGA_3D_CMD_DEFINE_GB_MOB64 */ /* @@ -2059,8 +2062,7 @@ struct SVGA3dCmdRedefineGBMob64 { SVGAMobFormat ptDepth; PPN64 base; uint32 sizeInBytes; -} -__attribute__((__packed__)) +} __packed SVGA3dCmdRedefineGBMob64; /* SVGA_3D_CMD_REDEFINE_GB_MOB64 */ /* @@ -2070,8 +2072,7 @@ SVGA3dCmdRedefineGBMob64; /* SVGA_3D_CMD_REDEFINE_GB_MOB64 */ typedef struct SVGA3dCmdUpdateGBMobMapping { SVGAMobId mobid; -} -__attribute__((__packed__)) +} __packed SVGA3dCmdUpdateGBMobMapping; /* SVGA_3D_CMD_UPDATE_GB_MOB_MAPPING */ /* @@ -2087,7 +2088,8 @@ struct SVGA3dCmdDefineGBSurface { uint32 multisampleCount; SVGA3dTextureFilter autogenFilter; SVGA3dSize size; -} SVGA3dCmdDefineGBSurface; /* SVGA_3D_CMD_DEFINE_GB_SURFACE */ +} __packed +SVGA3dCmdDefineGBSurface; /* SVGA_3D_CMD_DEFINE_GB_SURFACE */ /* * Destroy a guest-backed surface. @@ -2096,7 +2098,8 @@ struct SVGA3dCmdDefineGBSurface { typedef struct SVGA3dCmdDestroyGBSurface { uint32 sid; -} SVGA3dCmdDestroyGBSurface; /* SVGA_3D_CMD_DESTROY_GB_SURFACE */ +} __packed +SVGA3dCmdDestroyGBSurface; /* SVGA_3D_CMD_DESTROY_GB_SURFACE */ /* * Bind a guest-backed surface to an object. @@ -2106,7 +2109,8 @@ typedef struct SVGA3dCmdBindGBSurface { uint32 sid; SVGAMobId mobid; -} SVGA3dCmdBindGBSurface; /* SVGA_3D_CMD_BIND_GB_SURFACE */ +} __packed +SVGA3dCmdBindGBSurface; /* SVGA_3D_CMD_BIND_GB_SURFACE */ /* * Conditionally bind a mob to a guest backed surface if testMobid @@ -2123,7 +2127,7 @@ struct{ SVGAMobId testMobid; SVGAMobId mobid; uint32 flags; -} +} __packed SVGA3dCmdCondBindGBSurface; /* SVGA_3D_CMD_COND_BIND_GB_SURFACE */ /* @@ -2135,7 +2139,8 @@ typedef struct SVGA3dCmdUpdateGBImage { SVGA3dSurfaceImageId image; SVGA3dBox box; -} SVGA3dCmdUpdateGBImage; /* SVGA_3D_CMD_UPDATE_GB_IMAGE */ +} __packed +SVGA3dCmdUpdateGBImage; /* SVGA_3D_CMD_UPDATE_GB_IMAGE */ /* * Update an entire guest-backed surface. @@ -2145,7 +2150,8 @@ struct SVGA3dCmdUpdateGBImage { typedef struct SVGA3dCmdUpdateGBSurface { uint32 sid; -} SVGA3dCmdUpdateGBSurface; /* SVGA_3D_CMD_UPDATE_GB_SURFACE */ +} __packed +SVGA3dCmdUpdateGBSurface; /* SVGA_3D_CMD_UPDATE_GB_SURFACE */ /* * Readback an image in a guest-backed surface. @@ -2155,7 +2161,8 @@ struct SVGA3dCmdUpdateGBSurface { typedef struct SVGA3dCmdReadbackGBImage { SVGA3dSurfaceImageId image; -} SVGA3dCmdReadbackGBImage; /* SVGA_3D_CMD_READBACK_GB_IMAGE*/ +} __packed +SVGA3dCmdReadbackGBImage; /* SVGA_3D_CMD_READBACK_GB_IMAGE*/ /* * Readback an entire guest-backed surface. @@ -2165,7 +2172,8 @@ struct SVGA3dCmdReadbackGBImage { typedef struct SVGA3dCmdReadbackGBSurface { uint32 sid; -} SVGA3dCmdReadbackGBSurface; /* SVGA_3D_CMD_READBACK_GB_SURFACE */ +} __packed +SVGA3dCmdReadbackGBSurface; /* SVGA_3D_CMD_READBACK_GB_SURFACE */ /* * Readback a sub rect of an image in a guest-backed surface. After @@ -2179,7 +2187,7 @@ struct SVGA3dCmdReadbackGBImagePartial { SVGA3dSurfaceImageId image; SVGA3dBox box; uint32 invertBox; -} +} __packed SVGA3dCmdReadbackGBImagePartial; /* SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL */ /* @@ -2190,7 +2198,8 @@ SVGA3dCmdReadbackGBImagePartial; /* SVGA_3D_CMD_READBACK_GB_IMAGE_PARTIAL */ typedef struct SVGA3dCmdInvalidateGBImage { SVGA3dSurfaceImageId image; -} SVGA3dCmdInvalidateGBImage; /* SVGA_3D_CMD_INVALIDATE_GB_IMAGE */ +} __packed +SVGA3dCmdInvalidateGBImage; /* SVGA_3D_CMD_INVALIDATE_GB_IMAGE */ /* * Invalidate an entire guest-backed surface. @@ -2200,7 +2209,8 @@ struct SVGA3dCmdInvalidateGBImage { typedef struct SVGA3dCmdInvalidateGBSurface { uint32 sid; -} SVGA3dCmdInvalidateGBSurface; /* SVGA_3D_CMD_INVALIDATE_GB_SURFACE */ +} __packed +SVGA3dCmdInvalidateGBSurface; /* SVGA_3D_CMD_INVALIDATE_GB_SURFACE */ /* * Invalidate a sub rect of an image in a guest-backed surface. After @@ -2214,7 +2224,7 @@ struct SVGA3dCmdInvalidateGBImagePartial { SVGA3dSurfaceImageId image; SVGA3dBox box; uint32 invertBox; -} +} __packed SVGA3dCmdInvalidateGBImagePartial; /* SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL */ /* @@ -2224,7 +2234,8 @@ SVGA3dCmdInvalidateGBImagePartial; /* SVGA_3D_CMD_INVALIDATE_GB_IMAGE_PARTIAL */ typedef struct SVGA3dCmdDefineGBContext { uint32 cid; -} SVGA3dCmdDefineGBContext; /* SVGA_3D_CMD_DEFINE_GB_CONTEXT */ +} __packed +SVGA3dCmdDefineGBContext; /* SVGA_3D_CMD_DEFINE_GB_CONTEXT */ /* * Destroy a guest-backed context. @@ -2233,7 +2244,8 @@ struct SVGA3dCmdDefineGBContext { typedef struct SVGA3dCmdDestroyGBContext { uint32 cid; -} SVGA3dCmdDestroyGBContext; /* SVGA_3D_CMD_DESTROY_GB_CONTEXT */ +} __packed +SVGA3dCmdDestroyGBContext; /* SVGA_3D_CMD_DESTROY_GB_CONTEXT */ /* * Bind a guest-backed context. @@ -2252,7 +2264,8 @@ struct SVGA3dCmdBindGBContext { uint32 cid; SVGAMobId mobid; uint32 validContents; -} SVGA3dCmdBindGBContext; /* SVGA_3D_CMD_BIND_GB_CONTEXT */ +} __packed +SVGA3dCmdBindGBContext; /* SVGA_3D_CMD_BIND_GB_CONTEXT */ /* * Readback a guest-backed context. @@ -2262,7 +2275,8 @@ struct SVGA3dCmdBindGBContext { typedef struct SVGA3dCmdReadbackGBContext { uint32 cid; -} SVGA3dCmdReadbackGBContext; /* SVGA_3D_CMD_READBACK_GB_CONTEXT */ +} __packed +SVGA3dCmdReadbackGBContext; /* SVGA_3D_CMD_READBACK_GB_CONTEXT */ /* * Invalidate a guest-backed context. @@ -2270,7 +2284,8 @@ struct SVGA3dCmdReadbackGBContext { typedef struct SVGA3dCmdInvalidateGBContext { uint32 cid; -} SVGA3dCmdInvalidateGBContext; /* SVGA_3D_CMD_INVALIDATE_GB_CONTEXT */ +} __packed +SVGA3dCmdInvalidateGBContext; /* SVGA_3D_CMD_INVALIDATE_GB_CONTEXT */ /* * Define a guest-backed shader. @@ -2281,7 +2296,8 @@ struct SVGA3dCmdDefineGBShader { uint32 shid; SVGA3dShaderType type; uint32 sizeInBytes; -} SVGA3dCmdDefineGBShader; /* SVGA_3D_CMD_DEFINE_GB_SHADER */ +} __packed +SVGA3dCmdDefineGBShader; /* SVGA_3D_CMD_DEFINE_GB_SHADER */ /* * Bind a guest-backed shader. @@ -2291,7 +2307,8 @@ typedef struct SVGA3dCmdBindGBShader { uint32 shid; SVGAMobId mobid; uint32 offsetInBytes; -} SVGA3dCmdBindGBShader; /* SVGA_3D_CMD_BIND_GB_SHADER */ +} __packed +SVGA3dCmdBindGBShader; /* SVGA_3D_CMD_BIND_GB_SHADER */ /* * Destroy a guest-backed shader. @@ -2299,7 +2316,8 @@ typedef struct SVGA3dCmdBindGBShader { typedef struct SVGA3dCmdDestroyGBShader { uint32 shid; -} SVGA3dCmdDestroyGBShader; /* SVGA_3D_CMD_DESTROY_GB_SHADER */ +} __packed +SVGA3dCmdDestroyGBShader; /* SVGA_3D_CMD_DESTROY_GB_SHADER */ typedef struct { @@ -2314,14 +2332,16 @@ struct { * Note that FLOAT and INT constants are 4-dwords in length, while * BOOL constants are 1-dword in length. */ -} SVGA3dCmdSetGBShaderConstInline; +} __packed +SVGA3dCmdSetGBShaderConstInline; /* SVGA_3D_CMD_SET_GB_SHADERCONSTS_INLINE */ typedef struct { uint32 cid; SVGA3dQueryType type; -} SVGA3dCmdBeginGBQuery; /* SVGA_3D_CMD_BEGIN_GB_QUERY */ +} __packed +SVGA3dCmdBeginGBQuery; /* SVGA_3D_CMD_BEGIN_GB_QUERY */ typedef struct { @@ -2329,7 +2349,8 @@ struct { SVGA3dQueryType type; SVGAMobId mobid; uint32 offset; -} SVGA3dCmdEndGBQuery; /* SVGA_3D_CMD_END_GB_QUERY */ +} __packed +SVGA3dCmdEndGBQuery; /* SVGA_3D_CMD_END_GB_QUERY */ /* @@ -2346,21 +2367,22 @@ struct { SVGA3dQueryType type; SVGAMobId mobid; uint32 offset; -} SVGA3dCmdWaitForGBQuery; /* SVGA_3D_CMD_WAIT_FOR_GB_QUERY */ +} __packed +SVGA3dCmdWaitForGBQuery; /* SVGA_3D_CMD_WAIT_FOR_GB_QUERY */ typedef struct { SVGAMobId mobid; uint32 fbOffset; uint32 initalized; -} +} __packed SVGA3dCmdEnableGart; /* SVGA_3D_CMD_ENABLE_GART */ typedef struct { SVGAMobId mobid; uint32 gartOffset; -} +} __packed SVGA3dCmdMapMobIntoGart; /* SVGA_3D_CMD_MAP_MOB_INTO_GART */ @@ -2368,7 +2390,7 @@ typedef struct { uint32 gartOffset; uint32 numPages; -} +} __packed SVGA3dCmdUnmapGartRange; /* SVGA_3D_CMD_UNMAP_GART_RANGE */ @@ -2385,27 +2407,27 @@ struct { int32 xRoot; int32 yRoot; uint32 flags; -} +} __packed SVGA3dCmdDefineGBScreenTarget; /* SVGA_3D_CMD_DEFINE_GB_SCREENTARGET */ typedef struct { uint32 stid; -} +} __packed SVGA3dCmdDestroyGBScreenTarget; /* SVGA_3D_CMD_DESTROY_GB_SCREENTARGET */ typedef struct { uint32 stid; SVGA3dSurfaceImageId image; -} +} __packed SVGA3dCmdBindGBScreenTarget; /* SVGA_3D_CMD_BIND_GB_SCREENTARGET */ typedef struct { uint32 stid; SVGA3dBox box; -} +} __packed SVGA3dCmdUpdateGBScreenTarget; /* SVGA_3D_CMD_UPDATE_GB_SCREENTARGET */ /* diff --git a/drivers/gpu/drm/vmwgfx/svga3d_surfacedefs.h b/drivers/gpu/drm/vmwgfx/svga3d_surfacedefs.h index 8369c3ba10f..ef338509614 100644 --- a/drivers/gpu/drm/vmwgfx/svga3d_surfacedefs.h +++ b/drivers/gpu/drm/vmwgfx/svga3d_surfacedefs.h @@ -38,8 +38,11 @@ #define DIV_ROUND_UP(x, y) (((x) + (y) - 1) / (y)) #define max_t(type, x, y) ((x) > (y) ? (x) : (y)) +#define min_t(type, x, y) ((x) < (y) ? (x) : (y)) #define surf_size_struct SVGA3dSize #define u32 uint32 +#define u64 uint64_t +#define U32_MAX ((u32)~0U) #endif /* __KERNEL__ */ @@ -704,8 +707,8 @@ static const struct svga3d_surface_desc svga3d_surface_descs[] = { static inline u32 clamped_umul32(u32 a, u32 b) { - uint64_t tmp = (uint64_t) a*b; - return (tmp > (uint64_t) ((u32) -1)) ? (u32) -1 : tmp; + u64 tmp = (u64) a*b; + return (tmp > (u64) U32_MAX) ? U32_MAX : tmp; } static inline const struct svga3d_surface_desc * @@ -834,7 +837,7 @@ svga3dsurface_get_serialized_size(SVGA3dSurfaceFormat format, bool cubemap) { const struct svga3d_surface_desc *desc = svga3dsurface_get_desc(format); - u32 total_size = 0; + u64 total_size = 0; u32 mip; for (mip = 0; mip < num_mip_levels; mip++) { @@ -847,7 +850,7 @@ svga3dsurface_get_serialized_size(SVGA3dSurfaceFormat format, if (cubemap) total_size *= SVGA3D_MAX_SURFACE_FACES; - return total_size; + return (u32) min_t(u64, total_size, (u64) U32_MAX); } diff --git a/drivers/gpu/drm/vmwgfx/svga_reg.h b/drivers/gpu/drm/vmwgfx/svga_reg.h index 71defa4d2d7..11323dd5196 100644 --- a/drivers/gpu/drm/vmwgfx/svga_reg.h +++ b/drivers/gpu/drm/vmwgfx/svga_reg.h @@ -169,10 +169,17 @@ enum { SVGA_REG_TRACES = 45, /* Enable trace-based updates even when FIFO is on */ SVGA_REG_GMRS_MAX_PAGES = 46, /* Maximum number of 4KB pages for all GMRs */ SVGA_REG_MEMORY_SIZE = 47, /* Total dedicated device memory excluding FIFO */ + SVGA_REG_COMMAND_LOW = 48, /* Lower 32 bits and submits commands */ + SVGA_REG_COMMAND_HIGH = 49, /* Upper 32 bits of command buffer PA */ SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM = 50, /* Max primary memory */ SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB = 51, /* Suggested limit on mob mem */ SVGA_REG_DEV_CAP = 52, /* Write dev cap index, read value */ - SVGA_REG_TOP = 53, /* Must be 1 more than the last register */ + SVGA_REG_CMD_PREPEND_LOW = 53, + SVGA_REG_CMD_PREPEND_HIGH = 54, + SVGA_REG_SCREENTARGET_MAX_WIDTH = 55, + SVGA_REG_SCREENTARGET_MAX_HEIGHT = 56, + SVGA_REG_MOB_MAX_SIZE = 57, + SVGA_REG_TOP = 58, /* Must be 1 more than the last register */ SVGA_PALETTE_BASE = 1024, /* Base of SVGA color map */ /* Next 768 (== 256*3) registers exist for colormap */ diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c index 9426c53fb48..1e80152674b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c @@ -551,8 +551,7 @@ static int vmw_context_scrub_shader(struct vmw_ctx_bindinfo *bi, bool rebind) cmd->header.size = sizeof(cmd->body); cmd->body.cid = bi->ctx->id; cmd->body.type = bi->i1.shader_type; - cmd->body.shid = - cpu_to_le32((rebind) ? bi->res->id : SVGA3D_INVALID_ID); + cmd->body.shid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); vmw_fifo_commit(dev_priv, sizeof(*cmd)); return 0; @@ -585,8 +584,7 @@ static int vmw_context_scrub_render_target(struct vmw_ctx_bindinfo *bi, cmd->header.size = sizeof(cmd->body); cmd->body.cid = bi->ctx->id; cmd->body.type = bi->i1.rt_type; - cmd->body.target.sid = - cpu_to_le32((rebind) ? bi->res->id : SVGA3D_INVALID_ID); + cmd->body.target.sid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); cmd->body.target.face = 0; cmd->body.target.mipmap = 0; vmw_fifo_commit(dev_priv, sizeof(*cmd)); @@ -628,8 +626,7 @@ static int vmw_context_scrub_texture(struct vmw_ctx_bindinfo *bi, cmd->body.c.cid = bi->ctx->id; cmd->body.s1.stage = bi->i1.texture_stage; cmd->body.s1.name = SVGA3D_TS_BIND_TEXTURE; - cmd->body.s1.value = - cpu_to_le32((rebind) ? bi->res->id : SVGA3D_INVALID_ID); + cmd->body.s1.value = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID); vmw_fifo_commit(dev_priv, sizeof(*cmd)); return 0; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 3bdc0adc656..0083cbf99ed 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -667,6 +667,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) dev_priv->memory_size = 512*1024*1024; } dev_priv->max_mob_pages = 0; + dev_priv->max_mob_size = 0; if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) { uint64_t mem_size = vmw_read(dev_priv, @@ -676,6 +677,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) dev_priv->prim_bb_mem = vmw_read(dev_priv, SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM); + dev_priv->max_mob_size = + vmw_read(dev_priv, SVGA_REG_MOB_MAX_SIZE); } else dev_priv->prim_bb_mem = dev_priv->vram_size; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index ecaa302a615..9e4be172598 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -386,6 +386,7 @@ struct vmw_private { uint32_t max_gmr_ids; uint32_t max_gmr_pages; uint32_t max_mob_pages; + uint32_t max_mob_size; uint32_t memory_size; bool has_gmr; bool has_mob; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 269b85cc875..efb575a7996 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -602,7 +602,7 @@ static int vmw_cmd_cid_check(struct vmw_private *dev_priv, { struct vmw_cid_cmd { SVGA3dCmdHeader header; - __le32 cid; + uint32_t cid; } *cmd; cmd = container_of(header, struct vmw_cid_cmd, header); @@ -1835,7 +1835,7 @@ static int vmw_cmd_check_not_3d(struct vmw_private *dev_priv, return 0; } -static const struct vmw_cmd_entry const vmw_cmd_entries[SVGA_3D_CMD_MAX] = { +static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = { VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DEFINE, &vmw_cmd_invalid, false, false, false), VMW_CMD_DEF(SVGA_3D_CMD_SURFACE_DESTROY, &vmw_cmd_invalid, @@ -2032,6 +2032,9 @@ static int vmw_cmd_check(struct vmw_private *dev_priv, goto out_invalid; entry = &vmw_cmd_entries[cmd_id]; + if (unlikely(!entry->func)) + goto out_invalid; + if (unlikely(!entry->user_allow && !sw_context->kernel)) goto out_privileged; @@ -2469,7 +2472,7 @@ int vmw_execbuf_process(struct drm_file *file_priv, if (dev_priv->has_mob) { ret = vmw_rebind_contexts(sw_context); if (unlikely(ret != 0)) - goto out_err; + goto out_unlock_binding; } cmd = vmw_fifo_reserve(dev_priv, command_size); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c index f9881f9e62b..47b70949bf3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -102,6 +102,9 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data, vmw_fp->gb_aware = true; param->value = dev_priv->max_mob_pages * PAGE_SIZE; break; + case DRM_VMW_PARAM_MAX_MOB_SIZE: + param->value = dev_priv->max_mob_size; + break; default: DRM_ERROR("Illegal vmwgfx get param request: %d\n", param->param); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c index 217d941b817..ee3856578a1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c @@ -371,13 +371,13 @@ int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, TTM_REF_USAGE); } -int vmw_shader_alloc(struct vmw_private *dev_priv, - struct vmw_dma_buffer *buffer, - size_t shader_size, - size_t offset, - SVGA3dShaderType shader_type, - struct ttm_object_file *tfile, - u32 *handle) +static int vmw_shader_alloc(struct vmw_private *dev_priv, + struct vmw_dma_buffer *buffer, + size_t shader_size, + size_t offset, + SVGA3dShaderType shader_type, + struct ttm_object_file *tfile, + u32 *handle) { struct vmw_user_shader *ushader; struct vmw_resource *res, *tmp; @@ -779,6 +779,8 @@ vmw_compat_shader_man_create(struct vmw_private *dev_priv) int ret; man = kzalloc(sizeof(*man), GFP_KERNEL); + if (man == NULL) + return ERR_PTR(-ENOMEM); man->dev_priv = dev_priv; INIT_LIST_HEAD(&man->list); diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 497558127bb..f822fd2a1ad 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -469,6 +469,9 @@ static const struct hid_device_id apple_devices[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, + USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS), + .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI), diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 3bfac3accd2..cc32a6f96c6 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1679,6 +1679,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, @@ -1779,6 +1780,8 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c index 8fae6d1414c..c24908f1493 100644 --- a/drivers/hid/hid-hyperv.c +++ b/drivers/hid/hid-hyperv.c @@ -157,6 +157,7 @@ struct mousevsc_dev { u32 report_desc_size; struct hv_input_dev_info hid_dev_info; struct hid_device *hid_device; + u8 input_buf[HID_MAX_BUFFER_SIZE]; }; @@ -256,6 +257,7 @@ static void mousevsc_on_receive(struct hv_device *device, struct synthhid_msg *hid_msg; struct mousevsc_dev *input_dev = hv_get_drvdata(device); struct synthhid_input_report *input_report; + size_t len; pipe_msg = (struct pipe_prt_msg *)((unsigned long)packet + (packet->offset8 << 3)); @@ -300,9 +302,12 @@ static void mousevsc_on_receive(struct hv_device *device, (struct synthhid_input_report *)pipe_msg->data; if (!input_dev->init_complete) break; - hid_input_report(input_dev->hid_device, - HID_INPUT_REPORT, input_report->buffer, - input_report->header.size, 1); + + len = min(input_report->header.size, + (u32)sizeof(input_dev->input_buf)); + memcpy(input_dev->input_buf, input_report->buffer, len); + hid_input_report(input_dev->hid_device, HID_INPUT_REPORT, + input_dev->input_buf, len, 1); break; default: pr_err("unsupported hid msg type - type %d len %d", diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 5a5248f2cc0..22f28d6b33a 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -135,6 +135,7 @@ #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS 0x023b #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI 0x0255 #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO 0x0256 +#define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS 0x0257 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI 0x0290 #define USB_DEVICE_ID_APPLE_WELLSPRING8_ISO 0x0291 #define USB_DEVICE_ID_APPLE_WELLSPRING8_JIS 0x0292 @@ -240,6 +241,7 @@ #define USB_VENDOR_ID_CYGNAL 0x10c4 #define USB_DEVICE_ID_CYGNAL_RADIO_SI470X 0x818a +#define USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH 0x81b9 #define USB_DEVICE_ID_CYGNAL_RADIO_SI4713 0x8244 @@ -451,6 +453,9 @@ #define USB_VENDOR_ID_INTEL_1 0x8087 #define USB_DEVICE_ID_INTEL_HID_SENSOR 0x09fa +#define USB_VENDOR_ID_STM_0 0x0483 +#define USB_DEVICE_ID_STM_HID_SENSOR 0x91d1 + #define USB_VENDOR_ID_ION 0x15e4 #define USB_DEVICE_ID_ICADE 0x0132 @@ -619,6 +624,8 @@ #define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713 #define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K 0x0730 #define USB_DEVICE_ID_MS_COMFORT_MOUSE_4500 0x076c +#define USB_DEVICE_ID_MS_TOUCH_COVER_2 0x07a7 +#define USB_DEVICE_ID_MS_TYPE_COVER_2 0x07a9 #define USB_VENDOR_ID_MOJO 0x8282 #define USB_DEVICE_ID_RETRO_ADAPTER 0x3201 @@ -644,6 +651,7 @@ #define USB_VENDOR_ID_NEXIO 0x1870 #define USB_DEVICE_ID_NEXIO_MULTITOUCH_420 0x010d +#define USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750 0x0110 #define USB_VENDOR_ID_NEXTWINDOW 0x1926 #define USB_DEVICE_ID_NEXTWINDOW_TOUCHSCREEN 0x0003 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index d50e7313b17..a713e621141 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1178,7 +1178,7 @@ static void hidinput_led_worker(struct work_struct *work) /* fall back to generic raw-output-report */ len = ((report->size - 1) >> 3) + 1 + (report->id > 0); - buf = kmalloc(len, GFP_KERNEL); + buf = hid_alloc_report_buf(report, GFP_KERNEL); if (!buf) return; diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index c6ef6eed309..404a3a8a82f 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -208,6 +208,10 @@ static const struct hid_device_id ms_devices[] = { .driver_data = MS_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500), .driver_data = MS_DUPLICATE_USAGES }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2), + .driver_data = 0 }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2), + .driver_data = 0 }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT), .driver_data = MS_PRESENTER }, diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index f134d73beca..221d503f1c2 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1166,6 +1166,11 @@ static const struct hid_device_id mt_devices[] = { MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, USB_DEVICE_ID_MULTITOUCH_3200) }, + /* FocalTech Panels */ + { .driver_data = MT_CLS_SERIAL, + MT_USB_DEVICE(USB_VENDOR_ID_CYGNAL, + USB_DEVICE_ID_FOCALTECH_FTXXXX_MULTITOUCH) }, + /* GeneralTouch panel */ { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 46f4480035b..9c22e14c57f 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -665,6 +665,9 @@ static const struct hid_device_id sensor_hub_devices[] = { { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_INTEL_1, USB_DEVICE_ID_INTEL_HID_SENSOR), .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, + { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, USB_VENDOR_ID_STM_0, + USB_DEVICE_ID_STM_HID_SENSOR), + .driver_data = HID_SENSOR_HUB_ENUM_QUIRK}, { HID_DEVICE(HID_BUS_ANY, HID_GROUP_SENSOR_HUB, HID_ANY_ID, HID_ANY_ID) }, { } diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index d1f81f52481..42eebd14de1 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -582,7 +582,7 @@ static void i2c_hid_request(struct hid_device *hid, struct hid_report *rep, int ret; int len = i2c_hid_get_report_length(rep) - 2; - buf = kzalloc(len, GFP_KERNEL); + buf = hid_alloc_report_buf(rep, GFP_KERNEL); if (!buf) return; diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 175ec0afb70..dbd83878ff9 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -74,6 +74,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET }, { USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS, HID_QUIRK_NOGET }, { USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GX680R_LED_PANEL, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_NEXIO, USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS }, diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index af6edf9b193..f2d7bf90c9f 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -67,7 +67,6 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, int ret = 0; struct vmbus_channel_initiate_contact *msg; unsigned long flags; - int t; init_completion(&msginfo->waitevent); @@ -78,6 +77,8 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, msg->interrupt_page = virt_to_phys(vmbus_connection.int_page); msg->monitor_page1 = virt_to_phys(vmbus_connection.monitor_pages[0]); msg->monitor_page2 = virt_to_phys(vmbus_connection.monitor_pages[1]); + if (version == VERSION_WIN8) + msg->target_vcpu = hv_context.vp_index[smp_processor_id()]; /* * Add to list before we send the request since we may @@ -100,15 +101,7 @@ static int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, } /* Wait for the connection response */ - t = wait_for_completion_timeout(&msginfo->waitevent, 5*HZ); - if (t == 0) { - spin_lock_irqsave(&vmbus_connection.channelmsg_lock, - flags); - list_del(&msginfo->msglistentry); - spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, - flags); - return -ETIMEDOUT; - } + wait_for_completion(&msginfo->waitevent); spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_del(&msginfo->msglistentry); diff --git a/drivers/hwmon/max1668.c b/drivers/hwmon/max1668.c index a7626358c95..029b65e6c58 100644 --- a/drivers/hwmon/max1668.c +++ b/drivers/hwmon/max1668.c @@ -243,7 +243,7 @@ static ssize_t set_temp_min(struct device *dev, data->temp_min[index] = clamp_val(temp/1000, -128, 127); if (i2c_smbus_write_byte_data(client, MAX1668_REG_LIML_WR(index), - data->temp_max[index])) + data->temp_min[index])) count = -EIO; mutex_unlock(&data->update_lock); diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index 8c23203915a..8a17f01e867 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -145,7 +145,7 @@ struct ntc_data { static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) { struct iio_channel *channel = pdata->chan; - unsigned int result; + s64 result; int val, ret; ret = iio_read_channel_raw(channel, &val); @@ -155,10 +155,10 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) } /* unit: mV */ - result = pdata->pullup_uv * val; + result = pdata->pullup_uv * (s64) val; result >>= 12; - return result; + return (int)result; } static const struct of_device_id ntc_match[] = { diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index b8c5187b9ee..d52d84937ad 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -97,7 +97,6 @@ enum { enum { MV64XXX_I2C_ACTION_INVALID, MV64XXX_I2C_ACTION_CONTINUE, - MV64XXX_I2C_ACTION_OFFLOAD_SEND_START, MV64XXX_I2C_ACTION_SEND_START, MV64XXX_I2C_ACTION_SEND_RESTART, MV64XXX_I2C_ACTION_OFFLOAD_RESTART, @@ -204,6 +203,9 @@ static int mv64xxx_i2c_offload_msg(struct mv64xxx_i2c_data *drv_data) unsigned long ctrl_reg; struct i2c_msg *msg = drv_data->msgs; + if (!drv_data->offload_enabled) + return -EOPNOTSUPP; + drv_data->msg = msg; drv_data->byte_posn = 0; drv_data->bytes_left = msg->len; @@ -433,8 +435,7 @@ mv64xxx_i2c_do_action(struct mv64xxx_i2c_data *drv_data) drv_data->msgs++; drv_data->num_msgs--; - if (!(drv_data->offload_enabled && - mv64xxx_i2c_offload_msg(drv_data))) { + if (mv64xxx_i2c_offload_msg(drv_data) < 0) { drv_data->cntl_bits |= MV64XXX_I2C_REG_CONTROL_START; writel(drv_data->cntl_bits, drv_data->reg_base + drv_data->reg_offsets.control); @@ -458,15 +459,14 @@ mv64xxx_i2c_do_action(struct mv64xxx_i2c_data *drv_data) drv_data->reg_base + drv_data->reg_offsets.control); break; - case MV64XXX_I2C_ACTION_OFFLOAD_SEND_START: - if (!mv64xxx_i2c_offload_msg(drv_data)) - break; - else - drv_data->action = MV64XXX_I2C_ACTION_SEND_START; - /* FALLTHRU */ case MV64XXX_I2C_ACTION_SEND_START: - writel(drv_data->cntl_bits | MV64XXX_I2C_REG_CONTROL_START, - drv_data->reg_base + drv_data->reg_offsets.control); + /* Can we offload this msg ? */ + if (mv64xxx_i2c_offload_msg(drv_data) < 0) { + /* No, switch to standard path */ + mv64xxx_i2c_prepare_for_io(drv_data, drv_data->msgs); + writel(drv_data->cntl_bits | MV64XXX_I2C_REG_CONTROL_START, + drv_data->reg_base + drv_data->reg_offsets.control); + } break; case MV64XXX_I2C_ACTION_SEND_ADDR_1: @@ -625,15 +625,10 @@ mv64xxx_i2c_execute_msg(struct mv64xxx_i2c_data *drv_data, struct i2c_msg *msg, unsigned long flags; spin_lock_irqsave(&drv_data->lock, flags); - if (drv_data->offload_enabled) { - drv_data->action = MV64XXX_I2C_ACTION_OFFLOAD_SEND_START; - drv_data->state = MV64XXX_I2C_STATE_WAITING_FOR_START_COND; - } else { - mv64xxx_i2c_prepare_for_io(drv_data, msg); - drv_data->action = MV64XXX_I2C_ACTION_SEND_START; - drv_data->state = MV64XXX_I2C_STATE_WAITING_FOR_START_COND; - } + drv_data->action = MV64XXX_I2C_ACTION_SEND_START; + drv_data->state = MV64XXX_I2C_STATE_WAITING_FOR_START_COND; + drv_data->send_stop = is_last; drv_data->block = 1; mv64xxx_i2c_do_action(drv_data); diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index 3bec9220df0..bfec313492b 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -447,14 +447,14 @@ static const struct iio_chan_spec_ext_info bma180_ext_info[] = { { }, }; -#define BMA180_CHANNEL(_index) { \ +#define BMA180_CHANNEL(_axis) { \ .type = IIO_ACCEL, \ - .indexed = 1, \ - .channel = (_index), \ + .modified = 1, \ + .channel2 = IIO_MOD_##_axis, \ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ BIT(IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY), \ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ - .scan_index = (_index), \ + .scan_index = AXIS_##_axis, \ .scan_type = { \ .sign = 's', \ .realbits = 14, \ @@ -465,10 +465,10 @@ static const struct iio_chan_spec_ext_info bma180_ext_info[] = { } static const struct iio_chan_spec bma180_channels[] = { - BMA180_CHANNEL(AXIS_X), - BMA180_CHANNEL(AXIS_Y), - BMA180_CHANNEL(AXIS_Z), - IIO_CHAN_SOFT_TIMESTAMP(4), + BMA180_CHANNEL(X), + BMA180_CHANNEL(Y), + BMA180_CHANNEL(Z), + IIO_CHAN_SOFT_TIMESTAMP(3), }; static irqreturn_t bma180_trigger_handler(int irq, void *p) diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c index e283f2f2ee2..360259266d4 100644 --- a/drivers/iio/adc/max1363.c +++ b/drivers/iio/adc/max1363.c @@ -1560,7 +1560,7 @@ static int max1363_probe(struct i2c_client *client, st->client = client; st->vref_uv = st->chip_info->int_vref_mv * 1000; - vref = devm_regulator_get(&client->dev, "vref"); + vref = devm_regulator_get_optional(&client->dev, "vref"); if (!IS_ERR(vref)) { int vref_uv; diff --git a/drivers/iio/imu/adis16400.h b/drivers/iio/imu/adis16400.h index 2f8f9d63238..0916bf6b6c3 100644 --- a/drivers/iio/imu/adis16400.h +++ b/drivers/iio/imu/adis16400.h @@ -189,6 +189,7 @@ enum { ADIS16300_SCAN_INCLI_X, ADIS16300_SCAN_INCLI_Y, ADIS16400_SCAN_ADC, + ADIS16400_SCAN_TIMESTAMP, }; #ifdef CONFIG_IIO_BUFFER diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c index 368660dfe13..7c582f7ae34 100644 --- a/drivers/iio/imu/adis16400_core.c +++ b/drivers/iio/imu/adis16400_core.c @@ -632,7 +632,7 @@ static const struct iio_chan_spec adis16400_channels[] = { ADIS16400_MAGN_CHAN(Z, ADIS16400_ZMAGN_OUT, 14), ADIS16400_TEMP_CHAN(ADIS16400_TEMP_OUT, 12), ADIS16400_AUX_ADC_CHAN(ADIS16400_AUX_ADC, 12), - IIO_CHAN_SOFT_TIMESTAMP(12) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static const struct iio_chan_spec adis16448_channels[] = { @@ -659,7 +659,7 @@ static const struct iio_chan_spec adis16448_channels[] = { }, }, ADIS16400_TEMP_CHAN(ADIS16448_TEMP_OUT, 12), - IIO_CHAN_SOFT_TIMESTAMP(11) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static const struct iio_chan_spec adis16350_channels[] = { @@ -677,7 +677,7 @@ static const struct iio_chan_spec adis16350_channels[] = { ADIS16400_MOD_TEMP_CHAN(X, ADIS16350_XTEMP_OUT, 12), ADIS16400_MOD_TEMP_CHAN(Y, ADIS16350_YTEMP_OUT, 12), ADIS16400_MOD_TEMP_CHAN(Z, ADIS16350_ZTEMP_OUT, 12), - IIO_CHAN_SOFT_TIMESTAMP(11) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static const struct iio_chan_spec adis16300_channels[] = { @@ -690,7 +690,7 @@ static const struct iio_chan_spec adis16300_channels[] = { ADIS16400_AUX_ADC_CHAN(ADIS16300_AUX_ADC, 12), ADIS16400_INCLI_CHAN(X, ADIS16300_PITCH_OUT, 13), ADIS16400_INCLI_CHAN(Y, ADIS16300_ROLL_OUT, 13), - IIO_CHAN_SOFT_TIMESTAMP(14) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static const struct iio_chan_spec adis16334_channels[] = { @@ -701,7 +701,7 @@ static const struct iio_chan_spec adis16334_channels[] = { ADIS16400_ACCEL_CHAN(Y, ADIS16400_YACCL_OUT, 14), ADIS16400_ACCEL_CHAN(Z, ADIS16400_ZACCL_OUT, 14), ADIS16400_TEMP_CHAN(ADIS16350_XTEMP_OUT, 12), - IIO_CHAN_SOFT_TIMESTAMP(8) + IIO_CHAN_SOFT_TIMESTAMP(ADIS16400_SCAN_TIMESTAMP), }; static struct attribute *adis16400_attributes[] = { diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c index 3d8110157f2..94daa9fc124 100644 --- a/drivers/iio/light/tsl2563.c +++ b/drivers/iio/light/tsl2563.c @@ -460,10 +460,14 @@ static int tsl2563_write_raw(struct iio_dev *indio_dev, { struct tsl2563_chip *chip = iio_priv(indio_dev); - if (chan->channel == IIO_MOD_LIGHT_BOTH) + if (mask != IIO_CHAN_INFO_CALIBSCALE) + return -EINVAL; + if (chan->channel2 == IIO_MOD_LIGHT_BOTH) chip->calib0 = calib_from_sysfs(val); - else + else if (chan->channel2 == IIO_MOD_LIGHT_IR) chip->calib1 = calib_from_sysfs(val); + else + return -EINVAL; return 0; } @@ -472,14 +476,14 @@ static int tsl2563_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, - long m) + long mask) { int ret = -EINVAL; u32 calib0, calib1; struct tsl2563_chip *chip = iio_priv(indio_dev); mutex_lock(&chip->lock); - switch (m) { + switch (mask) { case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_PROCESSED: switch (chan->type) { @@ -498,7 +502,7 @@ static int tsl2563_read_raw(struct iio_dev *indio_dev, ret = tsl2563_get_adc(chip); if (ret) goto error_ret; - if (chan->channel == 0) + if (chan->channel2 == IIO_MOD_LIGHT_BOTH) *val = chip->data0; else *val = chip->data1; @@ -510,7 +514,7 @@ static int tsl2563_read_raw(struct iio_dev *indio_dev, break; case IIO_CHAN_INFO_CALIBSCALE: - if (chan->channel == 0) + if (chan->channel2 == IIO_MOD_LIGHT_BOTH) *val = calib_to_sysfs(chip->calib0); else *val = calib_to_sysfs(chip->calib1); diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index ff284e5afd9..05423543f89 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -85,6 +85,7 @@ #define AK8975_MAX_CONVERSION_TIMEOUT 500 #define AK8975_CONVERSION_DONE_POLL_TIME 10 #define AK8975_DATA_READY_TIMEOUT ((100*HZ)/1000) +#define RAW_TO_GAUSS(asa) ((((asa) + 128) * 3000) / 256) /* * Per-instance context data for the device. @@ -265,15 +266,15 @@ static int ak8975_setup(struct i2c_client *client) * * Since 1uT = 0.01 gauss, our final scale factor becomes: * - * Hadj = H * ((ASA + 128) / 256) * 3/10 * 100 - * Hadj = H * ((ASA + 128) * 30 / 256 + * Hadj = H * ((ASA + 128) / 256) * 3/10 * 1/100 + * Hadj = H * ((ASA + 128) * 0.003) / 256 * * Since ASA doesn't change, we cache the resultant scale factor into the * device context in ak8975_setup(). */ - data->raw_to_gauss[0] = ((data->asa[0] + 128) * 30) >> 8; - data->raw_to_gauss[1] = ((data->asa[1] + 128) * 30) >> 8; - data->raw_to_gauss[2] = ((data->asa[2] + 128) * 30) >> 8; + data->raw_to_gauss[0] = RAW_TO_GAUSS(data->asa[0]); + data->raw_to_gauss[1] = RAW_TO_GAUSS(data->asa[1]); + data->raw_to_gauss[2] = RAW_TO_GAUSS(data->asa[2]); return 0; } @@ -428,8 +429,9 @@ static int ak8975_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_RAW: return ak8975_read_axis(indio_dev, chan->address, val); case IIO_CHAN_INFO_SCALE: - *val = data->raw_to_gauss[chan->address]; - return IIO_VAL_INT; + *val = 0; + *val2 = data->raw_to_gauss[chan->address]; + return IIO_VAL_INT_PLUS_MICRO; } return -EINVAL; } diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c index 4b65b6d3bdb..f66955fb350 100644 --- a/drivers/iio/magnetometer/mag3110.c +++ b/drivers/iio/magnetometer/mag3110.c @@ -106,7 +106,7 @@ static ssize_t mag3110_show_int_plus_micros(char *buf, while (n-- > 0) len += scnprintf(buf + len, PAGE_SIZE - len, - "%d.%d ", vals[n][0], vals[n][1]); + "%d.%06d ", vals[n][0], vals[n][1]); /* replace trailing space by newline */ buf[len - 1] = '\n'; @@ -154,6 +154,9 @@ static int mag3110_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: + if (iio_buffer_enabled(indio_dev)) + return -EBUSY; + switch (chan->type) { case IIO_MAGN: /* in 0.1 uT / LSB */ ret = mag3110_read(data, buffer); @@ -199,6 +202,9 @@ static int mag3110_write_raw(struct iio_dev *indio_dev, struct mag3110_data *data = iio_priv(indio_dev); int rate; + if (iio_buffer_enabled(indio_dev)) + return -EBUSY; + switch (mask) { case IIO_CHAN_INFO_SAMP_FREQ: rate = mag3110_get_samp_freq_index(data, val, val2); diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c index d53cf519f42..00400c352c1 100644 --- a/drivers/infiniband/hw/amso1100/c2.c +++ b/drivers/infiniband/hw/amso1100/c2.c @@ -1082,6 +1082,7 @@ static int c2_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) /* Initialize network device */ if ((netdev = c2_devinit(c2dev, mmio_regs)) == NULL) { + ret = -ENOMEM; iounmap(mmio_regs); goto bail4; } @@ -1151,7 +1152,8 @@ static int c2_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) goto bail10; } - if (c2_register_device(c2dev)) + ret = c2_register_device(c2dev); + if (ret) goto bail10; return 0; diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c index b7c98699005..d2a6d961344 100644 --- a/drivers/infiniband/hw/amso1100/c2_rnic.c +++ b/drivers/infiniband/hw/amso1100/c2_rnic.c @@ -576,7 +576,8 @@ int c2_rnic_init(struct c2_dev *c2dev) goto bail4; /* Initialize cached the adapter limits */ - if (c2_rnic_query(c2dev, &c2dev->props)) + err = c2_rnic_query(c2dev, &c2dev->props); + if (err) goto bail5; /* Initialize the PD pool */ diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 45126879ad2..d286bdebe2a 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -3352,6 +3352,7 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb) goto free_dst; } + neigh_release(neigh); step = dev->rdev.lldi.nrxq / dev->rdev.lldi.nchan; rss_qid = dev->rdev.lldi.rxq_ids[pi->port_id * step]; window = (__force u16) htons((__force u16)tcph->window); diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index c2702f549f1..e81c5547e64 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -347,7 +347,7 @@ static int eth_link_query_port(struct ib_device *ibdev, u8 port, props->active_width = (((u8 *)mailbox->buf)[5] == 0x40) ? IB_WIDTH_4X : IB_WIDTH_1X; props->active_speed = IB_SPEED_QDR; - props->port_cap_flags = IB_PORT_CM_SUP; + props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_IP_BASED_GIDS; props->gid_tbl_len = mdev->dev->caps.gid_table_len[port]; props->max_msg_sz = mdev->dev->caps.max_msg_sz; props->pkey_tbl_len = 1; @@ -1357,6 +1357,21 @@ static struct device_attribute *mlx4_class_attributes[] = { &dev_attr_board_id }; +static void mlx4_addrconf_ifid_eui48(u8 *eui, u16 vlan_id, + struct net_device *dev) +{ + memcpy(eui, dev->dev_addr, 3); + memcpy(eui + 5, dev->dev_addr + 3, 3); + if (vlan_id < 0x1000) { + eui[3] = vlan_id >> 8; + eui[4] = vlan_id & 0xff; + } else { + eui[3] = 0xff; + eui[4] = 0xfe; + } + eui[0] ^= 2; +} + static void update_gids_task(struct work_struct *work) { struct update_gid_work *gw = container_of(work, struct update_gid_work, work); @@ -1393,7 +1408,6 @@ static void reset_gids_task(struct work_struct *work) struct mlx4_cmd_mailbox *mailbox; union ib_gid *gids; int err; - int i; struct mlx4_dev *dev = gw->dev->dev; mailbox = mlx4_alloc_cmd_mailbox(dev); @@ -1405,18 +1419,16 @@ static void reset_gids_task(struct work_struct *work) gids = mailbox->buf; memcpy(gids, gw->gids, sizeof(gw->gids)); - for (i = 1; i < gw->dev->num_ports + 1; i++) { - if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, i) == - IB_LINK_LAYER_ETHERNET) { - err = mlx4_cmd(dev, mailbox->dma, - MLX4_SET_PORT_GID_TABLE << 8 | i, - 1, MLX4_CMD_SET_PORT, - MLX4_CMD_TIME_CLASS_B, - MLX4_CMD_WRAPPED); - if (err) - pr_warn(KERN_WARNING - "set port %d command failed\n", i); - } + if (mlx4_ib_port_link_layer(&gw->dev->ib_dev, gw->port) == + IB_LINK_LAYER_ETHERNET) { + err = mlx4_cmd(dev, mailbox->dma, + MLX4_SET_PORT_GID_TABLE << 8 | gw->port, + 1, MLX4_CMD_SET_PORT, + MLX4_CMD_TIME_CLASS_B, + MLX4_CMD_WRAPPED); + if (err) + pr_warn(KERN_WARNING + "set port %d command failed\n", gw->port); } mlx4_free_cmd_mailbox(dev, mailbox); @@ -1425,7 +1437,8 @@ free: } static int update_gid_table(struct mlx4_ib_dev *dev, int port, - union ib_gid *gid, int clear) + union ib_gid *gid, int clear, + int default_gid) { struct update_gid_work *work; int i; @@ -1434,26 +1447,31 @@ static int update_gid_table(struct mlx4_ib_dev *dev, int port, int found = -1; int max_gids; - max_gids = dev->dev->caps.gid_table_len[port]; - for (i = 0; i < max_gids; ++i) { - if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, - sizeof(*gid))) - found = i; - - if (clear) { - if (found >= 0) { - need_update = 1; - dev->iboe.gid_table[port - 1][found] = zgid; - break; - } - } else { - if (found >= 0) - break; - - if (free < 0 && - !memcmp(&dev->iboe.gid_table[port - 1][i], &zgid, + if (default_gid) { + free = 0; + } else { + max_gids = dev->dev->caps.gid_table_len[port]; + for (i = 1; i < max_gids; ++i) { + if (!memcmp(&dev->iboe.gid_table[port - 1][i], gid, sizeof(*gid))) - free = i; + found = i; + + if (clear) { + if (found >= 0) { + need_update = 1; + dev->iboe.gid_table[port - 1][found] = + zgid; + break; + } + } else { + if (found >= 0) + break; + + if (free < 0 && + !memcmp(&dev->iboe.gid_table[port - 1][i], + &zgid, sizeof(*gid))) + free = i; + } } } @@ -1478,18 +1496,26 @@ static int update_gid_table(struct mlx4_ib_dev *dev, int port, return 0; } -static int reset_gid_table(struct mlx4_ib_dev *dev) +static void mlx4_make_default_gid(struct net_device *dev, union ib_gid *gid) { - struct update_gid_work *work; + gid->global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); + mlx4_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev); +} + +static int reset_gid_table(struct mlx4_ib_dev *dev, u8 port) +{ + struct update_gid_work *work; work = kzalloc(sizeof(*work), GFP_ATOMIC); if (!work) return -ENOMEM; - memset(dev->iboe.gid_table, 0, sizeof(dev->iboe.gid_table)); + + memset(dev->iboe.gid_table[port - 1], 0, sizeof(work->gids)); memset(work->gids, 0, sizeof(work->gids)); INIT_WORK(&work->work, reset_gids_task); work->dev = dev; + work->port = port; queue_work(wq, &work->work); return 0; } @@ -1502,6 +1528,12 @@ static int mlx4_ib_addr_event(int event, struct net_device *event_netdev, struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ? rdma_vlan_dev_real_dev(event_netdev) : event_netdev; + union ib_gid default_gid; + + mlx4_make_default_gid(real_dev, &default_gid); + + if (!memcmp(gid, &default_gid, sizeof(*gid))) + return 0; if (event != NETDEV_DOWN && event != NETDEV_UP) return 0; @@ -1520,7 +1552,7 @@ static int mlx4_ib_addr_event(int event, struct net_device *event_netdev, (!netif_is_bond_master(real_dev) && (real_dev == iboe->netdevs[port - 1]))) update_gid_table(ibdev, port, gid, - event == NETDEV_DOWN); + event == NETDEV_DOWN, 0); spin_unlock(&iboe->lock); return 0; @@ -1536,7 +1568,6 @@ static u8 mlx4_ib_get_dev_port(struct net_device *dev, rdma_vlan_dev_real_dev(dev) : dev; iboe = &ibdev->iboe; - spin_lock(&iboe->lock); for (port = 1; port <= MLX4_MAX_PORTS; ++port) if ((netif_is_bond_master(real_dev) && @@ -1545,8 +1576,6 @@ static u8 mlx4_ib_get_dev_port(struct net_device *dev, (real_dev == iboe->netdevs[port - 1]))) break; - spin_unlock(&iboe->lock); - if ((port == 0) || (port > MLX4_MAX_PORTS)) return 0; else @@ -1607,7 +1636,7 @@ static void mlx4_ib_get_dev_addr(struct net_device *dev, /*ifa->ifa_address;*/ ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid); - update_gid_table(ibdev, port, &gid, 0); + update_gid_table(ibdev, port, &gid, 0, 0); } endfor_ifa(in_dev); in_dev_put(in_dev); @@ -1619,7 +1648,7 @@ static void mlx4_ib_get_dev_addr(struct net_device *dev, read_lock_bh(&in6_dev->lock); list_for_each_entry(ifp, &in6_dev->addr_list, if_list) { pgid = (union ib_gid *)&ifp->addr; - update_gid_table(ibdev, port, pgid, 0); + update_gid_table(ibdev, port, pgid, 0, 0); } read_unlock_bh(&in6_dev->lock); in6_dev_put(in6_dev); @@ -1627,14 +1656,26 @@ static void mlx4_ib_get_dev_addr(struct net_device *dev, #endif } +static void mlx4_ib_set_default_gid(struct mlx4_ib_dev *ibdev, + struct net_device *dev, u8 port) +{ + union ib_gid gid; + mlx4_make_default_gid(dev, &gid); + update_gid_table(ibdev, port, &gid, 0, 1); +} + static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) { struct net_device *dev; + struct mlx4_ib_iboe *iboe = &ibdev->iboe; + int i; - if (reset_gid_table(ibdev)) - return -1; + for (i = 1; i <= ibdev->num_ports; ++i) + if (reset_gid_table(ibdev, i)) + return -1; read_lock(&dev_base_lock); + spin_lock(&iboe->lock); for_each_netdev(&init_net, dev) { u8 port = mlx4_ib_get_dev_port(dev, ibdev); @@ -1642,6 +1683,7 @@ static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev) mlx4_ib_get_dev_addr(dev, ibdev, port); } + spin_unlock(&iboe->lock); read_unlock(&dev_base_lock); return 0; @@ -1656,25 +1698,57 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev) spin_lock(&iboe->lock); mlx4_foreach_ib_transport_port(port, ibdev->dev) { + enum ib_port_state port_state = IB_PORT_NOP; struct net_device *old_master = iboe->masters[port - 1]; + struct net_device *curr_netdev; struct net_device *curr_master; + iboe->netdevs[port - 1] = mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port); + if (iboe->netdevs[port - 1]) + mlx4_ib_set_default_gid(ibdev, + iboe->netdevs[port - 1], port); + curr_netdev = iboe->netdevs[port - 1]; if (iboe->netdevs[port - 1] && netif_is_bond_slave(iboe->netdevs[port - 1])) { - rtnl_lock(); iboe->masters[port - 1] = netdev_master_upper_dev_get( iboe->netdevs[port - 1]); - rtnl_unlock(); + } else { + iboe->masters[port - 1] = NULL; } curr_master = iboe->masters[port - 1]; + if (curr_netdev) { + port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ? + IB_PORT_ACTIVE : IB_PORT_DOWN; + mlx4_ib_set_default_gid(ibdev, curr_netdev, port); + } else { + reset_gid_table(ibdev, port); + } + /* if using bonding/team and a slave port is down, we don't the bond IP + * based gids in the table since flows that select port by gid may get + * the down port. + */ + if (curr_master && (port_state == IB_PORT_DOWN)) { + reset_gid_table(ibdev, port); + mlx4_ib_set_default_gid(ibdev, curr_netdev, port); + } /* if bonding is used it is possible that we add it to masters - only after IP address is assigned to the net bonding - interface */ - if (curr_master && (old_master != curr_master)) + * only after IP address is assigned to the net bonding + * interface. + */ + if (curr_master && (old_master != curr_master)) { + reset_gid_table(ibdev, port); + mlx4_ib_set_default_gid(ibdev, curr_netdev, port); mlx4_ib_get_dev_addr(curr_master, ibdev, port); + } + + if (!curr_master && (old_master != curr_master)) { + reset_gid_table(ibdev, port); + mlx4_ib_set_default_gid(ibdev, curr_netdev, port); + mlx4_ib_get_dev_addr(curr_netdev, ibdev, port); + } } spin_unlock(&iboe->lock); @@ -1810,6 +1884,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) int i, j; int err; struct mlx4_ib_iboe *iboe; + int ib_num_ports = 0; pr_info_once("%s", mlx4_ib_version); @@ -1985,10 +2060,14 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->counters[i] = -1; } + mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) + ib_num_ports++; + spin_lock_init(&ibdev->sm_lock); mutex_init(&ibdev->cap_mask_mutex); - if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) { + if (ibdev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED && + ib_num_ports) { ibdev->steer_qpn_count = MLX4_IB_UC_MAX_NUM_QPS; err = mlx4_qp_reserve_range(dev, ibdev->steer_qpn_count, MLX4_IB_UC_STEER_QPN_ALIGN, @@ -2051,7 +2130,11 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) } } #endif + for (i = 1 ; i <= ibdev->num_ports ; ++i) + reset_gid_table(ibdev, i); + rtnl_lock(); mlx4_ib_scan_netdevs(ibdev); + rtnl_unlock(); mlx4_ib_init_gid_table(ibdev); } diff --git a/drivers/infiniband/hw/mlx5/Kconfig b/drivers/infiniband/hw/mlx5/Kconfig index 8e6aebfaf8a..10df386c634 100644 --- a/drivers/infiniband/hw/mlx5/Kconfig +++ b/drivers/infiniband/hw/mlx5/Kconfig @@ -1,6 +1,6 @@ config MLX5_INFINIBAND tristate "Mellanox Connect-IB HCA support" - depends on NETDEVICES && ETHERNET && PCI && X86 + depends on NETDEVICES && ETHERNET && PCI select NET_VENDOR_MELLANOX select MLX5_CORE ---help--- diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 9660d093f8c..aa03e732b6a 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -261,8 +261,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | IB_DEVICE_PORT_ACTIVE_EVENT | IB_DEVICE_SYS_IMAGE_GUID | - IB_DEVICE_RC_RNR_NAK_GEN | - IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; + IB_DEVICE_RC_RNR_NAK_GEN; flags = dev->mdev.caps.flags; if (flags & MLX5_DEV_CAP_FLAG_BAD_PKEY_CNTR) props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; @@ -536,24 +535,38 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, struct ib_udata *udata) { struct mlx5_ib_dev *dev = to_mdev(ibdev); - struct mlx5_ib_alloc_ucontext_req req; + struct mlx5_ib_alloc_ucontext_req_v2 req; struct mlx5_ib_alloc_ucontext_resp resp; struct mlx5_ib_ucontext *context; struct mlx5_uuar_info *uuari; struct mlx5_uar *uars; int gross_uuars; int num_uars; + int ver; int uuarn; int err; int i; + int reqlen; if (!dev->ib_active) return ERR_PTR(-EAGAIN); - err = ib_copy_from_udata(&req, udata, sizeof(req)); + memset(&req, 0, sizeof(req)); + reqlen = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr); + if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) + ver = 0; + else if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req_v2)) + ver = 2; + else + return ERR_PTR(-EINVAL); + + err = ib_copy_from_udata(&req, udata, reqlen); if (err) return ERR_PTR(err); + if (req.flags || req.reserved) + return ERR_PTR(-EINVAL); + if (req.total_num_uuars > MLX5_MAX_UUARS) return ERR_PTR(-ENOMEM); @@ -626,6 +639,7 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, if (err) goto out_uars; + uuari->ver = ver; uuari->num_low_latency_uuars = req.num_low_latency_uuars; uuari->uars = uars; uuari->num_uars = num_uars; diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index ae37fb9bf26..7dfe8a1c84c 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -216,7 +216,9 @@ static int sq_overhead(enum ib_qp_type qp_type) case IB_QPT_UC: size += sizeof(struct mlx5_wqe_ctrl_seg) + - sizeof(struct mlx5_wqe_raddr_seg); + sizeof(struct mlx5_wqe_raddr_seg) + + sizeof(struct mlx5_wqe_umr_ctrl_seg) + + sizeof(struct mlx5_mkey_seg); break; case IB_QPT_UD: @@ -428,11 +430,17 @@ static int alloc_uuar(struct mlx5_uuar_info *uuari, break; case MLX5_IB_LATENCY_CLASS_MEDIUM: - uuarn = alloc_med_class_uuar(uuari); + if (uuari->ver < 2) + uuarn = -ENOMEM; + else + uuarn = alloc_med_class_uuar(uuari); break; case MLX5_IB_LATENCY_CLASS_HIGH: - uuarn = alloc_high_class_uuar(uuari); + if (uuari->ver < 2) + uuarn = -ENOMEM; + else + uuarn = alloc_high_class_uuar(uuari); break; case MLX5_IB_LATENCY_CLASS_FAST_PATH: @@ -657,8 +665,8 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, int err; uuari = &dev->mdev.priv.uuari; - if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) - qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK; + if (init_attr->create_flags) + return -EINVAL; if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR) lc = MLX5_IB_LATENCY_CLASS_FAST_PATH; diff --git a/drivers/infiniband/hw/mlx5/user.h b/drivers/infiniband/hw/mlx5/user.h index 32a2a5dfc52..0f4f8e42a17 100644 --- a/drivers/infiniband/hw/mlx5/user.h +++ b/drivers/infiniband/hw/mlx5/user.h @@ -62,6 +62,13 @@ struct mlx5_ib_alloc_ucontext_req { __u32 num_low_latency_uuars; }; +struct mlx5_ib_alloc_ucontext_req_v2 { + __u32 total_num_uuars; + __u32 num_low_latency_uuars; + __u32 flags; + __u32 reserved; +}; + struct mlx5_ib_alloc_ucontext_resp { __u32 qp_tab_size; __u32 bf_reg_size; diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c index 429141078ee..353c7b05a90 100644 --- a/drivers/infiniband/hw/nes/nes.c +++ b/drivers/infiniband/hw/nes/nes.c @@ -675,8 +675,11 @@ static int nes_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) INIT_DELAYED_WORK(&nesdev->work, nes_recheck_link_status); /* Initialize network devices */ - if ((netdev = nes_netdev_init(nesdev, mmio_regs)) == NULL) + netdev = nes_netdev_init(nesdev, mmio_regs); + if (netdev == NULL) { + ret = -ENOMEM; goto bail7; + } /* Register network device */ ret = register_netdev(netdev); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c index 2ca86ca818b..1a8a945efa6 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c @@ -127,7 +127,7 @@ static int ocrdma_addr_event(unsigned long event, struct net_device *netdev, is_vlan = netdev->priv_flags & IFF_802_1Q_VLAN; if (is_vlan) - netdev = vlan_dev_real_dev(netdev); + netdev = rdma_vlan_dev_real_dev(netdev); rcu_read_lock(); list_for_each_entry_rcu(dev, &ocrdma_dev_list, entry) { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index aa92f40c9d5..e0cc201be41 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -176,7 +176,7 @@ int ocrdma_query_port(struct ib_device *ibdev, props->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_REINIT_SUP | - IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP; + IB_PORT_DEVICE_MGMT_SUP | IB_PORT_VENDOR_CLASS_SUP | IB_PORT_IP_BASED_GIDS; props->gid_tbl_len = OCRDMA_MAX_SGID; props->pkey_tbl_len = 1; props->bad_pkey_cntr = 0; @@ -1416,7 +1416,7 @@ int ocrdma_query_qp(struct ib_qp *ibqp, OCRDMA_QP_PARAMS_HOP_LMT_MASK) >> OCRDMA_QP_PARAMS_HOP_LMT_SHIFT; qp_attr->ah_attr.grh.traffic_class = (params.tclass_sq_psn & - OCRDMA_QP_PARAMS_SQ_PSN_MASK) >> + OCRDMA_QP_PARAMS_TCLASS_MASK) >> OCRDMA_QP_PARAMS_TCLASS_SHIFT; qp_attr->ah_attr.ah_flags = IB_AH_GRH; diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 5bfc02f450e..d1bd21319d7 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -2395,6 +2395,11 @@ static int qib_7322_bringup_serdes(struct qib_pportdata *ppd) qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a); qib_write_kreg(dd, kr_scratch, 0ULL); + /* ensure previous Tx parameters are not still forced */ + qib_write_kreg_port(ppd, krp_tx_deemph_override, + SYM_MASK(IBSD_TX_DEEMPHASIS_OVERRIDE_0, + reset_tx_deemphasis_override)); + if (qib_compat_ddr_negotiate) { ppd->cpspec->ibdeltainprog = 1; ppd->cpspec->ibsymsnap = read_7322_creg32_port(ppd, diff --git a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c index 7ecc6061f1f..f8dfd76be89 100644 --- a/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c +++ b/drivers/infiniband/hw/usnic/usnic_ib_qp_grp.c @@ -629,6 +629,7 @@ static int qp_grp_id_from_flow(struct usnic_ib_qp_grp_flow *qp_flow, { enum usnic_transport_type trans_type = qp_flow->trans_type; int err; + uint16_t port_num = 0; switch (trans_type) { case USNIC_TRANSPORT_ROCE_CUSTOM: @@ -637,9 +638,15 @@ static int qp_grp_id_from_flow(struct usnic_ib_qp_grp_flow *qp_flow, case USNIC_TRANSPORT_IPV4_UDP: err = usnic_transport_sock_get_addr(qp_flow->udp.sock, NULL, NULL, - (uint16_t *) id); + &port_num); if (err) return err; + /* + * Copy port_num to stack first and then to *id, + * so that the short to int cast works for little + * and big endian systems. + */ + *id = port_num; break; default: usnic_err("Unsupported transport %u\n", trans_type); diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 538822684d5..334f34b1cd4 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -610,11 +610,12 @@ void iser_snd_completion(struct iser_tx_desc *tx_desc, ib_dma_unmap_single(device->ib_device, tx_desc->dma_addr, ISER_HEADERS_LEN, DMA_TO_DEVICE); kmem_cache_free(ig.desc_cache, tx_desc); + tx_desc = NULL; } atomic_dec(&ib_conn->post_send_buf_count); - if (tx_desc->type == ISCSI_TX_CONTROL) { + if (tx_desc && tx_desc->type == ISCSI_TX_CONTROL) { /* this arithmetic is legal by libiscsi dd_data allocation */ task = (void *) ((long)(void *)tx_desc - sizeof(struct iscsi_task)); diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index afe95674008..ca37edef279 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -652,9 +652,13 @@ static int iser_disconnected_handler(struct rdma_cm_id *cma_id) /* getting here when the state is UP means that the conn is being * * terminated asynchronously from the iSCSI layer's perspective. */ if (iser_conn_state_comp_exch(ib_conn, ISER_CONN_UP, - ISER_CONN_TERMINATING)) - iscsi_conn_failure(ib_conn->iser_conn->iscsi_conn, - ISCSI_ERR_CONN_FAILED); + ISER_CONN_TERMINATING)){ + if (ib_conn->iser_conn) + iscsi_conn_failure(ib_conn->iser_conn->iscsi_conn, + ISCSI_ERR_CONN_FAILED); + else + iser_err("iscsi_iser connection isn't bound\n"); + } /* Complete the termination process if no posts are pending */ if (ib_conn->post_recv_buf_count == 0 && diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 2b161be3c1a..d18d08a076e 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -453,6 +453,7 @@ isert_conn_create_fastreg_pool(struct isert_conn *isert_conn) if (ret) { pr_err("Failed to create fastreg descriptor err=%d\n", ret); + kfree(fr_desc); goto err; } diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 520a7e5a490..0e537d8d0e4 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -3666,9 +3666,9 @@ static ssize_t srpt_tpg_attrib_store_srp_max_rdma_size( unsigned long val; int ret; - ret = strict_strtoul(page, 0, &val); + ret = kstrtoul(page, 0, &val); if (ret < 0) { - pr_err("strict_strtoul() failed with ret: %d\n", ret); + pr_err("kstrtoul() failed with ret: %d\n", ret); return -EINVAL; } if (val > MAX_SRPT_RDMA_SIZE) { @@ -3706,9 +3706,9 @@ static ssize_t srpt_tpg_attrib_store_srp_max_rsp_size( unsigned long val; int ret; - ret = strict_strtoul(page, 0, &val); + ret = kstrtoul(page, 0, &val); if (ret < 0) { - pr_err("strict_strtoul() failed with ret: %d\n", ret); + pr_err("kstrtoul() failed with ret: %d\n", ret); return -EINVAL; } if (val > MAX_SRPT_RSP_SIZE) { @@ -3746,9 +3746,9 @@ static ssize_t srpt_tpg_attrib_store_srp_sq_size( unsigned long val; int ret; - ret = strict_strtoul(page, 0, &val); + ret = kstrtoul(page, 0, &val); if (ret < 0) { - pr_err("strict_strtoul() failed with ret: %d\n", ret); + pr_err("kstrtoul() failed with ret: %d\n", ret); return -EINVAL; } if (val > MAX_SRPT_SRQ_SIZE) { @@ -3793,7 +3793,7 @@ static ssize_t srpt_tpg_store_enable( unsigned long tmp; int ret; - ret = strict_strtoul(page, 0, &tmp); + ret = kstrtoul(page, 0, &tmp); if (ret < 0) { printk(KERN_ERR "Unable to extract srpt_tpg_store_enable\n"); return -EINVAL; diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 8911850c944..1d9ab39af29 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -79,7 +79,6 @@ #define ARM_SMMU_PTE_CONT_SIZE (PAGE_SIZE * ARM_SMMU_PTE_CONT_ENTRIES) #define ARM_SMMU_PTE_CONT_MASK (~(ARM_SMMU_PTE_CONT_SIZE - 1)) -#define ARM_SMMU_PTE_HWTABLE_SIZE (PTRS_PER_PTE * sizeof(pte_t)) /* Stage-1 PTE */ #define ARM_SMMU_PTE_AP_UNPRIV (((pteval_t)1) << 6) @@ -191,6 +190,9 @@ #define ARM_SMMU_GR1_CBAR(n) (0x0 + ((n) << 2)) #define CBAR_VMID_SHIFT 0 #define CBAR_VMID_MASK 0xff +#define CBAR_S1_BPSHCFG_SHIFT 8 +#define CBAR_S1_BPSHCFG_MASK 3 +#define CBAR_S1_BPSHCFG_NSH 3 #define CBAR_S1_MEMATTR_SHIFT 12 #define CBAR_S1_MEMATTR_MASK 0xf #define CBAR_S1_MEMATTR_WB 0xf @@ -393,7 +395,7 @@ struct arm_smmu_domain { struct arm_smmu_cfg root_cfg; phys_addr_t output_mask; - struct mutex lock; + spinlock_t lock; }; static DEFINE_SPINLOCK(arm_smmu_devices_lock); @@ -632,6 +634,28 @@ static irqreturn_t arm_smmu_global_fault(int irq, void *dev) return IRQ_HANDLED; } +static void arm_smmu_flush_pgtable(struct arm_smmu_device *smmu, void *addr, + size_t size) +{ + unsigned long offset = (unsigned long)addr & ~PAGE_MASK; + + + /* Ensure new page tables are visible to the hardware walker */ + if (smmu->features & ARM_SMMU_FEAT_COHERENT_WALK) { + dsb(); + } else { + /* + * If the SMMU can't walk tables in the CPU caches, treat them + * like non-coherent DMA since we need to flush the new entries + * all the way out to memory. There's no possibility of + * recursion here as the SMMU table walker will not be wired + * through another SMMU. + */ + dma_map_page(smmu->dev, virt_to_page(addr), offset, size, + DMA_TO_DEVICE); + } +} + static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain) { u32 reg; @@ -650,11 +674,16 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain) if (smmu->version == 1) reg |= root_cfg->irptndx << CBAR_IRPTNDX_SHIFT; - /* Use the weakest memory type, so it is overridden by the pte */ - if (stage1) - reg |= (CBAR_S1_MEMATTR_WB << CBAR_S1_MEMATTR_SHIFT); - else + /* + * Use the weakest shareability/memory types, so they are + * overridden by the ttbcr/pte. + */ + if (stage1) { + reg |= (CBAR_S1_BPSHCFG_NSH << CBAR_S1_BPSHCFG_SHIFT) | + (CBAR_S1_MEMATTR_WB << CBAR_S1_MEMATTR_SHIFT); + } else { reg |= ARM_SMMU_CB_VMID(root_cfg) << CBAR_VMID_SHIFT; + } writel_relaxed(reg, gr1_base + ARM_SMMU_GR1_CBAR(root_cfg->cbndx)); if (smmu->version > 1) { @@ -715,6 +744,8 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain) } /* TTBR0 */ + arm_smmu_flush_pgtable(smmu, root_cfg->pgd, + PTRS_PER_PGD * sizeof(pgd_t)); reg = __pa(root_cfg->pgd); writel_relaxed(reg, cb_base + ARM_SMMU_CB_TTBR0_LO); reg = (phys_addr_t)__pa(root_cfg->pgd) >> 32; @@ -901,7 +932,7 @@ static int arm_smmu_domain_init(struct iommu_domain *domain) goto out_free_domain; smmu_domain->root_cfg.pgd = pgd; - mutex_init(&smmu_domain->lock); + spin_lock_init(&smmu_domain->lock); domain->priv = smmu_domain; return 0; @@ -1128,6 +1159,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) struct arm_smmu_domain *smmu_domain = domain->priv; struct arm_smmu_device *device_smmu = dev->archdata.iommu; struct arm_smmu_master *master; + unsigned long flags; if (!device_smmu) { dev_err(dev, "cannot attach to SMMU, is it on the same bus?\n"); @@ -1138,7 +1170,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) * Sanity check the domain. We don't currently support domains * that cross between different SMMU chains. */ - mutex_lock(&smmu_domain->lock); + spin_lock_irqsave(&smmu_domain->lock, flags); if (!smmu_domain->leaf_smmu) { /* Now that we have a master, we can finalise the domain */ ret = arm_smmu_init_domain_context(domain, dev); @@ -1153,7 +1185,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) dev_name(device_smmu->dev)); goto err_unlock; } - mutex_unlock(&smmu_domain->lock); + spin_unlock_irqrestore(&smmu_domain->lock, flags); /* Looks ok, so add the device to the domain */ master = find_smmu_master(smmu_domain->leaf_smmu, dev->of_node); @@ -1163,7 +1195,7 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) return arm_smmu_domain_add_master(smmu_domain, master); err_unlock: - mutex_unlock(&smmu_domain->lock); + spin_unlock_irqrestore(&smmu_domain->lock, flags); return ret; } @@ -1177,23 +1209,6 @@ static void arm_smmu_detach_dev(struct iommu_domain *domain, struct device *dev) arm_smmu_domain_remove_master(smmu_domain, master); } -static void arm_smmu_flush_pgtable(struct arm_smmu_device *smmu, void *addr, - size_t size) -{ - unsigned long offset = (unsigned long)addr & ~PAGE_MASK; - - /* - * If the SMMU can't walk tables in the CPU caches, treat them - * like non-coherent DMA since we need to flush the new entries - * all the way out to memory. There's no possibility of recursion - * here as the SMMU table walker will not be wired through another - * SMMU. - */ - if (!(smmu->features & ARM_SMMU_FEAT_COHERENT_WALK)) - dma_map_page(smmu->dev, virt_to_page(addr), offset, size, - DMA_TO_DEVICE); -} - static bool arm_smmu_pte_is_contiguous_range(unsigned long addr, unsigned long end) { @@ -1210,12 +1225,11 @@ static int arm_smmu_alloc_init_pte(struct arm_smmu_device *smmu, pmd_t *pmd, if (pmd_none(*pmd)) { /* Allocate a new set of tables */ - pgtable_t table = alloc_page(PGALLOC_GFP); + pgtable_t table = alloc_page(GFP_ATOMIC|__GFP_ZERO); if (!table) return -ENOMEM; - arm_smmu_flush_pgtable(smmu, page_address(table), - ARM_SMMU_PTE_HWTABLE_SIZE); + arm_smmu_flush_pgtable(smmu, page_address(table), PAGE_SIZE); if (!pgtable_page_ctor(table)) { __free_page(table); return -ENOMEM; @@ -1317,9 +1331,15 @@ static int arm_smmu_alloc_init_pmd(struct arm_smmu_device *smmu, pud_t *pud, #ifndef __PAGETABLE_PMD_FOLDED if (pud_none(*pud)) { - pmd = pmd_alloc_one(NULL, addr); + pmd = (pmd_t *)get_zeroed_page(GFP_ATOMIC); if (!pmd) return -ENOMEM; + + arm_smmu_flush_pgtable(smmu, pmd, PAGE_SIZE); + pud_populate(NULL, pud, pmd); + arm_smmu_flush_pgtable(smmu, pud, sizeof(*pud)); + + pmd += pmd_index(addr); } else #endif pmd = pmd_offset(pud, addr); @@ -1328,8 +1348,6 @@ static int arm_smmu_alloc_init_pmd(struct arm_smmu_device *smmu, pud_t *pud, next = pmd_addr_end(addr, end); ret = arm_smmu_alloc_init_pte(smmu, pmd, addr, end, pfn, flags, stage); - pud_populate(NULL, pud, pmd); - arm_smmu_flush_pgtable(smmu, pud, sizeof(*pud)); phys += next - addr; } while (pmd++, addr = next, addr < end); @@ -1346,9 +1364,15 @@ static int arm_smmu_alloc_init_pud(struct arm_smmu_device *smmu, pgd_t *pgd, #ifndef __PAGETABLE_PUD_FOLDED if (pgd_none(*pgd)) { - pud = pud_alloc_one(NULL, addr); + pud = (pud_t *)get_zeroed_page(GFP_ATOMIC); if (!pud) return -ENOMEM; + + arm_smmu_flush_pgtable(smmu, pud, PAGE_SIZE); + pgd_populate(NULL, pgd, pud); + arm_smmu_flush_pgtable(smmu, pgd, sizeof(*pgd)); + + pud += pud_index(addr); } else #endif pud = pud_offset(pgd, addr); @@ -1357,8 +1381,6 @@ static int arm_smmu_alloc_init_pud(struct arm_smmu_device *smmu, pgd_t *pgd, next = pud_addr_end(addr, end); ret = arm_smmu_alloc_init_pmd(smmu, pud, addr, next, phys, flags, stage); - pgd_populate(NULL, pud, pgd); - arm_smmu_flush_pgtable(smmu, pgd, sizeof(*pgd)); phys += next - addr; } while (pud++, addr = next, addr < end); @@ -1375,6 +1397,7 @@ static int arm_smmu_handle_mapping(struct arm_smmu_domain *smmu_domain, struct arm_smmu_cfg *root_cfg = &smmu_domain->root_cfg; pgd_t *pgd = root_cfg->pgd; struct arm_smmu_device *smmu = root_cfg->smmu; + unsigned long irqflags; if (root_cfg->cbar == CBAR_TYPE_S2_TRANS) { stage = 2; @@ -1397,7 +1420,7 @@ static int arm_smmu_handle_mapping(struct arm_smmu_domain *smmu_domain, if (paddr & ~output_mask) return -ERANGE; - mutex_lock(&smmu_domain->lock); + spin_lock_irqsave(&smmu_domain->lock, irqflags); pgd += pgd_index(iova); end = iova + size; do { @@ -1413,11 +1436,7 @@ static int arm_smmu_handle_mapping(struct arm_smmu_domain *smmu_domain, } while (pgd++, iova != end); out_unlock: - mutex_unlock(&smmu_domain->lock); - - /* Ensure new page tables are visible to the hardware walker */ - if (smmu->features & ARM_SMMU_FEAT_COHERENT_WALK) - dsb(); + spin_unlock_irqrestore(&smmu_domain->lock, irqflags); return ret; } @@ -1987,8 +2006,10 @@ static int __init arm_smmu_init(void) if (!iommu_present(&platform_bus_type)) bus_set_iommu(&platform_bus_type, &arm_smmu_ops); +#ifdef CONFIG_ARM_AMBA if (!iommu_present(&amba_bustype)) bus_set_iommu(&amba_bustype, &arm_smmu_ops); +#endif return 0; } diff --git a/drivers/irqchip/irq-orion.c b/drivers/irqchip/irq-orion.c index e51d4003188..8e41be62812 100644 --- a/drivers/irqchip/irq-orion.c +++ b/drivers/irqchip/irq-orion.c @@ -111,7 +111,8 @@ IRQCHIP_DECLARE(orion_intc, "marvell,orion-intc", orion_irq_init); static void orion_bridge_irq_handler(unsigned int irq, struct irq_desc *desc) { struct irq_domain *d = irq_get_handler_data(irq); - struct irq_chip_generic *gc = irq_get_domain_generic_chip(d, irq); + + struct irq_chip_generic *gc = irq_get_domain_generic_chip(d, 0); u32 stat = readl_relaxed(gc->reg_base + ORION_BRIDGE_IRQ_CAUSE) & gc->mask_cache; @@ -123,6 +124,19 @@ static void orion_bridge_irq_handler(unsigned int irq, struct irq_desc *desc) } } +/* + * Bridge IRQ_CAUSE is asserted regardless of IRQ_MASK register. + * To avoid interrupt events on stale irqs, we clear them before unmask. + */ +static unsigned int orion_bridge_irq_startup(struct irq_data *d) +{ + struct irq_chip_type *ct = irq_data_get_chip_type(d); + + ct->chip.irq_ack(d); + ct->chip.irq_unmask(d); + return 0; +} + static int __init orion_bridge_irq_init(struct device_node *np, struct device_node *parent) { @@ -143,7 +157,7 @@ static int __init orion_bridge_irq_init(struct device_node *np, } ret = irq_alloc_domain_generic_chips(domain, nrirqs, 1, np->name, - handle_level_irq, clr, 0, IRQ_GC_INIT_MASK_CACHE); + handle_edge_irq, clr, 0, IRQ_GC_INIT_MASK_CACHE); if (ret) { pr_err("%s: unable to alloc irq domain gc\n", np->name); return ret; @@ -176,12 +190,14 @@ static int __init orion_bridge_irq_init(struct device_node *np, gc->chip_types[0].regs.ack = ORION_BRIDGE_IRQ_CAUSE; gc->chip_types[0].regs.mask = ORION_BRIDGE_IRQ_MASK; + gc->chip_types[0].chip.irq_startup = orion_bridge_irq_startup; gc->chip_types[0].chip.irq_ack = irq_gc_ack_clr_bit; gc->chip_types[0].chip.irq_mask = irq_gc_mask_clr_bit; gc->chip_types[0].chip.irq_unmask = irq_gc_mask_set_bit; - /* mask all interrupts */ + /* mask and clear all interrupts */ writel(0, gc->reg_base + ORION_BRIDGE_IRQ_MASK); + writel(0, gc->reg_base + ORION_BRIDGE_IRQ_CAUSE); irq_set_handler_data(irq, domain); irq_set_chained_handler(irq, orion_bridge_irq_handler); diff --git a/drivers/isdn/hisax/q931.c b/drivers/isdn/hisax/q931.c index af1b020a81f..b420f8bd862 100644 --- a/drivers/isdn/hisax/q931.c +++ b/drivers/isdn/hisax/q931.c @@ -810,7 +810,7 @@ prfeatureind(char *dest, u_char *p) dp += sprintf(dp, " octet 3 "); dp += prbits(dp, *p, 8, 8); *dp++ = '\n'; - if (!(*p++ & 80)) { + if (!(*p++ & 0x80)) { dp += sprintf(dp, " octet 4 "); dp += prbits(dp, *p++, 8, 8); *dp++ = '\n'; diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 0c707e4f4ea..a4c7306ff43 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -210,7 +210,9 @@ BITMASK(GC_MARK, struct bucket, gc_mark, 0, 2); #define GC_MARK_RECLAIMABLE 0 #define GC_MARK_DIRTY 1 #define GC_MARK_METADATA 2 -BITMASK(GC_SECTORS_USED, struct bucket, gc_mark, 2, 13); +#define GC_SECTORS_USED_SIZE 13 +#define MAX_GC_SECTORS_USED (~(~0ULL << GC_SECTORS_USED_SIZE)) +BITMASK(GC_SECTORS_USED, struct bucket, gc_mark, 2, GC_SECTORS_USED_SIZE); BITMASK(GC_MOVE, struct bucket, gc_mark, 15, 1); #include "journal.h" diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 4f6b5940e60..3f74b4b0747 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -23,7 +23,7 @@ void bch_dump_bset(struct btree_keys *b, struct bset *i, unsigned set) for (k = i->start; k < bset_bkey_last(i); k = next) { next = bkey_next(k); - printk(KERN_ERR "block %u key %zi/%u: ", set, + printk(KERN_ERR "block %u key %li/%u: ", set, (uint64_t *) k - i->d, i->keys); if (b->ops->key_dump) @@ -1185,9 +1185,12 @@ static void __btree_sort(struct btree_keys *b, struct btree_iter *iter, struct bset *out = (void *) __get_free_pages(__GFP_NOWARN|GFP_NOIO, order); if (!out) { + struct page *outp; + BUG_ON(order > state->page_order); - out = page_address(mempool_alloc(state->pool, GFP_NOIO)); + outp = mempool_alloc(state->pool, GFP_NOIO); + out = page_address(outp); used_mempool = true; order = state->page_order; } diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 98cc0a810a3..5f9c2a665ca 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -1167,7 +1167,7 @@ uint8_t __bch_btree_mark_key(struct cache_set *c, int level, struct bkey *k) /* guard against overflow */ SET_GC_SECTORS_USED(g, min_t(unsigned, GC_SECTORS_USED(g) + KEY_SIZE(k), - (1 << 14) - 1)); + MAX_GC_SECTORS_USED)); BUG_ON(!GC_SECTORS_USED(g)); } @@ -1805,7 +1805,7 @@ static bool btree_insert_key(struct btree *b, struct bkey *k, static size_t insert_u64s_remaining(struct btree *b) { - ssize_t ret = bch_btree_keys_u64s_remaining(&b->keys); + long ret = bch_btree_keys_u64s_remaining(&b->keys); /* * Might land in the middle of an existing extent and have to split it diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c index c3ead586dc2..416d1a3e028 100644 --- a/drivers/md/bcache/extents.c +++ b/drivers/md/bcache/extents.c @@ -194,7 +194,7 @@ err: mutex_unlock(&b->c->bucket_lock); bch_extent_to_text(buf, sizeof(buf), k); btree_bug(b, -"inconsistent btree pointer %s: bucket %li pin %i prio %i gen %i last_gc %i mark %llu gc_gen %i", +"inconsistent btree pointer %s: bucket %zi pin %i prio %i gen %i last_gc %i mark %llu gc_gen %i", buf, PTR_BUCKET_NR(b->c, k, i), atomic_read(&g->pin), g->prio, g->gen, g->last_gc, GC_MARK(g), g->gc_gen); return true; diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 72cd213f213..5d5d031cf38 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -353,14 +353,14 @@ static void bch_data_insert_start(struct closure *cl) struct data_insert_op *op = container_of(cl, struct data_insert_op, cl); struct bio *bio = op->bio, *n; - if (op->bypass) - return bch_data_invalidate(cl); - if (atomic_sub_return(bio_sectors(bio), &op->c->sectors_to_gc) < 0) { set_gc_sectors(op->c); wake_up_gc(op->c); } + if (op->bypass) + return bch_data_invalidate(cl); + /* * Journal writes are marked REQ_FLUSH; if the original write was a * flush, it'll wait on the journal write. diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index c6ab69333a6..d8458d477a1 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -416,7 +416,7 @@ static int btree_bset_stats(struct btree_op *b_op, struct btree *b) return MAP_CONTINUE; } -int bch_bset_print_stats(struct cache_set *c, char *buf) +static int bch_bset_print_stats(struct cache_set *c, char *buf) { struct bset_stats_op op; int ret; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index fd3a2a14b58..4a6ca1cb2e7 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1953,11 +1953,15 @@ static int process_checks(struct r1bio *r1_bio) for (i = 0; i < conf->raid_disks * 2; i++) { int j; int size; + int uptodate; struct bio *b = r1_bio->bios[i]; if (b->bi_end_io != end_sync_read) continue; - /* fixup the bio for reuse */ + /* fixup the bio for reuse, but preserve BIO_UPTODATE */ + uptodate = test_bit(BIO_UPTODATE, &b->bi_flags); bio_reset(b); + if (!uptodate) + clear_bit(BIO_UPTODATE, &b->bi_flags); b->bi_vcnt = vcnt; b->bi_iter.bi_size = r1_bio->sectors << 9; b->bi_iter.bi_sector = r1_bio->sector + @@ -1990,11 +1994,14 @@ static int process_checks(struct r1bio *r1_bio) int j; struct bio *pbio = r1_bio->bios[primary]; struct bio *sbio = r1_bio->bios[i]; + int uptodate = test_bit(BIO_UPTODATE, &sbio->bi_flags); if (sbio->bi_end_io != end_sync_read) continue; + /* Now we can 'fixup' the BIO_UPTODATE flag */ + set_bit(BIO_UPTODATE, &sbio->bi_flags); - if (test_bit(BIO_UPTODATE, &sbio->bi_flags)) { + if (uptodate) { for (j = vcnt; j-- ; ) { struct page *p, *s; p = pbio->bi_io_vec[j].bv_page; @@ -2009,7 +2016,7 @@ static int process_checks(struct r1bio *r1_bio) if (j >= 0) atomic64_add(r1_bio->sectors, &mddev->resync_mismatches); if (j < 0 || (test_bit(MD_RECOVERY_CHECK, &mddev->recovery) - && test_bit(BIO_UPTODATE, &sbio->bi_flags))) { + && uptodate)) { /* No need to write to this device. */ sbio->bi_end_io = NULL; rdev_dec_pending(conf->mirrors[i].rdev, mddev); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index f1feadeb7bb..16f5c21963d 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5514,23 +5514,43 @@ raid5_size(struct mddev *mddev, sector_t sectors, int raid_disks) return sectors * (raid_disks - conf->max_degraded); } +static void free_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu) +{ + safe_put_page(percpu->spare_page); + kfree(percpu->scribble); + percpu->spare_page = NULL; + percpu->scribble = NULL; +} + +static int alloc_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu) +{ + if (conf->level == 6 && !percpu->spare_page) + percpu->spare_page = alloc_page(GFP_KERNEL); + if (!percpu->scribble) + percpu->scribble = kmalloc(conf->scribble_len, GFP_KERNEL); + + if (!percpu->scribble || (conf->level == 6 && !percpu->spare_page)) { + free_scratch_buffer(conf, percpu); + return -ENOMEM; + } + + return 0; +} + static void raid5_free_percpu(struct r5conf *conf) { - struct raid5_percpu *percpu; unsigned long cpu; if (!conf->percpu) return; - get_online_cpus(); - for_each_possible_cpu(cpu) { - percpu = per_cpu_ptr(conf->percpu, cpu); - safe_put_page(percpu->spare_page); - kfree(percpu->scribble); - } #ifdef CONFIG_HOTPLUG_CPU unregister_cpu_notifier(&conf->cpu_notify); #endif + + get_online_cpus(); + for_each_possible_cpu(cpu) + free_scratch_buffer(conf, per_cpu_ptr(conf->percpu, cpu)); put_online_cpus(); free_percpu(conf->percpu); @@ -5557,15 +5577,7 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action, switch (action) { case CPU_UP_PREPARE: case CPU_UP_PREPARE_FROZEN: - if (conf->level == 6 && !percpu->spare_page) - percpu->spare_page = alloc_page(GFP_KERNEL); - if (!percpu->scribble) - percpu->scribble = kmalloc(conf->scribble_len, GFP_KERNEL); - - if (!percpu->scribble || - (conf->level == 6 && !percpu->spare_page)) { - safe_put_page(percpu->spare_page); - kfree(percpu->scribble); + if (alloc_scratch_buffer(conf, percpu)) { pr_err("%s: failed memory allocation for cpu%ld\n", __func__, cpu); return notifier_from_errno(-ENOMEM); @@ -5573,10 +5585,7 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action, break; case CPU_DEAD: case CPU_DEAD_FROZEN: - safe_put_page(percpu->spare_page); - kfree(percpu->scribble); - percpu->spare_page = NULL; - percpu->scribble = NULL; + free_scratch_buffer(conf, per_cpu_ptr(conf->percpu, cpu)); break; default: break; @@ -5588,40 +5597,29 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action, static int raid5_alloc_percpu(struct r5conf *conf) { unsigned long cpu; - struct page *spare_page; - struct raid5_percpu __percpu *allcpus; - void *scribble; - int err; + int err = 0; - allcpus = alloc_percpu(struct raid5_percpu); - if (!allcpus) + conf->percpu = alloc_percpu(struct raid5_percpu); + if (!conf->percpu) return -ENOMEM; - conf->percpu = allcpus; + +#ifdef CONFIG_HOTPLUG_CPU + conf->cpu_notify.notifier_call = raid456_cpu_notify; + conf->cpu_notify.priority = 0; + err = register_cpu_notifier(&conf->cpu_notify); + if (err) + return err; +#endif get_online_cpus(); - err = 0; for_each_present_cpu(cpu) { - if (conf->level == 6) { - spare_page = alloc_page(GFP_KERNEL); - if (!spare_page) { - err = -ENOMEM; - break; - } - per_cpu_ptr(conf->percpu, cpu)->spare_page = spare_page; - } - scribble = kmalloc(conf->scribble_len, GFP_KERNEL); - if (!scribble) { - err = -ENOMEM; + err = alloc_scratch_buffer(conf, per_cpu_ptr(conf->percpu, cpu)); + if (err) { + pr_err("%s: failed memory allocation for cpu%ld\n", + __func__, cpu); break; } - per_cpu_ptr(conf->percpu, cpu)->scribble = scribble; } -#ifdef CONFIG_HOTPLUG_CPU - conf->cpu_notify.notifier_call = raid456_cpu_notify; - conf->cpu_notify.priority = 0; - if (err == 0) - err = register_cpu_notifier(&conf->cpu_notify); -#endif put_online_cpus(); return err; diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c index a60c188c2bd..04bd3b6de40 100644 --- a/drivers/message/i2o/i2o_config.c +++ b/drivers/message/i2o/i2o_config.c @@ -754,19 +754,19 @@ static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg) { int ret; - mutex_lock(&i2o_cfg_mutex); switch (cmd) { case I2OGETIOPS: ret = i2o_cfg_ioctl(file, cmd, arg); break; case I2OPASSTHRU32: + mutex_lock(&i2o_cfg_mutex); ret = i2o_cfg_passthru32(file, cmd, arg); + mutex_unlock(&i2o_cfg_mutex); break; default: ret = -ENOIOCTLCMD; break; } - mutex_unlock(&i2o_cfg_mutex); return ret; } diff --git a/drivers/mfd/da9055-i2c.c b/drivers/mfd/da9055-i2c.c index 13af7e50021..8103e436213 100644 --- a/drivers/mfd/da9055-i2c.c +++ b/drivers/mfd/da9055-i2c.c @@ -53,17 +53,25 @@ static int da9055_i2c_remove(struct i2c_client *i2c) return 0; } +/* + * DO NOT change the device Ids. The naming is intentionally specific as both + * the PMIC and CODEC parts of this chip are instantiated separately as I2C + * devices (both have configurable I2C addresses, and are to all intents and + * purposes separate). As a result there are specific DA9055 ids for PMIC + * and CODEC, which must be different to operate together. + */ static struct i2c_device_id da9055_i2c_id[] = { - {"da9055", 0}, + {"da9055-pmic", 0}, { } }; +MODULE_DEVICE_TABLE(i2c, da9055_i2c_id); static struct i2c_driver da9055_i2c_driver = { .probe = da9055_i2c_probe, .remove = da9055_i2c_remove, .id_table = da9055_i2c_id, .driver = { - .name = "da9055", + .name = "da9055-pmic", .owner = THIS_MODULE, }, }; diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c index ac514fb2b87..71aa14a6bfb 100644 --- a/drivers/mfd/max14577.c +++ b/drivers/mfd/max14577.c @@ -173,6 +173,7 @@ static const struct i2c_device_id max14577_i2c_id[] = { }; MODULE_DEVICE_TABLE(i2c, max14577_i2c_id); +#ifdef CONFIG_PM_SLEEP static int max14577_suspend(struct device *dev) { struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); @@ -208,6 +209,7 @@ static int max14577_resume(struct device *dev) return 0; } +#endif /* CONFIG_PM_SLEEP */ static struct of_device_id max14577_dt_match[] = { { .compatible = "maxim,max14577", }, diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c index be88a3bf7b8..5adede0fb04 100644 --- a/drivers/mfd/max8997.c +++ b/drivers/mfd/max8997.c @@ -164,15 +164,15 @@ static struct max8997_platform_data *max8997_i2c_parse_dt_pdata( return pd; } -static inline int max8997_i2c_get_driver_data(struct i2c_client *i2c, +static inline unsigned long max8997_i2c_get_driver_data(struct i2c_client *i2c, const struct i2c_device_id *id) { if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node) { const struct of_device_id *match; match = of_match_node(max8997_pmic_dt_match, i2c->dev.of_node); - return (int)match->data; + return (unsigned long)match->data; } - return (int)id->driver_data; + return id->driver_data; } static int max8997_i2c_probe(struct i2c_client *i2c, diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c index 612ca404e15..5d5e186b5d8 100644 --- a/drivers/mfd/max8998.c +++ b/drivers/mfd/max8998.c @@ -169,16 +169,16 @@ static struct max8998_platform_data *max8998_i2c_parse_dt_pdata( return pd; } -static inline int max8998_i2c_get_driver_data(struct i2c_client *i2c, +static inline unsigned long max8998_i2c_get_driver_data(struct i2c_client *i2c, const struct i2c_device_id *id) { if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node) { const struct of_device_id *match; match = of_match_node(max8998_dt_match, i2c->dev.of_node); - return (int)(long)match->data; + return (unsigned long)match->data; } - return (int)id->driver_data; + return id->driver_data; } static int max8998_i2c_probe(struct i2c_client *i2c, diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c index a139798b806..714e2135210 100644 --- a/drivers/mfd/sec-core.c +++ b/drivers/mfd/sec-core.c @@ -315,6 +315,7 @@ static int sec_pmic_remove(struct i2c_client *i2c) return 0; } +#ifdef CONFIG_PM_SLEEP static int sec_pmic_suspend(struct device *dev) { struct i2c_client *i2c = container_of(dev, struct i2c_client, dev); @@ -349,6 +350,7 @@ static int sec_pmic_resume(struct device *dev) return 0; } +#endif /* CONFIG_PM_SLEEP */ static SIMPLE_DEV_PM_OPS(sec_pmic_pm_ops, sec_pmic_suspend, sec_pmic_resume); diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c index 966cf65c5c3..3cc4c7084b9 100644 --- a/drivers/mfd/tps65217.c +++ b/drivers/mfd/tps65217.c @@ -158,7 +158,7 @@ static int tps65217_probe(struct i2c_client *client, { struct tps65217 *tps; unsigned int version; - unsigned int chip_id = ids->driver_data; + unsigned long chip_id = ids->driver_data; const struct of_device_id *match; bool status_off = false; int ret; @@ -170,7 +170,7 @@ static int tps65217_probe(struct i2c_client *client, "Failed to find matching dt id\n"); return -EINVAL; } - chip_id = (unsigned int)(unsigned long)match->data; + chip_id = (unsigned long)match->data; status_off = of_property_read_bool(client->dev.of_node, "ti,pmic-shutdown-controller"); } diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index ba04f1bc70e..e6fab94e2c8 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -636,7 +636,7 @@ static int wm8994_i2c_probe(struct i2c_client *i2c, if (i2c->dev.of_node) { of_id = of_match_device(wm8994_of_match, &i2c->dev); if (of_id) - wm8994->type = (int)of_id->data; + wm8994->type = (enum wm8994_type)of_id->data; } else { wm8994->type = id->driver_data; } diff --git a/drivers/misc/genwqe/card_dev.c b/drivers/misc/genwqe/card_dev.c index 8f8a6b327cd..2c2c9cc7523 100644 --- a/drivers/misc/genwqe/card_dev.c +++ b/drivers/misc/genwqe/card_dev.c @@ -787,6 +787,7 @@ static int genwqe_pin_mem(struct genwqe_file *cfile, struct genwqe_mem *m) if (rc != 0) { dev_err(&pci_dev->dev, "[%s] genwqe_user_vmap rc=%d\n", __func__, rc); + kfree(dma_map); return rc; } diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 1ee2b9492a8..89a557972d1 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -666,7 +666,6 @@ int mei_cl_read_start(struct mei_cl *cl, size_t length) goto err; cb->fop_type = MEI_FOP_READ; - cl->read_cb = cb; if (dev->hbuf_is_ready) { dev->hbuf_is_ready = false; if (mei_hbm_cl_flow_control_req(dev, cl)) { @@ -678,6 +677,9 @@ int mei_cl_read_start(struct mei_cl *cl, size_t length) } else { list_add_tail(&cb->list, &dev->ctrl_wr_list.list); } + + cl->read_cb = cb; + return rets; err: mei_io_cb_free(cb); @@ -908,7 +910,6 @@ void mei_cl_all_disconnect(struct mei_device *dev) list_for_each_entry_safe(cl, next, &dev->file_list, link) { cl->state = MEI_FILE_DISCONNECTED; cl->mei_flow_ctrl_creds = 0; - cl->read_cb = NULL; cl->timer_count = 0; } } @@ -942,8 +943,16 @@ void mei_cl_all_wakeup(struct mei_device *dev) void mei_cl_all_write_clear(struct mei_device *dev) { struct mei_cl_cb *cb, *next; + struct list_head *list; + + list = &dev->write_list.list; + list_for_each_entry_safe(cb, next, list, list) { + list_del(&cb->list); + mei_io_cb_free(cb); + } - list_for_each_entry_safe(cb, next, &dev->write_list.list, list) { + list = &dev->write_waiting_list.list; + list_for_each_entry_safe(cb, next, list, list) { list_del(&cb->list); mei_io_cb_free(cb); } diff --git a/drivers/misc/mic/host/mic_virtio.c b/drivers/misc/mic/host/mic_virtio.c index 752ff873f89..7e1ef0ebbb8 100644 --- a/drivers/misc/mic/host/mic_virtio.c +++ b/drivers/misc/mic/host/mic_virtio.c @@ -156,7 +156,8 @@ static int mic_vringh_copy(struct mic_vdev *mvdev, struct vringh_kiov *iov, static int _mic_virtio_copy(struct mic_vdev *mvdev, struct mic_copy_desc *copy) { - int ret = 0, iovcnt = copy->iovcnt; + int ret = 0; + u32 iovcnt = copy->iovcnt; struct iovec iov; struct iovec __user *u_iov = copy->iov; void __user *ubuf = NULL; diff --git a/drivers/misc/sgi-gru/grukdump.c b/drivers/misc/sgi-gru/grukdump.c index 9b2062d1732..2bef3f76032 100644 --- a/drivers/misc/sgi-gru/grukdump.c +++ b/drivers/misc/sgi-gru/grukdump.c @@ -139,8 +139,11 @@ static int gru_dump_context(struct gru_state *gru, int ctxnum, ubuf += sizeof(hdr); ubufcch = ubuf; - if (gru_user_copy_handle(&ubuf, cch)) - goto fail; + if (gru_user_copy_handle(&ubuf, cch)) { + if (cch_locked) + unlock_cch_handle(cch); + return -EFAULT; + } if (cch_locked) ubufcch->delresp = 0; bytes = sizeof(hdr) + GRU_CACHE_LINE_BYTES; @@ -179,10 +182,6 @@ static int gru_dump_context(struct gru_state *gru, int ctxnum, ret = -EFAULT; return ret ? ret : bytes; - -fail: - unlock_cch_handle(cch); - return -EFAULT; } int gru_dump_chiplet_request(unsigned long arg) diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 357bbc54fe4..3e049c13429 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -197,7 +197,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, struct mmc_queue_req *mqrq_prev = &mq->mqrq[1]; if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask) - limit = dma_max_pfn(mmc_dev(host)) << PAGE_SHIFT; + limit = (u64)dma_max_pfn(mmc_dev(host)) << PAGE_SHIFT; mq->card = card; mq->queue = blk_init_queue(mmc_request_fn, lock); diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index f342278539d..494b888a656 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -139,7 +139,7 @@ config MACVTAP This adds a specialized tap character device driver that is based on the MAC-VLAN network interface, called macvtap. A macvtap device can be added in the same way as a macvlan device, using 'type - macvlan', and then be accessed through the tap user space interface. + macvtap', and then be accessed through the tap user space interface. To compile this driver as a module, choose M here: the module will be called macvtap. diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index cce1f1bf90b..6d20fbde8d4 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -1796,8 +1796,6 @@ void bond_3ad_initiate_agg_selection(struct bonding *bond, int timeout) BOND_AD_INFO(bond).agg_select_timer = timeout; } -static u16 aggregator_identifier; - /** * bond_3ad_initialize - initialize a bond's 802.3ad parameters and structures * @bond: bonding struct to work on @@ -1811,7 +1809,7 @@ void bond_3ad_initialize(struct bonding *bond, u16 tick_resolution) if (!MAC_ADDRESS_EQUAL(&(BOND_AD_INFO(bond).system.sys_mac_addr), bond->dev->dev_addr)) { - aggregator_identifier = 0; + BOND_AD_INFO(bond).aggregator_identifier = 0; BOND_AD_INFO(bond).system.sys_priority = 0xFFFF; BOND_AD_INFO(bond).system.sys_mac_addr = *((struct mac_addr *)bond->dev->dev_addr); @@ -1880,7 +1878,7 @@ void bond_3ad_bind_slave(struct slave *slave) ad_initialize_agg(aggregator); aggregator->aggregator_mac_address = *((struct mac_addr *)bond->dev->dev_addr); - aggregator->aggregator_identifier = (++aggregator_identifier); + aggregator->aggregator_identifier = ++BOND_AD_INFO(bond).aggregator_identifier; aggregator->slave = slave; aggregator->is_active = 0; aggregator->num_of_ports = 0; diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h index 13dc9d3c5e3..f4dd9592ac6 100644 --- a/drivers/net/bonding/bond_3ad.h +++ b/drivers/net/bonding/bond_3ad.h @@ -253,6 +253,7 @@ struct ad_system { struct ad_bond_info { struct ad_system system; /* 802.3ad system structure */ u32 agg_select_timer; // Timer to select aggregator after all adapter's hand shakes + u16 aggregator_identifier; }; struct ad_slave_info { diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 4c08018d733..1c6104d3501 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1270,9 +1270,13 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) if (slave_ops->ndo_set_mac_address == NULL) { if (!bond_has_slaves(bond)) { - pr_warning("%s: Warning: The first slave device specified does not support setting the MAC address. Setting fail_over_mac to active.", - bond_dev->name); - bond->params.fail_over_mac = BOND_FOM_ACTIVE; + pr_warn("%s: Warning: The first slave device specified does not support setting the MAC address.\n", + bond_dev->name); + if (bond->params.mode == BOND_MODE_ACTIVEBACKUP) { + bond->params.fail_over_mac = BOND_FOM_ACTIVE; + pr_warn("%s: Setting fail_over_mac to active for active-backup mode.\n", + bond_dev->name); + } } else if (bond->params.fail_over_mac != BOND_FOM_ACTIVE) { pr_err("%s: Error: The slave device specified does not support setting the MAC address, but fail_over_mac is not set to active.\n", bond_dev->name); @@ -1315,7 +1319,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) */ memcpy(new_slave->perm_hwaddr, slave_dev->dev_addr, ETH_ALEN); - if (!bond->params.fail_over_mac) { + if (!bond->params.fail_over_mac || + bond->params.mode != BOND_MODE_ACTIVEBACKUP) { /* * Set slave to master's mac address. The application already * set the master's mac address to that of the first slave @@ -1505,7 +1510,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) slave_dev->npinfo = bond->dev->npinfo; if (slave_dev->npinfo) { if (slave_enable_netpoll(new_slave)) { - read_unlock(&bond->lock); pr_info("Error, %s: master_dev is using netpoll, " "but new slave device does not support netpoll.\n", bond_dev->name); @@ -1539,9 +1543,11 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) bond_set_carrier(bond); if (USES_PRIMARY(bond->params.mode)) { + block_netpoll_tx(); write_lock_bh(&bond->curr_slave_lock); bond_select_active_slave(bond); write_unlock_bh(&bond->curr_slave_lock); + unblock_netpoll_tx(); } pr_info("%s: enslaving %s as a%s interface with a%s link.\n", @@ -1567,10 +1573,12 @@ err_detach: if (bond->primary_slave == new_slave) bond->primary_slave = NULL; if (bond->curr_active_slave == new_slave) { + block_netpoll_tx(); write_lock_bh(&bond->curr_slave_lock); bond_change_active_slave(bond, NULL); bond_select_active_slave(bond); write_unlock_bh(&bond->curr_slave_lock); + unblock_netpoll_tx(); } slave_disable_netpoll(new_slave); @@ -1579,7 +1587,8 @@ err_close: dev_close(slave_dev); err_restore_mac: - if (!bond->params.fail_over_mac) { + if (!bond->params.fail_over_mac || + bond->params.mode != BOND_MODE_ACTIVEBACKUP) { /* XXX TODO - fom follow mode needs to change master's * MAC if this slave's MAC is in use by the bond, or at * least print a warning. @@ -1672,7 +1681,8 @@ static int __bond_release_one(struct net_device *bond_dev, bond->current_arp_slave = NULL; - if (!all && !bond->params.fail_over_mac) { + if (!all && (!bond->params.fail_over_mac || + bond->params.mode != BOND_MODE_ACTIVEBACKUP)) { if (ether_addr_equal_64bits(bond_dev->dev_addr, slave->perm_hwaddr) && bond_has_slaves(bond)) pr_warn("%s: Warning: the permanent HWaddr of %s - %pM - is still in use by %s. Set the HWaddr of %s to a different address to avoid conflicts.\n", @@ -1769,7 +1779,8 @@ static int __bond_release_one(struct net_device *bond_dev, /* close slave before restoring its mac address */ dev_close(slave_dev); - if (bond->params.fail_over_mac != BOND_FOM_ACTIVE) { + if (bond->params.fail_over_mac != BOND_FOM_ACTIVE || + bond->params.mode != BOND_MODE_ACTIVEBACKUP) { /* restore original ("permanent") mac address */ memcpy(addr.sa_data, slave->perm_hwaddr, ETH_ALEN); addr.sa_family = slave_dev->type; @@ -2857,9 +2868,12 @@ static int bond_slave_netdev_event(unsigned long event, pr_info("%s: Primary slave changed to %s, reselecting active slave.\n", bond->dev->name, bond->primary_slave ? slave_dev->name : "none"); + + block_netpoll_tx(); write_lock_bh(&bond->curr_slave_lock); bond_select_active_slave(bond); write_unlock_bh(&bond->curr_slave_lock); + unblock_netpoll_tx(); break; case NETDEV_FEAT_CHANGE: bond_compute_features(bond); @@ -3431,7 +3445,8 @@ static int bond_set_mac_address(struct net_device *bond_dev, void *addr) /* If fail_over_mac is enabled, do nothing and return success. * Returning an error causes ifenslave to fail. */ - if (bond->params.fail_over_mac) + if (bond->params.fail_over_mac && + bond->params.mode == BOND_MODE_ACTIVEBACKUP) return 0; if (!is_valid_ether_addr(sa->sa_data)) @@ -3692,7 +3707,7 @@ static inline int bond_slave_override(struct bonding *bond, static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { /* * This helper function exists to help dev_pick_tx get the correct diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index 11cb943222d..c3787843271 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -14,7 +14,7 @@ #include <linux/errno.h> #include <linux/if.h> #include <linux/netdevice.h> -#include <linux/rwlock.h> +#include <linux/spinlock.h> #include <linux/rcupdate.h> #include <linux/ctype.h> #include <linux/inet.h> diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index d447b881bbd..9e7d95dae2c 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -104,7 +104,7 @@ config CAN_JANZ_ICAN3 config CAN_FLEXCAN tristate "Support for Freescale FLEXCAN based chips" - depends on (ARM && CPU_LITTLE_ENDIAN) || PPC + depends on ARM || PPC ---help--- Say Y here if you want to support for Freescale FlexCAN. diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 13a909822e2..fc59bc6f040 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -323,19 +323,10 @@ void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, } if (!priv->echo_skb[idx]) { - struct sock *srcsk = skb->sk; - if (atomic_read(&skb->users) != 1) { - struct sk_buff *old_skb = skb; - - skb = skb_clone(old_skb, GFP_ATOMIC); - kfree_skb(old_skb); - if (!skb) - return; - } else - skb_orphan(skb); - - skb->sk = srcsk; + skb = can_create_echo_skb(skb); + if (!skb) + return; /* make settings for echo to reduce code in irq context */ skb->protocol = htons(ETH_P_CAN); diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index aaed97bee47..320bef2dba4 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -235,9 +235,12 @@ static const struct can_bittiming_const flexcan_bittiming_const = { }; /* - * Abstract off the read/write for arm versus ppc. + * Abstract off the read/write for arm versus ppc. This + * assumes that PPC uses big-endian registers and everything + * else uses little-endian registers, independent of CPU + * endianess. */ -#if defined(__BIG_ENDIAN) +#if defined(CONFIG_PPC) static inline u32 flexcan_read(void __iomem *addr) { return in_be32(addr); diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c index e24e6690d67..71594e5676f 100644 --- a/drivers/net/can/janz-ican3.c +++ b/drivers/net/can/janz-ican3.c @@ -18,6 +18,7 @@ #include <linux/netdevice.h> #include <linux/can.h> #include <linux/can/dev.h> +#include <linux/can/skb.h> #include <linux/can/error.h> #include <linux/mfd/janz.h> @@ -1133,20 +1134,9 @@ static void ican3_handle_message(struct ican3_dev *mod, struct ican3_msg *msg) */ static void ican3_put_echo_skb(struct ican3_dev *mod, struct sk_buff *skb) { - struct sock *srcsk = skb->sk; - - if (atomic_read(&skb->users) != 1) { - struct sk_buff *old_skb = skb; - - skb = skb_clone(old_skb, GFP_ATOMIC); - kfree_skb(old_skb); - if (!skb) - return; - } else { - skb_orphan(skb); - } - - skb->sk = srcsk; + skb = can_create_echo_skb(skb); + if (!skb) + return; /* save this skb for tx interrupt echo handling */ skb_queue_tail(&mod->echoq, skb); @@ -1322,7 +1312,7 @@ static int ican3_napi(struct napi_struct *napi, int budget) /* process all communication messages */ while (true) { - struct ican3_msg msg; + struct ican3_msg uninitialized_var(msg); ret = ican3_recv_msg(mod, &msg); if (ret) break; diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 6c859bba8b6..e77d1104974 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -473,6 +473,8 @@ static int kvaser_usb_get_card_info(struct kvaser_usb *dev) return err; dev->nchannels = msg.u.cardinfo.nchannels; + if (dev->nchannels > MAX_NET_DEVICES) + return -EINVAL; return 0; } diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c index 0a2a5ee79a1..4e94057ef5c 100644 --- a/drivers/net/can/vcan.c +++ b/drivers/net/can/vcan.c @@ -46,6 +46,7 @@ #include <linux/if_ether.h> #include <linux/can.h> #include <linux/can/dev.h> +#include <linux/can/skb.h> #include <linux/slab.h> #include <net/rtnetlink.h> @@ -109,25 +110,23 @@ static netdev_tx_t vcan_tx(struct sk_buff *skb, struct net_device *dev) stats->rx_packets++; stats->rx_bytes += cfd->len; } - kfree_skb(skb); + consume_skb(skb); return NETDEV_TX_OK; } /* perform standard echo handling for CAN network interfaces */ if (loop) { - struct sock *srcsk = skb->sk; - skb = skb_share_check(skb, GFP_ATOMIC); + skb = can_create_echo_skb(skb); if (!skb) return NETDEV_TX_OK; /* receive with packet counting */ - skb->sk = srcsk; vcan_rx(skb, dev); } else { /* no looped packets => no counting */ - kfree_skb(skb); + consume_skb(skb); } return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 0f4241c6e97..238ccea965c 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -3294,7 +3294,6 @@ static int __init vortex_init(void) static void __exit vortex_eisa_cleanup(void) { - struct vortex_private *vp; void __iomem *ioaddr; #ifdef CONFIG_EISA @@ -3303,7 +3302,6 @@ static void __exit vortex_eisa_cleanup(void) #endif if (compaq_net_device) { - vp = netdev_priv(compaq_net_device); ioaddr = ioport_map(compaq_net_device->base_addr, VORTEX_TOTAL_SIZE); diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 0cc21437478..511f6eecd58 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -929,6 +929,9 @@ static int emac_resume(struct platform_device *dev) } static const struct of_device_id emac_of_match[] = { + {.compatible = "allwinner,sun4i-a10-emac",}, + + /* Deprecated */ {.compatible = "allwinner,sun4i-emac",}, {}, }; diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index e92ffd6e1c1..2e45f6ec1bf 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -1292,6 +1292,7 @@ static int alx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) alx = netdev_priv(netdev); spin_lock_init(&alx->hw.mdio_lock); spin_lock_init(&alx->irq_lock); + spin_lock_init(&alx->stats_lock); alx->dev = netdev; alx->hw.pdev = pdev; alx->msg_enable = NETIF_MSG_LINK | NETIF_MSG_HW | NETIF_MSG_IFUP | diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 9d2dedadf2d..cda25ac45b4 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -85,7 +85,7 @@ MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax); static int disable_msi = 0; -module_param(disable_msi, int, 0); +module_param(disable_msi, int, S_IRUGO); MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); typedef enum { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 9d7419e0390..66c0df78c3f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -1873,7 +1873,7 @@ void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw) } u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { struct bnx2x *bp = netdev_priv(dev); @@ -1895,7 +1895,7 @@ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb, } /* select a non-FCoE queue */ - return __netdev_pick_tx(dev, skb) % BNX2X_NUM_ETH_QUEUES(bp); + return fallback(dev, skb) % BNX2X_NUM_ETH_QUEUES(bp); } void bnx2x_set_num_queues(struct bnx2x *bp) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 17d1689aec6..a89a40f88c2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -496,7 +496,7 @@ int bnx2x_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos); /* select_queue callback */ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv); + void *accel_priv, select_queue_fallback_t fallback); static inline void bnx2x_update_rx_prod(struct bnx2x *bp, struct bnx2x_fastpath *fp, @@ -936,7 +936,7 @@ static inline int bnx2x_func_start(struct bnx2x *bp) else /* CHIP_IS_E1X */ start_params->network_cos_mode = FW_WRR; - start_params->gre_tunnel_mode = IPGRE_TUNNEL; + start_params->gre_tunnel_mode = L2GRE_TUNNEL; start_params->gre_tunnel_rss = GRE_INNER_HEADERS_RSS; return bnx2x_func_state_change(bp, &func_params); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index c9c445e7b4a..7d438228645 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -95,29 +95,29 @@ MODULE_FIRMWARE(FW_FILE_NAME_E1H); MODULE_FIRMWARE(FW_FILE_NAME_E2); int bnx2x_num_queues; -module_param_named(num_queues, bnx2x_num_queues, int, 0); +module_param_named(num_queues, bnx2x_num_queues, int, S_IRUGO); MODULE_PARM_DESC(num_queues, " Set number of queues (default is as a number of CPUs)"); static int disable_tpa; -module_param(disable_tpa, int, 0); +module_param(disable_tpa, int, S_IRUGO); MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature"); static int int_mode; -module_param(int_mode, int, 0); +module_param(int_mode, int, S_IRUGO); MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X " "(1 INT#x; 2 MSI)"); static int dropless_fc; -module_param(dropless_fc, int, 0); +module_param(dropless_fc, int, S_IRUGO); MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring"); static int mrrs = -1; -module_param(mrrs, int, 0); +module_param(mrrs, int, S_IRUGO); MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)"); static int debug; -module_param(debug, int, 0); +module_param(debug, int, S_IRUGO); MODULE_PARM_DESC(debug, " Default debug msglevel"); struct workqueue_struct *bnx2x_wq; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index aec5ef2ed7c..e42f48df6e9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1446,12 +1446,12 @@ static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf) if (vf->cfg_flags & VF_CFG_INT_SIMD) val |= IGU_VF_CONF_SINGLE_ISR_EN; val &= ~IGU_VF_CONF_PARENT_MASK; - val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */ + val |= (BP_ABS_FUNC(bp) >> 1) << IGU_VF_CONF_PARENT_SHIFT; REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); DP(BNX2X_MSG_IOV, - "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n", - vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION)); + "value in IGU_REG_VF_CONFIGURATION of vf %d after write is 0x%08x\n", + vf->abs_vfid, val); bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index e2ca03e23dc..3167ed6593b 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -2609,13 +2609,14 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp) tg3_writephy(tp, MII_CTRL1000, phy9_orig); - if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) { - reg32 &= ~0x3000; - tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); - } else if (!err) - err = -EBUSY; + err = tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32); + if (err) + return err; - return err; + reg32 &= ~0x3000; + tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); + + return 0; } static void tg3_carrier_off(struct tg3 *tp) @@ -14113,12 +14114,12 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu) tg3_netif_stop(tp); + tg3_set_mtu(dev, tp, new_mtu); + tg3_full_lock(tp, 1); tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); - tg3_set_mtu(dev, tp, new_mtu); - /* Reset PHY, otherwise the read DMA engine will be in a mode that * breaks all requests to 256 bytes. */ diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c index add05f14b38..1642de78aac 100644 --- a/drivers/net/ethernet/dec/tulip/tulip_core.c +++ b/drivers/net/ethernet/dec/tulip/tulip_core.c @@ -1939,6 +1939,7 @@ static void tulip_remove_one(struct pci_dev *pdev) pci_iounmap(pdev, tp->base_addr); free_netdev (dev); pci_release_regions (pdev); + pci_disable_device(pdev); /* pci_power_off (pdev, -1); */ } diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index 4de8cfd149c..55e0fa03dc9 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -13,6 +13,7 @@ #include <linux/dma-mapping.h> #include <linux/etherdevice.h> +#include <linux/clk.h> #include <linux/crc32.h> #include <linux/interrupt.h> #include <linux/io.h> @@ -51,6 +52,7 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size"); #define ETH_HASH0 0x48 #define ETH_HASH1 0x4c #define ETH_TXCTRL 0x50 +#define ETH_END 0x54 /* mode register */ #define MODER_RXEN (1 << 0) /* receive enable */ @@ -179,6 +181,7 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size"); * @membase: pointer to buffer memory region * @dma_alloc: dma allocated buffer size * @io_region_size: I/O memory region size + * @num_bd: number of buffer descriptors * @num_tx: number of send buffers * @cur_tx: last send buffer written * @dty_tx: last buffer actually sent @@ -199,6 +202,7 @@ struct ethoc { int dma_alloc; resource_size_t io_region_size; + unsigned int num_bd; unsigned int num_tx; unsigned int cur_tx; unsigned int dty_tx; @@ -216,6 +220,7 @@ struct ethoc { struct phy_device *phy; struct mii_bus *mdio; + struct clk *clk; s8 phy_id; }; @@ -688,6 +693,11 @@ static int ethoc_mdio_probe(struct net_device *dev) } priv->phy = phy; + phy->advertising &= ~(ADVERTISED_1000baseT_Full | + ADVERTISED_1000baseT_Half); + phy->supported &= ~(SUPPORTED_1000baseT_Full | + SUPPORTED_1000baseT_Half); + return 0; } @@ -890,6 +900,102 @@ out: return NETDEV_TX_OK; } +static int ethoc_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ethoc *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phy; + + if (!phydev) + return -EOPNOTSUPP; + + return phy_ethtool_gset(phydev, cmd); +} + +static int ethoc_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ethoc *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phy; + + if (!phydev) + return -EOPNOTSUPP; + + return phy_ethtool_sset(phydev, cmd); +} + +static int ethoc_get_regs_len(struct net_device *netdev) +{ + return ETH_END; +} + +static void ethoc_get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *p) +{ + struct ethoc *priv = netdev_priv(dev); + u32 *regs_buff = p; + unsigned i; + + regs->version = 0; + for (i = 0; i < ETH_END / sizeof(u32); ++i) + regs_buff[i] = ethoc_read(priv, i * sizeof(u32)); +} + +static void ethoc_get_ringparam(struct net_device *dev, + struct ethtool_ringparam *ring) +{ + struct ethoc *priv = netdev_priv(dev); + + ring->rx_max_pending = priv->num_bd - 1; + ring->rx_mini_max_pending = 0; + ring->rx_jumbo_max_pending = 0; + ring->tx_max_pending = priv->num_bd - 1; + + ring->rx_pending = priv->num_rx; + ring->rx_mini_pending = 0; + ring->rx_jumbo_pending = 0; + ring->tx_pending = priv->num_tx; +} + +static int ethoc_set_ringparam(struct net_device *dev, + struct ethtool_ringparam *ring) +{ + struct ethoc *priv = netdev_priv(dev); + + if (ring->tx_pending < 1 || ring->rx_pending < 1 || + ring->tx_pending + ring->rx_pending > priv->num_bd) + return -EINVAL; + if (ring->rx_mini_pending || ring->rx_jumbo_pending) + return -EINVAL; + + if (netif_running(dev)) { + netif_tx_disable(dev); + ethoc_disable_rx_and_tx(priv); + ethoc_disable_irq(priv, INT_MASK_TX | INT_MASK_RX); + synchronize_irq(dev->irq); + } + + priv->num_tx = rounddown_pow_of_two(ring->tx_pending); + priv->num_rx = ring->rx_pending; + ethoc_init_ring(priv, dev->mem_start); + + if (netif_running(dev)) { + ethoc_enable_irq(priv, INT_MASK_TX | INT_MASK_RX); + ethoc_enable_rx_and_tx(priv); + netif_wake_queue(dev); + } + return 0; +} + +const struct ethtool_ops ethoc_ethtool_ops = { + .get_settings = ethoc_get_settings, + .set_settings = ethoc_set_settings, + .get_regs_len = ethoc_get_regs_len, + .get_regs = ethoc_get_regs, + .get_link = ethtool_op_get_link, + .get_ringparam = ethoc_get_ringparam, + .set_ringparam = ethoc_set_ringparam, + .get_ts_info = ethtool_op_get_ts_info, +}; + static const struct net_device_ops ethoc_netdev_ops = { .ndo_open = ethoc_open, .ndo_stop = ethoc_stop, @@ -917,6 +1023,8 @@ static int ethoc_probe(struct platform_device *pdev) int num_bd; int ret = 0; bool random_mac = false; + struct ethoc_platform_data *pdata = dev_get_platdata(&pdev->dev); + u32 eth_clkfreq = pdata ? pdata->eth_clkfreq : 0; /* allocate networking device */ netdev = alloc_etherdev(sizeof(struct ethoc)); @@ -1016,6 +1124,7 @@ static int ethoc_probe(struct platform_device *pdev) ret = -ENODEV; goto error; } + priv->num_bd = num_bd; /* num_tx must be a power of two */ priv->num_tx = rounddown_pow_of_two(num_bd >> 1); priv->num_rx = num_bd - priv->num_tx; @@ -1030,8 +1139,7 @@ static int ethoc_probe(struct platform_device *pdev) } /* Allow the platform setup code to pass in a MAC address. */ - if (dev_get_platdata(&pdev->dev)) { - struct ethoc_platform_data *pdata = dev_get_platdata(&pdev->dev); + if (pdata) { memcpy(netdev->dev_addr, pdata->hwaddr, IFHWADDRLEN); priv->phy_id = pdata->phy_id; } else { @@ -1069,6 +1177,27 @@ static int ethoc_probe(struct platform_device *pdev) if (random_mac) netdev->addr_assign_type = NET_ADDR_RANDOM; + /* Allow the platform setup code to adjust MII management bus clock. */ + if (!eth_clkfreq) { + struct clk *clk = devm_clk_get(&pdev->dev, NULL); + + if (!IS_ERR(clk)) { + priv->clk = clk; + clk_prepare_enable(clk); + eth_clkfreq = clk_get_rate(clk); + } + } + if (eth_clkfreq) { + u32 clkdiv = MIIMODER_CLKDIV(eth_clkfreq / 2500000 + 1); + + if (!clkdiv) + clkdiv = 2; + dev_dbg(&pdev->dev, "setting MII clkdiv to %u\n", clkdiv); + ethoc_write(priv, MIIMODER, + (ethoc_read(priv, MIIMODER) & MIIMODER_NOPRE) | + clkdiv); + } + /* register MII bus */ priv->mdio = mdiobus_alloc(); if (!priv->mdio) { @@ -1111,6 +1240,7 @@ static int ethoc_probe(struct platform_device *pdev) netdev->netdev_ops = ðoc_netdev_ops; netdev->watchdog_timeo = ETHOC_TIMEOUT; netdev->features |= 0; + netdev->ethtool_ops = ðoc_ethtool_ops; /* setup NAPI */ netif_napi_add(netdev, &priv->napi, ethoc_poll, 64); @@ -1133,6 +1263,8 @@ free_mdio: kfree(priv->mdio->irq); mdiobus_free(priv->mdio); free: + if (priv->clk) + clk_disable_unprepare(priv->clk); free_netdev(netdev); out: return ret; @@ -1157,6 +1289,8 @@ static int ethoc_remove(struct platform_device *pdev) kfree(priv->mdio->irq); mdiobus_free(priv->mdio); } + if (priv->clk) + clk_disable_unprepare(priv->clk); unregister_netdev(netdev); free_netdev(netdev); } diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index d4782b42401..903362a7b58 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1778,8 +1778,6 @@ fec_enet_open(struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); int ret; - napi_enable(&fep->napi); - /* I should reset the ring buffers here, but I don't yet know * a simple way to do that. */ @@ -1794,6 +1792,8 @@ fec_enet_open(struct net_device *ndev) fec_enet_free_buffers(ndev); return ret; } + + napi_enable(&fep->napi); phy_start(fep->phy_dev); netif_start_queue(ndev); fep->opened = 1; diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index cbaba4442d4..bf7a01ef9a5 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -3034,7 +3034,7 @@ static void __e100_shutdown(struct pci_dev *pdev, bool *enable_wake) *enable_wake = false; } - pci_disable_device(pdev); + pci_clear_master(pdev); } static int __e100_power_off(struct pci_dev *pdev, bool wake) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 6d4ada72dfd..18076c4178b 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -6881,7 +6881,7 @@ static inline int ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, u16 size) } static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { struct ixgbe_fwd_adapter *fwd_adapter = accel_priv; #ifdef IXGBE_FCOE @@ -6907,7 +6907,7 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb, if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) break; default: - return __netdev_pick_tx(dev, skb); + return fallback(dev, skb); } f = &adapter->ring_feature[RING_F_FCOE]; @@ -6920,7 +6920,7 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb, return txq + f->offset; #else - return __netdev_pick_tx(dev, skb); + return fallback(dev, skb); #endif } diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index 8f9266c64c7..fd4b6aecf6e 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -619,7 +619,7 @@ ltq_etop_set_multicast_list(struct net_device *dev) static u16 ltq_etop_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { /* we are currently only using the first queue */ return 0; diff --git a/drivers/net/ethernet/marvell/Kconfig b/drivers/net/ethernet/marvell/Kconfig index 6300fd27f2d..68e6a6613e9 100644 --- a/drivers/net/ethernet/marvell/Kconfig +++ b/drivers/net/ethernet/marvell/Kconfig @@ -43,12 +43,12 @@ config MVMDIO This driver is used by the MV643XX_ETH and MVNETA drivers. config MVNETA - tristate "Marvell Armada 370/XP network interface support" - depends on MACH_ARMADA_370_XP + tristate "Marvell Armada 370/38x/XP network interface support" + depends on PLAT_ORION select MVMDIO ---help--- This driver supports the network interface units in the - Marvell ARMADA XP and ARMADA 370 SoC family. + Marvell ARMADA XP, ARMADA 370 and ARMADA 38x SoC family. Note that this driver is distinct from the mv643xx_eth driver, which should be used for the older Marvell SoCs diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 8e8a7eb43a2..13457032d15 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -629,7 +629,7 @@ static void build_inline_wqe(struct mlx4_en_tx_desc *tx_desc, struct sk_buff *sk } u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { struct mlx4_en_priv *priv = netdev_priv(dev); u16 rings_p_up = priv->num_tx_rings_p_up; @@ -641,7 +641,7 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb, if (vlan_tx_tag_present(skb)) up = vlan_tx_tag_get(skb) >> VLAN_PRIO_SHIFT; - return __netdev_pick_tx(dev, skb) % rings_p_up + up * rings_p_up; + return fallback(dev, skb) % rings_p_up + up * rings_p_up; } static void mlx4_bf_copy(void __iomem *dst, unsigned long *src, unsigned bytecnt) diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 3af04c3f42e..9ca223bc90f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -723,7 +723,7 @@ int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); void mlx4_en_tx_irq(struct mlx4_cq *mcq); u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv); + void *accel_priv, select_queue_fallback_t fallback); netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev); int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index 157fe8df2c3..8ff57e8e3e9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -4,5 +4,5 @@ config MLX5_CORE tristate - depends on PCI && X86 + depends on PCI default n diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 1ded50ca160..e46e8698e63 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -726,9 +726,6 @@ static int vxge_learn_mac(struct vxgedev *vdev, u8 *mac_header) int vpath_idx = 0; enum vxge_hw_status status = VXGE_HW_OK; struct vxge_vpath *vpath = NULL; - struct __vxge_hw_device *hldev; - - hldev = pci_get_drvdata(vdev->pdev); mac_address = (u8 *)&mac_addr; memcpy(mac_address, mac_header, ETH_ALEN); @@ -2443,9 +2440,6 @@ static void vxge_rem_msix_isr(struct vxgedev *vdev) static void vxge_rem_isr(struct vxgedev *vdev) { - struct __vxge_hw_device *hldev; - hldev = pci_get_drvdata(vdev->pdev); - #ifdef CONFIG_PCI_MSI if (vdev->config.intr_type == MSI_X) { vxge_rem_msix_isr(vdev); diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index c49d1fb1696..75d11fa4eb0 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -429,7 +429,9 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb) } /* Transfer ownership of the skb to the final buffer */ +#ifdef EFX_USE_PIO finish_packet: +#endif buffer->skb = skb; buffer->flags = EFX_TX_BUF_SKB | dma_flags; diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig index e2f202e3932..f2d7c702c77 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -37,6 +37,17 @@ config DWMAC_SUNXI stmmac device driver. This driver is used for A20/A31 GMAC ethernet controller. +config DWMAC_STI + bool "STi GMAC support" + depends on STMMAC_PLATFORM && ARCH_STI + default y + ---help--- + Support for ethernet controller on STi SOCs. + + This selects STi SoC glue layer support for the stmmac + device driver. This driver is used on for the STi series + SOCs GMAC ethernet controller. + config STMMAC_PCI bool "STMMAC PCI bus support" depends on STMMAC_ETH && PCI diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile index ecadecea79b..dcef28775da 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Makefile +++ b/drivers/net/ethernet/stmicro/stmmac/Makefile @@ -2,6 +2,7 @@ obj-$(CONFIG_STMMAC_ETH) += stmmac.o stmmac-$(CONFIG_STMMAC_PLATFORM) += stmmac_platform.o stmmac-$(CONFIG_STMMAC_PCI) += stmmac_pci.o stmmac-$(CONFIG_DWMAC_SUNXI) += dwmac-sunxi.o +stmmac-$(CONFIG_DWMAC_STI) += dwmac-sti.o stmmac-objs:= stmmac_main.o stmmac_ethtool.o stmmac_mdio.o ring_mode.o \ chain_mode.o dwmac_lib.o dwmac1000_core.o dwmac1000_dma.o \ dwmac100_core.o dwmac100_dma.o enh_desc.o norm_desc.o \ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c new file mode 100644 index 00000000000..552bbc17863 --- /dev/null +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c @@ -0,0 +1,330 @@ +/** + * dwmac-sti.c - STMicroelectronics DWMAC Specific Glue layer + * + * Copyright (C) 2003-2014 STMicroelectronics (R&D) Limited + * Author: Srinivas Kandagatla <srinivas.kandagatla@st.com> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/stmmac.h> +#include <linux/phy.h> +#include <linux/mfd/syscon.h> +#include <linux/regmap.h> +#include <linux/clk.h> +#include <linux/of.h> +#include <linux/of_net.h> + +/** + * STi GMAC glue logic. + * -------------------- + * + * _ + * | \ + * --------|0 \ ETH_SEL_INTERNAL_NOTEXT_PHYCLK + * phyclk | |___________________________________________ + * | | | (phyclk-in) + * --------|1 / | + * int-clk |_ / | + * | _ + * | | \ + * |_______|1 \ ETH_SEL_TX_RETIME_CLK + * | |___________________________ + * | | (tx-retime-clk) + * _______|0 / + * | |_ / + * _ | + * | \ | + * --------|0 \ | + * clk_125 | |__| + * | | ETH_SEL_TXCLK_NOT_CLK125 + * --------|1 / + * txclk |_ / + * + * + * ETH_SEL_INTERNAL_NOTEXT_PHYCLK is valid only for RMII where PHY can + * generate 50MHz clock or MAC can generate it. + * This bit is configured by "st,ext-phyclk" property. + * + * ETH_SEL_TXCLK_NOT_CLK125 is only valid for gigabit modes, where the 125Mhz + * clock either comes from clk-125 pin or txclk pin. This configuration is + * totally driven by the board wiring. This bit is configured by + * "st,tx-retime-src" property. + * + * TXCLK configuration is different for different phy interface modes + * and changes according to link speed in modes like RGMII. + * + * Below table summarizes the clock requirement and clock sources for + * supported phy interface modes with link speeds. + * ________________________________________________ + *| PHY_MODE | 1000 Mbit Link | 100 Mbit Link | + * ------------------------------------------------ + *| MII | n/a | 25Mhz | + *| | | txclk | + * ------------------------------------------------ + *| GMII | 125Mhz | 25Mhz | + *| | clk-125/txclk | txclk | + * ------------------------------------------------ + *| RGMII | 125Mhz | 25Mhz | + *| | clk-125/txclk | clkgen | + * ------------------------------------------------ + *| RMII | n/a | 25Mhz | + *| | |clkgen/phyclk-in | + * ------------------------------------------------ + * + * TX lines are always retimed with a clk, which can vary depending + * on the board configuration. Below is the table of these bits + * in eth configuration register depending on source of retime clk. + * + *--------------------------------------------------------------- + * src | tx_rt_clk | int_not_ext_phyclk | txclk_n_clk125| + *--------------------------------------------------------------- + * txclk | 0 | n/a | 1 | + *--------------------------------------------------------------- + * ck_125| 0 | n/a | 0 | + *--------------------------------------------------------------- + * phyclk| 1 | 0 | n/a | + *--------------------------------------------------------------- + * clkgen| 1 | 1 | n/a | + *--------------------------------------------------------------- + */ + + /* Register definition */ + + /* 3 bits [8:6] + * [6:6] ETH_SEL_TXCLK_NOT_CLK125 + * [7:7] ETH_SEL_INTERNAL_NOTEXT_PHYCLK + * [8:8] ETH_SEL_TX_RETIME_CLK + * + */ + +#define TX_RETIME_SRC_MASK GENMASK(8, 6) +#define ETH_SEL_TX_RETIME_CLK BIT(8) +#define ETH_SEL_INTERNAL_NOTEXT_PHYCLK BIT(7) +#define ETH_SEL_TXCLK_NOT_CLK125 BIT(6) + +#define ENMII_MASK GENMASK(5, 5) +#define ENMII BIT(5) + +/** + * 3 bits [4:2] + * 000-GMII/MII + * 001-RGMII + * 010-SGMII + * 100-RMII +*/ +#define MII_PHY_SEL_MASK GENMASK(4, 2) +#define ETH_PHY_SEL_RMII BIT(4) +#define ETH_PHY_SEL_SGMII BIT(3) +#define ETH_PHY_SEL_RGMII BIT(2) +#define ETH_PHY_SEL_GMII 0x0 +#define ETH_PHY_SEL_MII 0x0 + +#define IS_PHY_IF_MODE_RGMII(iface) (iface == PHY_INTERFACE_MODE_RGMII || \ + iface == PHY_INTERFACE_MODE_RGMII_ID || \ + iface == PHY_INTERFACE_MODE_RGMII_RXID || \ + iface == PHY_INTERFACE_MODE_RGMII_TXID) + +#define IS_PHY_IF_MODE_GBIT(iface) (IS_PHY_IF_MODE_RGMII(iface) || \ + iface == PHY_INTERFACE_MODE_GMII) + +struct sti_dwmac { + int interface; + bool ext_phyclk; + bool is_tx_retime_src_clk_125; + struct clk *clk; + int reg; + struct device *dev; + struct regmap *regmap; +}; + +static u32 phy_intf_sels[] = { + [PHY_INTERFACE_MODE_MII] = ETH_PHY_SEL_MII, + [PHY_INTERFACE_MODE_GMII] = ETH_PHY_SEL_GMII, + [PHY_INTERFACE_MODE_RGMII] = ETH_PHY_SEL_RGMII, + [PHY_INTERFACE_MODE_RGMII_ID] = ETH_PHY_SEL_RGMII, + [PHY_INTERFACE_MODE_SGMII] = ETH_PHY_SEL_SGMII, + [PHY_INTERFACE_MODE_RMII] = ETH_PHY_SEL_RMII, +}; + +enum { + TX_RETIME_SRC_NA = 0, + TX_RETIME_SRC_TXCLK = 1, + TX_RETIME_SRC_CLK_125, + TX_RETIME_SRC_PHYCLK, + TX_RETIME_SRC_CLKGEN, +}; + +static const char *const tx_retime_srcs[] = { + [TX_RETIME_SRC_NA] = "", + [TX_RETIME_SRC_TXCLK] = "txclk", + [TX_RETIME_SRC_CLK_125] = "clk_125", + [TX_RETIME_SRC_PHYCLK] = "phyclk", + [TX_RETIME_SRC_CLKGEN] = "clkgen", +}; + +static u32 tx_retime_val[] = { + [TX_RETIME_SRC_TXCLK] = ETH_SEL_TXCLK_NOT_CLK125, + [TX_RETIME_SRC_CLK_125] = 0x0, + [TX_RETIME_SRC_PHYCLK] = ETH_SEL_TX_RETIME_CLK, + [TX_RETIME_SRC_CLKGEN] = ETH_SEL_TX_RETIME_CLK | + ETH_SEL_INTERNAL_NOTEXT_PHYCLK, +}; + +static void setup_retime_src(struct sti_dwmac *dwmac, u32 spd) +{ + u32 src = 0, freq = 0; + + if (spd == SPEED_100) { + if (dwmac->interface == PHY_INTERFACE_MODE_MII || + dwmac->interface == PHY_INTERFACE_MODE_GMII) { + src = TX_RETIME_SRC_TXCLK; + } else if (dwmac->interface == PHY_INTERFACE_MODE_RMII) { + if (dwmac->ext_phyclk) { + src = TX_RETIME_SRC_PHYCLK; + } else { + src = TX_RETIME_SRC_CLKGEN; + freq = 50000000; + } + + } else if (IS_PHY_IF_MODE_RGMII(dwmac->interface)) { + src = TX_RETIME_SRC_CLKGEN; + freq = 25000000; + } + + if (src == TX_RETIME_SRC_CLKGEN && dwmac->clk) + clk_set_rate(dwmac->clk, freq); + + } else if (spd == SPEED_1000) { + if (dwmac->is_tx_retime_src_clk_125) + src = TX_RETIME_SRC_CLK_125; + else + src = TX_RETIME_SRC_TXCLK; + } + + regmap_update_bits(dwmac->regmap, dwmac->reg, + TX_RETIME_SRC_MASK, tx_retime_val[src]); +} + +static void sti_dwmac_exit(struct platform_device *pdev, void *priv) +{ + struct sti_dwmac *dwmac = priv; + + if (dwmac->clk) + clk_disable_unprepare(dwmac->clk); +} + +static void sti_fix_mac_speed(void *priv, unsigned int spd) +{ + struct sti_dwmac *dwmac = priv; + + setup_retime_src(dwmac, spd); + + return; +} + +static int sti_dwmac_parse_data(struct sti_dwmac *dwmac, + struct platform_device *pdev) +{ + struct resource *res; + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + struct regmap *regmap; + int err; + + if (!np) + return -EINVAL; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sti-ethconf"); + if (!res) + return -ENODATA; + + regmap = syscon_regmap_lookup_by_phandle(np, "st,syscon"); + if (IS_ERR(regmap)) + return PTR_ERR(regmap); + + dwmac->dev = dev; + dwmac->interface = of_get_phy_mode(np); + dwmac->regmap = regmap; + dwmac->reg = res->start; + dwmac->ext_phyclk = of_property_read_bool(np, "st,ext-phyclk"); + dwmac->is_tx_retime_src_clk_125 = false; + + if (IS_PHY_IF_MODE_GBIT(dwmac->interface)) { + const char *rs; + + err = of_property_read_string(np, "st,tx-retime-src", &rs); + if (err < 0) { + dev_err(dev, "st,tx-retime-src not specified\n"); + return err; + } + + if (!strcasecmp(rs, "clk_125")) + dwmac->is_tx_retime_src_clk_125 = true; + } + + dwmac->clk = devm_clk_get(dev, "sti-ethclk"); + + if (IS_ERR(dwmac->clk)) + dwmac->clk = NULL; + + return 0; +} + +static int sti_dwmac_init(struct platform_device *pdev, void *priv) +{ + struct sti_dwmac *dwmac = priv; + struct regmap *regmap = dwmac->regmap; + int iface = dwmac->interface; + u32 reg = dwmac->reg; + u32 val, spd; + + if (dwmac->clk) + clk_prepare_enable(dwmac->clk); + + regmap_update_bits(regmap, reg, MII_PHY_SEL_MASK, phy_intf_sels[iface]); + + val = (iface == PHY_INTERFACE_MODE_REVMII) ? 0 : ENMII; + regmap_update_bits(regmap, reg, ENMII_MASK, val); + + if (IS_PHY_IF_MODE_GBIT(iface)) + spd = SPEED_1000; + else + spd = SPEED_100; + + setup_retime_src(dwmac, spd); + + return 0; +} + +static void *sti_dwmac_setup(struct platform_device *pdev) +{ + struct sti_dwmac *dwmac; + int ret; + + dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); + if (!dwmac) + return ERR_PTR(-ENOMEM); + + ret = sti_dwmac_parse_data(dwmac, pdev); + if (ret) { + dev_err(&pdev->dev, "Unable to parse OF data\n"); + return ERR_PTR(ret); + } + + return dwmac; +} + +const struct stmmac_of_data sti_gmac_data = { + .fix_mac_speed = sti_fix_mac_speed, + .setup = sti_dwmac_setup, + .init = sti_dwmac_init, + .exit = sti_dwmac_exit, +}; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index d9af26ed58e..f9e60d7918c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -133,6 +133,9 @@ bool stmmac_eee_init(struct stmmac_priv *priv); #ifdef CONFIG_DWMAC_SUNXI extern const struct stmmac_of_data sun7i_gmac_data; #endif +#ifdef CONFIG_DWMAC_STI +extern const struct stmmac_of_data sti_gmac_data; +#endif extern struct platform_driver stmmac_pltfr_driver; static inline int stmmac_register_platform(void) { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 5884a7d2063..c61bc72b8e9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -33,6 +33,11 @@ static const struct of_device_id stmmac_dt_ids[] = { #ifdef CONFIG_DWMAC_SUNXI { .compatible = "allwinner,sun7i-a20-gmac", .data = &sun7i_gmac_data}, #endif +#ifdef CONFIG_DWMAC_STI + { .compatible = "st,stih415-dwmac", .data = &sti_gmac_data}, + { .compatible = "st,stih416-dwmac", .data = &sti_gmac_data}, + { .compatible = "st,stih127-dwmac", .data = &sti_gmac_data}, +#endif /* SoC specific glue layers should come before generic bindings */ { .compatible = "st,spear600-gmac"}, { .compatible = "snps,dwmac-3.610"}, diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index bde63e3af96..651087b5c8d 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -554,7 +554,7 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable) * common for both the interface as the interface shares * the same hardware resource. */ - for (i = 0; i <= priv->data.slaves; i++) + for (i = 0; i < priv->data.slaves; i++) if (priv->slaves[i].ndev->flags & IFF_PROMISC) flag = true; @@ -578,7 +578,7 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable) unsigned long timeout = jiffies + HZ; /* Disable Learn for all ports */ - for (i = 0; i <= priv->data.slaves; i++) { + for (i = 0; i < priv->data.slaves; i++) { cpsw_ale_control_set(ale, i, ALE_PORT_NOLEARN, 1); cpsw_ale_control_set(ale, i, @@ -606,7 +606,7 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable) cpsw_ale_control_set(ale, 0, ALE_P0_UNI_FLOOD, 0); /* Enable Learn for all ports */ - for (i = 0; i <= priv->data.slaves; i++) { + for (i = 0; i < priv->data.slaves; i++) { cpsw_ale_control_set(ale, i, ALE_PORT_NOLEARN, 0); cpsw_ale_control_set(ale, i, @@ -1878,14 +1878,29 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); phyid = be32_to_cpup(parp+1); mdio = of_find_device_by_node(mdio_node); - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, mdio->name, phyid); + + if (strncmp(mdio->name, "gpio", 4) == 0) { + /* GPIO bitbang MDIO driver attached */ + struct mii_bus *bus = dev_get_drvdata(&mdio->dev); + + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, bus->id, phyid); + } else { + /* davinci MDIO driver attached */ + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, mdio->name, phyid); + } mac_addr = of_get_mac_address(slave_node); if (mac_addr) memcpy(slave_data->mac_addr, mac_addr, ETH_ALEN); slave_data->phy_if = of_get_phy_mode(slave_node); + if (slave_data->phy_if < 0) { + pr_err("Missing or malformed slave[%d] phy-mode property\n", + i); + return slave_data->phy_if; + } if (data->dual_emac) { if (of_property_read_u32(slave_node, "dual_emac_res_vlan", diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c index 023237a6572..17503da9f7a 100644 --- a/drivers/net/ethernet/tile/tilegx.c +++ b/drivers/net/ethernet/tile/tilegx.c @@ -2071,7 +2071,7 @@ static int tile_net_tx(struct sk_buff *skb, struct net_device *dev) /* Return subqueue id on this core (one per core). */ static u16 tile_net_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { return smp_processor_id(); } diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 1ec65feebb9..4bfdf8c7ada 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -26,6 +26,7 @@ #include <linux/netdevice.h> #include <linux/of_mdio.h> #include <linux/of_platform.h> +#include <linux/of_irq.h> #include <linux/of_address.h> #include <linux/skbuff.h> #include <linux/spinlock.h> @@ -600,7 +601,8 @@ static void axienet_start_xmit_done(struct net_device *ndev) size += status & XAXIDMA_BD_STS_ACTUAL_LEN_MASK; packets++; - lp->tx_bd_ci = ++lp->tx_bd_ci % TX_BD_NUM; + ++lp->tx_bd_ci; + lp->tx_bd_ci %= TX_BD_NUM; cur_p = &lp->tx_bd_v[lp->tx_bd_ci]; status = cur_p->status; } @@ -686,7 +688,8 @@ static int axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) skb_headlen(skb), DMA_TO_DEVICE); for (ii = 0; ii < num_frag; ii++) { - lp->tx_bd_tail = ++lp->tx_bd_tail % TX_BD_NUM; + ++lp->tx_bd_tail; + lp->tx_bd_tail %= TX_BD_NUM; cur_p = &lp->tx_bd_v[lp->tx_bd_tail]; frag = &skb_shinfo(skb)->frags[ii]; cur_p->phys = dma_map_single(ndev->dev.parent, @@ -702,7 +705,8 @@ static int axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) tail_p = lp->tx_bd_p + sizeof(*lp->tx_bd_v) * lp->tx_bd_tail; /* Start the transfer */ axienet_dma_out32(lp, XAXIDMA_TX_TDESC_OFFSET, tail_p); - lp->tx_bd_tail = ++lp->tx_bd_tail % TX_BD_NUM; + ++lp->tx_bd_tail; + lp->tx_bd_tail %= TX_BD_NUM; return NETDEV_TX_OK; } @@ -774,7 +778,8 @@ static void axienet_recv(struct net_device *ndev) cur_p->status = 0; cur_p->sw_id_offset = (u32) new_skb; - lp->rx_bd_ci = ++lp->rx_bd_ci % RX_BD_NUM; + ++lp->rx_bd_ci; + lp->rx_bd_ci %= RX_BD_NUM; cur_p = &lp->rx_bd_v[lp->rx_bd_ci]; } diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 7756118c2f0..7141a193736 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -88,8 +88,12 @@ static int netvsc_open(struct net_device *net) { struct net_device_context *net_device_ctx = netdev_priv(net); struct hv_device *device_obj = net_device_ctx->device_ctx; + struct netvsc_device *nvdev; + struct rndis_device *rdev; int ret = 0; + netif_carrier_off(net); + /* Open up the device */ ret = rndis_filter_open(device_obj); if (ret != 0) { @@ -99,6 +103,11 @@ static int netvsc_open(struct net_device *net) netif_start_queue(net); + nvdev = hv_get_drvdata(device_obj); + rdev = nvdev->extension; + if (!rdev->link_state) + netif_carrier_on(net); + return ret; } @@ -229,23 +238,24 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj, struct net_device *net; struct net_device_context *ndev_ctx; struct netvsc_device *net_device; + struct rndis_device *rdev; net_device = hv_get_drvdata(device_obj); + rdev = net_device->extension; + + rdev->link_state = status != 1; + net = net_device->ndev; - if (!net) { - netdev_err(net, "got link status but net device " - "not initialized yet\n"); + if (!net || net->reg_state != NETREG_REGISTERED) return; - } + ndev_ctx = netdev_priv(net); if (status == 1) { - netif_carrier_on(net); - ndev_ctx = netdev_priv(net); schedule_delayed_work(&ndev_ctx->dwork, 0); schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20)); } else { - netif_carrier_off(net); + schedule_delayed_work(&ndev_ctx->dwork, 0); } } @@ -388,17 +398,35 @@ static const struct net_device_ops device_ops = { * current context when receiving RNDIS_STATUS_MEDIA_CONNECT event. So, add * another netif_notify_peers() into a delayed work, otherwise GARP packet * will not be sent after quick migration, and cause network disconnection. + * Also, we update the carrier status here. */ -static void netvsc_send_garp(struct work_struct *w) +static void netvsc_link_change(struct work_struct *w) { struct net_device_context *ndev_ctx; struct net_device *net; struct netvsc_device *net_device; + struct rndis_device *rdev; + bool notify; + + rtnl_lock(); ndev_ctx = container_of(w, struct net_device_context, dwork.work); net_device = hv_get_drvdata(ndev_ctx->device_ctx); + rdev = net_device->extension; net = net_device->ndev; - netdev_notify_peers(net); + + if (rdev->link_state) { + netif_carrier_off(net); + notify = false; + } else { + netif_carrier_on(net); + notify = true; + } + + rtnl_unlock(); + + if (notify) + netdev_notify_peers(net); } @@ -414,13 +442,10 @@ static int netvsc_probe(struct hv_device *dev, if (!net) return -ENOMEM; - /* Set initial state */ - netif_carrier_off(net); - net_device_ctx = netdev_priv(net); net_device_ctx->device_ctx = dev; hv_set_drvdata(dev, net); - INIT_DELAYED_WORK(&net_device_ctx->dwork, netvsc_send_garp); + INIT_DELAYED_WORK(&net_device_ctx->dwork, netvsc_link_change); INIT_WORK(&net_device_ctx->work, do_set_multicast); net->netdev_ops = &device_ops; @@ -443,8 +468,6 @@ static int netvsc_probe(struct hv_device *dev, } memcpy(net->dev_addr, device_info.mac_adr, ETH_ALEN); - netif_carrier_on(net); - ret = register_netdev(net); if (ret != 0) { pr_err("Unable to register netdev.\n"); diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig index 2dc82f1d2e7..3da44d5d914 100644 --- a/drivers/net/irda/Kconfig +++ b/drivers/net/irda/Kconfig @@ -210,13 +210,6 @@ config KINGSUN_DONGLE To compile it as a module, choose M here: the module will be called kingsun-sir. -config EP7211_DONGLE - tristate "Cirrus Logic clps711x I/R support" - depends on IRTTY_SIR && ARCH_CLPS711X && IRDA - help - Say Y here if you want to build support for the Cirrus logic - EP7211 chipset's infrared module. - config KSDAZZLE_DONGLE tristate "KingSun Dazzle IrDA-USB dongle" depends on IRDA && USB diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile index dfc64537f62..be8ab5b9a4a 100644 --- a/drivers/net/irda/Makefile +++ b/drivers/net/irda/Makefile @@ -35,7 +35,6 @@ obj-$(CONFIG_MCP2120_DONGLE) += mcp2120-sir.o obj-$(CONFIG_ACT200L_DONGLE) += act200l-sir.o obj-$(CONFIG_MA600_DONGLE) += ma600-sir.o obj-$(CONFIG_TOIM3232_DONGLE) += toim3232-sir.o -obj-$(CONFIG_EP7211_DONGLE) += ep7211-sir.o obj-$(CONFIG_KINGSUN_DONGLE) += kingsun-sir.o obj-$(CONFIG_KSDAZZLE_DONGLE) += ksdazzle-sir.o obj-$(CONFIG_KS959_DONGLE) += ks959-sir.o diff --git a/drivers/net/irda/ep7211-sir.c b/drivers/net/irda/ep7211-sir.c deleted file mode 100644 index 5fe1f4dd336..00000000000 --- a/drivers/net/irda/ep7211-sir.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * IR port driver for the Cirrus Logic CLPS711X processors - * - * Copyright 2001, Blue Mug Inc. All rights reserved. - * Copyright 2007, Samuel Ortiz <samuel@sortiz.org> - */ - -#include <linux/module.h> -#include <linux/platform_device.h> - -#include <mach/hardware.h> - -#include "sir-dev.h" - -static int clps711x_dongle_open(struct sir_dev *dev) -{ - unsigned int syscon; - - /* Turn on the SIR encoder. */ - syscon = clps_readl(SYSCON1); - syscon |= SYSCON1_SIREN; - clps_writel(syscon, SYSCON1); - - return 0; -} - -static int clps711x_dongle_close(struct sir_dev *dev) -{ - unsigned int syscon; - - /* Turn off the SIR encoder. */ - syscon = clps_readl(SYSCON1); - syscon &= ~SYSCON1_SIREN; - clps_writel(syscon, SYSCON1); - - return 0; -} - -static struct dongle_driver clps711x_dongle = { - .owner = THIS_MODULE, - .driver_name = "EP7211 IR driver", - .type = IRDA_EP7211_DONGLE, - .open = clps711x_dongle_open, - .close = clps711x_dongle_close, -}; - -static int clps711x_sir_probe(struct platform_device *pdev) -{ - return irda_register_dongle(&clps711x_dongle); -} - -static int clps711x_sir_remove(struct platform_device *pdev) -{ - return irda_unregister_dongle(&clps711x_dongle); -} - -static struct platform_driver clps711x_sir_driver = { - .driver = { - .name = "sir-clps711x", - .owner = THIS_MODULE, - }, - .probe = clps711x_sir_probe, - .remove = clps711x_sir_remove, -}; -module_platform_driver(clps711x_sir_driver); - -MODULE_AUTHOR("Samuel Ortiz <samuel@sortiz.org>"); -MODULE_DESCRIPTION("EP7211 IR dongle driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("irda-dongle-13"); /* IRDA_EP7211_DONGLE */ diff --git a/drivers/net/irda/irtty-sir.c b/drivers/net/irda/irtty-sir.c index 177441afeb9..24b6dddd7f2 100644 --- a/drivers/net/irda/irtty-sir.c +++ b/drivers/net/irda/irtty-sir.c @@ -522,7 +522,6 @@ static void irtty_close(struct tty_struct *tty) sirdev_put_instance(priv->dev); /* Stop tty */ - irtty_stop_receiver(tty, TRUE); clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); if (tty->ops->stop) tty->ops->stop(tty); diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 8433de4509c..a5d21893670 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -879,14 +879,15 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, dev->priv_flags |= IFF_MACVLAN; err = netdev_upper_dev_link(lowerdev, dev); if (err) - goto destroy_port; - + goto unregister_netdev; list_add_tail_rcu(&vlan->list, &port->vlans); netif_stacked_transfer_operstate(lowerdev, dev); return 0; +unregister_netdev: + unregister_netdevice(dev); destroy_port: port->count -= 1; if (!port->count) diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 547725fa867..98e7cbf720a 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -437,7 +437,10 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp, if (on) { gpio_num = gpio_tab[EXTTS0_GPIO + index]; evnt |= (gpio_num & EVNT_GPIO_MASK) << EVNT_GPIO_SHIFT; - evnt |= EVNT_RISE; + if (rq->extts.flags & PTP_FALLING_EDGE) + evnt |= EVNT_FALL; + else + evnt |= EVNT_RISE; } ext_write(0, phydev, PAGE5, PTP_EVNT, evnt); return 0; @@ -1003,11 +1006,6 @@ static int dp83640_probe(struct phy_device *phydev) } else list_add_tail(&dp83640->list, &clock->phylist); - if (clock->chosen && !list_empty(&clock->phylist)) - recalibrate(clock); - else - enable_broadcast(dp83640->phydev, clock->page, 1); - dp83640_clock_put(clock); return 0; @@ -1058,6 +1056,21 @@ static void dp83640_remove(struct phy_device *phydev) kfree(dp83640); } +static int dp83640_config_init(struct phy_device *phydev) +{ + struct dp83640_private *dp83640 = phydev->priv; + struct dp83640_clock *clock = dp83640->clock; + + if (clock->chosen && !list_empty(&clock->phylist)) + recalibrate(clock); + else + enable_broadcast(phydev, clock->page, 1); + + enable_status_frames(phydev, true); + ext_write(0, phydev, PAGE4, PTP_CTL, PTP_ENABLE); + return 0; +} + static int dp83640_ack_interrupt(struct phy_device *phydev) { int err = phy_read(phydev, MII_DP83640_MISR); @@ -1195,11 +1208,6 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) mutex_lock(&dp83640->clock->extreg_lock); - if (dp83640->hwts_tx_en || dp83640->hwts_rx_en) { - enable_status_frames(phydev, true); - ext_write(0, phydev, PAGE4, PTP_CTL, PTP_ENABLE); - } - ext_write(0, phydev, PAGE5, PTP_TXCFG0, txcfg0); ext_write(0, phydev, PAGE5, PTP_RXCFG0, rxcfg0); @@ -1281,6 +1289,7 @@ static void dp83640_txtstamp(struct phy_device *phydev, } /* fall through */ case HWTSTAMP_TX_ON: + skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; skb_queue_tail(&dp83640->tx_queue, skb); schedule_work(&dp83640->ts_work); break; @@ -1330,6 +1339,7 @@ static struct phy_driver dp83640_driver = { .flags = PHY_HAS_INTERRUPT, .probe = dp83640_probe, .remove = dp83640_remove, + .config_init = dp83640_config_init, .config_aneg = genphy_config_aneg, .read_status = genphy_read_status, .ack_interrupt = dp83640_ack_interrupt, diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c index bb88bc7d81f..9367acc84fb 100644 --- a/drivers/net/phy/mdio-sun4i.c +++ b/drivers/net/phy/mdio-sun4i.c @@ -170,6 +170,9 @@ static int sun4i_mdio_remove(struct platform_device *pdev) } static const struct of_device_id sun4i_mdio_dt_ids[] = { + { .compatible = "allwinner,sun4i-a10-mdio" }, + + /* Deprecated */ { .compatible = "allwinner,sun4i-mdio" }, { } }; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 4b03e63639b..82514e72b3d 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -719,7 +719,7 @@ int phy_resume(struct phy_device *phydev) static int genphy_config_advert(struct phy_device *phydev) { u32 advertise; - int oldadv, adv; + int oldadv, adv, bmsr; int err, changed = 0; /* Only allow advertising what this PHY supports */ @@ -744,26 +744,36 @@ static int genphy_config_advert(struct phy_device *phydev) changed = 1; } + bmsr = phy_read(phydev, MII_BMSR); + if (bmsr < 0) + return bmsr; + + /* Per 802.3-2008, Section 22.2.4.2.16 Extended status all + * 1000Mbits/sec capable PHYs shall have the BMSR_ESTATEN bit set to a + * logical 1. + */ + if (!(bmsr & BMSR_ESTATEN)) + return changed; + /* Configure gigabit if it's supported */ + adv = phy_read(phydev, MII_CTRL1000); + if (adv < 0) + return adv; + + oldadv = adv; + adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); + if (phydev->supported & (SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full)) { - adv = phy_read(phydev, MII_CTRL1000); - if (adv < 0) - return adv; - - oldadv = adv; - adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); adv |= ethtool_adv_to_mii_ctrl1000_t(advertise); - - if (adv != oldadv) { - err = phy_write(phydev, MII_CTRL1000, adv); - - if (err < 0) - return err; + if (adv != oldadv) changed = 1; - } } + err = phy_write(phydev, MII_CTRL1000, adv); + if (err < 0) + return err; + return changed; } diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 28407426fd6..c8624a8235a 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1648,7 +1648,7 @@ static netdev_tx_t team_xmit(struct sk_buff *skb, struct net_device *dev) } static u16 team_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { /* * This helper function exists to help dev_pick_tx get the correct diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 44c4db8450f..8fe9cb7d0f7 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -366,7 +366,7 @@ static inline void tun_flow_save_rps_rxhash(struct tun_flow_entry *e, u32 hash) * hope the rxq no. may help here. */ static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { struct tun_struct *tun = netdev_priv(dev); struct tun_flow_entry *e; diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 6b638a066c1..7e7269fd370 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -292,6 +292,21 @@ config USB_NET_SR9700 This option adds support for CoreChip-sz SR9700 based USB 1.1 10/100 Ethernet adapters. +config USB_NET_SR9800 + tristate "CoreChip-sz SR9800 based USB 2.0 10/100 ethernet devices" + depends on USB_USBNET + select CRC32 + ---help--- + Say Y if you want to use one of the following 100Mbps USB Ethernet + device based on the CoreChip-sz SR9800 chip. + + This driver makes the adapter appear as a normal Ethernet interface, + typically on eth0, if it is the only ethernet device, or perhaps on + eth1, if you have a PCI or ISA ethernet card installed. + + To compile this driver as a module, choose M here: the + module will be called sr9800. + config USB_NET_SMSC75XX tristate "SMSC LAN75XX based USB 2.0 gigabit ethernet devices" depends on USB_USBNET diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index b17b5e88bba..433f0a00c68 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o r815x.o obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o obj-$(CONFIG_USB_NET_DM9601) += dm9601.o obj-$(CONFIG_USB_NET_SR9700) += sr9700.o +obj-$(CONFIG_USB_NET_SR9800) += sr9800.o obj-$(CONFIG_USB_NET_SMSC75XX) += smsc75xx.o obj-$(CONFIG_USB_NET_SMSC95XX) += smsc95xx.o obj-$(CONFIG_USB_NET_GL620A) += gl620a.o diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index 9765a7d4766..5d194093f3e 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -917,7 +917,8 @@ static const struct driver_info ax88178_info = { .status = asix_status, .link_reset = ax88178_link_reset, .reset = ax88178_reset, - .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR, + .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | + FLAG_MULTI_PACKET, .rx_fixup = asix_rx_fixup_common, .tx_fixup = asix_tx_fixup, }; diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index d6f64dad05b..955df81a435 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1118,6 +1118,10 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb) u16 hdr_off; u32 *pkt_hdr; + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + skb_trim(skb, skb->len - 4); memcpy(&rx_hdr, skb_tail_pointer(skb), 4); le32_to_cpus(&rx_hdr); diff --git a/drivers/net/usb/gl620a.c b/drivers/net/usb/gl620a.c index e4a8a93fbaf..1cc24e6f23e 100644 --- a/drivers/net/usb/gl620a.c +++ b/drivers/net/usb/gl620a.c @@ -84,6 +84,10 @@ static int genelink_rx_fixup(struct usbnet *dev, struct sk_buff *skb) u32 size; u32 count; + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + header = (struct gl_header *) skb->data; // get the packet count of the received skb diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 1a482344b3f..660bd5ea9fc 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -1201,16 +1201,18 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) struct hso_serial *serial = urb->context; int status = urb->status; + D4("\n--- Got serial_read_bulk callback %02x ---", status); + /* sanity check */ if (!serial) { D1("serial == NULL"); return; - } else if (status) { + } + if (status) { handle_usb_error(status, __func__, serial->parent); return; } - D4("\n--- Got serial_read_bulk callback %02x ---", status); D1("Actual length = %d\n", urb->actual_length); DUMP1(urb->transfer_buffer, urb->actual_length); @@ -1218,25 +1220,13 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) if (serial->port.count == 0) return; - if (status == 0) { - if (serial->parent->port_spec & HSO_INFO_CRC_BUG) - fix_crc_bug(urb, serial->in_endp->wMaxPacketSize); - /* Valid data, handle RX data */ - spin_lock(&serial->serial_lock); - serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 1; - put_rxbuf_data_and_resubmit_bulk_urb(serial); - spin_unlock(&serial->serial_lock); - } else if (status == -ENOENT || status == -ECONNRESET) { - /* Unlinked - check for throttled port. */ - D2("Port %d, successfully unlinked urb", serial->minor); - spin_lock(&serial->serial_lock); - serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; - hso_resubmit_rx_bulk_urb(serial, urb); - spin_unlock(&serial->serial_lock); - } else { - D2("Port %d, status = %d for read urb", serial->minor, status); - return; - } + if (serial->parent->port_spec & HSO_INFO_CRC_BUG) + fix_crc_bug(urb, serial->in_endp->wMaxPacketSize); + /* Valid data, handle RX data */ + spin_lock(&serial->serial_lock); + serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 1; + put_rxbuf_data_and_resubmit_bulk_urb(serial); + spin_unlock(&serial->serial_lock); } /* diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c index a305a7b2dae..82d844a8ebd 100644 --- a/drivers/net/usb/mcs7830.c +++ b/drivers/net/usb/mcs7830.c @@ -526,8 +526,9 @@ static int mcs7830_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { u8 status; - if (skb->len == 0) { - dev_err(&dev->udev->dev, "unexpected empty rx frame\n"); + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) { + dev_err(&dev->udev->dev, "unexpected tiny rx frame\n"); return 0; } diff --git a/drivers/net/usb/net1080.c b/drivers/net/usb/net1080.c index 0a85d922777..4cbdb1307f3 100644 --- a/drivers/net/usb/net1080.c +++ b/drivers/net/usb/net1080.c @@ -364,6 +364,10 @@ static int net1080_rx_fixup(struct usbnet *dev, struct sk_buff *skb) struct nc_trailer *trailer; u16 hdr_len, packet_len; + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + if (!(skb->len & 0x01)) { netdev_dbg(dev->net, "rx framesize %d range %d..%d mtu %d\n", skb->len, dev->net->hard_header_len, dev->hard_mtu, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 23bdd5b9274..313cb6cd484 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -80,10 +80,10 @@ static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { __be16 proto; - /* usbnet rx_complete guarantees that skb->len is at least - * hard_header_len, so we can inspect the dest address without - * checking skb->len - */ + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + switch (skb->data[0] & 0xf0) { case 0x40: proto = htons(ETH_P_IP); @@ -712,6 +712,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, + {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, @@ -723,6 +724,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ + {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ @@ -730,6 +732,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1bc7, 0x1201, 2)}, /* Telit LE920 */ {QMI_FIXED_INTF(0x0b3c, 0xc005, 6)}, /* Olivetti Olicard 200 */ {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ + {QMI_FIXED_INTF(0x1e2d, 0x0053, 4)}, /* Cinterion PHxx,PXxx */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index e8fac732c6f..d89dbe395ad 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2273,22 +2273,21 @@ static int rtl8152_open(struct net_device *netdev) struct r8152 *tp = netdev_priv(netdev); int res = 0; + rtl8152_set_speed(tp, AUTONEG_ENABLE, + tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, + DUPLEX_FULL); + tp->speed = 0; + netif_carrier_off(netdev); + netif_start_queue(netdev); + set_bit(WORK_ENABLE, &tp->flags); res = usb_submit_urb(tp->intr_urb, GFP_KERNEL); if (res) { if (res == -ENODEV) netif_device_detach(tp->netdev); netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n", res); - return res; } - rtl8152_set_speed(tp, AUTONEG_ENABLE, - tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, - DUPLEX_FULL); - tp->speed = 0; - netif_carrier_off(netdev); - netif_start_queue(netdev); - set_bit(WORK_ENABLE, &tp->flags); return res; } @@ -2298,8 +2297,8 @@ static int rtl8152_close(struct net_device *netdev) struct r8152 *tp = netdev_priv(netdev); int res = 0; - usb_kill_urb(tp->intr_urb); clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); cancel_delayed_work_sync(&tp->schedule); netif_stop_queue(netdev); tasklet_disable(&tp->tl); diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index a48bc0f20c1..524a47a2812 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -492,6 +492,10 @@ EXPORT_SYMBOL_GPL(rndis_unbind); */ int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + /* peripheral may have batched packets to us... */ while (likely(skb->len)) { struct rndis_data_hdr *hdr = (void *)skb->data; diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index f17b9e02dd3..d9e7892262f 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -2106,6 +2106,10 @@ static void smsc75xx_rx_csum_offload(struct usbnet *dev, struct sk_buff *skb, static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + while (skb->len > 0) { u32 rx_cmd_a, rx_cmd_b, align_count, size; struct sk_buff *ax_skb; diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 8dd54a0f7b2..424db65e439 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1723,6 +1723,10 @@ static void smsc95xx_rx_csum_offload(struct sk_buff *skb) static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) { + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + while (skb->len > 0) { u32 header, align_count; struct sk_buff *ax_skb; diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c new file mode 100644 index 00000000000..b94a0fbb8b3 --- /dev/null +++ b/drivers/net/usb/sr9800.c @@ -0,0 +1,874 @@ +/* CoreChip-sz SR9800 one chip USB 2.0 Ethernet Devices + * + * Author : Liu Junliang <liujunliang_ljl@163.com> + * + * Based on asix_common.c, asix_devices.c + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied.* + */ + +#include <linux/module.h> +#include <linux/kmod.h> +#include <linux/init.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/ethtool.h> +#include <linux/workqueue.h> +#include <linux/mii.h> +#include <linux/usb.h> +#include <linux/crc32.h> +#include <linux/usb/usbnet.h> +#include <linux/slab.h> +#include <linux/if_vlan.h> + +#include "sr9800.h" + +static int sr_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, + u16 size, void *data) +{ + int err; + + err = usbnet_read_cmd(dev, cmd, SR_REQ_RD_REG, value, index, + data, size); + if ((err != size) && (err >= 0)) + err = -EINVAL; + + return err; +} + +static int sr_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, + u16 size, void *data) +{ + int err; + + err = usbnet_write_cmd(dev, cmd, SR_REQ_WR_REG, value, index, + data, size); + if ((err != size) && (err >= 0)) + err = -EINVAL; + + return err; +} + +static void +sr_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, + u16 size, void *data) +{ + usbnet_write_cmd_async(dev, cmd, SR_REQ_WR_REG, value, index, data, + size); +} + +static int sr_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ + int offset = 0; + + /* This check is no longer done by usbnet */ + if (skb->len < dev->net->hard_header_len) + return 0; + + while (offset + sizeof(u32) < skb->len) { + struct sk_buff *sr_skb; + u16 size; + u32 header = get_unaligned_le32(skb->data + offset); + + offset += sizeof(u32); + /* get the packet length */ + size = (u16) (header & 0x7ff); + if (size != ((~header >> 16) & 0x07ff)) { + netdev_err(dev->net, "%s : Bad Header Length\n", + __func__); + return 0; + } + + if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) || + (size + offset > skb->len)) { + netdev_err(dev->net, "%s : Bad RX Length %d\n", + __func__, size); + return 0; + } + sr_skb = netdev_alloc_skb_ip_align(dev->net, size); + if (!sr_skb) + return 0; + + skb_put(sr_skb, size); + memcpy(sr_skb->data, skb->data + offset, size); + usbnet_skb_return(dev, sr_skb); + + offset += (size + 1) & 0xfffe; + } + + if (skb->len != offset) { + netdev_err(dev->net, "%s : Bad SKB Length %d\n", __func__, + skb->len); + return 0; + } + + return 1; +} + +static struct sk_buff *sr_tx_fixup(struct usbnet *dev, struct sk_buff *skb, + gfp_t flags) +{ + int headroom = skb_headroom(skb); + int tailroom = skb_tailroom(skb); + u32 padbytes = 0xffff0000; + u32 packet_len; + int padlen; + + padlen = ((skb->len + 4) % (dev->maxpacket - 1)) ? 0 : 4; + + if ((!skb_cloned(skb)) && ((headroom + tailroom) >= (4 + padlen))) { + if ((headroom < 4) || (tailroom < padlen)) { + skb->data = memmove(skb->head + 4, skb->data, + skb->len); + skb_set_tail_pointer(skb, skb->len); + } + } else { + struct sk_buff *skb2; + skb2 = skb_copy_expand(skb, 4, padlen, flags); + dev_kfree_skb_any(skb); + skb = skb2; + if (!skb) + return NULL; + } + + skb_push(skb, 4); + packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4); + cpu_to_le32s(&packet_len); + skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len)); + + if (padlen) { + cpu_to_le32s(&padbytes); + memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes)); + skb_put(skb, sizeof(padbytes)); + } + + return skb; +} + +static void sr_status(struct usbnet *dev, struct urb *urb) +{ + struct sr9800_int_data *event; + int link; + + if (urb->actual_length < 8) + return; + + event = urb->transfer_buffer; + link = event->link & 0x01; + if (netif_carrier_ok(dev->net) != link) { + usbnet_link_change(dev, link, 1); + netdev_dbg(dev->net, "Link Status is: %d\n", link); + } + + return; +} + +static inline int sr_set_sw_mii(struct usbnet *dev) +{ + int ret; + + ret = sr_write_cmd(dev, SR_CMD_SET_SW_MII, 0x0000, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to enable software MII access\n"); + return ret; +} + +static inline int sr_set_hw_mii(struct usbnet *dev) +{ + int ret; + + ret = sr_write_cmd(dev, SR_CMD_SET_HW_MII, 0x0000, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to enable hardware MII access\n"); + return ret; +} + +static inline int sr_get_phy_addr(struct usbnet *dev) +{ + u8 buf[2]; + int ret; + + ret = sr_read_cmd(dev, SR_CMD_READ_PHY_ID, 0, 0, 2, buf); + if (ret < 0) { + netdev_err(dev->net, "%s : Error reading PHYID register:%02x\n", + __func__, ret); + goto out; + } + netdev_dbg(dev->net, "%s : returning 0x%04x\n", __func__, + *((__le16 *)buf)); + + ret = buf[1]; + +out: + return ret; +} + +static int sr_sw_reset(struct usbnet *dev, u8 flags) +{ + int ret; + + ret = sr_write_cmd(dev, SR_CMD_SW_RESET, flags, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to send software reset:%02x\n", + ret); + + return ret; +} + +static u16 sr_read_rx_ctl(struct usbnet *dev) +{ + __le16 v; + int ret; + + ret = sr_read_cmd(dev, SR_CMD_READ_RX_CTL, 0, 0, 2, &v); + if (ret < 0) { + netdev_err(dev->net, "Error reading RX_CTL register:%02x\n", + ret); + goto out; + } + + ret = le16_to_cpu(v); +out: + return ret; +} + +static int sr_write_rx_ctl(struct usbnet *dev, u16 mode) +{ + int ret; + + netdev_dbg(dev->net, "%s : mode = 0x%04x\n", __func__, mode); + ret = sr_write_cmd(dev, SR_CMD_WRITE_RX_CTL, mode, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, + "Failed to write RX_CTL mode to 0x%04x:%02x\n", + mode, ret); + + return ret; +} + +static u16 sr_read_medium_status(struct usbnet *dev) +{ + __le16 v; + int ret; + + ret = sr_read_cmd(dev, SR_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v); + if (ret < 0) { + netdev_err(dev->net, + "Error reading Medium Status register:%02x\n", ret); + return ret; /* TODO: callers not checking for error ret */ + } + + return le16_to_cpu(v); +} + +static int sr_write_medium_mode(struct usbnet *dev, u16 mode) +{ + int ret; + + netdev_dbg(dev->net, "%s : mode = 0x%04x\n", __func__, mode); + ret = sr_write_cmd(dev, SR_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, + "Failed to write Medium Mode mode to 0x%04x:%02x\n", + mode, ret); + return ret; +} + +static int sr_write_gpio(struct usbnet *dev, u16 value, int sleep) +{ + int ret; + + netdev_dbg(dev->net, "%s : value = 0x%04x\n", __func__, value); + ret = sr_write_cmd(dev, SR_CMD_WRITE_GPIOS, value, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to write GPIO value 0x%04x:%02x\n", + value, ret); + if (sleep) + msleep(sleep); + + return ret; +} + +/* SR9800 have a 16-bit RX_CTL value */ +static void sr_set_multicast(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + u16 rx_ctl = SR_DEFAULT_RX_CTL; + + if (net->flags & IFF_PROMISC) { + rx_ctl |= SR_RX_CTL_PRO; + } else if (net->flags & IFF_ALLMULTI || + netdev_mc_count(net) > SR_MAX_MCAST) { + rx_ctl |= SR_RX_CTL_AMALL; + } else if (netdev_mc_empty(net)) { + /* just broadcast and directed */ + } else { + /* We use the 20 byte dev->data + * for our 8 byte filter buffer + * to avoid allocating memory that + * is tricky to free later + */ + struct netdev_hw_addr *ha; + u32 crc_bits; + + memset(data->multi_filter, 0, SR_MCAST_FILTER_SIZE); + + /* Build the multicast hash filter. */ + netdev_for_each_mc_addr(ha, net) { + crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26; + data->multi_filter[crc_bits >> 3] |= + 1 << (crc_bits & 7); + } + + sr_write_cmd_async(dev, SR_CMD_WRITE_MULTI_FILTER, 0, 0, + SR_MCAST_FILTER_SIZE, data->multi_filter); + + rx_ctl |= SR_RX_CTL_AM; + } + + sr_write_cmd_async(dev, SR_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); +} + +static int sr_mdio_read(struct net_device *net, int phy_id, int loc) +{ + struct usbnet *dev = netdev_priv(net); + __le16 res; + + mutex_lock(&dev->phy_mutex); + sr_set_sw_mii(dev); + sr_read_cmd(dev, SR_CMD_READ_MII_REG, phy_id, (__u16)loc, 2, &res); + sr_set_hw_mii(dev); + mutex_unlock(&dev->phy_mutex); + + netdev_dbg(dev->net, + "%s : phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n", __func__, + phy_id, loc, le16_to_cpu(res)); + + return le16_to_cpu(res); +} + +static void +sr_mdio_write(struct net_device *net, int phy_id, int loc, int val) +{ + struct usbnet *dev = netdev_priv(net); + __le16 res = cpu_to_le16(val); + + netdev_dbg(dev->net, + "%s : phy_id=0x%02x, loc=0x%02x, val=0x%04x\n", __func__, + phy_id, loc, val); + mutex_lock(&dev->phy_mutex); + sr_set_sw_mii(dev); + sr_write_cmd(dev, SR_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res); + sr_set_hw_mii(dev); + mutex_unlock(&dev->phy_mutex); +} + +/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */ +static u32 sr_get_phyid(struct usbnet *dev) +{ + int phy_reg; + u32 phy_id; + int i; + + /* Poll for the rare case the FW or phy isn't ready yet. */ + for (i = 0; i < 100; i++) { + phy_reg = sr_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1); + if (phy_reg != 0 && phy_reg != 0xFFFF) + break; + mdelay(1); + } + + if (phy_reg <= 0 || phy_reg == 0xFFFF) + return 0; + + phy_id = (phy_reg & 0xffff) << 16; + + phy_reg = sr_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2); + if (phy_reg < 0) + return 0; + + phy_id |= (phy_reg & 0xffff); + + return phy_id; +} + +static void +sr_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) +{ + struct usbnet *dev = netdev_priv(net); + u8 opt; + + if (sr_read_cmd(dev, SR_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) { + wolinfo->supported = 0; + wolinfo->wolopts = 0; + return; + } + wolinfo->supported = WAKE_PHY | WAKE_MAGIC; + wolinfo->wolopts = 0; + if (opt & SR_MONITOR_LINK) + wolinfo->wolopts |= WAKE_PHY; + if (opt & SR_MONITOR_MAGIC) + wolinfo->wolopts |= WAKE_MAGIC; +} + +static int +sr_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) +{ + struct usbnet *dev = netdev_priv(net); + u8 opt = 0; + + if (wolinfo->wolopts & WAKE_PHY) + opt |= SR_MONITOR_LINK; + if (wolinfo->wolopts & WAKE_MAGIC) + opt |= SR_MONITOR_MAGIC; + + if (sr_write_cmd(dev, SR_CMD_WRITE_MONITOR_MODE, + opt, 0, 0, NULL) < 0) + return -EINVAL; + + return 0; +} + +static int sr_get_eeprom_len(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + + return data->eeprom_len; +} + +static int sr_get_eeprom(struct net_device *net, + struct ethtool_eeprom *eeprom, u8 *data) +{ + struct usbnet *dev = netdev_priv(net); + __le16 *ebuf = (__le16 *)data; + int ret; + int i; + + /* Crude hack to ensure that we don't overwrite memory + * if an odd length is supplied + */ + if (eeprom->len % 2) + return -EINVAL; + + eeprom->magic = SR_EEPROM_MAGIC; + + /* sr9800 returns 2 bytes from eeprom on read */ + for (i = 0; i < eeprom->len / 2; i++) { + ret = sr_read_cmd(dev, SR_CMD_READ_EEPROM, eeprom->offset + i, + 0, 2, &ebuf[i]); + if (ret < 0) + return -EINVAL; + } + return 0; +} + +static void sr_get_drvinfo(struct net_device *net, + struct ethtool_drvinfo *info) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + + /* Inherit standard device info */ + usbnet_get_drvinfo(net, info); + strncpy(info->driver, DRIVER_NAME, sizeof(info->driver)); + strncpy(info->version, DRIVER_VERSION, sizeof(info->version)); + info->eedump_len = data->eeprom_len; +} + +static u32 sr_get_link(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + + return mii_link_ok(&dev->mii); +} + +static int sr_ioctl(struct net_device *net, struct ifreq *rq, int cmd) +{ + struct usbnet *dev = netdev_priv(net); + + return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); +} + +static int sr_set_mac_address(struct net_device *net, void *p) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + struct sockaddr *addr = p; + + if (netif_running(net)) + return -EBUSY; + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(net->dev_addr, addr->sa_data, ETH_ALEN); + + /* We use the 20 byte dev->data + * for our 6 byte mac buffer + * to avoid allocating memory that + * is tricky to free later + */ + memcpy(data->mac_addr, addr->sa_data, ETH_ALEN); + sr_write_cmd_async(dev, SR_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, + data->mac_addr); + + return 0; +} + +static const struct ethtool_ops sr9800_ethtool_ops = { + .get_drvinfo = sr_get_drvinfo, + .get_link = sr_get_link, + .get_msglevel = usbnet_get_msglevel, + .set_msglevel = usbnet_set_msglevel, + .get_wol = sr_get_wol, + .set_wol = sr_set_wol, + .get_eeprom_len = sr_get_eeprom_len, + .get_eeprom = sr_get_eeprom, + .get_settings = usbnet_get_settings, + .set_settings = usbnet_set_settings, + .nway_reset = usbnet_nway_reset, +}; + +static int sr9800_link_reset(struct usbnet *dev) +{ + struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; + u16 mode; + + mii_check_media(&dev->mii, 1, 1); + mii_ethtool_gset(&dev->mii, &ecmd); + mode = SR9800_MEDIUM_DEFAULT; + + if (ethtool_cmd_speed(&ecmd) != SPEED_100) + mode &= ~SR_MEDIUM_PS; + + if (ecmd.duplex != DUPLEX_FULL) + mode &= ~SR_MEDIUM_FD; + + netdev_dbg(dev->net, "%s : speed: %u duplex: %d mode: 0x%04x\n", + __func__, ethtool_cmd_speed(&ecmd), ecmd.duplex, mode); + + sr_write_medium_mode(dev, mode); + + return 0; +} + + +static int sr9800_set_default_mode(struct usbnet *dev) +{ + u16 rx_ctl; + int ret; + + sr_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); + sr_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, + ADVERTISE_ALL | ADVERTISE_CSMA); + mii_nway_restart(&dev->mii); + + ret = sr_write_medium_mode(dev, SR9800_MEDIUM_DEFAULT); + if (ret < 0) + goto out; + + ret = sr_write_cmd(dev, SR_CMD_WRITE_IPG012, + SR9800_IPG0_DEFAULT | SR9800_IPG1_DEFAULT, + SR9800_IPG2_DEFAULT, 0, NULL); + if (ret < 0) { + netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret); + goto out; + } + + /* Set RX_CTL to default values with 2k buffer, and enable cactus */ + ret = sr_write_rx_ctl(dev, SR_DEFAULT_RX_CTL); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n", + rx_ctl); + + rx_ctl = sr_read_medium_status(dev); + netdev_dbg(dev->net, "Medium Status:0x%04x after all initializations\n", + rx_ctl); + + return 0; +out: + return ret; +} + +static int sr9800_reset(struct usbnet *dev) +{ + struct sr_data *data = (struct sr_data *)&dev->data; + int ret, embd_phy; + u16 rx_ctl; + + ret = sr_write_gpio(dev, + SR_GPIO_RSE | SR_GPIO_GPO_2 | SR_GPIO_GPO2EN, 5); + if (ret < 0) + goto out; + + embd_phy = ((sr_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0); + + ret = sr_write_cmd(dev, SR_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL); + if (ret < 0) { + netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); + goto out; + } + + ret = sr_sw_reset(dev, SR_SWRESET_IPPD | SR_SWRESET_PRL); + if (ret < 0) + goto out; + + msleep(150); + + ret = sr_sw_reset(dev, SR_SWRESET_CLEAR); + if (ret < 0) + goto out; + + msleep(150); + + if (embd_phy) { + ret = sr_sw_reset(dev, SR_SWRESET_IPRL); + if (ret < 0) + goto out; + } else { + ret = sr_sw_reset(dev, SR_SWRESET_PRTE); + if (ret < 0) + goto out; + } + + msleep(150); + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl); + ret = sr_write_rx_ctl(dev, 0x0000); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl); + + ret = sr_sw_reset(dev, SR_SWRESET_PRL); + if (ret < 0) + goto out; + + msleep(150); + + ret = sr_sw_reset(dev, SR_SWRESET_IPRL | SR_SWRESET_PRL); + if (ret < 0) + goto out; + + msleep(150); + + ret = sr9800_set_default_mode(dev); + if (ret < 0) + goto out; + + /* Rewrite MAC address */ + memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN); + ret = sr_write_cmd(dev, SR_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, + data->mac_addr); + if (ret < 0) + goto out; + + return 0; + +out: + return ret; +} + +static const struct net_device_ops sr9800_netdev_ops = { + .ndo_open = usbnet_open, + .ndo_stop = usbnet_stop, + .ndo_start_xmit = usbnet_start_xmit, + .ndo_tx_timeout = usbnet_tx_timeout, + .ndo_change_mtu = usbnet_change_mtu, + .ndo_set_mac_address = sr_set_mac_address, + .ndo_validate_addr = eth_validate_addr, + .ndo_do_ioctl = sr_ioctl, + .ndo_set_rx_mode = sr_set_multicast, +}; + +static int sr9800_phy_powerup(struct usbnet *dev) +{ + int ret; + + /* set the embedded Ethernet PHY in power-down state */ + ret = sr_sw_reset(dev, SR_SWRESET_IPPD | SR_SWRESET_IPRL); + if (ret < 0) { + netdev_err(dev->net, "Failed to power down PHY : %d\n", ret); + return ret; + } + msleep(20); + + /* set the embedded Ethernet PHY in power-up state */ + ret = sr_sw_reset(dev, SR_SWRESET_IPRL); + if (ret < 0) { + netdev_err(dev->net, "Failed to reset PHY: %d\n", ret); + return ret; + } + msleep(600); + + /* set the embedded Ethernet PHY in reset state */ + ret = sr_sw_reset(dev, SR_SWRESET_CLEAR); + if (ret < 0) { + netdev_err(dev->net, "Failed to power up PHY: %d\n", ret); + return ret; + } + msleep(20); + + /* set the embedded Ethernet PHY in power-up state */ + ret = sr_sw_reset(dev, SR_SWRESET_IPRL); + if (ret < 0) { + netdev_err(dev->net, "Failed to reset PHY: %d\n", ret); + return ret; + } + + return 0; +} + +static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf) +{ + struct sr_data *data = (struct sr_data *)&dev->data; + u16 led01_mux, led23_mux; + int ret, embd_phy; + u32 phyid; + u16 rx_ctl; + + data->eeprom_len = SR9800_EEPROM_LEN; + + usbnet_get_endpoints(dev, intf); + + /* LED Setting Rule : + * AABB:CCDD + * AA : MFA0(LED0) + * BB : MFA1(LED1) + * CC : MFA2(LED2), Reserved for SR9800 + * DD : MFA3(LED3), Reserved for SR9800 + */ + led01_mux = (SR_LED_MUX_LINK_ACTIVE << 8) | SR_LED_MUX_LINK; + led23_mux = (SR_LED_MUX_LINK_ACTIVE << 8) | SR_LED_MUX_TX_ACTIVE; + ret = sr_write_cmd(dev, SR_CMD_LED_MUX, led01_mux, led23_mux, 0, NULL); + if (ret < 0) { + netdev_err(dev->net, "set LINK LED failed : %d\n", ret); + goto out; + } + + /* Get the MAC address */ + ret = sr_read_cmd(dev, SR_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, + dev->net->dev_addr); + if (ret < 0) { + netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); + return ret; + } + netdev_dbg(dev->net, "mac addr : %pM\n", dev->net->dev_addr); + + /* Initialize MII structure */ + dev->mii.dev = dev->net; + dev->mii.mdio_read = sr_mdio_read; + dev->mii.mdio_write = sr_mdio_write; + dev->mii.phy_id_mask = 0x1f; + dev->mii.reg_num_mask = 0x1f; + dev->mii.phy_id = sr_get_phy_addr(dev); + + dev->net->netdev_ops = &sr9800_netdev_ops; + dev->net->ethtool_ops = &sr9800_ethtool_ops; + + embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0); + /* Reset the PHY to normal operation mode */ + ret = sr_write_cmd(dev, SR_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL); + if (ret < 0) { + netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); + return ret; + } + + /* Init PHY routine */ + ret = sr9800_phy_powerup(dev); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl); + ret = sr_write_rx_ctl(dev, 0x0000); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl); + + /* Read PHYID register *AFTER* the PHY was reset properly */ + phyid = sr_get_phyid(dev); + netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid); + + /* medium mode setting */ + ret = sr9800_set_default_mode(dev); + if (ret < 0) + goto out; + + if (dev->udev->speed == USB_SPEED_HIGH) { + ret = sr_write_cmd(dev, SR_CMD_BULKIN_SIZE, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_4K].byte_cnt, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_4K].threshold, + 0, NULL); + if (ret < 0) { + netdev_err(dev->net, "Reset RX_CTL failed: %d\n", ret); + goto out; + } + dev->rx_urb_size = + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_4K].size; + } else { + ret = sr_write_cmd(dev, SR_CMD_BULKIN_SIZE, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_2K].byte_cnt, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_2K].threshold, + 0, NULL); + if (ret < 0) { + netdev_err(dev->net, "Reset RX_CTL failed: %d\n", ret); + goto out; + } + dev->rx_urb_size = + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_2K].size; + } + netdev_dbg(dev->net, "%s : setting rx_urb_size with : %zu\n", __func__, + dev->rx_urb_size); + return 0; + +out: + return ret; +} + +static const struct driver_info sr9800_driver_info = { + .description = "CoreChip SR9800 USB 2.0 Ethernet", + .bind = sr9800_bind, + .status = sr_status, + .link_reset = sr9800_link_reset, + .reset = sr9800_reset, + .flags = DRIVER_FLAG, + .rx_fixup = sr_rx_fixup, + .tx_fixup = sr_tx_fixup, +}; + +static const struct usb_device_id products[] = { + { + USB_DEVICE(0x0fe6, 0x9800), /* SR9800 Device */ + .driver_info = (unsigned long) &sr9800_driver_info, + }, + {}, /* END */ +}; + +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver sr_driver = { + .name = DRIVER_NAME, + .id_table = products, + .probe = usbnet_probe, + .suspend = usbnet_suspend, + .resume = usbnet_resume, + .disconnect = usbnet_disconnect, + .supports_autosuspend = 1, +}; + +module_usb_driver(sr_driver); + +MODULE_AUTHOR("Liu Junliang <liujunliang_ljl@163.com"); +MODULE_VERSION(DRIVER_VERSION); +MODULE_DESCRIPTION("SR9800 USB 2.0 USB2NET Dev : http://www.corechip-sz.com"); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/usb/sr9800.h b/drivers/net/usb/sr9800.h new file mode 100644 index 00000000000..18f67025127 --- /dev/null +++ b/drivers/net/usb/sr9800.h @@ -0,0 +1,202 @@ +/* CoreChip-sz SR9800 one chip USB 2.0 Ethernet Devices + * + * Author : Liu Junliang <liujunliang_ljl@163.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#ifndef _SR9800_H +#define _SR9800_H + +/* SR9800 spec. command table on Linux Platform */ + +/* command : Software Station Management Control Reg */ +#define SR_CMD_SET_SW_MII 0x06 +/* command : PHY Read Reg */ +#define SR_CMD_READ_MII_REG 0x07 +/* command : PHY Write Reg */ +#define SR_CMD_WRITE_MII_REG 0x08 +/* command : Hardware Station Management Control Reg */ +#define SR_CMD_SET_HW_MII 0x0a +/* command : SROM Read Reg */ +#define SR_CMD_READ_EEPROM 0x0b +/* command : SROM Write Reg */ +#define SR_CMD_WRITE_EEPROM 0x0c +/* command : SROM Write Enable Reg */ +#define SR_CMD_WRITE_ENABLE 0x0d +/* command : SROM Write Disable Reg */ +#define SR_CMD_WRITE_DISABLE 0x0e +/* command : RX Control Read Reg */ +#define SR_CMD_READ_RX_CTL 0x0f +#define SR_RX_CTL_PRO (1 << 0) +#define SR_RX_CTL_AMALL (1 << 1) +#define SR_RX_CTL_SEP (1 << 2) +#define SR_RX_CTL_AB (1 << 3) +#define SR_RX_CTL_AM (1 << 4) +#define SR_RX_CTL_AP (1 << 5) +#define SR_RX_CTL_ARP (1 << 6) +#define SR_RX_CTL_SO (1 << 7) +#define SR_RX_CTL_RH1M (1 << 8) +#define SR_RX_CTL_RH2M (1 << 9) +#define SR_RX_CTL_RH3M (1 << 10) +/* command : RX Control Write Reg */ +#define SR_CMD_WRITE_RX_CTL 0x10 +/* command : IPG0/IPG1/IPG2 Control Read Reg */ +#define SR_CMD_READ_IPG012 0x11 +/* command : IPG0/IPG1/IPG2 Control Write Reg */ +#define SR_CMD_WRITE_IPG012 0x12 +/* command : Node ID Read Reg */ +#define SR_CMD_READ_NODE_ID 0x13 +/* command : Node ID Write Reg */ +#define SR_CMD_WRITE_NODE_ID 0x14 +/* command : Multicast Filter Array Read Reg */ +#define SR_CMD_READ_MULTI_FILTER 0x15 +/* command : Multicast Filter Array Write Reg */ +#define SR_CMD_WRITE_MULTI_FILTER 0x16 +/* command : Eth/HomePNA PHY Address Reg */ +#define SR_CMD_READ_PHY_ID 0x19 +/* command : Medium Status Read Reg */ +#define SR_CMD_READ_MEDIUM_STATUS 0x1a +#define SR_MONITOR_LINK (1 << 1) +#define SR_MONITOR_MAGIC (1 << 2) +#define SR_MONITOR_HSFS (1 << 4) +/* command : Medium Status Write Reg */ +#define SR_CMD_WRITE_MEDIUM_MODE 0x1b +#define SR_MEDIUM_GM (1 << 0) +#define SR_MEDIUM_FD (1 << 1) +#define SR_MEDIUM_AC (1 << 2) +#define SR_MEDIUM_ENCK (1 << 3) +#define SR_MEDIUM_RFC (1 << 4) +#define SR_MEDIUM_TFC (1 << 5) +#define SR_MEDIUM_JFE (1 << 6) +#define SR_MEDIUM_PF (1 << 7) +#define SR_MEDIUM_RE (1 << 8) +#define SR_MEDIUM_PS (1 << 9) +#define SR_MEDIUM_RSV (1 << 10) +#define SR_MEDIUM_SBP (1 << 11) +#define SR_MEDIUM_SM (1 << 12) +/* command : Monitor Mode Status Read Reg */ +#define SR_CMD_READ_MONITOR_MODE 0x1c +/* command : Monitor Mode Status Write Reg */ +#define SR_CMD_WRITE_MONITOR_MODE 0x1d +/* command : GPIO Status Read Reg */ +#define SR_CMD_READ_GPIOS 0x1e +#define SR_GPIO_GPO0EN (1 << 0) /* GPIO0 Output enable */ +#define SR_GPIO_GPO_0 (1 << 1) /* GPIO0 Output value */ +#define SR_GPIO_GPO1EN (1 << 2) /* GPIO1 Output enable */ +#define SR_GPIO_GPO_1 (1 << 3) /* GPIO1 Output value */ +#define SR_GPIO_GPO2EN (1 << 4) /* GPIO2 Output enable */ +#define SR_GPIO_GPO_2 (1 << 5) /* GPIO2 Output value */ +#define SR_GPIO_RESERVED (1 << 6) /* Reserved */ +#define SR_GPIO_RSE (1 << 7) /* Reload serial EEPROM */ +/* command : GPIO Status Write Reg */ +#define SR_CMD_WRITE_GPIOS 0x1f +/* command : Eth PHY Power and Reset Control Reg */ +#define SR_CMD_SW_RESET 0x20 +#define SR_SWRESET_CLEAR 0x00 +#define SR_SWRESET_RR (1 << 0) +#define SR_SWRESET_RT (1 << 1) +#define SR_SWRESET_PRTE (1 << 2) +#define SR_SWRESET_PRL (1 << 3) +#define SR_SWRESET_BZ (1 << 4) +#define SR_SWRESET_IPRL (1 << 5) +#define SR_SWRESET_IPPD (1 << 6) +/* command : Software Interface Selection Status Read Reg */ +#define SR_CMD_SW_PHY_STATUS 0x21 +/* command : Software Interface Selection Status Write Reg */ +#define SR_CMD_SW_PHY_SELECT 0x22 +/* command : BULK in Buffer Size Reg */ +#define SR_CMD_BULKIN_SIZE 0x2A +/* command : LED_MUX Control Reg */ +#define SR_CMD_LED_MUX 0x70 +#define SR_LED_MUX_TX_ACTIVE (1 << 0) +#define SR_LED_MUX_RX_ACTIVE (1 << 1) +#define SR_LED_MUX_COLLISION (1 << 2) +#define SR_LED_MUX_DUP_COL (1 << 3) +#define SR_LED_MUX_DUP (1 << 4) +#define SR_LED_MUX_SPEED (1 << 5) +#define SR_LED_MUX_LINK_ACTIVE (1 << 6) +#define SR_LED_MUX_LINK (1 << 7) + +/* Register Access Flags */ +#define SR_REQ_RD_REG (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE) +#define SR_REQ_WR_REG (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE) + +/* Multicast Filter Array size & Max Number */ +#define SR_MCAST_FILTER_SIZE 8 +#define SR_MAX_MCAST 64 + +/* IPG0/1/2 Default Value */ +#define SR9800_IPG0_DEFAULT 0x15 +#define SR9800_IPG1_DEFAULT 0x0c +#define SR9800_IPG2_DEFAULT 0x12 + +/* Medium Status Default Mode */ +#define SR9800_MEDIUM_DEFAULT \ + (SR_MEDIUM_FD | SR_MEDIUM_RFC | \ + SR_MEDIUM_TFC | SR_MEDIUM_PS | \ + SR_MEDIUM_AC | SR_MEDIUM_RE) + +/* RX Control Default Setting */ +#define SR_DEFAULT_RX_CTL \ + (SR_RX_CTL_SO | SR_RX_CTL_AB | SR_RX_CTL_RH1M) + +/* EEPROM Magic Number & EEPROM Size */ +#define SR_EEPROM_MAGIC 0xdeadbeef +#define SR9800_EEPROM_LEN 0xff + +/* SR9800 Driver Version and Driver Name */ +#define DRIVER_VERSION "11-Nov-2013" +#define DRIVER_NAME "CoreChips" +#define DRIVER_FLAG \ + (FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET) + +/* SR9800 BULKIN Buffer Size */ +#define SR9800_MAX_BULKIN_2K 0 +#define SR9800_MAX_BULKIN_4K 1 +#define SR9800_MAX_BULKIN_6K 2 +#define SR9800_MAX_BULKIN_8K 3 +#define SR9800_MAX_BULKIN_16K 4 +#define SR9800_MAX_BULKIN_20K 5 +#define SR9800_MAX_BULKIN_24K 6 +#define SR9800_MAX_BULKIN_32K 7 + +struct {unsigned short size, byte_cnt, threshold; } SR9800_BULKIN_SIZE[] = { + /* 2k */ + {2048, 0x8000, 0x8001}, + /* 4k */ + {4096, 0x8100, 0x8147}, + /* 6k */ + {6144, 0x8200, 0x81EB}, + /* 8k */ + {8192, 0x8300, 0x83D7}, + /* 16 */ + {16384, 0x8400, 0x851E}, + /* 20k */ + {20480, 0x8500, 0x8666}, + /* 24k */ + {24576, 0x8600, 0x87AE}, + /* 32k */ + {32768, 0x8700, 0x8A3D}, +}; + +/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */ +struct sr_data { + u8 multi_filter[SR_MCAST_FILTER_SIZE]; + u8 mac_addr[ETH_ALEN]; + u8 phymode; + u8 ledmode; + u8 eeprom_len; +}; + +struct sr9800_int_data { + __le16 res1; + u8 link; + __le16 res2; + u8 status; + __le16 res3; +} __packed; + +#endif /* _SR9800_H */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 4671da755e7..dd10d5817d2 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -542,17 +542,19 @@ static inline void rx_process (struct usbnet *dev, struct sk_buff *skb) } // else network stack removes extra byte if we forced a short packet - if (skb->len) { - /* all data was already cloned from skb inside the driver */ - if (dev->driver_info->flags & FLAG_MULTI_PACKET) - dev_kfree_skb_any(skb); - else - usbnet_skb_return(dev, skb); + /* all data was already cloned from skb inside the driver */ + if (dev->driver_info->flags & FLAG_MULTI_PACKET) + goto done; + + if (skb->len < ETH_HLEN) { + dev->net->stats.rx_errors++; + dev->net->stats.rx_length_errors++; + netif_dbg(dev, rx_err, dev->net, "rx length %d\n", skb->len); + } else { + usbnet_skb_return(dev, skb); return; } - netif_dbg(dev, rx_err, dev->net, "drop\n"); - dev->net->stats.rx_errors++; done: skb_queue_tail(&dev->done, skb); } @@ -574,13 +576,6 @@ static void rx_complete (struct urb *urb) switch (urb_status) { /* success */ case 0: - if (skb->len < dev->net->hard_header_len) { - state = rx_cleanup; - dev->net->stats.rx_errors++; - dev->net->stats.rx_length_errors++; - netif_dbg(dev, rx_err, dev->net, - "rx length %d\n", skb->len); - } break; /* stalls need manual reset. this is rare ... except that diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 026a313c2d2..b0f705c2378 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -469,7 +469,6 @@ static inline struct hlist_head *vxlan_fdb_head(struct vxlan_dev *vxlan, /* Look up Ethernet address in forwarding table */ static struct vxlan_fdb *__vxlan_find_mac(struct vxlan_dev *vxlan, const u8 *mac) - { struct hlist_head *head = vxlan_fdb_head(vxlan, mac); struct vxlan_fdb *f; @@ -596,10 +595,8 @@ static struct sk_buff **vxlan_gro_receive(struct sk_buff **head, struct sk_buff NAPI_GRO_CB(p)->same_flow = 0; continue; } - goto found; } -found: type = eh->h_proto; rcu_read_lock(); diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c index 0d1c7592efa..19f7cb2cdef 100644 --- a/drivers/net/wan/dlci.c +++ b/drivers/net/wan/dlci.c @@ -71,12 +71,9 @@ static int dlci_header(struct sk_buff *skb, struct net_device *dev, const void *saddr, unsigned len) { struct frhdr hdr; - struct dlci_local *dlp; unsigned int hlen; char *dest; - dlp = netdev_priv(dev); - hdr.control = FRAD_I_UI; switch (type) { @@ -107,11 +104,9 @@ static int dlci_header(struct sk_buff *skb, struct net_device *dev, static void dlci_receive(struct sk_buff *skb, struct net_device *dev) { - struct dlci_local *dlp; struct frhdr *hdr; int process, header; - dlp = netdev_priv(dev); if (!pskb_may_pull(skb, sizeof(*hdr))) { netdev_notice(dev, "invalid data no header\n"); dev->stats.rx_errors++; diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c index 8aa20df55e5..507d9a9ee69 100644 --- a/drivers/net/wireless/ath/ar5523/ar5523.c +++ b/drivers/net/wireless/ath/ar5523/ar5523.c @@ -1764,7 +1764,7 @@ static struct usb_device_id ar5523_id_table[] = { AR5523_DEVICE_UG(0x07d1, 0x3a07), /* D-Link / WUA-2340 rev A1 */ AR5523_DEVICE_UG(0x1690, 0x0712), /* Gigaset / AR5523 */ AR5523_DEVICE_UG(0x1690, 0x0710), /* Gigaset / SMCWUSBTG */ - AR5523_DEVICE_UG(0x129b, 0x160c), /* Gigaset / USB stick 108 + AR5523_DEVICE_UG(0x129b, 0x160b), /* Gigaset / USB stick 108 (CyberTAN Technology) */ AR5523_DEVICE_UG(0x16ab, 0x7801), /* Globalsun / AR5523_1 */ AR5523_DEVICE_UX(0x16ab, 0x7811), /* Globalsun / AR5523_2 */ diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index d6bc7cb61bf..1a2973b7acf 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -110,7 +110,7 @@ ath5k_hw_radio_revision(struct ath5k_hw *ah, enum ieee80211_band band) ath5k_hw_reg_write(ah, 0x00010000, AR5K_PHY(0x20)); if (ah->ah_version == AR5K_AR5210) { - srev = ath5k_hw_reg_read(ah, AR5K_PHY(256) >> 28) & 0xf; + srev = (ath5k_hw_reg_read(ah, AR5K_PHY(256)) >> 28) & 0xf; ret = (u16)ath5k_hw_bitswap(srev, 4) + 1; } else { srev = (ath5k_hw_reg_read(ah, AR5K_PHY(0x100)) >> 24) & 0xff; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 25243cbc07f..b8daff78b9d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -5065,6 +5065,10 @@ static u16 ar9003_hw_get_max_edge_power(struct ar9300_eeprom *eep, break; } } + + if (is2GHz && !twiceMaxEdgePower) + twiceMaxEdgePower = 60; + return twiceMaxEdgePower; } diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 58da3468d1f..99a203174f4 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -262,6 +262,8 @@ enum tid_aggr_state { struct ath9k_htc_sta { u8 index; enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID]; + struct work_struct rc_update_work; + struct ath9k_htc_priv *htc_priv; }; #define ATH9K_HTC_RXBUF 256 diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index f4e1de20d99..c57d6b859c0 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -34,6 +34,10 @@ static int ath9k_htc_btcoex_enable; module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444); MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence"); +static int ath9k_ps_enable; +module_param_named(ps_enable, ath9k_ps_enable, int, 0444); +MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave"); + #define CHAN2G(_freq, _idx) { \ .center_freq = (_freq), \ .hw_value = (_idx), \ @@ -725,12 +729,14 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_HAS_RATE_CONTROL | IEEE80211_HW_RX_INCLUDES_FCS | - IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_MFP_CAPABLE | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; + if (ath9k_ps_enable) + hw->flags |= IEEE80211_HW_SUPPORTS_PS; + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) | diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 608d739d137..c9254a61ca5 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1270,18 +1270,50 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw, mutex_unlock(&priv->mutex); } +static void ath9k_htc_sta_rc_update_work(struct work_struct *work) +{ + struct ath9k_htc_sta *ista = + container_of(work, struct ath9k_htc_sta, rc_update_work); + struct ieee80211_sta *sta = + container_of((void *)ista, struct ieee80211_sta, drv_priv); + struct ath9k_htc_priv *priv = ista->htc_priv; + struct ath_common *common = ath9k_hw_common(priv->ah); + struct ath9k_htc_target_rate trate; + + mutex_lock(&priv->mutex); + ath9k_htc_ps_wakeup(priv); + + memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); + ath9k_htc_setup_rate(priv, sta, &trate); + if (!ath9k_htc_send_rate_cmd(priv, &trate)) + ath_dbg(common, CONFIG, + "Supported rates for sta: %pM updated, rate caps: 0x%X\n", + sta->addr, be32_to_cpu(trate.capflags)); + else + ath_dbg(common, CONFIG, + "Unable to update supported rates for sta: %pM\n", + sta->addr); + + ath9k_htc_ps_restore(priv); + mutex_unlock(&priv->mutex); +} + static int ath9k_htc_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct ath9k_htc_priv *priv = hw->priv; + struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; int ret; mutex_lock(&priv->mutex); ath9k_htc_ps_wakeup(priv); ret = ath9k_htc_add_station(priv, vif, sta); - if (!ret) + if (!ret) { + INIT_WORK(&ista->rc_update_work, ath9k_htc_sta_rc_update_work); + ista->htc_priv = priv; ath9k_htc_init_rate(priv, sta); + } ath9k_htc_ps_restore(priv); mutex_unlock(&priv->mutex); @@ -1293,12 +1325,13 @@ static int ath9k_htc_sta_remove(struct ieee80211_hw *hw, struct ieee80211_sta *sta) { struct ath9k_htc_priv *priv = hw->priv; - struct ath9k_htc_sta *ista; + struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; int ret; + cancel_work_sync(&ista->rc_update_work); + mutex_lock(&priv->mutex); ath9k_htc_ps_wakeup(priv); - ista = (struct ath9k_htc_sta *) sta->drv_priv; htc_sta_drain(priv->htc, ista->index); ret = ath9k_htc_remove_station(priv, vif, sta); ath9k_htc_ps_restore(priv); @@ -1311,28 +1344,12 @@ static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u32 changed) { - struct ath9k_htc_priv *priv = hw->priv; - struct ath_common *common = ath9k_hw_common(priv->ah); - struct ath9k_htc_target_rate trate; - - mutex_lock(&priv->mutex); - ath9k_htc_ps_wakeup(priv); + struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; - if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { - memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); - ath9k_htc_setup_rate(priv, sta, &trate); - if (!ath9k_htc_send_rate_cmd(priv, &trate)) - ath_dbg(common, CONFIG, - "Supported rates for sta: %pM updated, rate caps: 0x%X\n", - sta->addr, be32_to_cpu(trate.capflags)); - else - ath_dbg(common, CONFIG, - "Unable to update supported rates for sta: %pM\n", - sta->addr); - } + if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED)) + return; - ath9k_htc_ps_restore(priv); - mutex_unlock(&priv->mutex); + schedule_work(&ista->rc_update_work); } static int ath9k_htc_conf_tx(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index fbf43c05713..11eab9f01fd 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1316,7 +1316,7 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type) if (AR_SREV_9300_20_OR_LATER(ah)) udelay(50); else if (AR_SREV_9100(ah)) - udelay(10000); + mdelay(10); else udelay(100); @@ -2051,9 +2051,8 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah) REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); - if (AR_SREV_9100(ah)) - udelay(10000); + mdelay(10); else udelay(50); diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index c36de303c8f..1fc2e5a26b5 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -57,6 +57,10 @@ static int ath9k_bt_ant_diversity; module_param_named(bt_ant_diversity, ath9k_bt_ant_diversity, int, 0444); MODULE_PARM_DESC(bt_ant_diversity, "Enable WLAN/BT RX antenna diversity"); +static int ath9k_ps_enable; +module_param_named(ps_enable, ath9k_ps_enable, int, 0444); +MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave"); + bool is_ath9k_unloaded; /* We use the hw_value as an index into our private channel structure */ @@ -903,13 +907,15 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_RC_TABLE | IEEE80211_HW_SUPPORTS_HT_CCK_RATES; + if (ath9k_ps_enable) + hw->flags |= IEEE80211_HW_SUPPORTS_PS; + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) { hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; diff --git a/drivers/net/wireless/hostap/hostap_proc.c b/drivers/net/wireless/hostap/hostap_proc.c index aa7ad3a7a69..4e5c0f8c949 100644 --- a/drivers/net/wireless/hostap/hostap_proc.c +++ b/drivers/net/wireless/hostap/hostap_proc.c @@ -496,7 +496,7 @@ void hostap_init_proc(local_info_t *local) void hostap_remove_proc(local_info_t *local) { - remove_proc_subtree(local->ddev->name, hostap_proc); + proc_remove(local->proc); } diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index c24d1d3d55f..73086c1629c 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c @@ -696,6 +696,24 @@ static int iwlagn_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return ret; } +static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg) +{ + if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) + return false; + return true; +} + +static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg) +{ + if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) + return false; + if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG) + return true; + + /* disabled by default */ + return false; +} + static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum ieee80211_ampdu_mlme_action action, @@ -717,7 +735,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, switch (action) { case IEEE80211_AMPDU_RX_START: - if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) + if (!iwl_enable_rx_ampdu(priv->cfg)) break; IWL_DEBUG_HT(priv, "start Rx\n"); ret = iwl_sta_rx_agg_start(priv, sta, tid, *ssn); @@ -729,7 +747,7 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_TX_START: if (!priv->trans->ops->txq_enable) break; - if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) + if (!iwl_enable_tx_ampdu(priv->cfg)) break; IWL_DEBUG_HT(priv, "start Tx\n"); ret = iwlagn_tx_agg_start(priv, vif, sta, tid, ssn); diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index c3728163be4..75103554cd6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -1286,7 +1286,7 @@ module_param_named(swcrypto, iwlwifi_mod_params.sw_crypto, int, S_IRUGO); MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])"); module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, S_IRUGO); MODULE_PARM_DESC(11n_disable, - "disable 11n functionality, bitmap: 1: full, 2: agg TX, 4: agg RX"); + "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); module_param_named(amsdu_size_8K, iwlwifi_mod_params.amsdu_size_8K, int, S_IRUGO); MODULE_PARM_DESC(amsdu_size_8K, "enable 8K amsdu size (default 0)"); diff --git a/drivers/net/wireless/iwlwifi/iwl-modparams.h b/drivers/net/wireless/iwlwifi/iwl-modparams.h index 0a84ade7eda..b29075c3da8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-modparams.h +++ b/drivers/net/wireless/iwlwifi/iwl-modparams.h @@ -79,9 +79,12 @@ enum iwl_power_level { IWL_POWER_NUM }; -#define IWL_DISABLE_HT_ALL BIT(0) -#define IWL_DISABLE_HT_TXAGG BIT(1) -#define IWL_DISABLE_HT_RXAGG BIT(2) +enum iwl_disable_11n { + IWL_DISABLE_HT_ALL = BIT(0), + IWL_DISABLE_HT_TXAGG = BIT(1), + IWL_DISABLE_HT_RXAGG = BIT(2), + IWL_ENABLE_HT_TXAGG = BIT(3), +}; /** * struct iwl_mod_params @@ -90,7 +93,7 @@ enum iwl_power_level { * * @sw_crypto: using hardware encryption, default = 0 * @disable_11n: disable 11n capabilities, default = 0, - * use IWL_DISABLE_HT_* constants + * use IWL_[DIS,EN]ABLE_HT_* constants * @amsdu_size_8K: enable 8K amsdu size, default = 0 * @restart_fw: restart firmware, default = 1 * @wd_disable: enable stuck queue check, default = 0 diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index f06f4cbe131..725e954d847 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -182,6 +182,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, for (ch_idx = 0; ch_idx < IWL_NUM_CHANNELS; ch_idx++) { ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx); + + if (ch_idx >= NUM_2GHZ_CHANNELS && + !data->sku_cap_band_52GHz_enable) + ch_flags &= ~NVM_CHANNEL_VALID; + if (!(ch_flags & NVM_CHANNEL_VALID)) { IWL_DEBUG_EEPROM(dev, "Ch. %d Flags %x [%sGHz] - No traffic\n", diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index 73cbba7424f..9426905de6b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -504,6 +504,7 @@ struct iwl_scan_offload_profile { * @match_notify: clients waiting for match found notification * @pass_match: clients waiting for the results * @active_clients: active clients bitmap - enum scan_framework_client + * @any_beacon_notify: clients waiting for match notification without match */ struct iwl_scan_offload_profile_cfg { struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES]; @@ -512,7 +513,8 @@ struct iwl_scan_offload_profile_cfg { u8 match_notify; u8 pass_match; u8 active_clients; - u8 reserved[3]; + u8 any_beacon_notify; + u8 reserved[2]; } __packed; /** diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index c49b5073c25..c35b8661b39 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -246,7 +246,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) else hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; - if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) { + if (0 && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) { hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; @@ -328,6 +328,24 @@ static void iwl_mvm_mac_tx(struct ieee80211_hw *hw, ieee80211_free_txskb(hw, skb); } +static inline bool iwl_enable_rx_ampdu(const struct iwl_cfg *cfg) +{ + if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) + return false; + return true; +} + +static inline bool iwl_enable_tx_ampdu(const struct iwl_cfg *cfg) +{ + if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) + return false; + if (iwlwifi_mod_params.disable_11n & IWL_ENABLE_HT_TXAGG) + return true; + + /* enabled by default */ + return true; +} + static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum ieee80211_ampdu_mlme_action action, @@ -347,7 +365,7 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, switch (action) { case IEEE80211_AMPDU_RX_START: - if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_RXAGG) { + if (!iwl_enable_rx_ampdu(mvm->cfg)) { ret = -EINVAL; break; } @@ -357,7 +375,7 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false); break; case IEEE80211_AMPDU_TX_START: - if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) { + if (!iwl_enable_tx_ampdu(mvm->cfg)) { ret = -EINVAL; break; } diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 0e000796061..742afc429c9 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -344,7 +344,8 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, iwl_mvm_scan_fill_ssids(cmd, req, basic_ssid ? 1 : 0); - cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL); + cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | + TX_CMD_FLG_BT_DIS); cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id; cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); cmd->tx_cmd.rate_n_flags = @@ -807,6 +808,8 @@ int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, profile_cfg->active_clients = SCAN_CLIENT_SCHED_SCAN; profile_cfg->pass_match = SCAN_CLIENT_SCHED_SCAN; profile_cfg->match_notify = SCAN_CLIENT_SCHED_SCAN; + if (!req->n_match_sets || !req->match_sets[0].ssid.ssid_len) + profile_cfg->any_beacon_notify = SCAN_CLIENT_SCHED_SCAN; for (i = 0; i < req->n_match_sets; i++) { profile = &profile_cfg->profiles[i]; diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index ec181213323..3397f59cd4e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -652,7 +652,7 @@ int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); static const u8 _baddr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; - static const u8 *baddr = _baddr; + const u8 *baddr = _baddr; lockdep_assert_held(&mvm->mutex); diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 90378c217bc..4df12fa9d33 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -659,8 +659,14 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, rcu_read_lock(); sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + /* + * sta can't be NULL otherwise it'd mean that the sta has been freed in + * the firmware while we still have packets for it in the Tx queues. + */ + if (WARN_ON_ONCE(!sta)) + goto out; - if (!IS_ERR_OR_NULL(sta)) { + if (!IS_ERR(sta)) { mvmsta = iwl_mvm_sta_from_mac80211(sta); if (tid != IWL_TID_NON_QOS) { @@ -675,7 +681,6 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, spin_unlock_bh(&mvmsta->lock); } } else { - sta = NULL; mvmsta = NULL; } @@ -683,42 +688,38 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, * If the txq is not an AMPDU queue, there is no chance we freed * several skbs. Check that out... */ - if (txq_id < mvm->first_agg_queue && !WARN_ON(skb_freed > 1) && - atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) { - if (mvmsta) { - /* - * If there are no pending frames for this STA, notify - * mac80211 that this station can go to sleep in its - * STA table. - */ - if (mvmsta->vif->type == NL80211_IFTYPE_AP) - ieee80211_sta_block_awake(mvm->hw, sta, false); - /* - * We might very well have taken mvmsta pointer while - * the station was being removed. The remove flow might - * have seen a pending_frame (because we didn't take - * the lock) even if now the queues are drained. So make - * really sure now that this the station is not being - * removed. If it is, run the drain worker to remove it. - */ - spin_lock_bh(&mvmsta->lock); - sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); - if (!sta || PTR_ERR(sta) == -EBUSY) { - /* - * Station disappeared in the meantime: - * so we are draining. - */ - set_bit(sta_id, mvm->sta_drained); - schedule_work(&mvm->sta_drained_wk); - } - spin_unlock_bh(&mvmsta->lock); - } else if (!mvmsta && PTR_ERR(sta) == -EBUSY) { - /* Tx response without STA, so we are draining */ - set_bit(sta_id, mvm->sta_drained); - schedule_work(&mvm->sta_drained_wk); - } + if (txq_id >= mvm->first_agg_queue) + goto out; + + /* We can't free more than one frame at once on a shared queue */ + WARN_ON(skb_freed > 1); + + /* If we have still frames from this STA nothing to do here */ + if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) + goto out; + + if (mvmsta && mvmsta->vif->type == NL80211_IFTYPE_AP) { + /* + * If there are no pending frames for this STA, notify + * mac80211 that this station can go to sleep in its + * STA table. + * If mvmsta is not NULL, sta is valid. + */ + ieee80211_sta_block_awake(mvm->hw, sta, false); + } + + if (PTR_ERR(sta) == -EBUSY || PTR_ERR(sta) == -ENOENT) { + /* + * We are draining and this was the last packet - pre_rcu_remove + * has been called already. We might be after the + * synchronize_net already. + * Don't rely on iwl_mvm_rm_sta to see the empty Tx queues. + */ + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); } +out: rcu_read_unlock(); } diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index a4a5e25623c..86989df6935 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -411,6 +411,8 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) mvm->status, table.valid); } + IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version); + trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, table.data1, table.data2, table.data3, table.blink1, table.blink2, table.ilink1, diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 3040924f5f3..f47bcbe2945 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -359,20 +359,25 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { /* 7265 Series */ {IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5110, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5112, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5100, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x510A, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5310, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5210, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5000, iwl7265_2n_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5200, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5002, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5202, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9010, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9012, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9112, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)}, diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 4d79761b9c8..9d3d2758ec3 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -748,7 +748,7 @@ static struct net_device_stats *mwifiex_get_stats(struct net_device *dev) static u16 mwifiex_netdev_select_wmm_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { skb->priority = cfg80211_classify8021d(skb, NULL); return mwifiex_1d_to_wmm_queue[skb->priority]; diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index abc5f56f29f..2f1cd929c6f 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1877,6 +1877,11 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) EEPROM_MAC_ADDR_0)); /* + * Disable powersaving as default. + */ + rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + + /* * Initialize hw_mode information. */ spec->supported_bands = SUPPORT_BAND_2GHZ; diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 9f16824cd1b..d849d590de2 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1706,6 +1706,11 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK; + /* + * Disable powersaving as default. + */ + rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, rt2x00_eeprom_addr(rt2x00dev, diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index b8f5b06006c..7f8b5d156c8 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -7458,10 +7458,9 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) u32 reg; /* - * Disable powersaving as default on PCI devices. + * Disable powersaving as default. */ - if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) - rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; /* * Initialize all hw fields. diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c index 8ec17aad0e5..3867d1470b3 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c @@ -107,6 +107,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) struct rtl8180_priv *priv = dev->priv; unsigned int count = 32; u8 signal, agc, sq; + dma_addr_t mapping; while (count--) { struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx]; @@ -128,6 +129,17 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) if (unlikely(!new_skb)) goto done; + mapping = pci_map_single(priv->pdev, + skb_tail_pointer(new_skb), + MAX_RX_SIZE, PCI_DMA_FROMDEVICE); + + if (pci_dma_mapping_error(priv->pdev, mapping)) { + kfree_skb(new_skb); + dev_err(&priv->pdev->dev, "RX DMA map error\n"); + + goto done; + } + pci_unmap_single(priv->pdev, *((dma_addr_t *)skb->cb), MAX_RX_SIZE, PCI_DMA_FROMDEVICE); @@ -158,9 +170,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) skb = new_skb; priv->rx_buf[priv->rx_idx] = skb; - *((dma_addr_t *) skb->cb) = - pci_map_single(priv->pdev, skb_tail_pointer(skb), - MAX_RX_SIZE, PCI_DMA_FROMDEVICE); + *((dma_addr_t *) skb->cb) = mapping; } done: @@ -266,6 +276,13 @@ static void rtl8180_tx(struct ieee80211_hw *dev, mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(priv->pdev, mapping)) { + kfree_skb(skb); + dev_err(&priv->pdev->dev, "TX DMA mapping error\n"); + return; + + } + tx_flags = RTL818X_TX_DESC_FLAG_OWN | RTL818X_TX_DESC_FLAG_FS | RTL818X_TX_DESC_FLAG_LS | (ieee80211_get_tx_rate(dev, info)->hw_value << 24) | diff --git a/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h b/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h index 56aee067f32..a6ad79f61bf 100644 --- a/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h +++ b/drivers/net/wireless/rtl818x/rtl8187/rtl8187.h @@ -15,6 +15,8 @@ #ifndef RTL8187_H #define RTL8187_H +#include <linux/cache.h> + #include "rtl818x.h" #include "leds.h" @@ -139,7 +141,10 @@ struct rtl8187_priv { u8 aifsn[4]; u8 rfkill_mask; struct { - __le64 buf; + union { + __le64 buf; + u8 dummy1[L1_CACHE_BYTES]; + } ____cacheline_aligned; struct sk_buff_head queue; } b_tx_status; /* This queue is used by both -b and non-b devices */ struct mutex io_mutex; @@ -147,7 +152,8 @@ struct rtl8187_priv { u8 bits8; __le16 bits16; __le32 bits32; - } *io_dmabuf; + u8 dummy2[L1_CACHE_BYTES]; + } *io_dmabuf ____cacheline_aligned; bool rfkill_off; u16 seqno; }; diff --git a/drivers/net/wireless/rtlwifi/ps.c b/drivers/net/wireless/rtlwifi/ps.c index deedae3c544..d1c0191a195 100644 --- a/drivers/net/wireless/rtlwifi/ps.c +++ b/drivers/net/wireless/rtlwifi/ps.c @@ -48,7 +48,7 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw) /*<2> Enable Adapter */ if (rtlpriv->cfg->ops->hw_init(hw)) - return 1; + return false; RT_CLEAR_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC); /*<3> Enable Interrupt */ diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c index a82b30a1996..2eb0b38384d 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c @@ -937,14 +937,26 @@ int rtl92ce_hw_init(struct ieee80211_hw *hw) bool is92c; int err; u8 tmp_u1b; + unsigned long flags; rtlpci->being_init_adapter = true; + + /* Since this function can take a very long time (up to 350 ms) + * and can be called with irqs disabled, reenable the irqs + * to let the other devices continue being serviced. + * + * It is safe doing so since our own interrupts will only be enabled + * in a subsequent step. + */ + local_save_flags(flags); + local_irq_enable(); + rtlpriv->intf_ops->disable_aspm(hw); rtstatus = _rtl92ce_init_mac(hw); if (!rtstatus) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Init MAC failed\n"); err = 1; - return err; + goto exit; } err = rtl92c_download_fw(hw); @@ -952,7 +964,7 @@ int rtl92ce_hw_init(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "Failed to download FW. Init HW without FW now..\n"); err = 1; - return err; + goto exit; } rtlhal->last_hmeboxnum = 0; @@ -1032,6 +1044,8 @@ int rtl92ce_hw_init(struct ieee80211_hw *hw) RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, "under 1.5V\n"); } rtl92c_dm_init(hw); +exit: + local_irq_restore(flags); rtlpci->being_init_adapter = false; return err; } diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 4c76bcb9a87..ae413a2cbee 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -143,11 +143,7 @@ struct xenvif { char rx_irq_name[IFNAMSIZ+4]; /* DEVNAME-rx */ struct xen_netif_rx_back_ring rx; struct sk_buff_head rx_queue; - bool rx_queue_stopped; - /* Set when the RX interrupt is triggered by the frontend. - * The worker thread may need to wake the queue. - */ - bool rx_event; + RING_IDX rx_last_skb_slots; /* This array is allocated seperately as it is large */ struct gnttab_copy *grant_copy_op; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index b9de31ea7fc..7669d49a67e 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -100,7 +100,6 @@ static irqreturn_t xenvif_rx_interrupt(int irq, void *dev_id) { struct xenvif *vif = dev_id; - vif->rx_event = true; xenvif_kick_thread(vif); return IRQ_HANDLED; diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 6b62c3eb8e1..e5284bca2d9 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -476,7 +476,6 @@ static void xenvif_rx_action(struct xenvif *vif) unsigned long offset; struct skb_cb_overlay *sco; bool need_to_notify = false; - bool ring_full = false; struct netrx_pending_operations npo = { .copy = vif->grant_copy_op, @@ -486,7 +485,7 @@ static void xenvif_rx_action(struct xenvif *vif) skb_queue_head_init(&rxq); while ((skb = skb_dequeue(&vif->rx_queue)) != NULL) { - int max_slots_needed; + RING_IDX max_slots_needed; int i; /* We need a cheap worse case estimate for the number of @@ -509,9 +508,10 @@ static void xenvif_rx_action(struct xenvif *vif) if (!xenvif_rx_ring_slots_available(vif, max_slots_needed)) { skb_queue_head(&vif->rx_queue, skb); need_to_notify = true; - ring_full = true; + vif->rx_last_skb_slots = max_slots_needed; break; - } + } else + vif->rx_last_skb_slots = 0; sco = (struct skb_cb_overlay *)skb->cb; sco->meta_slots_used = xenvif_gop_skb(skb, &npo); @@ -522,8 +522,6 @@ static void xenvif_rx_action(struct xenvif *vif) BUG_ON(npo.meta_prod > ARRAY_SIZE(vif->meta)); - vif->rx_queue_stopped = !npo.copy_prod && ring_full; - if (!npo.copy_prod) goto done; @@ -1473,8 +1471,8 @@ static struct xen_netif_rx_response *make_rx_response(struct xenvif *vif, static inline int rx_work_todo(struct xenvif *vif) { - return (!skb_queue_empty(&vif->rx_queue) && !vif->rx_queue_stopped) || - vif->rx_event; + return !skb_queue_empty(&vif->rx_queue) && + xenvif_rx_ring_slots_available(vif, vif->rx_last_skb_slots); } static inline int tx_work_todo(struct xenvif *vif) @@ -1560,8 +1558,6 @@ int xenvif_kthread(void *data) if (!skb_queue_empty(&vif->rx_queue)) xenvif_rx_action(vif); - vif->rx_event = false; - if (skb_queue_empty(&vif->rx_queue) && netif_queue_stopped(vif->dev)) xenvif_start_queue(vif); diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index ff04d4f95ba..f9daa9e183f 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1832,7 +1832,6 @@ static void netback_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateInitWait: @@ -1847,6 +1846,10 @@ static void netback_changed(struct xenbus_device *dev, netdev_notify_peers(netdev); break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/of/address.c b/drivers/of/address.c index d3dd41c840f..1a54f1ffaad 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -99,11 +99,12 @@ static unsigned int of_bus_default_get_flags(const __be32 *addr) static int of_bus_pci_match(struct device_node *np) { /* + * "pciex" is PCI Express * "vci" is for the /chaos bridge on 1st-gen PCI powermacs * "ht" is hypertransport */ - return !strcmp(np->type, "pci") || !strcmp(np->type, "vci") || - !strcmp(np->type, "ht"); + return !strcmp(np->type, "pci") || !strcmp(np->type, "pciex") || + !strcmp(np->type, "vci") || !strcmp(np->type, "ht"); } static void of_bus_pci_count_cells(struct device_node *np, diff --git a/drivers/of/base.c b/drivers/of/base.c index ff85450d568..89e888a7889 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -342,27 +342,72 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) } EXPORT_SYMBOL(of_get_cpu_node); -/** Checks if the given "compat" string matches one of the strings in - * the device's "compatible" property +/** + * __of_device_is_compatible() - Check if the node matches given constraints + * @device: pointer to node + * @compat: required compatible string, NULL or "" for any match + * @type: required device_type value, NULL or "" for any match + * @name: required node name, NULL or "" for any match + * + * Checks if the given @compat, @type and @name strings match the + * properties of the given @device. A constraints can be skipped by + * passing NULL or an empty string as the constraint. + * + * Returns 0 for no match, and a positive integer on match. The return + * value is a relative score with larger values indicating better + * matches. The score is weighted for the most specific compatible value + * to get the highest score. Matching type is next, followed by matching + * name. Practically speaking, this results in the following priority + * order for matches: + * + * 1. specific compatible && type && name + * 2. specific compatible && type + * 3. specific compatible && name + * 4. specific compatible + * 5. general compatible && type && name + * 6. general compatible && type + * 7. general compatible && name + * 8. general compatible + * 9. type && name + * 10. type + * 11. name */ static int __of_device_is_compatible(const struct device_node *device, - const char *compat) + const char *compat, const char *type, const char *name) { - const char* cp; - int cplen, l; + struct property *prop; + const char *cp; + int index = 0, score = 0; + + /* Compatible match has highest priority */ + if (compat && compat[0]) { + prop = __of_find_property(device, "compatible", NULL); + for (cp = of_prop_next_string(prop, NULL); cp; + cp = of_prop_next_string(prop, cp), index++) { + if (of_compat_cmp(cp, compat, strlen(compat)) == 0) { + score = INT_MAX/2 - (index << 2); + break; + } + } + if (!score) + return 0; + } - cp = __of_get_property(device, "compatible", &cplen); - if (cp == NULL) - return 0; - while (cplen > 0) { - if (of_compat_cmp(cp, compat, strlen(compat)) == 0) - return 1; - l = strlen(cp) + 1; - cp += l; - cplen -= l; + /* Matching type is better than matching name */ + if (type && type[0]) { + if (!device->type || of_node_cmp(type, device->type)) + return 0; + score += 2; } - return 0; + /* Matching name is a bit better than not */ + if (name && name[0]) { + if (!device->name || of_node_cmp(name, device->name)) + return 0; + score++; + } + + return score; } /** Checks if the given "compat" string matches one of the strings in @@ -375,7 +420,7 @@ int of_device_is_compatible(const struct device_node *device, int res; raw_spin_lock_irqsave(&devtree_lock, flags); - res = __of_device_is_compatible(device, compat); + res = __of_device_is_compatible(device, compat, NULL, NULL); raw_spin_unlock_irqrestore(&devtree_lock, flags); return res; } @@ -681,10 +726,7 @@ struct device_node *of_find_compatible_node(struct device_node *from, raw_spin_lock_irqsave(&devtree_lock, flags); np = from ? from->allnext : of_allnodes; for (; np; np = np->allnext) { - if (type - && !(np->type && (of_node_cmp(np->type, type) == 0))) - continue; - if (__of_device_is_compatible(np, compatible) && + if (__of_device_is_compatible(np, compatible, type, NULL) && of_node_get(np)) break; } @@ -734,43 +776,22 @@ static const struct of_device_id *__of_match_node(const struct of_device_id *matches, const struct device_node *node) { - const char *cp; - int cplen, l; + const struct of_device_id *best_match = NULL; + int score, best_score = 0; if (!matches) return NULL; - cp = __of_get_property(node, "compatible", &cplen); - do { - const struct of_device_id *m = matches; - - /* Check against matches with current compatible string */ - while (m->name[0] || m->type[0] || m->compatible[0]) { - int match = 1; - if (m->name[0]) - match &= node->name - && !strcmp(m->name, node->name); - if (m->type[0]) - match &= node->type - && !strcmp(m->type, node->type); - if (m->compatible[0]) - match &= cp - && !of_compat_cmp(m->compatible, cp, - strlen(m->compatible)); - if (match) - return m; - m++; - } - - /* Get node's next compatible string */ - if (cp) { - l = strlen(cp) + 1; - cp += l; - cplen -= l; + for (; matches->name[0] || matches->type[0] || matches->compatible[0]; matches++) { + score = __of_device_is_compatible(node, matches->compatible, + matches->type, matches->name); + if (score > best_score) { + best_match = matches; + best_score = score; } - } while (cp && (cplen > 0)); + } - return NULL; + return best_match; } /** @@ -778,10 +799,7 @@ const struct of_device_id *__of_match_node(const struct of_device_id *matches, * @matches: array of of device match structures to search in * @node: the of device structure to match against * - * Low level utility function used by device matching. Matching order - * is to compare each of the node's compatibles with all given matches - * first. This implies node's compatible is sorted from specific to - * generic while matches can be in any order. + * Low level utility function used by device matching. */ const struct of_device_id *of_match_node(const struct of_device_id *matches, const struct device_node *node) diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 875b7b6f0d2..5b3c24f3cde 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -24,7 +24,11 @@ MODULE_LICENSE("GPL"); static void of_set_phy_supported(struct phy_device *phydev, u32 max_speed) { - phydev->supported |= PHY_DEFAULT_FEATURES; + /* The default values for phydev->supported are provided by the PHY + * driver "features" member, we want to reset to sane defaults fist + * before supporting higher speeds. + */ + phydev->supported &= PHY_DEFAULT_FEATURES; switch (max_speed) { default: @@ -44,7 +48,7 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio, struct device_node *chi { struct phy_device *phy; bool is_c45; - int rc, prev_irq; + int rc; u32 max_speed = 0; is_c45 = of_device_is_compatible(child, @@ -54,12 +58,14 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio, struct device_node *chi if (!phy || IS_ERR(phy)) return 1; - if (mdio->irq) { - prev_irq = mdio->irq[addr]; - mdio->irq[addr] = - irq_of_parse_and_map(child, 0); - if (!mdio->irq[addr]) - mdio->irq[addr] = prev_irq; + rc = irq_of_parse_and_map(child, 0); + if (rc > 0) { + phy->irq = rc; + if (mdio->irq) + mdio->irq[addr] = rc; + } else { + if (mdio->irq) + phy->irq = mdio->irq[addr]; } /* Associate the OF node with the device structure so it diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c index e21012bde63..6643d192098 100644 --- a/drivers/of/selftest.c +++ b/drivers/of/selftest.c @@ -300,6 +300,72 @@ static void __init of_selftest_parse_interrupts_extended(void) of_node_put(np); } +static struct of_device_id match_node_table[] = { + { .data = "A", .name = "name0", }, /* Name alone is lowest priority */ + { .data = "B", .type = "type1", }, /* followed by type alone */ + + { .data = "Ca", .name = "name2", .type = "type1", }, /* followed by both together */ + { .data = "Cb", .name = "name2", }, /* Only match when type doesn't match */ + { .data = "Cc", .name = "name2", .type = "type2", }, + + { .data = "E", .compatible = "compat3" }, + { .data = "G", .compatible = "compat2", }, + { .data = "H", .compatible = "compat2", .name = "name5", }, + { .data = "I", .compatible = "compat2", .type = "type1", }, + { .data = "J", .compatible = "compat2", .type = "type1", .name = "name8", }, + { .data = "K", .compatible = "compat2", .name = "name9", }, + {} +}; + +static struct { + const char *path; + const char *data; +} match_node_tests[] = { + { .path = "/testcase-data/match-node/name0", .data = "A", }, + { .path = "/testcase-data/match-node/name1", .data = "B", }, + { .path = "/testcase-data/match-node/a/name2", .data = "Ca", }, + { .path = "/testcase-data/match-node/b/name2", .data = "Cb", }, + { .path = "/testcase-data/match-node/c/name2", .data = "Cc", }, + { .path = "/testcase-data/match-node/name3", .data = "E", }, + { .path = "/testcase-data/match-node/name4", .data = "G", }, + { .path = "/testcase-data/match-node/name5", .data = "H", }, + { .path = "/testcase-data/match-node/name6", .data = "G", }, + { .path = "/testcase-data/match-node/name7", .data = "I", }, + { .path = "/testcase-data/match-node/name8", .data = "J", }, + { .path = "/testcase-data/match-node/name9", .data = "K", }, +}; + +static void __init of_selftest_match_node(void) +{ + struct device_node *np; + const struct of_device_id *match; + int i; + + for (i = 0; i < ARRAY_SIZE(match_node_tests); i++) { + np = of_find_node_by_path(match_node_tests[i].path); + if (!np) { + selftest(0, "missing testcase node %s\n", + match_node_tests[i].path); + continue; + } + + match = of_match_node(match_node_table, np); + if (!match) { + selftest(0, "%s didn't match anything\n", + match_node_tests[i].path); + continue; + } + + if (strcmp(match->data, match_node_tests[i].data) != 0) { + selftest(0, "%s got wrong match. expected %s, got %s\n", + match_node_tests[i].path, match_node_tests[i].data, + (const char *)match->data); + continue; + } + selftest(1, "passed"); + } +} + static int __init of_selftest(void) { struct device_node *np; @@ -316,6 +382,7 @@ static int __init of_selftest(void) of_selftest_property_match_string(); of_selftest_parse_interrupts(); of_selftest_parse_interrupts_extended(); + of_selftest_match_node(); pr_info("end of selftest - %i passed, %i failed\n", selftest_results.passed, selftest_results.failed); return 0; diff --git a/drivers/of/testcase-data/testcases.dtsi b/drivers/of/testcase-data/testcases.dtsi new file mode 100644 index 00000000000..3a5b75a8e4d --- /dev/null +++ b/drivers/of/testcase-data/testcases.dtsi @@ -0,0 +1,3 @@ +#include "tests-phandle.dtsi" +#include "tests-interrupts.dtsi" +#include "tests-match.dtsi" diff --git a/drivers/of/testcase-data/tests-interrupts.dtsi b/drivers/of/testcase-data/tests-interrupts.dtsi new file mode 100644 index 00000000000..c843720bd3e --- /dev/null +++ b/drivers/of/testcase-data/tests-interrupts.dtsi @@ -0,0 +1,58 @@ + +/ { + testcase-data { + interrupts { + #address-cells = <1>; + #size-cells = <1>; + test_intc0: intc0 { + interrupt-controller; + #interrupt-cells = <1>; + }; + + test_intc1: intc1 { + interrupt-controller; + #interrupt-cells = <3>; + }; + + test_intc2: intc2 { + interrupt-controller; + #interrupt-cells = <2>; + }; + + test_intmap0: intmap0 { + #interrupt-cells = <1>; + #address-cells = <0>; + interrupt-map = <1 &test_intc0 9>, + <2 &test_intc1 10 11 12>, + <3 &test_intc2 13 14>, + <4 &test_intc2 15 16>; + }; + + test_intmap1: intmap1 { + #interrupt-cells = <2>; + interrupt-map = <0x5000 1 2 &test_intc0 15>; + }; + + interrupts0 { + interrupt-parent = <&test_intc0>; + interrupts = <1>, <2>, <3>, <4>; + }; + + interrupts1 { + interrupt-parent = <&test_intmap0>; + interrupts = <1>, <2>, <3>, <4>; + }; + + interrupts-extended0 { + reg = <0x5000 0x100>; + interrupts-extended = <&test_intc0 1>, + <&test_intc1 2 3 4>, + <&test_intc2 5 6>, + <&test_intmap0 1>, + <&test_intmap0 2>, + <&test_intmap0 3>, + <&test_intmap1 1 2>; + }; + }; + }; +}; diff --git a/drivers/of/testcase-data/tests-match.dtsi b/drivers/of/testcase-data/tests-match.dtsi new file mode 100644 index 00000000000..c9e54112953 --- /dev/null +++ b/drivers/of/testcase-data/tests-match.dtsi @@ -0,0 +1,19 @@ + +/ { + testcase-data { + match-node { + name0 { }; + name1 { device_type = "type1"; }; + a { name2 { device_type = "type1"; }; }; + b { name2 { }; }; + c { name2 { device_type = "type2"; }; }; + name3 { compatible = "compat3"; }; + name4 { compatible = "compat2", "compat3"; }; + name5 { compatible = "compat2", "compat3"; }; + name6 { compatible = "compat1", "compat2", "compat3"; }; + name7 { compatible = "compat2"; device_type = "type1"; }; + name8 { compatible = "compat2"; device_type = "type1"; }; + name9 { compatible = "compat2"; }; + }; + }; +}; diff --git a/drivers/of/testcase-data/tests-phandle.dtsi b/drivers/of/testcase-data/tests-phandle.dtsi new file mode 100644 index 00000000000..0007d3cd7dc --- /dev/null +++ b/drivers/of/testcase-data/tests-phandle.dtsi @@ -0,0 +1,39 @@ + +/ { + testcase-data { + phandle-tests { + provider0: provider0 { + #phandle-cells = <0>; + }; + + provider1: provider1 { + #phandle-cells = <1>; + }; + + provider2: provider2 { + #phandle-cells = <2>; + }; + + provider3: provider3 { + #phandle-cells = <3>; + }; + + consumer-a { + phandle-list = <&provider1 1>, + <&provider2 2 0>, + <0>, + <&provider3 4 4 3>, + <&provider2 5 100>, + <&provider0>, + <&provider1 7>; + phandle-list-names = "first", "second", "third"; + + phandle-list-bad-phandle = <12345678 0 0>; + phandle-list-bad-args = <&provider2 1 0>, + <&provider3 0>; + empty-property; + unterminated-string = [40 41 42 43]; + }; + }; + }; +}; diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c index 13478ecd411..0e79665afd4 100644 --- a/drivers/pci/host/pci-mvebu.c +++ b/drivers/pci/host/pci-mvebu.c @@ -60,14 +60,6 @@ #define PCIE_DEBUG_CTRL 0x1a60 #define PCIE_DEBUG_SOFT_RESET BIT(20) -/* - * This product ID is registered by Marvell, and used when the Marvell - * SoC is not the root complex, but an endpoint on the PCIe bus. It is - * therefore safe to re-use this PCI ID for our emulated PCI-to-PCI - * bridge. - */ -#define MARVELL_EMULATED_PCI_PCI_BRIDGE_ID 0x7846 - /* PCI configuration space of a PCI-to-PCI bridge */ struct mvebu_sw_pci_bridge { u16 vendor; @@ -388,7 +380,8 @@ static void mvebu_sw_pci_bridge_init(struct mvebu_pcie_port *port) bridge->class = PCI_CLASS_BRIDGE_PCI; bridge->vendor = PCI_VENDOR_ID_MARVELL; - bridge->device = MARVELL_EMULATED_PCI_PCI_BRIDGE_ID; + bridge->device = mvebu_readl(port, PCIE_DEV_ID_OFF) >> 16; + bridge->revision = mvebu_readl(port, PCIE_DEV_REV_OFF) & 0xff; bridge->header_type = PCI_HEADER_TYPE_BRIDGE; bridge->cache_line_size = 0x10; diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index e2a783fdb98..7c7a388c85a 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -730,6 +730,17 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot) return (unsigned int)sta; } +static inline bool device_status_valid(unsigned int sta) +{ + /* + * ACPI spec says that _STA may return bit 0 clear with bit 3 set + * if the device is valid but does not require a device driver to be + * loaded (Section 6.3.7 of ACPI 5.0A). + */ + unsigned int mask = ACPI_STA_DEVICE_ENABLED | ACPI_STA_DEVICE_FUNCTIONING; + return (sta & mask) == mask; +} + /** * trim_stale_devices - remove PCI devices that are not responding. * @dev: PCI device to start walking the hierarchy from. @@ -745,7 +756,7 @@ static void trim_stale_devices(struct pci_dev *dev) unsigned long long sta; status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); - alive = (ACPI_SUCCESS(status) && sta == ACPI_STA_ALL) + alive = (ACPI_SUCCESS(status) && device_status_valid(sta)) || acpiphp_no_hotplug(handle); } if (!alive) { @@ -792,7 +803,7 @@ static void acpiphp_check_bridge(struct acpiphp_bridge *bridge) mutex_lock(&slot->crit_sect); if (slot_no_hotplug(slot)) { ; /* do nothing */ - } else if (get_slot_status(slot) == ACPI_STA_ALL) { + } else if (device_status_valid(get_slot_status(slot))) { /* remove stale devices if any */ list_for_each_entry_safe_reverse(dev, tmp, &bus->devices, bus_list) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 7a0fec6ce57..955ab7990c5 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -545,9 +545,15 @@ static int populate_msi_sysfs(struct pci_dev *pdev) return -ENOMEM; list_for_each_entry(entry, &pdev->msi_list, list) { char *name = kmalloc(20, GFP_KERNEL); + if (!name) + goto error_attrs; + msi_dev_attr = kzalloc(sizeof(*msi_dev_attr), GFP_KERNEL); - if (!msi_dev_attr) + if (!msi_dev_attr) { + kfree(name); goto error_attrs; + } + sprintf(name, "%d", entry->irq); sysfs_attr_init(&msi_dev_attr->attr); msi_dev_attr->attr.name = name; @@ -589,6 +595,7 @@ error_attrs: ++count; msi_attr = msi_attrs[count]; } + kfree(msi_attrs); return ret; } @@ -959,7 +966,6 @@ EXPORT_SYMBOL(pci_disable_msi); /** * pci_msix_vec_count - return the number of device's MSI-X table entries * @dev: pointer to the pci_dev data structure of MSI-X device function - * This function returns the number of device's MSI-X table entries and * therefore the number of MSI-X vectors device is capable of sending. * It returns a negative errno if the device is not capable of sending MSI-X diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 1febe90831b..6b05f6134b6 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1181,6 +1181,8 @@ EXPORT_SYMBOL_GPL(pci_load_and_free_saved_state); static int do_pci_enable_device(struct pci_dev *dev, int bars) { int err; + u16 cmd; + u8 pin; err = pci_set_power_state(dev, PCI_D0); if (err < 0 && err != -EIO) @@ -1190,6 +1192,14 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars) return err; pci_fixup_device(pci_fixup_enable, dev); + pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); + if (pin) { + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if (cmd & PCI_COMMAND_INTX_DISABLE) + pci_write_config_word(dev, PCI_COMMAND, + cmd & ~PCI_COMMAND_INTX_DISABLE); + } + return 0; } diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index afa2354f660..c7a551c2d5f 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -5,7 +5,7 @@ menu "PHY Subsystem" config GENERIC_PHY - tristate "PHY Core" + bool "PHY Core" help Generic PHY support. @@ -61,6 +61,7 @@ config PHY_EXYNOS_DP_VIDEO config BCM_KONA_USB2_PHY tristate "Broadcom Kona USB2 PHY Driver" depends on GENERIC_PHY + depends on HAS_IOMEM help Enable this to support the Broadcom Kona USB 2.0 PHY. diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index 645c867c125..6c738376daf 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -162,6 +162,9 @@ int phy_init(struct phy *phy) { int ret; + if (!phy) + return 0; + ret = phy_pm_runtime_get_sync(phy); if (ret < 0 && ret != -ENOTSUPP) return ret; @@ -173,6 +176,8 @@ int phy_init(struct phy *phy) dev_err(&phy->dev, "phy init failed --> %d\n", ret); goto out; } + } else { + ret = 0; /* Override possible ret == -ENOTSUPP */ } ++phy->init_count; @@ -187,6 +192,9 @@ int phy_exit(struct phy *phy) { int ret; + if (!phy) + return 0; + ret = phy_pm_runtime_get_sync(phy); if (ret < 0 && ret != -ENOTSUPP) return ret; @@ -212,6 +220,9 @@ int phy_power_on(struct phy *phy) { int ret; + if (!phy) + return 0; + ret = phy_pm_runtime_get_sync(phy); if (ret < 0 && ret != -ENOTSUPP) return ret; @@ -223,6 +234,8 @@ int phy_power_on(struct phy *phy) dev_err(&phy->dev, "phy poweron failed --> %d\n", ret); goto out; } + } else { + ret = 0; /* Override possible ret == -ENOTSUPP */ } ++phy->power_count; mutex_unlock(&phy->mutex); @@ -240,6 +253,9 @@ int phy_power_off(struct phy *phy) { int ret; + if (!phy) + return 0; + mutex_lock(&phy->mutex); if (phy->power_count == 1 && phy->ops->power_off) { ret = phy->ops->power_off(phy); @@ -308,7 +324,7 @@ err0: */ void phy_put(struct phy *phy) { - if (IS_ERR(phy)) + if (!phy || IS_ERR(phy)) return; module_put(phy->ops->owner); @@ -328,6 +344,9 @@ void devm_phy_put(struct device *dev, struct phy *phy) { int r; + if (!phy) + return; + r = devres_destroy(dev, devm_phy_release, devm_phy_match, phy); dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n"); } @@ -389,17 +408,11 @@ struct phy *phy_get(struct device *dev, const char *string) index = of_property_match_string(dev->of_node, "phy-names", string); phy = of_phy_get(dev, index); - if (IS_ERR(phy)) { - dev_err(dev, "unable to find phy\n"); - return phy; - } } else { phy = phy_lookup(dev, string); - if (IS_ERR(phy)) { - dev_err(dev, "unable to find phy\n"); - return phy; - } } + if (IS_ERR(phy)) + return phy; if (!try_module_get(phy->ops->owner)) return ERR_PTR(-EPROBE_DEFER); @@ -411,6 +424,27 @@ struct phy *phy_get(struct device *dev, const char *string) EXPORT_SYMBOL_GPL(phy_get); /** + * phy_optional_get() - lookup and obtain a reference to an optional phy. + * @dev: device that requests this phy + * @string: the phy name as given in the dt data or the name of the controller + * port for non-dt case + * + * Returns the phy driver, after getting a refcount to it; or + * NULL if there is no such phy. The caller is responsible for + * calling phy_put() to release that count. + */ +struct phy *phy_optional_get(struct device *dev, const char *string) +{ + struct phy *phy = phy_get(dev, string); + + if (PTR_ERR(phy) == -ENODEV) + phy = NULL; + + return phy; +} +EXPORT_SYMBOL_GPL(phy_optional_get); + +/** * devm_phy_get() - lookup and obtain a reference to a phy. * @dev: device that requests this phy * @string: the phy name as given in the dt data or phy device name @@ -441,6 +475,30 @@ struct phy *devm_phy_get(struct device *dev, const char *string) EXPORT_SYMBOL_GPL(devm_phy_get); /** + * devm_phy_optional_get() - lookup and obtain a reference to an optional phy. + * @dev: device that requests this phy + * @string: the phy name as given in the dt data or phy device name + * for non-dt case + * + * Gets the phy using phy_get(), and associates a device with it using + * devres. On driver detach, release function is invoked on the devres + * data, then, devres data is freed. This differs to devm_phy_get() in + * that if the phy does not exist, it is not considered an error and + * -ENODEV will not be returned. Instead the NULL phy is returned, + * which can be passed to all other phy consumer calls. + */ +struct phy *devm_phy_optional_get(struct device *dev, const char *string) +{ + struct phy *phy = devm_phy_get(dev, string); + + if (PTR_ERR(phy) == -ENODEV) + phy = NULL; + + return phy; +} +EXPORT_SYMBOL_GPL(devm_phy_optional_get); + +/** * phy_create() - create a new phy * @dev: device that is creating the new phy * @ops: function pointers for performing phy operations diff --git a/drivers/phy/phy-exynos-dp-video.c b/drivers/phy/phy-exynos-dp-video.c index 1dbe6ce7b2c..0786fef842e 100644 --- a/drivers/phy/phy-exynos-dp-video.c +++ b/drivers/phy/phy-exynos-dp-video.c @@ -76,10 +76,6 @@ static int exynos_dp_video_phy_probe(struct platform_device *pdev) if (IS_ERR(state->regs)) return PTR_ERR(state->regs); - phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - if (IS_ERR(phy_provider)) - return PTR_ERR(phy_provider); - phy = devm_phy_create(dev, &exynos_dp_video_phy_ops, NULL); if (IS_ERR(phy)) { dev_err(dev, "failed to create Display Port PHY\n"); @@ -87,6 +83,10 @@ static int exynos_dp_video_phy_probe(struct platform_device *pdev) } phy_set_drvdata(phy, state); + phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); + if (IS_ERR(phy_provider)) + return PTR_ERR(phy_provider); + return 0; } diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c index 0c5efab11af..7f139326a64 100644 --- a/drivers/phy/phy-exynos-mipi-video.c +++ b/drivers/phy/phy-exynos-mipi-video.c @@ -134,11 +134,6 @@ static int exynos_mipi_video_phy_probe(struct platform_device *pdev) dev_set_drvdata(dev, state); spin_lock_init(&state->slock); - phy_provider = devm_of_phy_provider_register(dev, - exynos_mipi_video_phy_xlate); - if (IS_ERR(phy_provider)) - return PTR_ERR(phy_provider); - for (i = 0; i < EXYNOS_MIPI_PHYS_NUM; i++) { struct phy *phy = devm_phy_create(dev, &exynos_mipi_video_phy_ops, NULL); @@ -152,6 +147,11 @@ static int exynos_mipi_video_phy_probe(struct platform_device *pdev) phy_set_drvdata(phy, &state->phys[i]); } + phy_provider = devm_of_phy_provider_register(dev, + exynos_mipi_video_phy_xlate); + if (IS_ERR(phy_provider)) + return PTR_ERR(phy_provider); + return 0; } diff --git a/drivers/phy/phy-mvebu-sata.c b/drivers/phy/phy-mvebu-sata.c index d43786f6243..d70ecd6a1b3 100644 --- a/drivers/phy/phy-mvebu-sata.c +++ b/drivers/phy/phy-mvebu-sata.c @@ -99,17 +99,17 @@ static int phy_mvebu_sata_probe(struct platform_device *pdev) if (IS_ERR(priv->clk)) return PTR_ERR(priv->clk); - phy_provider = devm_of_phy_provider_register(&pdev->dev, - of_phy_simple_xlate); - if (IS_ERR(phy_provider)) - return PTR_ERR(phy_provider); - phy = devm_phy_create(&pdev->dev, &phy_mvebu_sata_ops, NULL); if (IS_ERR(phy)) return PTR_ERR(phy); phy_set_drvdata(phy, priv); + phy_provider = devm_of_phy_provider_register(&pdev->dev, + of_phy_simple_xlate); + if (IS_ERR(phy_provider)) + return PTR_ERR(phy_provider); + /* The boot loader may of left it on. Turn it off. */ phy_mvebu_sata_power_off(phy); diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c index bfc5c337f99..7699752fba1 100644 --- a/drivers/phy/phy-omap-usb2.c +++ b/drivers/phy/phy-omap-usb2.c @@ -177,11 +177,6 @@ static int omap_usb2_probe(struct platform_device *pdev) phy->phy.otg = otg; phy->phy.type = USB_PHY_TYPE_USB2; - phy_provider = devm_of_phy_provider_register(phy->dev, - of_phy_simple_xlate); - if (IS_ERR(phy_provider)) - return PTR_ERR(phy_provider); - control_node = of_parse_phandle(node, "ctrl-module", 0); if (!control_node) { dev_err(&pdev->dev, "Failed to get control device phandle\n"); @@ -214,6 +209,11 @@ static int omap_usb2_probe(struct platform_device *pdev) phy_set_drvdata(generic_phy, phy); + phy_provider = devm_of_phy_provider_register(phy->dev, + of_phy_simple_xlate); + if (IS_ERR(phy_provider)) + return PTR_ERR(phy_provider); + phy->wkupclk = devm_clk_get(phy->dev, "usb_phy_cm_clk32k"); if (IS_ERR(phy->wkupclk)) { dev_err(&pdev->dev, "unable to get usb_phy_cm_clk32k\n"); diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c index daf65e68aaa..c3ace1db813 100644 --- a/drivers/phy/phy-twl4030-usb.c +++ b/drivers/phy/phy-twl4030-usb.c @@ -695,11 +695,6 @@ static int twl4030_usb_probe(struct platform_device *pdev) otg->set_host = twl4030_set_host; otg->set_peripheral = twl4030_set_peripheral; - phy_provider = devm_of_phy_provider_register(twl->dev, - of_phy_simple_xlate); - if (IS_ERR(phy_provider)) - return PTR_ERR(phy_provider); - phy = devm_phy_create(twl->dev, &ops, init_data); if (IS_ERR(phy)) { dev_dbg(&pdev->dev, "Failed to create PHY\n"); @@ -708,6 +703,11 @@ static int twl4030_usb_probe(struct platform_device *pdev) phy_set_drvdata(phy, twl); + phy_provider = devm_of_phy_provider_register(twl->dev, + of_phy_simple_xlate); + if (IS_ERR(phy_provider)) + return PTR_ERR(phy_provider); + /* init spinlock for workqueue */ spin_lock_init(&twl->lock); diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c index 563174891c9..041f9b638d2 100644 --- a/drivers/power/ds2782_battery.c +++ b/drivers/power/ds2782_battery.c @@ -192,7 +192,7 @@ static int ds2786_get_voltage(struct ds278x_info *info, int *voltage_uV) /* * Voltage is measured in units of 1.22mV. The voltage is stored as - * a 10-bit number plus sign, in the upper bits of a 16-bit register + * a 12-bit number plus sign, in the upper bits of a 16-bit register */ err = ds278x_read_reg16(info, DS278x_REG_VOLT_MSB, &raw); if (err) diff --git a/drivers/power/isp1704_charger.c b/drivers/power/isp1704_charger.c index 80edb7d8cb5..0b4cf9d6329 100644 --- a/drivers/power/isp1704_charger.c +++ b/drivers/power/isp1704_charger.c @@ -444,8 +444,6 @@ static int isp1704_charger_probe(struct platform_device *pdev) ret = PTR_ERR(isp->phy); goto fail0; } - if (!isp->phy) - goto fail0; isp->dev = &pdev->dev; platform_set_drvdata(pdev, isp); diff --git a/drivers/power/max17040_battery.c b/drivers/power/max17040_battery.c index c7ff6d67f15..0fbac861080 100644 --- a/drivers/power/max17040_battery.c +++ b/drivers/power/max17040_battery.c @@ -148,7 +148,7 @@ static void max17040_get_online(struct i2c_client *client) { struct max17040_chip *chip = i2c_get_clientdata(client); - if (chip->pdata->battery_online) + if (chip->pdata && chip->pdata->battery_online) chip->online = chip->pdata->battery_online(); else chip->online = 1; @@ -158,7 +158,8 @@ static void max17040_get_status(struct i2c_client *client) { struct max17040_chip *chip = i2c_get_clientdata(client); - if (!chip->pdata->charger_online || !chip->pdata->charger_enable) { + if (!chip->pdata || !chip->pdata->charger_online + || !chip->pdata->charger_enable) { chip->status = POWER_SUPPLY_STATUS_UNKNOWN; return; } diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 16a309e5c02..d1ac4caaf1b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1359,7 +1359,7 @@ static struct regulator *_regulator_get(struct device *dev, const char *id, goto found; /* Don't log an error when called from regulator_get_optional() */ } else if (!have_full_constraints() || exclusive) { - dev_err(dev, "dummy supplies not allowed\n"); + dev_warn(dev, "dummy supplies not allowed\n"); } mutex_unlock(®ulator_list_mutex); diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index 7f340206d32..b14ebdad5dd 100644 --- a/drivers/regulator/da9055-regulator.c +++ b/drivers/regulator/da9055-regulator.c @@ -576,7 +576,9 @@ static int da9055_regulator_probe(struct platform_device *pdev) /* Only LDO 5 and 6 has got the over current interrupt */ if (pdev->id == DA9055_ID_LDO5 || pdev->id == DA9055_ID_LDO6) { irq = platform_get_irq_byname(pdev, "REGULATOR"); - irq = regmap_irq_get_virq(da9055->irq_data, irq); + if (irq < 0) + return irq; + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, da9055_ldo5_6_oc_irq, IRQF_TRIGGER_HIGH | diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index 56727eb745d..91e99a2c8dc 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -1,3 +1,4 @@ + /* * Regulator driver for DA9063 PMIC series * @@ -60,7 +61,8 @@ struct da9063_regulator_info { .desc.ops = &da9063_ldo_ops, \ .desc.min_uV = (min_mV) * 1000, \ .desc.uV_step = (step_mV) * 1000, \ - .desc.n_voltages = (((max_mV) - (min_mV))/(step_mV) + 1), \ + .desc.n_voltages = (((max_mV) - (min_mV))/(step_mV) + 1 \ + + (DA9063_V##regl_name##_BIAS)), \ .desc.enable_reg = DA9063_REG_##regl_name##_CONT, \ .desc.enable_mask = DA9063_LDO_EN, \ .desc.vsel_reg = DA9063_REG_V##regl_name##_A, \ diff --git a/drivers/regulator/max14577.c b/drivers/regulator/max14577.c index b1078ba3f39..e0619526708 100644 --- a/drivers/regulator/max14577.c +++ b/drivers/regulator/max14577.c @@ -166,12 +166,14 @@ static int max14577_regulator_dt_parse_pdata(struct platform_device *pdev) ret = of_regulator_match(&pdev->dev, np, max14577_regulator_matches, MAX14577_REG_MAX); - if (ret < 0) { + if (ret < 0) dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", ret); - return ret; - } + else + ret = 0; - return 0; + of_node_put(np); + + return ret; } static inline struct regulator_init_data *match_init_data(int index) diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index d7164bb75d3..d958dfa0512 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -535,7 +535,7 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, return -ENODEV; } - regulators_np = of_find_node_by_name(pmic_np, "regulators"); + regulators_np = of_get_child_by_name(pmic_np, "regulators"); if (!regulators_np) { dev_err(iodev->dev, "could not find regulators sub-node\n"); return -EINVAL; @@ -591,6 +591,8 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev, rmode++; } + of_node_put(regulators_np); + if (of_get_property(pmic_np, "s5m8767,pmic-buck2-uses-gpio-dvs", NULL)) { pdata->buck2_gpiodvs = true; diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 88e35d85d20..8ee88c4ebd8 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -342,8 +342,9 @@ static int cio_check_config(struct subchannel *sch, struct schib *schib) */ int cio_commit_config(struct subchannel *sch) { - struct schib schib; int ccode, retry, ret = 0; + struct schib schib; + struct irb irb; if (stsch_err(sch->schid, &schib) || !css_sch_is_valid(&schib)) return -ENODEV; @@ -367,7 +368,10 @@ int cio_commit_config(struct subchannel *sch) ret = -EAGAIN; break; case 1: /* status pending */ - return -EBUSY; + ret = -EBUSY; + if (tsch(sch->schid, &irb)) + return ret; + break; case 2: /* busy */ udelay(100); /* allow for recovery */ ret = -EBUSY; @@ -403,7 +407,6 @@ EXPORT_SYMBOL_GPL(cio_update_schib); */ int cio_enable_subchannel(struct subchannel *sch, u32 intparm) { - int retry; int ret; CIO_TRACE_EVENT(2, "ensch"); @@ -418,20 +421,14 @@ int cio_enable_subchannel(struct subchannel *sch, u32 intparm) sch->config.isc = sch->isc; sch->config.intparm = intparm; - for (retry = 0; retry < 3; retry++) { + ret = cio_commit_config(sch); + if (ret == -EIO) { + /* + * Got a program check in msch. Try without + * the concurrent sense bit the next time. + */ + sch->config.csense = 0; ret = cio_commit_config(sch); - if (ret == -EIO) { - /* - * Got a program check in msch. Try without - * the concurrent sense bit the next time. - */ - sch->config.csense = 0; - } else if (ret == -EBUSY) { - struct irb irb; - if (tsch(sch->schid, &irb) != 0) - break; - } else - break; } CIO_HEX_EVENT(2, &ret, sizeof(ret)); return ret; @@ -444,7 +441,6 @@ EXPORT_SYMBOL_GPL(cio_enable_subchannel); */ int cio_disable_subchannel(struct subchannel *sch) { - int retry; int ret; CIO_TRACE_EVENT(2, "dissch"); @@ -456,16 +452,8 @@ int cio_disable_subchannel(struct subchannel *sch) return -ENODEV; sch->config.ena = 0; + ret = cio_commit_config(sch); - for (retry = 0; retry < 3; retry++) { - ret = cio_commit_config(sch); - if (ret == -EBUSY) { - struct irb irb; - if (tsch(sch->schid, &irb) != 0) - break; - } else - break; - } CIO_HEX_EVENT(2, &ret, sizeof(ret)); return ret; } diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 8acaae18bd1..a563e4c0059 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -359,14 +359,12 @@ static inline int multicast_outbound(struct qdio_q *q) #define need_siga_sync_out_after_pci(q) \ (unlikely(q->irq_ptr->siga_flag.sync_out_after_pci)) -#define for_each_input_queue(irq_ptr, q, i) \ - for (i = 0, q = irq_ptr->input_qs[0]; \ - i < irq_ptr->nr_input_qs; \ - q = irq_ptr->input_qs[++i]) -#define for_each_output_queue(irq_ptr, q, i) \ - for (i = 0, q = irq_ptr->output_qs[0]; \ - i < irq_ptr->nr_output_qs; \ - q = irq_ptr->output_qs[++i]) +#define for_each_input_queue(irq_ptr, q, i) \ + for (i = 0; i < irq_ptr->nr_input_qs && \ + ({ q = irq_ptr->input_qs[i]; 1; }); i++) +#define for_each_output_queue(irq_ptr, q, i) \ + for (i = 0; i < irq_ptr->nr_output_qs && \ + ({ q = irq_ptr->output_qs[i]; 1; }); i++) #define prev_buf(bufnr) \ ((bufnr + QDIO_MAX_BUFFERS_MASK) & QDIO_MAX_BUFFERS_MASK) diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index c883a085c05..77466c4faab 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -996,7 +996,7 @@ static void qdio_int_handler_pci(struct qdio_irq *irq_ptr) } } - if (!pci_out_supported(q)) + if (!(irq_ptr->qib.ac & QIB_AC_OUTBOUND_PCI_SUPPORTED)) return; for_each_output_queue(irq_ptr, q, i) { diff --git a/drivers/sbus/char/jsflash.c b/drivers/sbus/char/jsflash.c index 6b4678a7900..4ccb5d86938 100644 --- a/drivers/sbus/char/jsflash.c +++ b/drivers/sbus/char/jsflash.c @@ -507,7 +507,6 @@ static int jsflash_init(void) } /* Let us be really paranoid for modifications to probing code. */ - /* extern enum sparc_cpu sparc_cpu_model; */ /* in <asm/system.h> */ if (sparc_cpu_model != sun4m) { /* We must be on sun4m because we use MMU Bypass ASI. */ return -ENXIO; diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 9e80d61e5a3..2eb97d7e8d1 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -2595,8 +2595,6 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha, return -ENOMEM; } - INIT_LIST_HEAD(&cmd->cmd_list); - memcpy(&cmd->atio, atio, sizeof(*atio)); cmd->state = QLA_TGT_STATE_NEW; cmd->tgt = vha->vha_tgt.qla_tgt; diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 1d10eecad49..66e755cdde5 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -855,7 +855,6 @@ struct qla_tgt_cmd { uint16_t loop_id; /* to save extra sess dereferences */ struct qla_tgt *tgt; /* to save extra sess dereferences */ struct scsi_qla_host *vha; - struct list_head cmd_list; struct atio_from_isp atio; }; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 7bd7f0d5f05..62ec84b42e3 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1684,7 +1684,7 @@ u64 scsi_calculate_bounce_limit(struct Scsi_Host *shost) host_dev = scsi_get_device(shost); if (host_dev && host_dev->dma_mask) - bounce_limit = dma_max_pfn(host_dev) << PAGE_SHIFT; + bounce_limit = (u64)dma_max_pfn(host_dev) << PAGE_SHIFT; return bounce_limit; } diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index ba9310bc9ac..581ee2a8856 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -376,10 +376,10 @@ config SPI_PXA2XX_PCI def_tristate SPI_PXA2XX && PCI config SPI_RSPI - tristate "Renesas RSPI controller" + tristate "Renesas RSPI/QSPI controller" depends on (SUPERH && SH_DMAE_BASE) || ARCH_SHMOBILE help - SPI driver for Renesas RSPI blocks. + SPI driver for Renesas RSPI and QSPI blocks. config SPI_S3C24XX tristate "Samsung S3C24XX series SPI" diff --git a/drivers/spi/spi-nuc900.c b/drivers/spi/spi-nuc900.c index 50406306bc2..bae97ffec4b 100644 --- a/drivers/spi/spi-nuc900.c +++ b/drivers/spi/spi-nuc900.c @@ -361,6 +361,8 @@ static int nuc900_spi_probe(struct platform_device *pdev) init_completion(&hw->done); master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; + if (hw->pdata->lsb) + master->mode_bits |= SPI_LSB_FIRST; master->num_chipselect = hw->pdata->num_cs; master->bus_num = hw->pdata->bus_num; hw->bitbang.master = hw->master; diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 23756b0f903..d0b28bba38b 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -755,9 +755,7 @@ static void spi_pump_messages(struct kthread_work *work) ret = master->transfer_one_message(master, master->cur_msg); if (ret) { dev_err(&master->dev, - "failed to transfer one message from queue: %d\n", ret); - master->cur_msg->status = ret; - spi_finalize_current_message(master); + "failed to transfer one message from queue\n"); return; } } diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index 23948f16701..713a9722678 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -295,21 +295,29 @@ static ssize_t ashmem_read(struct file *file, char __user *buf, /* If size is not set, or set to 0, always return EOF. */ if (asma->size == 0) - goto out; + goto out_unlock; if (!asma->file) { ret = -EBADF; - goto out; + goto out_unlock; } - ret = asma->file->f_op->read(asma->file, buf, len, pos); - if (ret < 0) - goto out; + mutex_unlock(&ashmem_mutex); - /** Update backing file pos, since f_ops->read() doesn't */ - asma->file->f_pos = *pos; + /* + * asma and asma->file are used outside the lock here. We assume + * once asma->file is set it will never be changed, and will not + * be destroyed until all references to the file are dropped and + * ashmem_release is called. + */ + ret = asma->file->f_op->read(asma->file, buf, len, pos); + if (ret >= 0) { + /** Update backing file pos, since f_ops->read() doesn't */ + asma->file->f_pos = *pos; + } + return ret; -out: +out_unlock: mutex_unlock(&ashmem_mutex); return ret; } @@ -498,6 +506,7 @@ out: static int set_name(struct ashmem_area *asma, void __user *name) { + int len; int ret = 0; char local_name[ASHMEM_NAME_LEN]; @@ -510,21 +519,19 @@ static int set_name(struct ashmem_area *asma, void __user *name) * variable that does not need protection and later copy the local * variable to the structure member with lock held. */ - if (copy_from_user(local_name, name, ASHMEM_NAME_LEN)) - return -EFAULT; - + len = strncpy_from_user(local_name, name, ASHMEM_NAME_LEN); + if (len < 0) + return len; + if (len == ASHMEM_NAME_LEN) + local_name[ASHMEM_NAME_LEN - 1] = '\0'; mutex_lock(&ashmem_mutex); /* cannot change an existing mapping's name */ - if (unlikely(asma->file)) { + if (unlikely(asma->file)) ret = -EINVAL; - goto out; - } - memcpy(asma->name + ASHMEM_NAME_PREFIX_LEN, - local_name, ASHMEM_NAME_LEN); - asma->name[ASHMEM_FULL_NAME_LEN-1] = '\0'; -out: - mutex_unlock(&ashmem_mutex); + else + strcpy(asma->name + ASHMEM_NAME_PREFIX_LEN, local_name); + mutex_unlock(&ashmem_mutex); return ret; } diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index eaec1dab7fe..1432d956769 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -2904,7 +2904,7 @@ static int binder_node_release(struct binder_node *node, int refs) refs++; if (!ref->death) - goto out; + continue; death++; @@ -2917,7 +2917,6 @@ static int binder_node_release(struct binder_node *node, int refs) BUG(); } -out: binder_debug(BINDER_DEBUG_DEAD_BINDER, "node %d now dead, refs %d, death %d\n", node->debug_id, refs, death); diff --git a/drivers/staging/android/ion/compat_ion.c b/drivers/staging/android/ion/compat_ion.c index af6cd370b30..ee3a7380e53 100644 --- a/drivers/staging/android/ion/compat_ion.c +++ b/drivers/staging/android/ion/compat_ion.c @@ -35,9 +35,14 @@ struct compat_ion_custom_data { compat_ulong_t arg; }; +struct compat_ion_handle_data { + compat_int_t handle; +}; + #define COMPAT_ION_IOC_ALLOC _IOWR(ION_IOC_MAGIC, 0, \ struct compat_ion_allocation_data) -#define COMPAT_ION_IOC_FREE _IOWR(ION_IOC_MAGIC, 1, struct ion_handle_data) +#define COMPAT_ION_IOC_FREE _IOWR(ION_IOC_MAGIC, 1, \ + struct compat_ion_handle_data) #define COMPAT_ION_IOC_CUSTOM _IOWR(ION_IOC_MAGIC, 6, \ struct compat_ion_custom_data) @@ -64,6 +69,19 @@ static int compat_get_ion_allocation_data( return err; } +static int compat_get_ion_handle_data( + struct compat_ion_handle_data __user *data32, + struct ion_handle_data __user *data) +{ + compat_int_t i; + int err; + + err = get_user(i, &data32->handle); + err |= put_user(i, &data->handle); + + return err; +} + static int compat_put_ion_allocation_data( struct compat_ion_allocation_data __user *data32, struct ion_allocation_data __user *data) @@ -132,8 +150,8 @@ long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } case COMPAT_ION_IOC_FREE: { - struct compat_ion_allocation_data __user *data32; - struct ion_allocation_data __user *data; + struct compat_ion_handle_data __user *data32; + struct ion_handle_data __user *data; int err; data32 = compat_ptr(arg); @@ -141,7 +159,7 @@ long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (data == NULL) return -EFAULT; - err = compat_get_ion_allocation_data(data32, data); + err = compat_get_ion_handle_data(data32, data); if (err) return err; diff --git a/drivers/staging/android/ion/ion_dummy_driver.c b/drivers/staging/android/ion/ion_dummy_driver.c index 55b2002753f..01cdc8aee89 100644 --- a/drivers/staging/android/ion/ion_dummy_driver.c +++ b/drivers/staging/android/ion/ion_dummy_driver.c @@ -17,9 +17,11 @@ #include <linux/err.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/init.h> #include <linux/bootmem.h> #include <linux/memblock.h> #include <linux/sizes.h> +#include <linux/io.h> #include "ion.h" #include "ion_priv.h" @@ -57,7 +59,7 @@ struct ion_platform_heap dummy_heaps[] = { }; struct ion_platform_data dummy_ion_pdata = { - .nr = 4, + .nr = ARRAY_SIZE(dummy_heaps), .heaps = dummy_heaps, }; @@ -69,7 +71,7 @@ static int __init ion_dummy_init(void) heaps = kzalloc(sizeof(struct ion_heap *) * dummy_ion_pdata.nr, GFP_KERNEL); if (!heaps) - return PTR_ERR(heaps); + return -ENOMEM; /* Allocate a dummy carveout heap */ @@ -128,6 +130,7 @@ err: } return err; } +device_initcall(ion_dummy_init); static void __exit ion_dummy_exit(void) { @@ -152,7 +155,4 @@ static void __exit ion_dummy_exit(void) return; } - -module_init(ion_dummy_init); -module_exit(ion_dummy_exit); - +__exitcall(ion_dummy_exit); diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c index 296c74f98dc..37e64d51394 100644 --- a/drivers/staging/android/ion/ion_heap.c +++ b/drivers/staging/android/ion/ion_heap.c @@ -243,12 +243,12 @@ int ion_heap_init_deferred_free(struct ion_heap *heap) init_waitqueue_head(&heap->waitqueue); heap->task = kthread_run(ion_heap_deferred_free, heap, "%s", heap->name); - sched_setscheduler(heap->task, SCHED_IDLE, ¶m); if (IS_ERR(heap->task)) { pr_err("%s: creating thread for deferred free failed\n", __func__); return PTR_RET(heap->task); } + sched_setscheduler(heap->task, SCHED_IDLE, ¶m); return 0; } diff --git a/drivers/staging/android/ion/ion_priv.h b/drivers/staging/android/ion/ion_priv.h index d98673981cc..fc2e4fccf69 100644 --- a/drivers/staging/android/ion/ion_priv.h +++ b/drivers/staging/android/ion/ion_priv.h @@ -17,6 +17,7 @@ #ifndef _ION_PRIV_H #define _ION_PRIV_H +#include <linux/device.h> #include <linux/dma-direction.h> #include <linux/kref.h> #include <linux/mm_types.h> diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c index 7f0729130d6..9849f3963e7 100644 --- a/drivers/staging/android/ion/ion_system_heap.c +++ b/drivers/staging/android/ion/ion_system_heap.c @@ -124,6 +124,7 @@ static struct page_info *alloc_largest_available(struct ion_system_heap *heap, info->page = page; info->order = orders[i]; + INIT_LIST_HEAD(&info->list); return info; } kfree(info); @@ -145,12 +146,15 @@ static int ion_system_heap_allocate(struct ion_heap *heap, struct list_head pages; struct page_info *info, *tmp_info; int i = 0; - long size_remaining = PAGE_ALIGN(size); + unsigned long size_remaining = PAGE_ALIGN(size); unsigned int max_order = orders[0]; if (align > PAGE_SIZE) return -EINVAL; + if (size / PAGE_SIZE > totalram_pages / 2) + return -ENOMEM; + INIT_LIST_HEAD(&pages); while (size_remaining > 0) { info = alloc_largest_available(sys_heap, buffer, size_remaining, diff --git a/drivers/staging/android/sw_sync.h b/drivers/staging/android/sw_sync.h index 585040be5f1..5aaf71d6974 100644 --- a/drivers/staging/android/sw_sync.h +++ b/drivers/staging/android/sw_sync.h @@ -35,10 +35,27 @@ struct sw_sync_pt { u32 value; }; +#if IS_ENABLED(CONFIG_SW_SYNC) struct sw_sync_timeline *sw_sync_timeline_create(const char *name); void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc); struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value); +#else +static inline struct sw_sync_timeline *sw_sync_timeline_create(const char *name) +{ + return NULL; +} + +static inline void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc) +{ +} + +static inline struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, + u32 value) +{ + return NULL; +} +#endif /* IS_ENABLED(CONFIG_SW_SYNC) */ #endif /* __KERNEL __ */ diff --git a/drivers/staging/android/sync.c b/drivers/staging/android/sync.c index 38e5d3b5ed9..3d05f662110 100644 --- a/drivers/staging/android/sync.c +++ b/drivers/staging/android/sync.c @@ -79,27 +79,27 @@ static void sync_timeline_free(struct kref *kref) container_of(kref, struct sync_timeline, kref); unsigned long flags; - if (obj->ops->release_obj) - obj->ops->release_obj(obj); - spin_lock_irqsave(&sync_timeline_list_lock, flags); list_del(&obj->sync_timeline_list); spin_unlock_irqrestore(&sync_timeline_list_lock, flags); + if (obj->ops->release_obj) + obj->ops->release_obj(obj); + kfree(obj); } void sync_timeline_destroy(struct sync_timeline *obj) { obj->destroyed = true; + smp_wmb(); /* - * If this is not the last reference, signal any children - * that their parent is going away. + * signal any children that their parent is going away. */ + sync_timeline_signal(obj); - if (!kref_put(&obj->kref, sync_timeline_free)) - sync_timeline_signal(obj); + kref_put(&obj->kref, sync_timeline_free); } EXPORT_SYMBOL(sync_timeline_destroy); diff --git a/drivers/staging/bcm/Bcmnet.c b/drivers/staging/bcm/Bcmnet.c index 8dfdd2732bd..95a2358267b 100644 --- a/drivers/staging/bcm/Bcmnet.c +++ b/drivers/staging/bcm/Bcmnet.c @@ -40,7 +40,7 @@ static INT bcm_close(struct net_device *dev) } static u16 bcm_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { return ClassifyPacket(netdev_priv(dev), skb); } diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index 246080316c9..5b15033a94b 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -616,8 +616,6 @@ int comedi_auto_config(struct device *hardware_device, ret = driver->auto_attach(dev, context); if (ret >= 0) ret = comedi_device_postconfig(dev); - if (ret < 0) - comedi_device_detach(dev); mutex_unlock(&dev->mutex); if (ret < 0) { diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c index 593676cf706..d9ad2c0fdda 100644 --- a/drivers/staging/comedi/drivers/adv_pci1710.c +++ b/drivers/staging/comedi/drivers/adv_pci1710.c @@ -494,6 +494,7 @@ static int pci171x_insn_write_ao(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { struct pci1710_private *devpriv = dev->private; + unsigned int val; int n, chan, range, ofs; chan = CR_CHAN(insn->chanspec); @@ -509,11 +510,14 @@ static int pci171x_insn_write_ao(struct comedi_device *dev, outw(devpriv->da_ranges, dev->iobase + PCI171x_DAREF); ofs = PCI171x_DA1; } + val = devpriv->ao_data[chan]; - for (n = 0; n < insn->n; n++) - outw(data[n], dev->iobase + ofs); + for (n = 0; n < insn->n; n++) { + val = data[n]; + outw(val, dev->iobase + ofs); + } - devpriv->ao_data[chan] = data[n]; + devpriv->ao_data[chan] = val; return n; @@ -679,6 +683,7 @@ static int pci1720_insn_write_ao(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data) { struct pci1710_private *devpriv = dev->private; + unsigned int val; int n, rangereg, chan; chan = CR_CHAN(insn->chanspec); @@ -688,13 +693,15 @@ static int pci1720_insn_write_ao(struct comedi_device *dev, outb(rangereg, dev->iobase + PCI1720_RANGE); devpriv->da_ranges = rangereg; } + val = devpriv->ao_data[chan]; for (n = 0; n < insn->n; n++) { - outw(data[n], dev->iobase + PCI1720_DA0 + (chan << 1)); + val = data[n]; + outw(val, dev->iobase + PCI1720_DA0 + (chan << 1)); outb(0, dev->iobase + PCI1720_SYNCOUT); /* update outputs */ } - devpriv->ao_data[chan] = data[n]; + devpriv->ao_data[chan] = val; return n; } diff --git a/drivers/staging/comedi/drivers/usbduxsigma.c b/drivers/staging/comedi/drivers/usbduxsigma.c index 3beeb125415..88c60b6020c 100644 --- a/drivers/staging/comedi/drivers/usbduxsigma.c +++ b/drivers/staging/comedi/drivers/usbduxsigma.c @@ -48,6 +48,7 @@ #include <linux/usb.h> #include <linux/fcntl.h> #include <linux/compiler.h> +#include <asm/unaligned.h> #include "comedi_fc.h" #include "../comedidev.h" @@ -792,7 +793,8 @@ static int usbduxsigma_ai_insn_read(struct comedi_device *dev, } /* 32 bits big endian from the A/D converter */ - val = be32_to_cpu(*((uint32_t *)((devpriv->insn_buf) + 1))); + val = be32_to_cpu(get_unaligned((uint32_t + *)(devpriv->insn_buf + 1))); val &= 0x00ffffff; /* strip status byte */ val ^= 0x00800000; /* convert to unsigned */ @@ -1357,7 +1359,7 @@ static int usbduxsigma_getstatusinfo(struct comedi_device *dev, int chan) return ret; /* 32 bits big endian from the A/D converter */ - val = be32_to_cpu(*((uint32_t *)((devpriv->insn_buf)+1))); + val = be32_to_cpu(get_unaligned((uint32_t *)(devpriv->insn_buf + 1))); val &= 0x00ffffff; /* strip status byte */ val ^= 0x00800000; /* convert to unsigned */ diff --git a/drivers/staging/dgrp/dgrp_net_ops.c b/drivers/staging/dgrp/dgrp_net_ops.c index 1f61b89eca4..33ac7fb88cb 100644 --- a/drivers/staging/dgrp/dgrp_net_ops.c +++ b/drivers/staging/dgrp/dgrp_net_ops.c @@ -2232,177 +2232,6 @@ done: return rtn; } -/* - * Common Packet Handling code - */ - -static void handle_data_in_packet(struct nd_struct *nd, struct ch_struct *ch, - long dlen, long plen, int n1, u8 *dbuf) -{ - char *error; - long n; - long remain; - u8 *buf; - u8 *b; - - remain = nd->nd_remain; - nd->nd_tx_work = 1; - - /* - * Otherwise data should appear only when we are - * in the CS_READY state. - */ - - if (ch->ch_state < CS_READY) { - error = "Data received before RWIN established"; - nd->nd_remain = 0; - nd->nd_state = NS_SEND_ERROR; - nd->nd_error = error; - } - - /* - * Assure that the data received is within the - * allowable window. - */ - - n = (ch->ch_s_rwin - ch->ch_s_rin) & 0xffff; - - if (dlen > n) { - error = "Receive data overrun"; - nd->nd_remain = 0; - nd->nd_state = NS_SEND_ERROR; - nd->nd_error = error; - } - - /* - * If we received 3 or less characters, - * assume it is a human typing, and set RTIME - * to 10 milliseconds. - * - * If we receive 10 or more characters, - * assume its not a human typing, and set RTIME - * to 100 milliseconds. - */ - - if (ch->ch_edelay != DGRP_RTIME) { - if (ch->ch_rtime != ch->ch_edelay) { - ch->ch_rtime = ch->ch_edelay; - ch->ch_flag |= CH_PARAM; - } - } else if (dlen <= 3) { - if (ch->ch_rtime != 10) { - ch->ch_rtime = 10; - ch->ch_flag |= CH_PARAM; - } - } else { - if (ch->ch_rtime != DGRP_RTIME) { - ch->ch_rtime = DGRP_RTIME; - ch->ch_flag |= CH_PARAM; - } - } - - /* - * If a portion of the packet is outside the - * buffer, shorten the effective length of the - * data packet to be the amount of data received. - */ - - if (remain < plen) - dlen -= plen - remain; - - /* - * Detect if receive flush is now complete. - */ - - if ((ch->ch_flag & CH_RX_FLUSH) != 0 && - ((ch->ch_flush_seq - nd->nd_seq_out) & SEQ_MASK) >= - ((nd->nd_seq_in - nd->nd_seq_out) & SEQ_MASK)) { - ch->ch_flag &= ~CH_RX_FLUSH; - } - - /* - * If we are ready to receive, move the data into - * the receive buffer. - */ - - ch->ch_s_rin = (ch->ch_s_rin + dlen) & 0xffff; - - if (ch->ch_state == CS_READY && - (ch->ch_tun.un_open_count != 0) && - (ch->ch_tun.un_flag & UN_CLOSING) == 0 && - (ch->ch_cflag & CF_CREAD) != 0 && - (ch->ch_flag & (CH_BAUD0 | CH_RX_FLUSH)) == 0 && - (ch->ch_send & RR_RX_FLUSH) == 0) { - - if (ch->ch_rin + dlen >= RBUF_MAX) { - n = RBUF_MAX - ch->ch_rin; - - memcpy(ch->ch_rbuf + ch->ch_rin, dbuf, n); - - ch->ch_rin = 0; - dbuf += n; - dlen -= n; - } - - memcpy(ch->ch_rbuf + ch->ch_rin, dbuf, dlen); - - ch->ch_rin += dlen; - - - /* - * If we are not in fastcook mode, or - * if there is a fastcook thread - * waiting for data, send the data to - * the line discipline. - */ - - if ((ch->ch_flag & CH_FAST_READ) == 0 || - ch->ch_inwait != 0) { - dgrp_input(ch); - } - - /* - * If there is a read thread waiting - * in select, and we are in fastcook - * mode, wake him up. - */ - - if (waitqueue_active(&ch->ch_tun.un_tty->read_wait) && - (ch->ch_flag & CH_FAST_READ) != 0) - wake_up_interruptible(&ch->ch_tun.un_tty->read_wait); - - /* - * Wake any thread waiting in the - * fastcook loop. - */ - - if ((ch->ch_flag & CH_INPUT) != 0) { - ch->ch_flag &= ~CH_INPUT; - wake_up_interruptible(&ch->ch_flag_wait); - } - } - - /* - * Fabricate and insert a data packet header to - * preced the remaining data when it comes in. - */ - - if (remain < plen) { - dlen = plen - remain; - b = buf; - - b[0] = 0x90 + n1; - put_unaligned_be16(dlen, b + 1); - - remain = 3; - if (remain > 0 && b != buf) - memcpy(buf, b, remain); - - nd->nd_remain = remain; - return; - } -} - /** * dgrp_receive() -- decode data packets received from the remote PortServer. * @nd: pointer to a node structure @@ -2477,8 +2306,7 @@ static void dgrp_receive(struct nd_struct *nd) plen = dlen + 1; dbuf = b + 1; - handle_data_in_packet(nd, ch, dlen, plen, n1, dbuf); - break; + goto data; /* * Process 2-byte header data packet. @@ -2492,8 +2320,7 @@ static void dgrp_receive(struct nd_struct *nd) plen = dlen + 2; dbuf = b + 2; - handle_data_in_packet(nd, ch, dlen, plen, n1, dbuf); - break; + goto data; /* * Process 3-byte header data packet. @@ -2508,6 +2335,159 @@ static void dgrp_receive(struct nd_struct *nd) dbuf = b + 3; + /* + * Common packet handling code. + */ + +data: + nd->nd_tx_work = 1; + + /* + * Otherwise data should appear only when we are + * in the CS_READY state. + */ + + if (ch->ch_state < CS_READY) { + error = "Data received before RWIN established"; + goto prot_error; + } + + /* + * Assure that the data received is within the + * allowable window. + */ + + n = (ch->ch_s_rwin - ch->ch_s_rin) & 0xffff; + + if (dlen > n) { + error = "Receive data overrun"; + goto prot_error; + } + + /* + * If we received 3 or less characters, + * assume it is a human typing, and set RTIME + * to 10 milliseconds. + * + * If we receive 10 or more characters, + * assume its not a human typing, and set RTIME + * to 100 milliseconds. + */ + + if (ch->ch_edelay != DGRP_RTIME) { + if (ch->ch_rtime != ch->ch_edelay) { + ch->ch_rtime = ch->ch_edelay; + ch->ch_flag |= CH_PARAM; + } + } else if (dlen <= 3) { + if (ch->ch_rtime != 10) { + ch->ch_rtime = 10; + ch->ch_flag |= CH_PARAM; + } + } else { + if (ch->ch_rtime != DGRP_RTIME) { + ch->ch_rtime = DGRP_RTIME; + ch->ch_flag |= CH_PARAM; + } + } + + /* + * If a portion of the packet is outside the + * buffer, shorten the effective length of the + * data packet to be the amount of data received. + */ + + if (remain < plen) + dlen -= plen - remain; + + /* + * Detect if receive flush is now complete. + */ + + if ((ch->ch_flag & CH_RX_FLUSH) != 0 && + ((ch->ch_flush_seq - nd->nd_seq_out) & SEQ_MASK) >= + ((nd->nd_seq_in - nd->nd_seq_out) & SEQ_MASK)) { + ch->ch_flag &= ~CH_RX_FLUSH; + } + + /* + * If we are ready to receive, move the data into + * the receive buffer. + */ + + ch->ch_s_rin = (ch->ch_s_rin + dlen) & 0xffff; + + if (ch->ch_state == CS_READY && + (ch->ch_tun.un_open_count != 0) && + (ch->ch_tun.un_flag & UN_CLOSING) == 0 && + (ch->ch_cflag & CF_CREAD) != 0 && + (ch->ch_flag & (CH_BAUD0 | CH_RX_FLUSH)) == 0 && + (ch->ch_send & RR_RX_FLUSH) == 0) { + + if (ch->ch_rin + dlen >= RBUF_MAX) { + n = RBUF_MAX - ch->ch_rin; + + memcpy(ch->ch_rbuf + ch->ch_rin, dbuf, n); + + ch->ch_rin = 0; + dbuf += n; + dlen -= n; + } + + memcpy(ch->ch_rbuf + ch->ch_rin, dbuf, dlen); + + ch->ch_rin += dlen; + + + /* + * If we are not in fastcook mode, or + * if there is a fastcook thread + * waiting for data, send the data to + * the line discipline. + */ + + if ((ch->ch_flag & CH_FAST_READ) == 0 || + ch->ch_inwait != 0) { + dgrp_input(ch); + } + + /* + * If there is a read thread waiting + * in select, and we are in fastcook + * mode, wake him up. + */ + + if (waitqueue_active(&ch->ch_tun.un_tty->read_wait) && + (ch->ch_flag & CH_FAST_READ) != 0) + wake_up_interruptible(&ch->ch_tun.un_tty->read_wait); + + /* + * Wake any thread waiting in the + * fastcook loop. + */ + + if ((ch->ch_flag & CH_INPUT) != 0) { + ch->ch_flag &= ~CH_INPUT; + + wake_up_interruptible(&ch->ch_flag_wait); + } + } + + /* + * Fabricate and insert a data packet header to + * preced the remaining data when it comes in. + */ + + if (remain < plen) { + dlen = plen - remain; + b = buf; + + b[0] = 0x90 + n1; + put_unaligned_be16(dlen, b + 1); + + remain = 3; + goto done; + } break; /* diff --git a/drivers/staging/gdm72xx/gdm_usb.c b/drivers/staging/gdm72xx/gdm_usb.c index f8788bf0a7d..cdeffe75496 100644 --- a/drivers/staging/gdm72xx/gdm_usb.c +++ b/drivers/staging/gdm72xx/gdm_usb.c @@ -635,11 +635,14 @@ static int gdm_usb_probe(struct usb_interface *intf, #endif /* CONFIG_WIMAX_GDM72XX_USB_PM */ ret = register_wimax_device(phy_dev, &intf->dev); + if (ret) + release_usb(udev); out: if (ret) { kfree(phy_dev); kfree(udev); + usb_put_dev(usbdev); } else { usb_set_intfdata(intf, phy_dev); } diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h index 35154d60faf..c9fedb79e3a 100644 --- a/drivers/staging/iio/Documentation/iio_utils.h +++ b/drivers/staging/iio/Documentation/iio_utils.h @@ -77,7 +77,6 @@ struct iio_channel_info { uint64_t mask; unsigned be; unsigned is_signed; - unsigned enabled; unsigned location; }; @@ -335,6 +334,7 @@ inline int build_channel_array(const char *device_dir, while (ent = readdir(dp), ent != NULL) { if (strcmp(ent->d_name + strlen(ent->d_name) - strlen("_en"), "_en") == 0) { + int current_enabled = 0; current = &(*ci_array)[count++]; ret = asprintf(&filename, "%s/%s", scan_el_dir, ent->d_name); @@ -350,10 +350,10 @@ inline int build_channel_array(const char *device_dir, ret = -errno; goto error_cleanup_array; } - fscanf(sysfsfp, "%u", ¤t->enabled); + fscanf(sysfsfp, "%u", ¤t_enabled); fclose(sysfsfp); - if (!current->enabled) { + if (!current_enabled) { free(filename); count--; continue; diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index 5ea36410f71..5708ffc62ae 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -393,7 +393,7 @@ static const struct iio_event_spec ad799x_events[] = { }, { .type = IIO_EV_TYPE_THRESH, .dir = IIO_EV_DIR_FALLING, - .mask_separate = BIT(IIO_EV_INFO_VALUE), + .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE), }, { .type = IIO_EV_TYPE_THRESH, @@ -409,7 +409,13 @@ static const struct iio_event_spec ad799x_events[] = { .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ .scan_index = (_index), \ - .scan_type = IIO_ST('u', _realbits, 16, 12 - (_realbits)), \ + .scan_type = { \ + .sign = 'u', \ + .realbits = (_realbits), \ + .storagebits = 16, \ + .shift = 12 - (_realbits), \ + .endianness = IIO_BE, \ + }, \ .event_spec = _ev_spec, \ .num_event_specs = _num_ev_spec, \ } @@ -588,7 +594,8 @@ static int ad799x_probe(struct i2c_client *client, return 0; error_free_irq: - free_irq(client->irq, indio_dev); + if (client->irq > 0) + free_irq(client->irq, indio_dev); error_cleanup_ring: ad799x_ring_cleanup(indio_dev); error_disable_reg: diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index df71669bb60..7fc66a6a6e3 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -1035,8 +1035,6 @@ SHOW_SCALE_AVAILABLE_ATTR(4); SHOW_SCALE_AVAILABLE_ATTR(5); SHOW_SCALE_AVAILABLE_ATTR(6); SHOW_SCALE_AVAILABLE_ATTR(7); -SHOW_SCALE_AVAILABLE_ATTR(8); -SHOW_SCALE_AVAILABLE_ATTR(9); SHOW_SCALE_AVAILABLE_ATTR(10); SHOW_SCALE_AVAILABLE_ATTR(11); SHOW_SCALE_AVAILABLE_ATTR(12); @@ -1053,8 +1051,6 @@ static struct attribute *mxs_lradc_attributes[] = { &iio_dev_attr_in_voltage5_scale_available.dev_attr.attr, &iio_dev_attr_in_voltage6_scale_available.dev_attr.attr, &iio_dev_attr_in_voltage7_scale_available.dev_attr.attr, - &iio_dev_attr_in_voltage8_scale_available.dev_attr.attr, - &iio_dev_attr_in_voltage9_scale_available.dev_attr.attr, &iio_dev_attr_in_voltage10_scale_available.dev_attr.attr, &iio_dev_attr_in_voltage11_scale_available.dev_attr.attr, &iio_dev_attr_in_voltage12_scale_available.dev_attr.attr, @@ -1613,7 +1609,7 @@ static int mxs_lradc_probe(struct platform_device *pdev) * of the array. */ scale_uv = ((u64)lradc->vref_mv[i] * 100000000) >> - (iio->channels[i].scan_type.realbits - s); + (LRADC_RESOLUTION - s); lradc->scale_avail[i][s].nano = do_div(scale_uv, 100000000) * 10; lradc->scale_avail[i][s].integer = scale_uv; diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 0a4298b744e..2b96665da8a 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -629,7 +629,7 @@ static int ad5933_register_ring_funcs_and_init(struct iio_dev *indio_dev) struct iio_buffer *buffer; buffer = iio_kfifo_allocate(indio_dev); - if (buffer) + if (!buffer) return -ENOMEM; iio_device_attach_buffer(indio_dev, buffer); diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c index 09ef5fb8bae..236ed66f116 100644 --- a/drivers/staging/imx-drm/imx-drm-core.c +++ b/drivers/staging/imx-drm/imx-drm-core.c @@ -88,9 +88,9 @@ static int imx_drm_driver_unload(struct drm_device *drm) imx_drm_device_put(); - drm_vblank_cleanup(imxdrm->drm); - drm_kms_helper_poll_fini(imxdrm->drm); - drm_mode_config_cleanup(imxdrm->drm); + drm_vblank_cleanup(drm); + drm_kms_helper_poll_fini(drm); + drm_mode_config_cleanup(drm); return 0; } @@ -142,19 +142,19 @@ EXPORT_SYMBOL_GPL(imx_drm_crtc_panel_format); int imx_drm_crtc_vblank_get(struct imx_drm_crtc *imx_drm_crtc) { - return drm_vblank_get(imx_drm_crtc->imxdrm->drm, imx_drm_crtc->pipe); + return drm_vblank_get(imx_drm_crtc->crtc->dev, imx_drm_crtc->pipe); } EXPORT_SYMBOL_GPL(imx_drm_crtc_vblank_get); void imx_drm_crtc_vblank_put(struct imx_drm_crtc *imx_drm_crtc) { - drm_vblank_put(imx_drm_crtc->imxdrm->drm, imx_drm_crtc->pipe); + drm_vblank_put(imx_drm_crtc->crtc->dev, imx_drm_crtc->pipe); } EXPORT_SYMBOL_GPL(imx_drm_crtc_vblank_put); void imx_drm_handle_vblank(struct imx_drm_crtc *imx_drm_crtc) { - drm_handle_vblank(imx_drm_crtc->imxdrm->drm, imx_drm_crtc->pipe); + drm_handle_vblank(imx_drm_crtc->crtc->dev, imx_drm_crtc->pipe); } EXPORT_SYMBOL_GPL(imx_drm_handle_vblank); @@ -370,29 +370,6 @@ static void imx_drm_connector_unregister( } /* - * register a crtc to the drm core - */ -static int imx_drm_crtc_register(struct imx_drm_crtc *imx_drm_crtc) -{ - struct imx_drm_device *imxdrm = __imx_drm_device(); - int ret; - - ret = drm_mode_crtc_set_gamma_size(imx_drm_crtc->crtc, 256); - if (ret) - return ret; - - drm_crtc_helper_add(imx_drm_crtc->crtc, - imx_drm_crtc->imx_drm_helper_funcs.crtc_helper_funcs); - - drm_crtc_init(imxdrm->drm, imx_drm_crtc->crtc, - imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs); - - drm_mode_group_reinit(imxdrm->drm); - - return 0; -} - -/* * Called by the CRTC driver when all CRTCs are registered. This * puts all the pieces together and initializes the driver. * Once this is called no more CRTCs can be registered since @@ -424,15 +401,15 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) mutex_lock(&imxdrm->mutex); - drm_kms_helper_poll_init(imxdrm->drm); + drm_kms_helper_poll_init(drm); /* setup the grouping for the legacy output */ - ret = drm_mode_group_init_legacy_group(imxdrm->drm, - &imxdrm->drm->primary->mode_group); + ret = drm_mode_group_init_legacy_group(drm, + &drm->primary->mode_group); if (ret) goto err_kms; - ret = drm_vblank_init(imxdrm->drm, MAX_CRTC); + ret = drm_vblank_init(drm, MAX_CRTC); if (ret) goto err_kms; @@ -441,7 +418,7 @@ static int imx_drm_driver_load(struct drm_device *drm, unsigned long flags) * by drm timer once a current process gives up ownership of * vblank event.(after drm_vblank_put function is called) */ - imxdrm->drm->vblank_disable_allowed = true; + drm->vblank_disable_allowed = true; if (!imx_drm_device_get()) { ret = -EINVAL; @@ -536,10 +513,18 @@ int imx_drm_add_crtc(struct drm_crtc *crtc, *new_crtc = imx_drm_crtc; - ret = imx_drm_crtc_register(imx_drm_crtc); + ret = drm_mode_crtc_set_gamma_size(imx_drm_crtc->crtc, 256); if (ret) goto err_register; + drm_crtc_helper_add(crtc, + imx_drm_crtc->imx_drm_helper_funcs.crtc_helper_funcs); + + drm_crtc_init(imxdrm->drm, crtc, + imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs); + + drm_mode_group_reinit(imxdrm->drm); + imx_drm_update_possible_crtcs(); mutex_unlock(&imxdrm->mutex); diff --git a/drivers/staging/imx-drm/imx-hdmi.c b/drivers/staging/imx-drm/imx-hdmi.c index f3a1f5e2e49..62ce0e86f14 100644 --- a/drivers/staging/imx-drm/imx-hdmi.c +++ b/drivers/staging/imx-drm/imx-hdmi.c @@ -16,6 +16,7 @@ #include <linux/delay.h> #include <linux/err.h> #include <linux/clk.h> +#include <linux/hdmi.h> #include <linux/regmap.h> #include <linux/mfd/syscon.h> #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> @@ -52,11 +53,6 @@ enum hdmi_datamap { YCbCr422_12B = 0x12, }; -enum hdmi_colorimetry { - ITU601, - ITU709, -}; - enum imx_hdmi_devtype { IMX6Q_HDMI, IMX6DL_HDMI, @@ -489,12 +485,12 @@ static void imx_hdmi_update_csc_coeffs(struct imx_hdmi *hdmi) if (is_color_space_conversion(hdmi)) { if (hdmi->hdmi_data.enc_out_format == RGB) { - if (hdmi->hdmi_data.colorimetry == ITU601) + if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601) csc_coeff = &csc_coeff_rgb_out_eitu601; else csc_coeff = &csc_coeff_rgb_out_eitu709; } else if (hdmi->hdmi_data.enc_in_format == RGB) { - if (hdmi->hdmi_data.colorimetry == ITU601) + if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601) csc_coeff = &csc_coeff_rgb_in_eitu601; else csc_coeff = &csc_coeff_rgb_in_eitu709; @@ -1140,16 +1136,16 @@ static void hdmi_config_AVI(struct imx_hdmi *hdmi) /* Set up colorimetry */ if (hdmi->hdmi_data.enc_out_format == XVYCC444) { colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_EXTENDED_INFO; - if (hdmi->hdmi_data.colorimetry == ITU601) + if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601) ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601; - else /* hdmi->hdmi_data.colorimetry == ITU709 */ + else /*hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_709*/ ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC709; } else if (hdmi->hdmi_data.enc_out_format != RGB) { - if (hdmi->hdmi_data.colorimetry == ITU601) + if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601) colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_SMPTE; - else /* hdmi->hdmi_data.colorimetry == ITU709 */ + else /*hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_709*/ colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_ITUR; ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601; } else { /* Carries no data */ @@ -1379,9 +1375,9 @@ static int imx_hdmi_setup(struct imx_hdmi *hdmi, struct drm_display_mode *mode) (hdmi->vic == 21) || (hdmi->vic == 22) || (hdmi->vic == 2) || (hdmi->vic == 3) || (hdmi->vic == 17) || (hdmi->vic == 18)) - hdmi->hdmi_data.colorimetry = ITU601; + hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_601; else - hdmi->hdmi_data.colorimetry = ITU709; + hdmi->hdmi_data.colorimetry = HDMI_COLORIMETRY_ITU_709; if ((hdmi->vic == 10) || (hdmi->vic == 11) || (hdmi->vic == 12) || (hdmi->vic == 13) || diff --git a/drivers/staging/lustre/TODO b/drivers/staging/lustre/TODO index 22742d6d62a..0a2b6cb3775 100644 --- a/drivers/staging/lustre/TODO +++ b/drivers/staging/lustre/TODO @@ -9,5 +9,6 @@ * Other minor misc cleanups... Please send any patches to Greg Kroah-Hartman <greg@kroah.com>, Andreas Dilger -<andreas.dilger@intel.com> and Peng Tao <tao.peng@emc.com>. CCing -hpdd-discuss <hpdd-discuss@lists.01.org> would be great too. +<andreas.dilger@intel.com>, Oleg Drokin <oleg.drokin@intel.com> and +Peng Tao <tao.peng@emc.com>. CCing hpdd-discuss <hpdd-discuss@lists.01.org> +would be great too. diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_kernelcomm.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_kernelcomm.h index 596a15fc899..037ae8a6d53 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_kernelcomm.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_kernelcomm.h @@ -61,6 +61,8 @@ struct kuc_hdr { __u16 kuc_msglen; /* Including header */ } __attribute__((aligned(sizeof(__u64)))); +#define KUC_CHANGELOG_MSG_MAXSIZE (sizeof(struct kuc_hdr)+CR_MAXSIZE) + #define KUC_MAGIC 0x191C /*Lustre9etLinC */ #define KUC_FL_BLOCK 0x01 /* Wait for send */ diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h index d0d942ced01..dddccca120c 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h @@ -120,7 +120,7 @@ do { \ do { \ LASSERT(!in_interrupt() || \ ((size) <= LIBCFS_VMALLOC_SIZE && \ - ((mask) & GFP_ATOMIC)) != 0); \ + ((mask) & __GFP_WAIT) == 0)); \ } while (0) #define LIBCFS_ALLOC_POST(ptr, size) \ diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c index 93648632ba2..6f58ead2039 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c @@ -529,7 +529,7 @@ kiblnd_kvaddr_to_page (unsigned long vaddr) { struct page *page; - if (is_vmalloc_addr(vaddr)) { + if (is_vmalloc_addr((void *)vaddr)) { page = vmalloc_to_page ((void *)vaddr); LASSERT (page != NULL); return page; diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c index 68a4f52ec99..b7b53b579c8 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c @@ -924,7 +924,7 @@ ksocknal_launch_packet (lnet_ni_t *ni, ksock_tx_t *tx, lnet_process_id_t id) int ksocknal_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg) { - int mpflag = 0; + int mpflag = 1; int type = lntmsg->msg_type; lnet_process_id_t target = lntmsg->msg_target; unsigned int payload_niov = lntmsg->msg_niov; @@ -993,8 +993,9 @@ ksocknal_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg) /* The first fragment will be set later in pro_pack */ rc = ksocknal_launch_packet(ni, tx, target); - if (lntmsg->msg_vmflush) + if (!mpflag) cfs_memory_pressure_restore(mpflag); + if (rc == 0) return (0); diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_user.h b/drivers/staging/lustre/lustre/include/lustre/lustre_user.h index 6b6c0240e82..7893d83e131 100644 --- a/drivers/staging/lustre/lustre/include/lustre/lustre_user.h +++ b/drivers/staging/lustre/lustre/include/lustre/lustre_user.h @@ -760,7 +760,8 @@ static inline void hsm_set_cl_error(int *flags, int error) *flags |= (error << CLF_HSM_ERR_L); } -#define CR_MAXSIZE cfs_size_round(2*NAME_MAX + 1 + sizeof(struct changelog_rec)) +#define CR_MAXSIZE cfs_size_round(2*NAME_MAX + 1 + \ + sizeof(struct changelog_ext_rec)) struct changelog_rec { __u16 cr_namelen; diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index 22d0acc95bc..52b7731bcc3 100644 --- a/drivers/staging/lustre/lustre/llite/dir.c +++ b/drivers/staging/lustre/lustre/llite/dir.c @@ -1086,7 +1086,7 @@ static int quotactl_ioctl(struct ll_sb_info *sbi, struct if_quotactl *qctl) break; case Q_GETQUOTA: if (((type == USRQUOTA && - uid_eq(current_euid(), make_kuid(&init_user_ns, id))) || + !uid_eq(current_euid(), make_kuid(&init_user_ns, id))) || (type == GRPQUOTA && !in_egroup_p(make_kgid(&init_user_ns, id)))) && (!cfs_capable(CFS_CAP_SYS_ADMIN) || diff --git a/drivers/staging/lustre/lustre/mdc/mdc_request.c b/drivers/staging/lustre/lustre/mdc/mdc_request.c index d1ad91c34dd..83013927e13 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_request.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c @@ -1430,7 +1430,7 @@ static struct kuc_hdr *changelog_kuc_hdr(char *buf, int len, int flags) { struct kuc_hdr *lh = (struct kuc_hdr *)buf; - LASSERT(len <= CR_MAXSIZE); + LASSERT(len <= KUC_CHANGELOG_MSG_MAXSIZE); lh->kuc_magic = KUC_MAGIC; lh->kuc_transport = KUC_TRANSPORT_CHANGELOG; @@ -1503,7 +1503,7 @@ static int mdc_changelog_send_thread(void *csdata) CDEBUG(D_CHANGELOG, "changelog to fp=%p start "LPU64"\n", cs->cs_fp, cs->cs_startrec); - OBD_ALLOC(cs->cs_buf, CR_MAXSIZE); + OBD_ALLOC(cs->cs_buf, KUC_CHANGELOG_MSG_MAXSIZE); if (cs->cs_buf == NULL) GOTO(out, rc = -ENOMEM); @@ -1540,7 +1540,7 @@ out: if (ctxt) llog_ctxt_put(ctxt); if (cs->cs_buf) - OBD_FREE(cs->cs_buf, CR_MAXSIZE); + OBD_FREE(cs->cs_buf, KUC_CHANGELOG_MSG_MAXSIZE); OBD_FREE_PTR(cs); return rc; } diff --git a/drivers/staging/netlogic/xlr_net.c b/drivers/staging/netlogic/xlr_net.c index eedffed17e3..31b269a5fff 100644 --- a/drivers/staging/netlogic/xlr_net.c +++ b/drivers/staging/netlogic/xlr_net.c @@ -307,7 +307,7 @@ static netdev_tx_t xlr_net_start_xmit(struct sk_buff *skb, } static u16 xlr_net_select_queue(struct net_device *ndev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { return (u16)smp_processor_id(); } @@ -892,6 +892,11 @@ static int xlr_setup_mdio(struct xlr_net_priv *priv, priv->mii_bus->write = xlr_mii_write; priv->mii_bus->parent = &pdev->dev; priv->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL); + if (priv->mii_bus->irq == NULL) { + pr_err("irq alloc failed\n"); + mdiobus_free(priv->mii_bus); + return -ENOMEM; + } priv->mii_bus->irq[priv->phy_addr] = priv->ndev->irq; /* Scan only the enabled address */ diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c index 47e0a91238a..5a001d9b425 100644 --- a/drivers/staging/octeon-usb/octeon-hcd.c +++ b/drivers/staging/octeon-usb/octeon-hcd.c @@ -275,13 +275,6 @@ enum cvmx_usb_pipe_flags { */ #define MAX_TRANSFER_PACKETS ((1<<10)-1) -enum { - USB_CLOCK_TYPE_REF_12, - USB_CLOCK_TYPE_REF_24, - USB_CLOCK_TYPE_REF_48, - USB_CLOCK_TYPE_CRYSTAL_12, -}; - /** * Logical transactions may take numerous low level * transactions, especially when splits are concerned. This @@ -471,19 +464,6 @@ struct octeon_hcd { /* Returns the IO address to push/pop stuff data from the FIFOs */ #define USB_FIFO_ADDRESS(channel, usb_index) (CVMX_USBCX_GOTGCTL(usb_index) + ((channel)+1)*0x1000) -static int octeon_usb_get_clock_type(void) -{ - switch (cvmx_sysinfo_get()->board_type) { - case CVMX_BOARD_TYPE_BBGW_REF: - case CVMX_BOARD_TYPE_LANAI2_A: - case CVMX_BOARD_TYPE_LANAI2_U: - case CVMX_BOARD_TYPE_LANAI2_G: - case CVMX_BOARD_TYPE_UBNT_E100: - return USB_CLOCK_TYPE_CRYSTAL_12; - } - return USB_CLOCK_TYPE_REF_48; -} - /** * Read a USB 32bit CSR. It performs the necessary address swizzle * for 32bit CSRs and logs the value in a readable format if @@ -582,37 +562,6 @@ static inline int __cvmx_usb_get_data_pid(struct cvmx_usb_pipe *pipe) return 0; /* Data0 */ } - -/** - * Return the number of USB ports supported by this Octeon - * chip. If the chip doesn't support USB, or is not supported - * by this API, a zero will be returned. Most Octeon chips - * support one usb port, but some support two ports. - * cvmx_usb_initialize() must be called on independent - * struct cvmx_usb_state. - * - * Returns: Number of port, zero if usb isn't supported - */ -static int cvmx_usb_get_num_ports(void) -{ - int arch_ports = 0; - - if (OCTEON_IS_MODEL(OCTEON_CN56XX)) - arch_ports = 1; - else if (OCTEON_IS_MODEL(OCTEON_CN52XX)) - arch_ports = 2; - else if (OCTEON_IS_MODEL(OCTEON_CN50XX)) - arch_ports = 1; - else if (OCTEON_IS_MODEL(OCTEON_CN31XX)) - arch_ports = 1; - else if (OCTEON_IS_MODEL(OCTEON_CN30XX)) - arch_ports = 1; - else - arch_ports = 0; - - return arch_ports; -} - /** * Initialize a USB port for use. This must be called before any * other access to the Octeon USB port is made. The port starts @@ -628,41 +577,16 @@ static int cvmx_usb_get_num_ports(void) * Returns: 0 or a negative error code. */ static int cvmx_usb_initialize(struct cvmx_usb_state *usb, - int usb_port_number) + int usb_port_number, + enum cvmx_usb_initialize_flags flags) { union cvmx_usbnx_clk_ctl usbn_clk_ctl; union cvmx_usbnx_usbp_ctl_status usbn_usbp_ctl_status; - enum cvmx_usb_initialize_flags flags = 0; int i; /* At first allow 0-1 for the usb port number */ if ((usb_port_number < 0) || (usb_port_number > 1)) return -EINVAL; - /* For all chips except 52XX there is only one port */ - if (!OCTEON_IS_MODEL(OCTEON_CN52XX) && (usb_port_number > 0)) - return -EINVAL; - /* Try to determine clock type automatically */ - if (octeon_usb_get_clock_type() == USB_CLOCK_TYPE_CRYSTAL_12) { - /* Only 12 MHZ crystals are supported */ - flags |= CVMX_USB_INITIALIZE_FLAGS_CLOCK_XO_XI; - } else { - flags |= CVMX_USB_INITIALIZE_FLAGS_CLOCK_XO_GND; - - switch (octeon_usb_get_clock_type()) { - case USB_CLOCK_TYPE_REF_12: - flags |= CVMX_USB_INITIALIZE_FLAGS_CLOCK_12MHZ; - break; - case USB_CLOCK_TYPE_REF_24: - flags |= CVMX_USB_INITIALIZE_FLAGS_CLOCK_24MHZ; - break; - case USB_CLOCK_TYPE_REF_48: - flags |= CVMX_USB_INITIALIZE_FLAGS_CLOCK_48MHZ; - break; - default: - return -EINVAL; - break; - } - } memset(usb, 0, sizeof(*usb)); usb->init_flags = flags; @@ -3431,7 +3355,6 @@ static int octeon_usb_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, return 0; } - static const struct hc_driver octeon_hc_driver = { .description = "Octeon USB", .product_desc = "Octeon Host Controller", @@ -3448,15 +3371,74 @@ static const struct hc_driver octeon_hc_driver = { .hub_control = octeon_usb_hub_control, }; - -static int octeon_usb_driver_probe(struct device *dev) +static int octeon_usb_probe(struct platform_device *pdev) { int status; - int usb_num = to_platform_device(dev)->id; - int irq = platform_get_irq(to_platform_device(dev), 0); + int initialize_flags; + int usb_num; + struct resource *res_mem; + struct device_node *usbn_node; + int irq = platform_get_irq(pdev, 0); + struct device *dev = &pdev->dev; struct octeon_hcd *priv; struct usb_hcd *hcd; unsigned long flags; + u32 clock_rate = 48000000; + bool is_crystal_clock = false; + const char *clock_type; + int i; + + if (dev->of_node == NULL) { + dev_err(dev, "Error: empty of_node\n"); + return -ENXIO; + } + usbn_node = dev->of_node->parent; + + i = of_property_read_u32(usbn_node, + "refclk-frequency", &clock_rate); + if (i) { + dev_err(dev, "No USBN \"refclk-frequency\"\n"); + return -ENXIO; + } + switch (clock_rate) { + case 12000000: + initialize_flags = CVMX_USB_INITIALIZE_FLAGS_CLOCK_12MHZ; + break; + case 24000000: + initialize_flags = CVMX_USB_INITIALIZE_FLAGS_CLOCK_24MHZ; + break; + case 48000000: + initialize_flags = CVMX_USB_INITIALIZE_FLAGS_CLOCK_48MHZ; + break; + default: + dev_err(dev, "Illebal USBN \"refclk-frequency\" %u\n", clock_rate); + return -ENXIO; + + } + + i = of_property_read_string(usbn_node, + "refclk-type", &clock_type); + + if (!i && strcmp("crystal", clock_type) == 0) + is_crystal_clock = true; + + if (is_crystal_clock) + initialize_flags |= CVMX_USB_INITIALIZE_FLAGS_CLOCK_XO_XI; + else + initialize_flags |= CVMX_USB_INITIALIZE_FLAGS_CLOCK_XO_GND; + + res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res_mem == NULL) { + dev_err(dev, "found no memory resource\n"); + return -ENXIO; + } + usb_num = (res_mem->start >> 44) & 1; + + if (irq < 0) { + /* Defective device tree, but we know how to fix it. */ + irq_hw_number_t hwirq = usb_num ? (1 << 6) + 17 : 56; + irq = irq_create_mapping(NULL, hwirq); + } /* * Set the DMA mask to 64bits so we get buffers already translated for @@ -3465,6 +3447,26 @@ static int octeon_usb_driver_probe(struct device *dev) dev->coherent_dma_mask = ~0; dev->dma_mask = &dev->coherent_dma_mask; + /* + * Only cn52XX and cn56XX have DWC_OTG USB hardware and the + * IOB priority registers. Under heavy network load USB + * hardware can be starved by the IOB causing a crash. Give + * it a priority boost if it has been waiting more than 400 + * cycles to avoid this situation. + * + * Testing indicates that a cnt_val of 8192 is not sufficient, + * but no failures are seen with 4096. We choose a value of + * 400 to give a safety factor of 10. + */ + if (OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN56XX)) { + union cvmx_iob_n2c_l2c_pri_cnt pri_cnt; + + pri_cnt.u64 = 0; + pri_cnt.s.cnt_enb = 1; + pri_cnt.s.cnt_val = 400; + cvmx_write_csr(CVMX_IOB_N2C_L2C_PRI_CNT, pri_cnt.u64); + } + hcd = usb_create_hcd(&octeon_hc_driver, dev, dev_name(dev)); if (!hcd) { dev_dbg(dev, "Failed to allocate memory for HCD\n"); @@ -3478,7 +3480,7 @@ static int octeon_usb_driver_probe(struct device *dev) tasklet_init(&priv->dequeue_tasklet, octeon_usb_urb_dequeue_work, (unsigned long)priv); INIT_LIST_HEAD(&priv->dequeue_list); - status = cvmx_usb_initialize(&priv->usb, usb_num); + status = cvmx_usb_initialize(&priv->usb, usb_num, initialize_flags); if (status) { dev_dbg(dev, "USB initialization failed with %d\n", status); kfree(hcd); @@ -3492,7 +3494,7 @@ static int octeon_usb_driver_probe(struct device *dev) cvmx_usb_poll(&priv->usb); spin_unlock_irqrestore(&priv->lock, flags); - status = usb_add_hcd(hcd, irq, IRQF_SHARED); + status = usb_add_hcd(hcd, irq, 0); if (status) { dev_dbg(dev, "USB add HCD failed with %d\n", status); kfree(hcd); @@ -3500,14 +3502,15 @@ static int octeon_usb_driver_probe(struct device *dev) } device_wakeup_enable(hcd->self.controller); - dev_dbg(dev, "Registered HCD for port %d on irq %d\n", usb_num, irq); + dev_info(dev, "Registered HCD for port %d on irq %d\n", usb_num, irq); return 0; } -static int octeon_usb_driver_remove(struct device *dev) +static int octeon_usb_remove(struct platform_device *pdev) { int status; + struct device *dev = &pdev->dev; struct usb_hcd *hcd = dev_get_drvdata(dev); struct octeon_hcd *priv = hcd_to_octeon(hcd); unsigned long flags; @@ -3525,85 +3528,41 @@ static int octeon_usb_driver_remove(struct device *dev) return 0; } -static struct device_driver octeon_usb_driver = { - .name = "OcteonUSB", - .bus = &platform_bus_type, - .probe = octeon_usb_driver_probe, - .remove = octeon_usb_driver_remove, +static struct of_device_id octeon_usb_match[] = { + { + .compatible = "cavium,octeon-5750-usbc", + }, + {}, }; +static struct platform_driver octeon_usb_driver = { + .driver = { + .name = "OcteonUSB", + .owner = THIS_MODULE, + .of_match_table = octeon_usb_match, + }, + .probe = octeon_usb_probe, + .remove = octeon_usb_remove, +}; -#define MAX_USB_PORTS 10 -static struct platform_device *pdev_glob[MAX_USB_PORTS]; -static int octeon_usb_registered; -static int __init octeon_usb_module_init(void) +static int __init octeon_usb_driver_init(void) { - int num_devices = cvmx_usb_get_num_ports(); - int device; - - if (usb_disabled() || num_devices == 0) - return -ENODEV; - - if (driver_register(&octeon_usb_driver)) - return -ENOMEM; - - octeon_usb_registered = 1; - - /* - * Only cn52XX and cn56XX have DWC_OTG USB hardware and the - * IOB priority registers. Under heavy network load USB - * hardware can be starved by the IOB causing a crash. Give - * it a priority boost if it has been waiting more than 400 - * cycles to avoid this situation. - * - * Testing indicates that a cnt_val of 8192 is not sufficient, - * but no failures are seen with 4096. We choose a value of - * 400 to give a safety factor of 10. - */ - if (OCTEON_IS_MODEL(OCTEON_CN52XX) || OCTEON_IS_MODEL(OCTEON_CN56XX)) { - union cvmx_iob_n2c_l2c_pri_cnt pri_cnt; - - pri_cnt.u64 = 0; - pri_cnt.s.cnt_enb = 1; - pri_cnt.s.cnt_val = 400; - cvmx_write_csr(CVMX_IOB_N2C_L2C_PRI_CNT, pri_cnt.u64); - } - - for (device = 0; device < num_devices; device++) { - struct resource irq_resource; - struct platform_device *pdev; - memset(&irq_resource, 0, sizeof(irq_resource)); - irq_resource.start = (device == 0) ? OCTEON_IRQ_USB0 : OCTEON_IRQ_USB1; - irq_resource.end = irq_resource.start; - irq_resource.flags = IORESOURCE_IRQ; - pdev = platform_device_register_simple((char *)octeon_usb_driver. name, device, &irq_resource, 1); - if (IS_ERR(pdev)) { - driver_unregister(&octeon_usb_driver); - octeon_usb_registered = 0; - return PTR_ERR(pdev); - } - if (device < MAX_USB_PORTS) - pdev_glob[device] = pdev; + if (usb_disabled()) + return 0; - } - return 0; + return platform_driver_register(&octeon_usb_driver); } +module_init(octeon_usb_driver_init); -static void __exit octeon_usb_module_cleanup(void) +static void __exit octeon_usb_driver_exit(void) { - int i; + if (usb_disabled()) + return; - for (i = 0; i < MAX_USB_PORTS; i++) - if (pdev_glob[i]) { - platform_device_unregister(pdev_glob[i]); - pdev_glob[i] = NULL; - } - if (octeon_usb_registered) - driver_unregister(&octeon_usb_driver); + platform_driver_unregister(&octeon_usb_driver); } +module_exit(octeon_usb_driver_exit); MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Cavium Networks <support@caviumnetworks.com>"); -MODULE_DESCRIPTION("Cavium Networks Octeon USB Host driver."); -module_init(octeon_usb_module_init); -module_exit(octeon_usb_module_cleanup); +MODULE_AUTHOR("Cavium, Inc. <support@cavium.com>"); +MODULE_DESCRIPTION("Cavium Inc. OCTEON USB Host driver."); diff --git a/drivers/staging/ozwpan/ozproto.c b/drivers/staging/ozwpan/ozproto.c index cb060364dfe..5d965cf06d5 100644 --- a/drivers/staging/ozwpan/ozproto.c +++ b/drivers/staging/ozwpan/ozproto.c @@ -668,8 +668,8 @@ void oz_binding_add(const char *net_dev) if (binding) { binding->ptype.type = __constant_htons(OZ_ETHERTYPE); binding->ptype.func = oz_pkt_recv; - memcpy(binding->name, net_dev, OZ_MAX_BINDING_LEN); if (net_dev && *net_dev) { + memcpy(binding->name, net_dev, OZ_MAX_BINDING_LEN); oz_dbg(ON, "Adding binding: %s\n", net_dev); binding->ptype.dev = dev_get_by_name(&init_net, net_dev); @@ -680,6 +680,7 @@ void oz_binding_add(const char *net_dev) } } else { oz_dbg(ON, "Binding to all netcards\n"); + memset(binding->name, 0, OZ_MAX_BINDING_LEN); binding->ptype.dev = NULL; } if (binding) { diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c index 153ec61493a..96df62f95b6 100644 --- a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c +++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c @@ -912,12 +912,12 @@ int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) unsigned char *pbuf; u32 wpa_ielen = 0; u8 *pbssid = GetAddr3Ptr(pframe); - u32 hidden_ssid = 0; struct HT_info_element *pht_info = NULL; struct rtw_ieee80211_ht_cap *pht_cap = NULL; u32 bcn_channel; unsigned short ht_cap_info; unsigned char ht_info_infos_0; + int ssid_len; if (is_client_associated_to_ap(Adapter) == false) return true; @@ -999,21 +999,15 @@ int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) } /* checking SSID */ + ssid_len = 0; p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); - if (p == NULL) { - DBG_88E("%s marc: cannot find SSID for survey event\n", __func__); - hidden_ssid = true; - } else { - hidden_ssid = false; - } - - if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) { - memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1)); - bssid->Ssid.SsidLength = *(p + 1); - } else { - bssid->Ssid.SsidLength = 0; - bssid->Ssid.Ssid[0] = '\0'; + if (p) { + ssid_len = *(p + 1); + if (ssid_len > NDIS_802_11_LENGTH_SSID) + ssid_len = 0; } + memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len); + bssid->Ssid.SsidLength = ssid_len; RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d " "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid, diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c index dec99256947..4ad80ae1067 100644 --- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c @@ -2500,7 +2500,7 @@ static int rtw_mp_ioctl_hdl(struct net_device *dev, struct iw_request_info *info ("rtw_mp_ioctl_hdl: subcode [%d], len[%d], buffer_len[%d]\r\n", poidparam->subcode, poidparam->len, len)); - if (poidparam->subcode >= MAX_MP_IOCTL_SUBCODE) { + if (poidparam->subcode >= ARRAY_SIZE(mp_ioctl_hdl)) { RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, ("no matching drvext subcodes\r\n")); ret = -EINVAL; goto _rtw_mp_ioctl_hdl_exit; @@ -3164,9 +3164,7 @@ static int rtw_p2p_get_go_device_address(struct net_device *dev, u8 *p2pie; uint p2pielen = 0, attr_contentlen = 0; u8 attr_content[100] = {0x00}; - - u8 go_devadd_str[17 + 10] = {0x00}; - /* +10 is for the str "go_devadd =", we have to clear it at wrqu->data.pointer */ + u8 go_devadd_str[17 + 12] = {}; /* Commented by Albert 20121209 */ /* The input data is the GO's interface address which the application wants to know its device address. */ @@ -3223,12 +3221,12 @@ static int rtw_p2p_get_go_device_address(struct net_device *dev, spin_unlock_bh(&pmlmepriv->scanned_queue.lock); if (!blnMatch) - sprintf(go_devadd_str, "\n\ndev_add = NULL"); + snprintf(go_devadd_str, sizeof(go_devadd_str), "\n\ndev_add = NULL"); else - sprintf(go_devadd_str, "\n\ndev_add =%.2X:%.2X:%.2X:%.2X:%.2X:%.2X", + snprintf(go_devadd_str, sizeof(go_devadd_str), "\n\ndev_add =%.2X:%.2X:%.2X:%.2X:%.2X:%.2X", attr_content[0], attr_content[1], attr_content[2], attr_content[3], attr_content[4], attr_content[5]); - if (copy_to_user(wrqu->data.pointer, go_devadd_str, 10 + 17)) + if (copy_to_user(wrqu->data.pointer, go_devadd_str, sizeof(go_devadd_str))) return -EFAULT; return ret; } diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c index 68f98fa114d..7c9ee58f47b 100644 --- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c +++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c @@ -653,7 +653,7 @@ static unsigned int rtw_classify8021d(struct sk_buff *skb) } static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb, - void *accel_priv) + void *accel_priv, select_queue_fallback_t fallback) { struct adapter *padapter = rtw_netdev_priv(dev); struct mlme_priv *pmlmepriv = &padapter->mlmepriv; diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c index 0a341d6ec51..a70dcef1419 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c @@ -53,7 +53,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = { {USB_DEVICE(USB_VENDER_ID_REALTEK, 0x0179)}, /* 8188ETV */ /*=== Customer ID ===*/ /****** 8188EUS ********/ - {USB_DEVICE(0x8179, 0x07B8)}, /* Abocom - Abocom */ + {USB_DEVICE(0x07b8, 0x8179)}, /* Abocom - Abocom */ {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */ {} /* Terminating entry */ }; diff --git a/drivers/staging/rtl8821ae/Kconfig b/drivers/staging/rtl8821ae/Kconfig index 2aa5dac2f1d..abccc9dabd6 100644 --- a/drivers/staging/rtl8821ae/Kconfig +++ b/drivers/staging/rtl8821ae/Kconfig @@ -1,6 +1,6 @@ config R8821AE tristate "RealTek RTL8821AE Wireless LAN NIC driver" - depends on PCI && WLAN + depends on PCI && WLAN && MAC80211 depends on m select WIRELESS_EXT select WEXT_PRIV diff --git a/drivers/staging/rtl8821ae/wifi.h b/drivers/staging/rtl8821ae/wifi.h index cfe88a1efd5..76bef93ad70 100644 --- a/drivers/staging/rtl8821ae/wifi.h +++ b/drivers/staging/rtl8821ae/wifi.h @@ -1414,7 +1414,7 @@ struct rtl_dm { /*88e tx power tracking*/ - u8 bb_swing_idx_ofdm[2]; + u8 bb_swing_idx_ofdm[MAX_RF_PATH]; u8 bb_swing_idx_ofdm_current; u8 bb_swing_idx_ofdm_base[MAX_RF_PATH]; bool bb_swing_flag_Ofdm; diff --git a/drivers/staging/usbip/userspace/libsrc/names.c b/drivers/staging/usbip/userspace/libsrc/names.c index 3c8d28b771e..81ff8522405 100644 --- a/drivers/staging/usbip/userspace/libsrc/names.c +++ b/drivers/staging/usbip/userspace/libsrc/names.c @@ -169,14 +169,14 @@ static void *my_malloc(size_t size) struct pool *p; p = calloc(1, sizeof(struct pool)); - if (!p) { - free(p); + if (!p) return NULL; - } p->mem = calloc(1, size); - if (!p->mem) + if (!p->mem) { + free(p); return NULL; + } p->next = pool_head; pool_head = p; diff --git a/drivers/staging/usbip/vhci_sysfs.c b/drivers/staging/usbip/vhci_sysfs.c index 9b51586d11d..0141bc34d5c 100644 --- a/drivers/staging/usbip/vhci_sysfs.c +++ b/drivers/staging/usbip/vhci_sysfs.c @@ -149,7 +149,8 @@ static int valid_args(__u32 rhport, enum usb_device_speed speed) case USB_SPEED_WIRELESS: break; default: - pr_err("speed %d\n", speed); + pr_err("Failed attach request for unsupported USB speed: %s\n", + usb_speed_string(speed)); return -EINVAL; } diff --git a/drivers/staging/wlags49_h2/wl_wext.c b/drivers/staging/wlags49_h2/wl_wext.c index 4a1ddaf5e00..187fc060de2 100644 --- a/drivers/staging/wlags49_h2/wl_wext.c +++ b/drivers/staging/wlags49_h2/wl_wext.c @@ -1061,7 +1061,7 @@ static int wireless_set_essid(struct net_device *dev, struct iw_request_info *in goto out; } - if (data->flags != 0 && data->length > HCF_MAX_NAME_LEN + 1) { + if (data->flags != 0 && data->length > HCF_MAX_NAME_LEN) { ret = -EINVAL; goto out; } diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c index e048d6439f4..cda4d80cfae 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.c +++ b/drivers/target/iscsi/iscsi_target_erl1.c @@ -507,7 +507,9 @@ int iscsit_handle_status_snack( u32 last_statsn; int found_cmd; - if (conn->exp_statsn > begrun) { + if (!begrun) { + begrun = conn->exp_statsn; + } else if (conn->exp_statsn > begrun) { pr_err("Got Status SNACK Begrun: 0x%08x, RunLength:" " 0x%08x but already got ExpStatSN: 0x%08x on CID:" " %hu.\n", begrun, runlength, conn->exp_statsn, diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 12da9b38616..c3d9df6aaf5 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -500,7 +500,7 @@ static inline int core_alua_state_lba_dependent( if (segment_mult) { u64 tmp = lba; - start_lba = sector_div(tmp, segment_size * segment_mult); + start_lba = do_div(tmp, segment_size * segment_mult); last_lba = first_lba + segment_size - 1; if (start_lba >= first_lba && diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 2f5d77932c8..3013287a2aa 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -2009,7 +2009,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key, struct t10_reservation *pr_tmpl = &dev->t10_pr; unsigned char isid_buf[PR_REG_ISID_LEN], *isid_ptr = NULL; sense_reason_t ret = TCM_NO_SENSE; - int pr_holder = 0; + int pr_holder = 0, type; if (!se_sess || !se_lun) { pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n"); @@ -2131,6 +2131,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key, ret = TCM_RESERVATION_CONFLICT; goto out; } + type = pr_reg->pr_res_type; spin_lock(&pr_tmpl->registration_lock); /* @@ -2161,6 +2162,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key, * Release the calling I_T Nexus registration now.. */ __core_scsi3_free_registration(cmd->se_dev, pr_reg, NULL, 1); + pr_reg = NULL; /* * From spc4r17, section 5.7.11.3 Unregistering @@ -2174,8 +2176,8 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key, * RESERVATIONS RELEASED. */ if (pr_holder && - (pr_reg->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_REGONLY || - pr_reg->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_REGONLY)) { + (type == PR_TYPE_WRITE_EXCLUSIVE_REGONLY || + type == PR_TYPE_EXCLUSIVE_ACCESS_REGONLY)) { list_for_each_entry(pr_reg_p, &pr_tmpl->registration_list, pr_reg_list) { @@ -2194,7 +2196,8 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key, ret = core_scsi3_update_and_write_aptpl(dev, aptpl); out: - core_scsi3_put_pr_reg(pr_reg); + if (pr_reg) + core_scsi3_put_pr_reg(pr_reg); return ret; } diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index fa3cae393e1..a4489444ffb 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -1074,12 +1074,19 @@ sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read, struct scatterlist *psg; void *paddr, *addr; unsigned int i, len, left; + unsigned int offset = 0; left = sectors * dev->prot_length; for_each_sg(cmd->t_prot_sg, psg, cmd->t_prot_nents, i) { len = min(psg->length, left); + if (offset >= sg->length) { + sg = sg_next(sg); + offset = 0; + sg_off = sg->offset; + } + paddr = kmap_atomic(sg_page(psg)) + psg->offset; addr = kmap_atomic(sg_page(sg)) + sg_off; @@ -1089,6 +1096,7 @@ sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read, memcpy(addr, paddr, len); left -= len; + offset += len; kunmap_atomic(paddr); kunmap_atomic(addr); } diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 43c5ca9878b..3bebc71ea03 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -440,8 +440,8 @@ check_scsi_name: padding = ((-scsi_target_len) & 3); if (padding) scsi_target_len += padding; - if (scsi_name_len > 256) - scsi_name_len = 256; + if (scsi_target_len > 256) + scsi_target_len = 256; buf[off-1] = scsi_target_len; off += scsi_target_len; diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index c50fd9f11aa..24b4f65d877 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -669,9 +669,6 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) return; } - if (!success) - cmd->transport_state |= CMD_T_FAILED; - /* * Check for case where an explicit ABORT_TASK has been received * and transport_wait_for_tasks() will be waiting for completion.. @@ -681,7 +678,7 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) spin_unlock_irqrestore(&cmd->t_state_lock, flags); complete(&cmd->t_transport_stop_comp); return; - } else if (cmd->transport_state & CMD_T_FAILED) { + } else if (!success) { INIT_WORK(&cmd->work, target_complete_failure_work); } else { INIT_WORK(&cmd->work, target_complete_ok_work); diff --git a/drivers/tty/hvc/hvc_opal.c b/drivers/tty/hvc/hvc_opal.c index 6496872e2e4..b01659bd4f7 100644 --- a/drivers/tty/hvc/hvc_opal.c +++ b/drivers/tty/hvc/hvc_opal.c @@ -255,13 +255,7 @@ static int __init hvc_opal_init(void) /* Register as a vio device to receive callbacks */ return platform_driver_register(&hvc_opal_driver); } -module_init(hvc_opal_init); - -static void __exit hvc_opal_exit(void) -{ - platform_driver_unregister(&hvc_opal_driver); -} -module_exit(hvc_opal_exit); +device_initcall(hvc_opal_init); static void udbg_opal_putc(char c) { diff --git a/drivers/tty/hvc/hvc_rtas.c b/drivers/tty/hvc/hvc_rtas.c index 0069bb86ba4..08c87920b74 100644 --- a/drivers/tty/hvc/hvc_rtas.c +++ b/drivers/tty/hvc/hvc_rtas.c @@ -102,17 +102,7 @@ static int __init hvc_rtas_init(void) return 0; } -module_init(hvc_rtas_init); - -/* This will tear down the tty portion of the driver */ -static void __exit hvc_rtas_exit(void) -{ - /* Really the fun isn't over until the worker thread breaks down and - * the tty cleans up */ - if (hvc_rtas_dev) - hvc_remove(hvc_rtas_dev); -} -module_exit(hvc_rtas_exit); +device_initcall(hvc_rtas_init); /* This will happen prior to module init. There is no tty at this time? */ static int __init hvc_rtas_console_init(void) diff --git a/drivers/tty/hvc/hvc_udbg.c b/drivers/tty/hvc/hvc_udbg.c index 72228276fe3..9cf573d06a2 100644 --- a/drivers/tty/hvc/hvc_udbg.c +++ b/drivers/tty/hvc/hvc_udbg.c @@ -80,14 +80,7 @@ static int __init hvc_udbg_init(void) return 0; } -module_init(hvc_udbg_init); - -static void __exit hvc_udbg_exit(void) -{ - if (hvc_udbg_dev) - hvc_remove(hvc_udbg_dev); -} -module_exit(hvc_udbg_exit); +device_initcall(hvc_udbg_init); static int __init hvc_udbg_console_init(void) { diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index 636c9baad7a..2dc2831840c 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -561,18 +561,7 @@ static int __init xen_hvc_init(void) #endif return r; } - -static void __exit xen_hvc_fini(void) -{ - struct xencons_info *entry, *next; - - if (list_empty(&xenconsoles)) - return; - - list_for_each_entry_safe(entry, next, &xenconsoles, list) { - xen_console_remove(entry); - } -} +device_initcall(xen_hvc_init); static int xen_cons_init(void) { @@ -598,10 +587,6 @@ static int xen_cons_init(void) hvc_instantiate(HVC_COOKIE, 0, ops); return 0; } - - -module_init(xen_hvc_init); -module_exit(xen_hvc_fini); console_initcall(xen_cons_init); #ifdef CONFIG_EARLY_PRINTK diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index f34461c5f14..2ebe47b78a3 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -1090,6 +1090,7 @@ static void gsm_control_modem(struct gsm_mux *gsm, u8 *data, int clen) { unsigned int addr = 0; unsigned int modem = 0; + unsigned int brk = 0; struct gsm_dlci *dlci; int len = clen; u8 *dp = data; @@ -1116,6 +1117,16 @@ static void gsm_control_modem(struct gsm_mux *gsm, u8 *data, int clen) if (len == 0) return; } + len--; + if (len > 0) { + while (gsm_read_ea(&brk, *dp++) == 0) { + len--; + if (len == 0) + return; + } + modem <<= 7; + modem |= (brk & 0x7f); + } tty = tty_port_tty_get(&dlci->port); gsm_process_modem(tty, dlci, modem, clen); if (tty) { diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index cb8017aa443..d15624c1b75 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -817,8 +817,7 @@ static void process_echoes(struct tty_struct *tty) struct n_tty_data *ldata = tty->disc_data; size_t echoed; - if ((!L_ECHO(tty) && !L_ECHONL(tty)) || - ldata->echo_mark == ldata->echo_tail) + if (ldata->echo_mark == ldata->echo_tail) return; mutex_lock(&ldata->output_lock); @@ -1244,7 +1243,8 @@ n_tty_receive_signal_char(struct tty_struct *tty, int signal, unsigned char c) if (L_ECHO(tty)) { echo_char(c, tty); commit_echoes(tty); - } + } else + process_echoes(tty); isig(signal, tty); return; } @@ -1274,7 +1274,7 @@ n_tty_receive_char_special(struct tty_struct *tty, unsigned char c) if (I_IXON(tty)) { if (c == START_CHAR(tty)) { start_tty(tty); - commit_echoes(tty); + process_echoes(tty); return 0; } if (c == STOP_CHAR(tty)) { @@ -1820,8 +1820,10 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) * Fix tty hang when I_IXON(tty) is cleared, but the tty * been stopped by STOP_CHAR(tty) before it. */ - if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow_stopped) + if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow_stopped) { start_tty(tty); + process_echoes(tty); + } /* The termios change make the tty ready for I/O */ if (waitqueue_active(&tty->write_wait)) @@ -1896,7 +1898,7 @@ err: static inline int input_available_p(struct tty_struct *tty, int poll) { struct n_tty_data *ldata = tty->disc_data; - int amt = poll && !TIME_CHAR(tty) ? MIN_CHAR(tty) : 1; + int amt = poll && !TIME_CHAR(tty) && MIN_CHAR(tty) ? MIN_CHAR(tty) : 1; if (ldata->icanon && !L_EXTPROC(tty)) { if (ldata->canon_head != ldata->read_tail) diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 61ecd709a72..69932b7556c 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -2433,6 +2433,24 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, serial_dl_write(up, quot); /* + * XR17V35x UARTs have an extra fractional divisor register (DLD) + * + * We need to recalculate all of the registers, because DLM and DLL + * are already rounded to a whole integer. + * + * When recalculating we use a 32x clock instead of a 16x clock to + * allow 1-bit for rounding in the fractional part. + */ + if (up->port.type == PORT_XR17V35X) { + unsigned int baud_x32 = (port->uartclk * 2) / baud; + u16 quot = baud_x32 / 32; + u8 quot_frac = DIV_ROUND_CLOSEST(baud_x32 % 32, 2); + + serial_dl_write(up, quot); + serial_port_out(port, 0x2, quot_frac & 0xf); + } + + /* * LCR DLAB must be set to enable 64-byte FIFO mode. If the FCR * is written without DLAB set, this mode will be disabled. */ diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index faa64e64610..ed311357674 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -391,7 +391,7 @@ static int dw8250_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int dw8250_suspend(struct device *dev) { struct dw8250_data *data = dev_get_drvdata(dev); @@ -409,7 +409,7 @@ static int dw8250_resume(struct device *dev) return 0; } -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ #ifdef CONFIG_PM_RUNTIME static int dw8250_runtime_suspend(struct device *dev) diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 50228eed3b6..0ff3e3624d4 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -783,7 +783,8 @@ static int pci_netmos_9900_setup(struct serial_private *priv, { unsigned int bar; - if ((priv->dev->subsystem_device & 0xff00) == 0x3000) { + if ((priv->dev->device != PCI_DEVICE_ID_NETMOS_9865) && + (priv->dev->subsystem_device & 0xff00) == 0x3000) { /* netmos apparently orders BARs by datasheet layout, so serial * ports get BARs 0 and 3 (or 1 and 4 for memmapped) */ diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index fa511ebab67..77f035158d6 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -738,9 +738,6 @@ static int serial_omap_startup(struct uart_port *port) return retval; } disable_irq(up->wakeirq); - } else { - dev_info(up->port.dev, "no wakeirq for uart%d\n", - up->port.line); } dev_dbg(up->port.dev, "serial_omap_startup+%d\n", up->port.line); @@ -1604,8 +1601,11 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up, flags & SER_RS485_RTS_AFTER_SEND); if (ret < 0) return ret; - } else + } else if (up->rts_gpio == -EPROBE_DEFER) { + return -EPROBE_DEFER; + } else { up->rts_gpio = -EINVAL; + } if (of_property_read_u32_array(np, "rs485-rts-delay", rs485_delay, 2) == 0) { @@ -1687,6 +1687,9 @@ static int serial_omap_probe(struct platform_device *pdev) up->port.iotype = UPIO_MEM; up->port.irq = uartirq; up->wakeirq = wakeirq; + if (!up->wakeirq) + dev_info(up->port.dev, "no wakeirq for uart%d\n", + up->port.line); up->port.regshift = 2; up->port.fifosize = 64; diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c index 49a2ffd101a..b7bfe24d4eb 100644 --- a/drivers/tty/serial/sirfsoc_uart.c +++ b/drivers/tty/serial/sirfsoc_uart.c @@ -542,8 +542,10 @@ static void sirfsoc_rx_tmo_process_tl(unsigned long param) wr_regl(port, ureg->sirfsoc_rx_dma_io_ctrl, rd_regl(port, ureg->sirfsoc_rx_dma_io_ctrl) | SIRFUART_IO_MODE); - sirfsoc_uart_pio_rx_chars(port, 4 - sirfport->rx_io_count); spin_unlock_irqrestore(&sirfport->rx_lock, flags); + spin_lock(&port->lock); + sirfsoc_uart_pio_rx_chars(port, 4 - sirfport->rx_io_count); + spin_unlock(&port->lock); if (sirfport->rx_io_count == 4) { spin_lock_irqsave(&sirfport->rx_lock, flags); sirfport->rx_io_count = 0; diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 61b1137d7e5..23b5d32954b 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1164,6 +1164,8 @@ static void csi_J(struct vc_data *vc, int vpar) scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char, vc->vc_screenbuf_size >> 1); set_origin(vc); + if (CON_IS_VISIBLE(vc)) + update_screen(vc); /* fall through */ case 2: /* erase whole display */ count = vc->vc_cols * vc->vc_rows; diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 80de2f88ed2..4ab2cb62dfc 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -105,7 +105,7 @@ static int hw_ep_flush(struct ci_hdrc *ci, int num, int dir) do { /* flush any pending transfer */ - hw_write(ci, OP_ENDPTFLUSH, BIT(n), BIT(n)); + hw_write(ci, OP_ENDPTFLUSH, ~0, BIT(n)); while (hw_read(ci, OP_ENDPTFLUSH, BIT(n))) cpu_relax(); } while (hw_read(ci, OP_ENDPTSTAT, BIT(n))); @@ -205,7 +205,7 @@ static int hw_ep_prime(struct ci_hdrc *ci, int num, int dir, int is_ctrl) if (is_ctrl && dir == RX && hw_read(ci, OP_ENDPTSETUPSTAT, BIT(num))) return -EAGAIN; - hw_write(ci, OP_ENDPTPRIME, BIT(n), BIT(n)); + hw_write(ci, OP_ENDPTPRIME, ~0, BIT(n)); while (hw_read(ci, OP_ENDPTPRIME, BIT(n))) cpu_relax(); diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 5d01558cef6..ab90a015682 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -63,8 +63,10 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, dynid->id.idProduct = idProduct; dynid->id.match_flags = USB_DEVICE_ID_MATCH_DEVICE; if (fields > 2 && bInterfaceClass) { - if (bInterfaceClass > 255) - return -EINVAL; + if (bInterfaceClass > 255) { + retval = -EINVAL; + goto fail; + } dynid->id.bInterfaceClass = (u8)bInterfaceClass; dynid->id.match_flags |= USB_DEVICE_ID_MATCH_INT_CLASS; @@ -73,17 +75,21 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, if (fields > 4) { const struct usb_device_id *id = id_table; - if (!id) - return -ENODEV; + if (!id) { + retval = -ENODEV; + goto fail; + } for (; id->match_flags; id++) if (id->idVendor == refVendor && id->idProduct == refProduct) break; - if (id->match_flags) + if (id->match_flags) { dynid->id.driver_info = id->driver_info; - else - return -ENODEV; + } else { + retval = -ENODEV; + goto fail; + } } spin_lock(&dynids->lock); @@ -95,6 +101,10 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, if (retval) return retval; return count; + +fail: + kfree(dynid); + return retval; } EXPORT_SYMBOL_GPL(usb_store_new_id); diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 199aaea6bfe..2518c325075 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1032,7 +1032,6 @@ static int register_root_hub(struct usb_hcd *hcd) dev_name(&usb_dev->dev), retval); return retval; } - usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev); } retval = usb_new_device (usb_dev); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index babba885978..64ea21971be 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -128,7 +128,7 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev) return usb_get_intfdata(hdev->actconfig->interface[0]); } -int usb_device_supports_lpm(struct usb_device *udev) +static int usb_device_supports_lpm(struct usb_device *udev) { /* USB 2.1 (and greater) devices indicate LPM support through * their USB 2.0 Extended Capabilities BOS descriptor. @@ -149,11 +149,6 @@ int usb_device_supports_lpm(struct usb_device *udev) "Power management will be impacted.\n"); return 0; } - - /* udev is root hub */ - if (!udev->parent) - return 1; - if (udev->parent->lpm_capable) return 1; diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index c49383669cd..823857767a1 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -35,7 +35,6 @@ extern int usb_get_device_descriptor(struct usb_device *dev, unsigned int size); extern int usb_get_bos_descriptor(struct usb_device *dev); extern void usb_release_bos_descriptor(struct usb_device *dev); -extern int usb_device_supports_lpm(struct usb_device *udev); extern char *usb_cache_string(struct usb_device *udev, int index); extern int usb_set_configuration(struct usb_device *dev, int configuration); extern int usb_choose_configuration(struct usb_device *udev); diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index 8565d87f94b..1d129884cc3 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -216,7 +216,7 @@ static int dwc2_hs_phy_init(struct dwc2_hsotg *hsotg, bool select_phy) int retval = 0; if (!select_phy) - return -ENODEV; + return 0; usbcfg = readl(hsotg->regs + GUSBCFG); diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index f59484d43b3..4d918ed8d34 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -2565,25 +2565,14 @@ static void _dwc2_hcd_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep) { struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd); - int is_control = usb_endpoint_xfer_control(&ep->desc); - int is_out = usb_endpoint_dir_out(&ep->desc); - int epnum = usb_endpoint_num(&ep->desc); - struct usb_device *udev; unsigned long flags; dev_dbg(hsotg->dev, "DWC OTG HCD EP RESET: bEndpointAddress=0x%02x\n", ep->desc.bEndpointAddress); - udev = to_usb_device(hsotg->dev); - spin_lock_irqsave(&hsotg->lock, flags); - - usb_settoggle(udev, epnum, is_out, 0); - if (is_control) - usb_settoggle(udev, epnum, !is_out, 0); dwc2_hcd_endpoint_reset(hsotg, ep); - spin_unlock_irqrestore(&hsotg->lock, flags); } diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index d01d0d3f2cf..eaba547ce26 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -124,6 +124,9 @@ static int dwc2_driver_probe(struct platform_device *dev) int retval; int irq; + if (usb_disabled()) + return -ENODEV; + match = of_match_device(dwc2_of_match_table, &dev->dev); if (match && match->data) { params = match->data; diff --git a/drivers/usb/gadget/bcm63xx_udc.c b/drivers/usb/gadget/bcm63xx_udc.c index 888fbb43b33..e969eb809a8 100644 --- a/drivers/usb/gadget/bcm63xx_udc.c +++ b/drivers/usb/gadget/bcm63xx_udc.c @@ -360,24 +360,30 @@ static inline void usb_dma_writel(struct bcm63xx_udc *udc, u32 val, u32 off) bcm_writel(val, udc->iudma_regs + off); } -static inline u32 usb_dmac_readl(struct bcm63xx_udc *udc, u32 off) +static inline u32 usb_dmac_readl(struct bcm63xx_udc *udc, u32 off, int chan) { - return bcm_readl(udc->iudma_regs + IUDMA_DMAC_OFFSET + off); + return bcm_readl(udc->iudma_regs + IUDMA_DMAC_OFFSET + off + + (ENETDMA_CHAN_WIDTH * chan)); } -static inline void usb_dmac_writel(struct bcm63xx_udc *udc, u32 val, u32 off) +static inline void usb_dmac_writel(struct bcm63xx_udc *udc, u32 val, u32 off, + int chan) { - bcm_writel(val, udc->iudma_regs + IUDMA_DMAC_OFFSET + off); + bcm_writel(val, udc->iudma_regs + IUDMA_DMAC_OFFSET + off + + (ENETDMA_CHAN_WIDTH * chan)); } -static inline u32 usb_dmas_readl(struct bcm63xx_udc *udc, u32 off) +static inline u32 usb_dmas_readl(struct bcm63xx_udc *udc, u32 off, int chan) { - return bcm_readl(udc->iudma_regs + IUDMA_DMAS_OFFSET + off); + return bcm_readl(udc->iudma_regs + IUDMA_DMAS_OFFSET + off + + (ENETDMA_CHAN_WIDTH * chan)); } -static inline void usb_dmas_writel(struct bcm63xx_udc *udc, u32 val, u32 off) +static inline void usb_dmas_writel(struct bcm63xx_udc *udc, u32 val, u32 off, + int chan) { - bcm_writel(val, udc->iudma_regs + IUDMA_DMAS_OFFSET + off); + bcm_writel(val, udc->iudma_regs + IUDMA_DMAS_OFFSET + off + + (ENETDMA_CHAN_WIDTH * chan)); } static inline void set_clocks(struct bcm63xx_udc *udc, bool is_enabled) @@ -638,7 +644,7 @@ static void iudma_write(struct bcm63xx_udc *udc, struct iudma_ch *iudma, } while (!last_bd); usb_dmac_writel(udc, ENETDMAC_CHANCFG_EN_MASK, - ENETDMAC_CHANCFG_REG(iudma->ch_idx)); + ENETDMAC_CHANCFG_REG, iudma->ch_idx); } /** @@ -694,9 +700,9 @@ static void iudma_reset_channel(struct bcm63xx_udc *udc, struct iudma_ch *iudma) bcm63xx_fifo_reset_ep(udc, max(0, iudma->ep_num)); /* stop DMA, then wait for the hardware to wrap up */ - usb_dmac_writel(udc, 0, ENETDMAC_CHANCFG_REG(ch_idx)); + usb_dmac_writel(udc, 0, ENETDMAC_CHANCFG_REG, ch_idx); - while (usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG(ch_idx)) & + while (usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG, ch_idx) & ENETDMAC_CHANCFG_EN_MASK) { udelay(1); @@ -713,10 +719,10 @@ static void iudma_reset_channel(struct bcm63xx_udc *udc, struct iudma_ch *iudma) dev_warn(udc->dev, "forcibly halting IUDMA channel %d\n", ch_idx); usb_dmac_writel(udc, ENETDMAC_CHANCFG_BUFHALT_MASK, - ENETDMAC_CHANCFG_REG(ch_idx)); + ENETDMAC_CHANCFG_REG, ch_idx); } } - usb_dmac_writel(udc, ~0, ENETDMAC_IR_REG(ch_idx)); + usb_dmac_writel(udc, ~0, ENETDMAC_IR_REG, ch_idx); /* don't leave "live" HW-owned entries for the next guy to step on */ for (d = iudma->bd_ring; d <= iudma->end_bd; d++) @@ -728,11 +734,11 @@ static void iudma_reset_channel(struct bcm63xx_udc *udc, struct iudma_ch *iudma) /* set up IRQs, UBUS burst size, and BD base for this channel */ usb_dmac_writel(udc, ENETDMAC_IR_BUFDONE_MASK, - ENETDMAC_IRMASK_REG(ch_idx)); - usb_dmac_writel(udc, 8, ENETDMAC_MAXBURST_REG(ch_idx)); + ENETDMAC_IRMASK_REG, ch_idx); + usb_dmac_writel(udc, 8, ENETDMAC_MAXBURST_REG, ch_idx); - usb_dmas_writel(udc, iudma->bd_ring_dma, ENETDMAS_RSTART_REG(ch_idx)); - usb_dmas_writel(udc, 0, ENETDMAS_SRAM2_REG(ch_idx)); + usb_dmas_writel(udc, iudma->bd_ring_dma, ENETDMAS_RSTART_REG, ch_idx); + usb_dmas_writel(udc, 0, ENETDMAS_SRAM2_REG, ch_idx); } /** @@ -2035,7 +2041,7 @@ static irqreturn_t bcm63xx_udc_data_isr(int irq, void *dev_id) spin_lock(&udc->lock); usb_dmac_writel(udc, ENETDMAC_IR_BUFDONE_MASK, - ENETDMAC_IR_REG(iudma->ch_idx)); + ENETDMAC_IR_REG, iudma->ch_idx); bep = iudma->bep; rc = iudma_read(udc, iudma); @@ -2175,18 +2181,18 @@ static int bcm63xx_iudma_dbg_show(struct seq_file *s, void *p) seq_printf(s, " [ep%d]:\n", max_t(int, iudma_defaults[ch_idx].ep_num, 0)); seq_printf(s, " cfg: %08x; irqstat: %08x; irqmask: %08x; maxburst: %08x\n", - usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG(ch_idx)), - usb_dmac_readl(udc, ENETDMAC_IR_REG(ch_idx)), - usb_dmac_readl(udc, ENETDMAC_IRMASK_REG(ch_idx)), - usb_dmac_readl(udc, ENETDMAC_MAXBURST_REG(ch_idx))); + usb_dmac_readl(udc, ENETDMAC_CHANCFG_REG, ch_idx), + usb_dmac_readl(udc, ENETDMAC_IR_REG, ch_idx), + usb_dmac_readl(udc, ENETDMAC_IRMASK_REG, ch_idx), + usb_dmac_readl(udc, ENETDMAC_MAXBURST_REG, ch_idx)); - sram2 = usb_dmas_readl(udc, ENETDMAS_SRAM2_REG(ch_idx)); - sram3 = usb_dmas_readl(udc, ENETDMAS_SRAM3_REG(ch_idx)); + sram2 = usb_dmas_readl(udc, ENETDMAS_SRAM2_REG, ch_idx); + sram3 = usb_dmas_readl(udc, ENETDMAS_SRAM3_REG, ch_idx); seq_printf(s, " base: %08x; index: %04x_%04x; desc: %04x_%04x %08x\n", - usb_dmas_readl(udc, ENETDMAS_RSTART_REG(ch_idx)), + usb_dmas_readl(udc, ENETDMAS_RSTART_REG, ch_idx), sram2 >> 16, sram2 & 0xffff, sram3 >> 16, sram3 & 0xffff, - usb_dmas_readl(udc, ENETDMAS_SRAM4_REG(ch_idx))); + usb_dmas_readl(udc, ENETDMAS_SRAM4_REG, ch_idx)); seq_printf(s, " desc: %d/%d used", iudma->n_bds_used, iudma->n_bds); diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 306a2b52125..2b433439407 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -585,7 +585,6 @@ static ssize_t ffs_epfile_io(struct file *file, char __user *buf, size_t len, int read) { struct ffs_epfile *epfile = file->private_data; - struct usb_gadget *gadget = epfile->ffs->gadget; struct ffs_ep *ep; char *data = NULL; ssize_t ret, data_len; @@ -622,6 +621,12 @@ static ssize_t ffs_epfile_io(struct file *file, /* Allocate & copy */ if (!halt) { /* + * if we _do_ wait above, the epfile->ffs->gadget might be NULL + * before the waiting completes, so do not assign to 'gadget' earlier + */ + struct usb_gadget *gadget = epfile->ffs->gadget; + + /* * Controller may require buffer size to be aligned to * maxpacketsize of an out endpoint. */ diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index bf7a56b6d48..69b76efd11e 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -1157,7 +1157,7 @@ static int __init printer_bind_config(struct usb_configuration *c) usb_gadget_set_selfpowered(gadget); - if (gadget->is_otg) { + if (gadget_is_otg(gadget)) { otg_descriptor.bmAttributes |= USB_OTG_HNP; printer_cfg_driver.descriptors = otg_desc; printer_cfg_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP; diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c index f04b2c3154d..dd9678f85c5 100644 --- a/drivers/usb/gadget/s3c2410_udc.c +++ b/drivers/usb/gadget/s3c2410_udc.c @@ -1629,7 +1629,7 @@ static void s3c2410_udc_reinit(struct s3c2410_udc *dev) ep->ep.desc = NULL; ep->halted = 0; INIT_LIST_HEAD(&ep->queue); - usb_ep_set_maxpacket_limit(&ep->ep, &ep->ep.maxpacket); + usb_ep_set_maxpacket_limit(&ep->ep, ep->ep.maxpacket); } } diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 47b858fc50b..7ae0c4d5174 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -238,6 +238,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) int port; int mask; int changed; + bool fs_idle_delay; ehci_dbg(ehci, "suspend root hub\n"); @@ -272,6 +273,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) ehci->bus_suspended = 0; ehci->owned_ports = 0; changed = 0; + fs_idle_delay = false; port = HCS_N_PORTS(ehci->hcs_params); while (port--) { u32 __iomem *reg = &ehci->regs->port_status [port]; @@ -300,16 +302,32 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) } if (t1 != t2) { + /* + * On some controllers, Wake-On-Disconnect will + * generate false wakeup signals until the bus + * switches over to full-speed idle. For their + * sake, add a delay if we need one. + */ + if ((t2 & PORT_WKDISC_E) && + ehci_port_speed(ehci, t2) == + USB_PORT_STAT_HIGH_SPEED) + fs_idle_delay = true; ehci_writel(ehci, t2, reg); changed = 1; } } + spin_unlock_irq(&ehci->lock); + + if ((changed && ehci->has_tdi_phy_lpm) || fs_idle_delay) { + /* + * Wait for HCD to enter low-power mode or for the bus + * to switch to full-speed idle. + */ + usleep_range(5000, 5500); + } if (changed && ehci->has_tdi_phy_lpm) { - spin_unlock_irq(&ehci->lock); - msleep(5); /* 5 ms for HCD to enter low-power mode */ spin_lock_irq(&ehci->lock); - port = HCS_N_PORTS(ehci->hcs_params); while (port--) { u32 __iomem *hostpc_reg = &ehci->regs->hostpc[port]; @@ -322,8 +340,8 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) port, (t3 & HOSTPC_PHCD) ? "succeeded" : "failed"); } + spin_unlock_irq(&ehci->lock); } - spin_unlock_irq(&ehci->lock); /* Apparently some devices need a >= 1-uframe delay here */ if (ehci->bus_suspended) diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c index b016d38199f..eb009a457fb 100644 --- a/drivers/usb/host/xhci-dbg.c +++ b/drivers/usb/host/xhci-dbg.c @@ -203,12 +203,12 @@ void xhci_print_ir_set(struct xhci_hcd *xhci, int set_num) addr, (unsigned int)temp); addr = &ir_set->erst_base; - temp_64 = readq(addr); + temp_64 = xhci_read_64(xhci, addr); xhci_dbg(xhci, " %p: ir_set.erst_base = @%08llx\n", addr, temp_64); addr = &ir_set->erst_dequeue; - temp_64 = readq(addr); + temp_64 = xhci_read_64(xhci, addr); xhci_dbg(xhci, " %p: ir_set.erst_dequeue = @%08llx\n", addr, temp_64); } @@ -412,7 +412,7 @@ void xhci_dbg_cmd_ptrs(struct xhci_hcd *xhci) { u64 val; - val = readq(&xhci->op_regs->cmd_ring); + val = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); xhci_dbg(xhci, "// xHC command ring deq ptr low bits + flags = @%08x\n", lower_32_bits(val)); xhci_dbg(xhci, "// xHC command ring deq ptr high bits = @%08x\n", diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 873c272b3ef..bce4391a0e7 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1958,7 +1958,7 @@ static void xhci_set_hc_event_deq(struct xhci_hcd *xhci) xhci_warn(xhci, "WARN something wrong with SW event ring " "dequeue ptr.\n"); /* Update HC event ring dequeue pointer */ - temp = readq(&xhci->ir_set->erst_dequeue); + temp = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); temp &= ERST_PTR_MASK; /* Don't clear the EHB bit (which is RW1C) because * there might be more events to service. @@ -1967,7 +1967,7 @@ static void xhci_set_hc_event_deq(struct xhci_hcd *xhci) xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Write event ring dequeue pointer, " "preserving EHB bit"); - writeq(((u64) deq & (u64) ~ERST_PTR_MASK) | temp, + xhci_write_64(xhci, ((u64) deq & (u64) ~ERST_PTR_MASK) | temp, &xhci->ir_set->erst_dequeue); } @@ -2269,7 +2269,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Device context base array address = 0x%llx (DMA), %p (virt)", (unsigned long long)xhci->dcbaa->dma, xhci->dcbaa); - writeq(dma, &xhci->op_regs->dcbaa_ptr); + xhci_write_64(xhci, dma, &xhci->op_regs->dcbaa_ptr); /* * Initialize the ring segment pool. The ring must be a contiguous @@ -2312,13 +2312,13 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) (unsigned long long)xhci->cmd_ring->first_seg->dma); /* Set the address in the Command Ring Control register */ - val_64 = readq(&xhci->op_regs->cmd_ring); + val_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); val_64 = (val_64 & (u64) CMD_RING_RSVD_BITS) | (xhci->cmd_ring->first_seg->dma & (u64) ~CMD_RING_RSVD_BITS) | xhci->cmd_ring->cycle_state; xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Setting command ring address to 0x%x", val); - writeq(val_64, &xhci->op_regs->cmd_ring); + xhci_write_64(xhci, val_64, &xhci->op_regs->cmd_ring); xhci_dbg_cmd_ptrs(xhci); xhci->lpm_command = xhci_alloc_command(xhci, true, true, flags); @@ -2396,10 +2396,10 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Set ERST base address for ir_set 0 = 0x%llx", (unsigned long long)xhci->erst.erst_dma_addr); - val_64 = readq(&xhci->ir_set->erst_base); + val_64 = xhci_read_64(xhci, &xhci->ir_set->erst_base); val_64 &= ERST_PTR_MASK; val_64 |= (xhci->erst.erst_dma_addr & (u64) ~ERST_PTR_MASK); - writeq(val_64, &xhci->ir_set->erst_base); + xhci_write_64(xhci, val_64, &xhci->ir_set->erst_base); /* Set the event ring dequeue address */ xhci_set_hc_event_deq(xhci); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 3c898c12a06..04f986d9234 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -142,6 +142,11 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) "QUIRK: Resetting on resume"); xhci->quirks |= XHCI_TRUST_TX_LENGTH; } + if (pdev->vendor == PCI_VENDOR_ID_RENESAS && + pdev->device == 0x0015 && + pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG && + pdev->subsystem_device == 0xc0cd) + xhci->quirks |= XHCI_RESET_ON_RESUME; if (pdev->vendor == PCI_VENDOR_ID_VIA) xhci->quirks |= XHCI_RESET_ON_RESUME; } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index a0b248c3452..0ed64eb68e4 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -307,13 +307,14 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci) return 0; } - temp_64 = readq(&xhci->op_regs->cmd_ring); + temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); if (!(temp_64 & CMD_RING_RUNNING)) { xhci_dbg(xhci, "Command ring had been stopped\n"); return 0; } xhci->cmd_ring_state = CMD_RING_STATE_ABORTED; - writeq(temp_64 | CMD_RING_ABORT, &xhci->op_regs->cmd_ring); + xhci_write_64(xhci, temp_64 | CMD_RING_ABORT, + &xhci->op_regs->cmd_ring); /* Section 4.6.1.2 of xHCI 1.0 spec says software should * time the completion od all xHCI commands, including @@ -2864,8 +2865,9 @@ hw_died: /* Clear the event handler busy flag (RW1C); * the event ring should be empty. */ - temp_64 = readq(&xhci->ir_set->erst_dequeue); - writeq(temp_64 | ERST_EHB, &xhci->ir_set->erst_dequeue); + temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); + xhci_write_64(xhci, temp_64 | ERST_EHB, + &xhci->ir_set->erst_dequeue); spin_unlock(&xhci->lock); return IRQ_HANDLED; @@ -2877,7 +2879,7 @@ hw_died: */ while (xhci_handle_event(xhci) > 0) {} - temp_64 = readq(&xhci->ir_set->erst_dequeue); + temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); /* If necessary, update the HW's version of the event ring deq ptr. */ if (event_ring_deq != xhci->event_ring->dequeue) { deq = xhci_trb_virt_to_dma(xhci->event_ring->deq_seg, @@ -2892,7 +2894,7 @@ hw_died: /* Clear the event handler busy flag (RW1C); event ring is empty. */ temp_64 |= ERST_EHB; - writeq(temp_64, &xhci->ir_set->erst_dequeue); + xhci_write_64(xhci, temp_64, &xhci->ir_set->erst_dequeue); spin_unlock(&xhci->lock); @@ -2965,58 +2967,8 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, } while (1) { - if (room_on_ring(xhci, ep_ring, num_trbs)) { - union xhci_trb *trb = ep_ring->enqueue; - unsigned int usable = ep_ring->enq_seg->trbs + - TRBS_PER_SEGMENT - 1 - trb; - u32 nop_cmd; - - /* - * Section 4.11.7.1 TD Fragments states that a link - * TRB must only occur at the boundary between - * data bursts (eg 512 bytes for 480M). - * While it is possible to split a large fragment - * we don't know the size yet. - * Simplest solution is to fill the trb before the - * LINK with nop commands. - */ - if (num_trbs == 1 || num_trbs <= usable || usable == 0) - break; - - if (ep_ring->type != TYPE_BULK) - /* - * While isoc transfers might have a buffer that - * crosses a 64k boundary it is unlikely. - * Since we can't add NOPs without generating - * gaps in the traffic just hope it never - * happens at the end of the ring. - * This could be fixed by writing a LINK TRB - * instead of the first NOP - however the - * TRB_TYPE_LINK_LE32() calls would all need - * changing to check the ring length. - */ - break; - - if (num_trbs >= TRBS_PER_SEGMENT) { - xhci_err(xhci, "Too many fragments %d, max %d\n", - num_trbs, TRBS_PER_SEGMENT - 1); - return -EINVAL; - } - - nop_cmd = cpu_to_le32(TRB_TYPE(TRB_TR_NOOP) | - ep_ring->cycle_state); - ep_ring->num_trbs_free -= usable; - do { - trb->generic.field[0] = 0; - trb->generic.field[1] = 0; - trb->generic.field[2] = 0; - trb->generic.field[3] = nop_cmd; - trb++; - } while (--usable); - ep_ring->enqueue = trb; - if (room_on_ring(xhci, ep_ring, num_trbs)) - break; - } + if (room_on_ring(xhci, ep_ring, num_trbs)) + break; if (ep_ring == xhci->cmd_ring) { xhci_err(xhci, "Do not support expand command ring\n"); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index ad364394885..6fe577d46fa 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -611,7 +611,7 @@ int xhci_run(struct usb_hcd *hcd) xhci_dbg(xhci, "Event ring:\n"); xhci_debug_ring(xhci, xhci->event_ring); xhci_dbg_ring_ptrs(xhci, xhci->event_ring); - temp_64 = readq(&xhci->ir_set->erst_dequeue); + temp_64 = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); temp_64 &= ~ERST_PTR_MASK; xhci_dbg_trace(xhci, trace_xhci_dbg_init, "ERST deq = 64'h%0lx", (long unsigned int) temp_64); @@ -756,11 +756,11 @@ static void xhci_save_registers(struct xhci_hcd *xhci) { xhci->s3.command = readl(&xhci->op_regs->command); xhci->s3.dev_nt = readl(&xhci->op_regs->dev_notification); - xhci->s3.dcbaa_ptr = readq(&xhci->op_regs->dcbaa_ptr); + xhci->s3.dcbaa_ptr = xhci_read_64(xhci, &xhci->op_regs->dcbaa_ptr); xhci->s3.config_reg = readl(&xhci->op_regs->config_reg); xhci->s3.erst_size = readl(&xhci->ir_set->erst_size); - xhci->s3.erst_base = readq(&xhci->ir_set->erst_base); - xhci->s3.erst_dequeue = readq(&xhci->ir_set->erst_dequeue); + xhci->s3.erst_base = xhci_read_64(xhci, &xhci->ir_set->erst_base); + xhci->s3.erst_dequeue = xhci_read_64(xhci, &xhci->ir_set->erst_dequeue); xhci->s3.irq_pending = readl(&xhci->ir_set->irq_pending); xhci->s3.irq_control = readl(&xhci->ir_set->irq_control); } @@ -769,11 +769,11 @@ static void xhci_restore_registers(struct xhci_hcd *xhci) { writel(xhci->s3.command, &xhci->op_regs->command); writel(xhci->s3.dev_nt, &xhci->op_regs->dev_notification); - writeq(xhci->s3.dcbaa_ptr, &xhci->op_regs->dcbaa_ptr); + xhci_write_64(xhci, xhci->s3.dcbaa_ptr, &xhci->op_regs->dcbaa_ptr); writel(xhci->s3.config_reg, &xhci->op_regs->config_reg); writel(xhci->s3.erst_size, &xhci->ir_set->erst_size); - writeq(xhci->s3.erst_base, &xhci->ir_set->erst_base); - writeq(xhci->s3.erst_dequeue, &xhci->ir_set->erst_dequeue); + xhci_write_64(xhci, xhci->s3.erst_base, &xhci->ir_set->erst_base); + xhci_write_64(xhci, xhci->s3.erst_dequeue, &xhci->ir_set->erst_dequeue); writel(xhci->s3.irq_pending, &xhci->ir_set->irq_pending); writel(xhci->s3.irq_control, &xhci->ir_set->irq_control); } @@ -783,7 +783,7 @@ static void xhci_set_cmd_ring_deq(struct xhci_hcd *xhci) u64 val_64; /* step 2: initialize command ring buffer */ - val_64 = readq(&xhci->op_regs->cmd_ring); + val_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); val_64 = (val_64 & (u64) CMD_RING_RSVD_BITS) | (xhci_trb_virt_to_dma(xhci->cmd_ring->deq_seg, xhci->cmd_ring->dequeue) & @@ -792,7 +792,7 @@ static void xhci_set_cmd_ring_deq(struct xhci_hcd *xhci) xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Setting command ring address to 0x%llx", (long unsigned long) val_64); - writeq(val_64, &xhci->op_regs->cmd_ring); + xhci_write_64(xhci, val_64, &xhci->op_regs->cmd_ring); } /* @@ -3842,7 +3842,7 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, if (ret) { return ret; } - temp_64 = readq(&xhci->op_regs->dcbaa_ptr); + temp_64 = xhci_read_64(xhci, &xhci->op_regs->dcbaa_ptr); xhci_dbg_trace(xhci, trace_xhci_dbg_address, "Op regs DCBAA ptr = %#016llx", temp_64); xhci_dbg_trace(xhci, trace_xhci_dbg_address, @@ -4730,11 +4730,8 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) struct device *dev = hcd->self.controller; int retval; - /* Limit the block layer scatter-gather lists to half a segment. */ - hcd->self.sg_tablesize = TRBS_PER_SEGMENT / 2; - - /* support to build packet from discontinuous buffers */ - hcd->self.no_sg_constraint = 1; + /* Accept arbitrarily long scatter-gather lists */ + hcd->self.sg_tablesize = ~0; /* XHCI controllers don't stop the ep queue on short packets :| */ hcd->self.no_stop_on_short = 1; @@ -4760,6 +4757,14 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) /* xHCI private pointer was set in xhci_pci_probe for the second * registered roothub. */ + xhci = hcd_to_xhci(hcd); + /* + * Support arbitrarily aligned sg-list entries on hosts without + * TD fragment rules (which are currently unsupported). + */ + if (xhci->hci_version < 0x100) + hcd->self.no_sg_constraint = 1; + return 0; } @@ -4788,6 +4793,9 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) if (xhci->hci_version > 0x96) xhci->quirks |= XHCI_SPURIOUS_SUCCESS; + if (xhci->hci_version < 0x100) + hcd->self.no_sg_constraint = 1; + /* Make sure the HC is halted. */ retval = xhci_halt(xhci); if (retval) diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index f8416639bf3..58ed9d088e6 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -28,17 +28,6 @@ #include <linux/kernel.h> #include <linux/usb/hcd.h> -/* - * Registers should always be accessed with double word or quad word accesses. - * - * Some xHCI implementations may support 64-bit address pointers. Registers - * with 64-bit address pointers should be written to with dword accesses by - * writing the low dword first (ptr[0]), then the high dword (ptr[1]) second. - * xHCI implementations that do not support 64-bit address pointers will ignore - * the high dword, and write order is irrelevant. - */ -#include <asm-generic/io-64-nonatomic-lo-hi.h> - /* Code sharing between pci-quirks and xhci hcd */ #include "xhci-ext-caps.h" #include "pci-quirks.h" @@ -1279,7 +1268,7 @@ union xhci_trb { * since the command ring is 64-byte aligned. * It must also be greater than 16. */ -#define TRBS_PER_SEGMENT 256 +#define TRBS_PER_SEGMENT 64 /* Allow two commands + a link TRB, along with any reserved command TRBs */ #define MAX_RSVD_CMD_TRBS (TRBS_PER_SEGMENT - 3) #define TRB_SEGMENT_SIZE (TRBS_PER_SEGMENT*16) @@ -1614,6 +1603,34 @@ static inline struct usb_hcd *xhci_to_hcd(struct xhci_hcd *xhci) #define xhci_warn_ratelimited(xhci, fmt, args...) \ dev_warn_ratelimited(xhci_to_hcd(xhci)->self.controller , fmt , ## args) +/* + * Registers should always be accessed with double word or quad word accesses. + * + * Some xHCI implementations may support 64-bit address pointers. Registers + * with 64-bit address pointers should be written to with dword accesses by + * writing the low dword first (ptr[0]), then the high dword (ptr[1]) second. + * xHCI implementations that do not support 64-bit address pointers will ignore + * the high dword, and write order is irrelevant. + */ +static inline u64 xhci_read_64(const struct xhci_hcd *xhci, + __le64 __iomem *regs) +{ + __u32 __iomem *ptr = (__u32 __iomem *) regs; + u64 val_lo = readl(ptr); + u64 val_hi = readl(ptr + 1); + return val_lo + (val_hi << 32); +} +static inline void xhci_write_64(struct xhci_hcd *xhci, + const u64 val, __le64 __iomem *regs) +{ + __u32 __iomem *ptr = (__u32 __iomem *) regs; + u32 val_lo = lower_32_bits(val); + u32 val_hi = upper_32_bits(val); + + writel(val_lo, ptr); + writel(val_hi, ptr + 1); +} + static inline int xhci_link_trb_quirk(struct xhci_hcd *xhci) { return xhci->quirks & XHCI_LINK_TRB_QUIRK; diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index fc192ad9cc6..239ad0b1ceb 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -477,8 +477,11 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, musb->port1_status |= (USB_PORT_STAT_C_SUSPEND << 16) | MUSB_PORT_STAT_RESUME; + musb->rh_timer = jiffies + + msecs_to_jiffies(20); schedule_delayed_work( - &musb->finish_resume_work, 20); + &musb->finish_resume_work, + msecs_to_jiffies(20)); musb->xceiv->state = OTG_STATE_A_HOST; musb->is_active = 1; @@ -2157,11 +2160,19 @@ static void musb_restore_context(struct musb *musb) void __iomem *musb_base = musb->mregs; void __iomem *ep_target_regs; void __iomem *epio; + u8 power; musb_writew(musb_base, MUSB_FRAME, musb->context.frame); musb_writeb(musb_base, MUSB_TESTMODE, musb->context.testmode); musb_write_ulpi_buscontrol(musb->mregs, musb->context.busctl); - musb_writeb(musb_base, MUSB_POWER, musb->context.power); + + /* Don't affect SUSPENDM/RESUME bits in POWER reg */ + power = musb_readb(musb_base, MUSB_POWER); + power &= MUSB_POWER_SUSPENDM | MUSB_POWER_RESUME; + musb->context.power &= ~(MUSB_POWER_SUSPENDM | MUSB_POWER_RESUME); + power |= musb->context.power; + musb_writeb(musb_base, MUSB_POWER, power); + musb_writew(musb_base, MUSB_INTRTXE, musb->intrtxe); musb_writew(musb_base, MUSB_INTRRXE, musb->intrrxe); musb_writeb(musb_base, MUSB_INTRUSBE, musb->context.intrusbe); diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index ed455724017..abb38c3833e 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -1183,6 +1183,9 @@ irqreturn_t musb_h_ep0_irq(struct musb *musb) csr = MUSB_CSR0_H_STATUSPKT | MUSB_CSR0_TXPKTRDY; + /* disable ping token in status phase */ + csr |= MUSB_CSR0_H_DIS_PING; + /* flag status stage */ musb->ep0_stage = MUSB_EP0_STATUS; diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index eb634433ef0..e2d2d8c9891 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -135,7 +135,8 @@ void musb_port_suspend(struct musb *musb, bool do_suspend) /* later, GetPortStatus will stop RESUME signaling */ musb->port1_status |= MUSB_PORT_STAT_RESUME; - schedule_delayed_work(&musb->finish_resume_work, 20); + schedule_delayed_work(&musb->finish_resume_work, + msecs_to_jiffies(20)); } } @@ -158,7 +159,6 @@ void musb_port_reset(struct musb *musb, bool do_reset) */ power = musb_readb(mbase, MUSB_POWER); if (do_reset) { - /* * If RESUME is set, we must make sure it stays minimum 20 ms. * Then we must clear RESUME and wait a bit to let musb start @@ -167,11 +167,22 @@ void musb_port_reset(struct musb *musb, bool do_reset) * detected". */ if (power & MUSB_POWER_RESUME) { - while (time_before(jiffies, musb->rh_timer)) - msleep(1); + long remain = (unsigned long) musb->rh_timer - jiffies; + + if (musb->rh_timer > 0 && remain > 0) { + /* take into account the minimum delay after resume */ + schedule_delayed_work( + &musb->deassert_reset_work, remain); + return; + } + musb_writeb(mbase, MUSB_POWER, - power & ~MUSB_POWER_RESUME); - msleep(1); + power & ~MUSB_POWER_RESUME); + + /* Give the core 1 ms to clear MUSB_POWER_RESUME */ + schedule_delayed_work(&musb->deassert_reset_work, + msecs_to_jiffies(1)); + return; } power &= 0xf0; @@ -180,7 +191,8 @@ void musb_port_reset(struct musb *musb, bool do_reset) musb->port1_status |= USB_PORT_STAT_RESET; musb->port1_status &= ~USB_PORT_STAT_ENABLE; - schedule_delayed_work(&musb->deassert_reset_work, 50); + schedule_delayed_work(&musb->deassert_reset_work, + msecs_to_jiffies(50)); } else { dev_dbg(musb->controller, "root port reset stopped\n"); musb_writeb(mbase, MUSB_POWER, diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 2a408cdaf7b..8aa59a2c5eb 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -659,7 +659,6 @@ static int omap2430_runtime_suspend(struct device *dev) OTG_INTERFSEL); omap2430_low_level_exit(musb); - phy_power_off(musb->phy); } return 0; @@ -674,7 +673,6 @@ static int omap2430_runtime_resume(struct device *dev) omap2430_low_level_init(musb); musb_writel(musb->mregs, OTG_INTERFSEL, musb->context.otg_interfsel); - phy_power_on(musb->phy); } return 0; diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c index 8546c8dccd5..d204f745ed0 100644 --- a/drivers/usb/phy/phy-msm-usb.c +++ b/drivers/usb/phy/phy-msm-usb.c @@ -159,32 +159,6 @@ put_3p3: return rc; } -#ifdef CONFIG_PM_SLEEP -#define USB_PHY_SUSP_DIG_VOL 500000 -static int msm_hsusb_config_vddcx(int high) -{ - int max_vol = USB_PHY_VDD_DIG_VOL_MAX; - int min_vol; - int ret; - - if (high) - min_vol = USB_PHY_VDD_DIG_VOL_MIN; - else - min_vol = USB_PHY_SUSP_DIG_VOL; - - ret = regulator_set_voltage(hsusb_vddcx, min_vol, max_vol); - if (ret) { - pr_err("%s: unable to set the voltage for regulator " - "HSUSB_VDDCX\n", __func__); - return ret; - } - - pr_debug("%s: min_vol:%d max_vol:%d\n", __func__, min_vol, max_vol); - - return ret; -} -#endif - static int msm_hsusb_ldo_set_mode(int on) { int ret = 0; @@ -440,7 +414,32 @@ static int msm_otg_reset(struct usb_phy *phy) #define PHY_SUSPEND_TIMEOUT_USEC (500 * 1000) #define PHY_RESUME_TIMEOUT_USEC (100 * 1000) -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM + +#define USB_PHY_SUSP_DIG_VOL 500000 +static int msm_hsusb_config_vddcx(int high) +{ + int max_vol = USB_PHY_VDD_DIG_VOL_MAX; + int min_vol; + int ret; + + if (high) + min_vol = USB_PHY_VDD_DIG_VOL_MIN; + else + min_vol = USB_PHY_SUSP_DIG_VOL; + + ret = regulator_set_voltage(hsusb_vddcx, min_vol, max_vol); + if (ret) { + pr_err("%s: unable to set the voltage for regulator " + "HSUSB_VDDCX\n", __func__); + return ret; + } + + pr_debug("%s: min_vol:%d max_vol:%d\n", __func__, min_vol, max_vol); + + return ret; +} + static int msm_otg_suspend(struct msm_otg *motg) { struct usb_phy *phy = &motg->phy; @@ -1733,22 +1732,18 @@ static int msm_otg_pm_resume(struct device *dev) } #endif -#ifdef CONFIG_PM static const struct dev_pm_ops msm_otg_dev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(msm_otg_pm_suspend, msm_otg_pm_resume) SET_RUNTIME_PM_OPS(msm_otg_runtime_suspend, msm_otg_runtime_resume, msm_otg_runtime_idle) }; -#endif static struct platform_driver msm_otg_driver = { .remove = msm_otg_remove, .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, -#ifdef CONFIG_PM .pm = &msm_otg_dev_pm_ops, -#endif }, }; diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c index e6f61e4361d..8afa813d690 100644 --- a/drivers/usb/phy/phy.c +++ b/drivers/usb/phy/phy.c @@ -130,7 +130,7 @@ struct usb_phy *usb_get_phy(enum usb_phy_type type) phy = __usb_find_phy(&phy_list, type); if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) { - pr_err("unable to find transceiver of type %s\n", + pr_debug("PHY: unable to find transceiver of type %s\n", usb_phy_type_string(type)); goto err0; } @@ -228,7 +228,7 @@ struct usb_phy *usb_get_phy_dev(struct device *dev, u8 index) phy = __usb_find_phy_dev(dev, &phy_bind_list, index); if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) { - pr_err("unable to find transceiver\n"); + dev_dbg(dev, "unable to find transceiver\n"); goto err0; } @@ -424,10 +424,8 @@ int usb_bind_phy(const char *dev_name, u8 index, unsigned long flags; phy_bind = kzalloc(sizeof(*phy_bind), GFP_KERNEL); - if (!phy_bind) { - pr_err("phy_bind(): No memory for phy_bind"); + if (!phy_bind) return -ENOMEM; - } phy_bind->dev_name = dev_name; phy_bind->phy_dev_name = phy_dev_name; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index ce0d7b0db01..ee1f00f03c4 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -152,6 +152,7 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_EV3CON_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) }, @@ -191,6 +192,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, + { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_LP101_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_TAGSYS_P200X_PID) }, { USB_DEVICE(FTDI_VID, FTDI_LENZ_LIUSB_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index a7019d1e305..1e2d369df86 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -50,6 +50,7 @@ #define TI_XDS100V2_PID 0xa6d0 #define FTDI_NXTCAM_PID 0xABB8 /* NXTCam for Mindstorms NXT */ +#define FTDI_EV3CON_PID 0xABB9 /* Mindstorms EV3 Console Adapter */ /* US Interface Navigator (http://www.usinterface.com/) */ #define FTDI_USINT_CAT_PID 0xb810 /* Navigator CAT and 2nd PTT lines */ @@ -363,6 +364,12 @@ /* Sprog II (Andrew Crosland's SprogII DCC interface) */ #define FTDI_SPROG_II 0xF0C8 +/* + * Two of the Tagsys RFID Readers + */ +#define FTDI_TAGSYS_LP101_PID 0xF0E9 /* Tagsys L-P101 RFID*/ +#define FTDI_TAGSYS_P200X_PID 0xF0EE /* Tagsys Medio P200x RFID*/ + /* an infrared receiver for user access control with IR tags */ #define FTDI_PIEGROUP_PID 0xF208 /* Product Id */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 5c86f57e4af..68fc9fe6593 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1362,7 +1362,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1267, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1268, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1269, 0xff, 0xff, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1270, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1270, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&net_intf5_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1271, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1272, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1273, 0xff, 0xff, 0xff) }, @@ -1525,7 +1526,8 @@ static const struct usb_device_id option_ids[] = { /* Cinterion */ { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_E) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_P) }, - { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8) }, + { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index c65437cfd4a..968a40201e5 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -139,6 +139,9 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 0)}, /* Sierra Wireless EM7700 Device Management */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 2)}, /* Sierra Wireless EM7700 NMEA */ {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x901c, 3)}, /* Sierra Wireless EM7700 Modem */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 0)}, /* Netgear AirCard 340U Device Management */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 2)}, /* Netgear AirCard 340U NMEA */ + {USB_DEVICE_INTERFACE_NUMBER(0x1199, 0x9051, 3)}, /* Netgear AirCard 340U Modem */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c index f112b079ddf..fb79775447b 100644 --- a/drivers/usb/serial/usb-serial-simple.c +++ b/drivers/usb/serial/usb-serial-simple.c @@ -71,7 +71,8 @@ DEVICE(hp4x, HP4X_IDS); /* Suunto ANT+ USB Driver */ #define SUUNTO_IDS() \ - { USB_DEVICE(0x0fcf, 0x1008) } + { USB_DEVICE(0x0fcf, 0x1008) }, \ + { USB_DEVICE(0x0fcf, 0x1009) } /* Dynastream ANT USB-m Stick */ DEVICE(suunto, SUUNTO_IDS); /* Siemens USB/MPI adapter */ diff --git a/drivers/usb/storage/Kconfig b/drivers/usb/storage/Kconfig index 8470e1b114f..1dd0604d191 100644 --- a/drivers/usb/storage/Kconfig +++ b/drivers/usb/storage/Kconfig @@ -18,7 +18,9 @@ config USB_STORAGE This option depends on 'SCSI' support being enabled, but you probably also need 'SCSI device support: SCSI disk support' - (BLK_DEV_SD) for most USB storage devices. + (BLK_DEV_SD) for most USB storage devices. Some devices also + will require 'Probe all LUNs on each SCSI device' + (SCSI_MULTI_LUN). To compile this driver as a module, choose M here: the module will be called usb-storage. diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 18509e6c21a..9d38ddc8da4 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -78,6 +78,8 @@ static const char* host_info(struct Scsi_Host *host) static int slave_alloc (struct scsi_device *sdev) { + struct us_data *us = host_to_us(sdev->host); + /* * Set the INQUIRY transfer length to 36. We don't use any of * the extra data and many devices choke if asked for more or @@ -102,6 +104,10 @@ static int slave_alloc (struct scsi_device *sdev) */ blk_queue_update_dma_alignment(sdev->request_queue, (512 - 1)); + /* Tell the SCSI layer if we know there is more than one LUN */ + if (us->protocol == USB_PR_BULK && us->max_lun > 0) + sdev->sdev_bflags |= BLIST_FORCELUN; + return 0; } diff --git a/drivers/usb/storage/unusual_cypress.h b/drivers/usb/storage/unusual_cypress.h index 65a6a75066a..82e8ed0324e 100644 --- a/drivers/usb/storage/unusual_cypress.h +++ b/drivers/usb/storage/unusual_cypress.h @@ -31,7 +31,7 @@ UNUSUAL_DEV( 0x04b4, 0x6831, 0x0000, 0x9999, "Cypress ISD-300LP", USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0), -UNUSUAL_DEV( 0x14cd, 0x6116, 0x0000, 0x0219, +UNUSUAL_DEV( 0x14cd, 0x6116, 0x0160, 0x0160, "Super Top", "USB 2.0 SATA BRIDGE", USB_SC_CYP_ATACB, USB_PR_DEVICE, NULL, 0), diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index ad06255c2ad..adbeb255616 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1455,6 +1455,13 @@ UNUSUAL_DEV( 0x0f88, 0x042e, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY ), +/* Reported by Moritz Moeller-Herrmann <moritz-kernel@moeller-herrmann.de> */ +UNUSUAL_DEV( 0x0fca, 0x8004, 0x0201, 0x0201, + "Research In Motion", + "BlackBerry Bold 9000", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64 ), + /* Reported by Michael Stattmann <michael@stattmann.com> */ UNUSUAL_DEV( 0x0fce, 0xd008, 0x0000, 0x0000, "Sony Ericsson", diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 9a68409580d..a0fa5de210c 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -70,7 +70,12 @@ enum { }; struct vhost_net_ubuf_ref { - struct kref kref; + /* refcount follows semantics similar to kref: + * 0: object is released + * 1: no outstanding ubufs + * >1: outstanding ubufs + */ + atomic_t refcount; wait_queue_head_t wait; struct vhost_virtqueue *vq; }; @@ -116,14 +121,6 @@ static void vhost_net_enable_zcopy(int vq) vhost_net_zcopy_mask |= 0x1 << vq; } -static void vhost_net_zerocopy_done_signal(struct kref *kref) -{ - struct vhost_net_ubuf_ref *ubufs; - - ubufs = container_of(kref, struct vhost_net_ubuf_ref, kref); - wake_up(&ubufs->wait); -} - static struct vhost_net_ubuf_ref * vhost_net_ubuf_alloc(struct vhost_virtqueue *vq, bool zcopy) { @@ -134,21 +131,24 @@ vhost_net_ubuf_alloc(struct vhost_virtqueue *vq, bool zcopy) ubufs = kmalloc(sizeof(*ubufs), GFP_KERNEL); if (!ubufs) return ERR_PTR(-ENOMEM); - kref_init(&ubufs->kref); + atomic_set(&ubufs->refcount, 1); init_waitqueue_head(&ubufs->wait); ubufs->vq = vq; return ubufs; } -static void vhost_net_ubuf_put(struct vhost_net_ubuf_ref *ubufs) +static int vhost_net_ubuf_put(struct vhost_net_ubuf_ref *ubufs) { - kref_put(&ubufs->kref, vhost_net_zerocopy_done_signal); + int r = atomic_sub_return(1, &ubufs->refcount); + if (unlikely(!r)) + wake_up(&ubufs->wait); + return r; } static void vhost_net_ubuf_put_and_wait(struct vhost_net_ubuf_ref *ubufs) { - kref_put(&ubufs->kref, vhost_net_zerocopy_done_signal); - wait_event(ubufs->wait, !atomic_read(&ubufs->kref.refcount)); + vhost_net_ubuf_put(ubufs); + wait_event(ubufs->wait, !atomic_read(&ubufs->refcount)); } static void vhost_net_ubuf_put_wait_and_free(struct vhost_net_ubuf_ref *ubufs) @@ -306,23 +306,26 @@ static void vhost_zerocopy_callback(struct ubuf_info *ubuf, bool success) { struct vhost_net_ubuf_ref *ubufs = ubuf->ctx; struct vhost_virtqueue *vq = ubufs->vq; - int cnt = atomic_read(&ubufs->kref.refcount); + int cnt; + + rcu_read_lock_bh(); /* set len to mark this desc buffers done DMA */ vq->heads[ubuf->desc].len = success ? VHOST_DMA_DONE_LEN : VHOST_DMA_FAILED_LEN; - vhost_net_ubuf_put(ubufs); + cnt = vhost_net_ubuf_put(ubufs); /* * Trigger polling thread if guest stopped submitting new buffers: - * in this case, the refcount after decrement will eventually reach 1 - * so here it is 2. + * in this case, the refcount after decrement will eventually reach 1. * We also trigger polling periodically after each 16 packets * (the value 16 here is more or less arbitrary, it's tuned to trigger * less than 10% of times). */ - if (cnt <= 2 || !(cnt % 16)) + if (cnt <= 1 || !(cnt % 16)) vhost_poll_queue(&vq->poll); + + rcu_read_unlock_bh(); } /* Expects to be always run from workqueue - which acts as @@ -420,7 +423,7 @@ static void handle_tx(struct vhost_net *net) msg.msg_control = ubuf; msg.msg_controllen = sizeof(ubuf); ubufs = nvq->ubufs; - kref_get(&ubufs->kref); + atomic_inc(&ubufs->refcount); nvq->upend_idx = (nvq->upend_idx + 1) % UIO_MAXIOV; } else { msg.msg_control = NULL; @@ -780,7 +783,7 @@ static void vhost_net_flush(struct vhost_net *n) vhost_net_ubuf_put_and_wait(n->vqs[VHOST_NET_VQ_TX].ubufs); mutex_lock(&n->vqs[VHOST_NET_VQ_TX].vq.mutex); n->tx_flush = false; - kref_init(&n->vqs[VHOST_NET_VQ_TX].ubufs->kref); + atomic_set(&n->vqs[VHOST_NET_VQ_TX].ubufs->refcount, 1); mutex_unlock(&n->vqs[VHOST_NET_VQ_TX].vq.mutex); } } @@ -800,6 +803,8 @@ static int vhost_net_release(struct inode *inode, struct file *f) fput(tx_sock->file); if (rx_sock) fput(rx_sock->file); + /* Make sure no callbacks are outstanding */ + synchronize_rcu_bh(); /* We do an extra flush before freeing memory, * since jobs can re-queue themselves. */ vhost_net_flush(n); diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 78e2fc7a484..7d4e33cba6e 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -364,7 +364,7 @@ config FB_SA1100 config FB_IMX tristate "Freescale i.MX1/21/25/27 LCD support" - depends on FB && IMX_HAVE_PLATFORM_IMX_FB + depends on FB && ARCH_MXC select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT diff --git a/drivers/video/exynos/Kconfig b/drivers/video/exynos/Kconfig index 976594d578a..eb6f2b05982 100644 --- a/drivers/video/exynos/Kconfig +++ b/drivers/video/exynos/Kconfig @@ -22,7 +22,8 @@ config EXYNOS_MIPI_DSI config EXYNOS_LCD_S6E8AX0 bool "S6E8AX0 MIPI AMOLED LCD Driver" - depends on (EXYNOS_MIPI_DSI && BACKLIGHT_CLASS_DEVICE && LCD_CLASS_DEVICE) + depends on EXYNOS_MIPI_DSI && BACKLIGHT_CLASS_DEVICE + depends on (LCD_CLASS_DEVICE = y) default n help If you have an S6E8AX0 MIPI AMOLED LCD Panel, say Y to enable its diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c index 27f33ef8fca..5ee3b5505f7 100644 --- a/drivers/video/omap2/displays-new/connector-analog-tv.c +++ b/drivers/video/omap2/displays-new/connector-analog-tv.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -42,6 +43,12 @@ static const struct omap_video_timings tvc_pal_timings = { .interlace = true, }; +static const struct of_device_id tvc_of_match[]; + +struct tvc_of_data { + enum omap_dss_venc_type connector_type; +}; + #define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev) static int tvc_connect(struct omap_dss_device *dssdev) @@ -91,8 +98,12 @@ static int tvc_enable(struct omap_dss_device *dssdev) in->ops.atv->set_timings(in, &ddata->timings); - in->ops.atv->set_type(in, ddata->connector_type); - in->ops.atv->invert_vid_out_polarity(in, ddata->invert_polarity); + if (!ddata->dev->of_node) { + in->ops.atv->set_type(in, ddata->connector_type); + + in->ops.atv->invert_vid_out_polarity(in, + ddata->invert_polarity); + } r = in->ops.atv->enable(in); if (r) @@ -205,6 +216,23 @@ static int tvc_probe_pdata(struct platform_device *pdev) return 0; } +static int tvc_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + return 0; +} + static int tvc_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -222,6 +250,10 @@ static int tvc_probe(struct platform_device *pdev) r = tvc_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = tvc_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -263,12 +295,19 @@ static int __exit tvc_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id tvc_of_match[] = { + { .compatible = "omapdss,svideo-connector", }, + { .compatible = "omapdss,composite-video-connector", }, + {}, +}; + static struct platform_driver tvc_connector_driver = { .probe = tvc_probe, .remove = __exit_p(tvc_remove), .driver = { .name = "connector-analog-tv", .owner = THIS_MODULE, + .of_match_table = tvc_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/connector-dvi.c b/drivers/video/omap2/displays-new/connector-dvi.c index d18e4b8c073..74de2bc50c4 100644 --- a/drivers/video/omap2/displays-new/connector-dvi.c +++ b/drivers/video/omap2/displays-new/connector-dvi.c @@ -277,6 +277,37 @@ static int dvic_probe_pdata(struct platform_device *pdev) return 0; } +static int dvic_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + struct device_node *adapter_node; + struct i2c_adapter *adapter; + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0); + if (adapter_node) { + adapter = of_find_i2c_adapter_by_node(adapter_node); + if (adapter == NULL) { + dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n"); + omap_dss_put_device(ddata->in); + return -EPROBE_DEFER; + } + + ddata->i2c_adapter = adapter; + } + + return 0; +} + static int dvic_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -293,6 +324,10 @@ static int dvic_probe(struct platform_device *pdev) r = dvic_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = dvic_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -342,12 +377,20 @@ static int __exit dvic_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id dvic_of_match[] = { + { .compatible = "omapdss,dvi-connector", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, dvic_of_match); + static struct platform_driver dvi_connector_driver = { .probe = dvic_probe, .remove = __exit_p(dvic_remove), .driver = { .name = "connector-dvi", .owner = THIS_MODULE, + .of_match_table = dvic_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/connector-hdmi.c b/drivers/video/omap2/displays-new/connector-hdmi.c index 9393e2d6473..29ed21b9dce 100644 --- a/drivers/video/omap2/displays-new/connector-hdmi.c +++ b/drivers/video/omap2/displays-new/connector-hdmi.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <drm/drm_edid.h> @@ -301,6 +302,23 @@ static int hdmic_probe_pdata(struct platform_device *pdev) return 0; } +static int hdmic_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + return 0; +} + static int hdmic_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -318,6 +336,10 @@ static int hdmic_probe(struct platform_device *pdev) r = hdmic_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = hdmic_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -359,12 +381,20 @@ static int __exit hdmic_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id hdmic_of_match[] = { + { .compatible = "omapdss,hdmi-connector", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, hdmic_of_match); + static struct platform_driver hdmi_connector_driver = { .probe = hdmic_probe, .remove = __exit_p(hdmic_remove), .driver = { .name = "connector-hdmi", .owner = THIS_MODULE, + .of_match_table = hdmic_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/encoder-tfp410.c b/drivers/video/omap2/displays-new/encoder-tfp410.c index 4a291e756be..b4e9a42a79e 100644 --- a/drivers/video/omap2/displays-new/encoder-tfp410.c +++ b/drivers/video/omap2/displays-new/encoder-tfp410.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -82,7 +83,8 @@ static int tfp410_enable(struct omap_dss_device *dssdev) return 0; in->ops.dpi->set_timings(in, &ddata->timings); - in->ops.dpi->set_data_lines(in, ddata->data_lines); + if (ddata->data_lines) + in->ops.dpi->set_data_lines(in, ddata->data_lines); r = in->ops.dpi->enable(in); if (r) @@ -179,6 +181,33 @@ static int tfp410_probe_pdata(struct platform_device *pdev) return 0; } +static int tfp410_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + int gpio; + + gpio = of_get_named_gpio(node, "powerdown-gpios", 0); + + if (gpio_is_valid(gpio) || gpio == -ENOENT) { + ddata->pd_gpio = gpio; + } else { + dev_err(&pdev->dev, "failed to parse PD gpio\n"); + return gpio; + } + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + return 0; +} + static int tfp410_probe(struct platform_device *pdev) { struct panel_drv_data *ddata; @@ -195,6 +224,10 @@ static int tfp410_probe(struct platform_device *pdev) r = tfp410_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = tfp410_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -251,12 +284,20 @@ static int __exit tfp410_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id tfp410_of_match[] = { + { .compatible = "omapdss,ti,tfp410", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, tfp410_of_match); + static struct platform_driver tfp410_driver = { .probe = tfp410_probe, .remove = __exit_p(tfp410_remove), .driver = { .name = "tfp410", .owner = THIS_MODULE, + .of_match_table = tfp410_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/encoder-tpd12s015.c b/drivers/video/omap2/displays-new/encoder-tpd12s015.c index d5c936cb217..7e33686171e 100644 --- a/drivers/video/omap2/displays-new/encoder-tpd12s015.c +++ b/drivers/video/omap2/displays-new/encoder-tpd12s015.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/gpio.h> #include <linux/platform_device.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -289,6 +290,49 @@ static int tpd_probe_pdata(struct platform_device *pdev) return 0; } +static int tpd_probe_of(struct platform_device *pdev) +{ + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct device_node *node = pdev->dev.of_node; + struct omap_dss_device *in; + int gpio; + + /* CT CP HPD GPIO */ + gpio = of_get_gpio(node, 0); + if (!gpio_is_valid(gpio)) { + dev_err(&pdev->dev, "failed to parse CT CP HPD gpio\n"); + return gpio; + } + ddata->ct_cp_hpd_gpio = gpio; + + /* LS OE GPIO */ + gpio = of_get_gpio(node, 1); + if (gpio_is_valid(gpio) || gpio == -ENOENT) { + ddata->ls_oe_gpio = gpio; + } else { + dev_err(&pdev->dev, "failed to parse LS OE gpio\n"); + return gpio; + } + + /* HPD GPIO */ + gpio = of_get_gpio(node, 2); + if (!gpio_is_valid(gpio)) { + dev_err(&pdev->dev, "failed to parse HPD gpio\n"); + return gpio; + } + ddata->hpd_gpio = gpio; + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + return 0; +} + static int tpd_probe(struct platform_device *pdev) { struct omap_dss_device *in, *dssdev; @@ -307,6 +351,10 @@ static int tpd_probe(struct platform_device *pdev) r = tpd_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = tpd_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -379,12 +427,20 @@ static int __exit tpd_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id tpd_of_match[] = { + { .compatible = "omapdss,ti,tpd12s015", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, tpd_of_match); + static struct platform_driver tpd_driver = { .probe = tpd_probe, .remove = __exit_p(tpd_remove), .driver = { .name = "tpd12s015", .owner = THIS_MODULE, + .of_match_table = tpd_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/panel-dsi-cm.c b/drivers/video/omap2/displays-new/panel-dsi-cm.c index f317c878a25..d6f14e8717e 100644 --- a/drivers/video/omap2/displays-new/panel-dsi-cm.c +++ b/drivers/video/omap2/displays-new/panel-dsi-cm.c @@ -22,6 +22,8 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/workqueue.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -595,10 +597,13 @@ static int dsicm_power_on(struct panel_drv_data *ddata) .lp_clk_max = 10000000, }; - r = in->ops.dsi->configure_pins(in, &ddata->pin_config); - if (r) { - dev_err(&ddata->pdev->dev, "failed to configure DSI pins\n"); - goto err0; + if (ddata->pin_config.num_pins > 0) { + r = in->ops.dsi->configure_pins(in, &ddata->pin_config); + if (r) { + dev_err(&ddata->pdev->dev, + "failed to configure DSI pins\n"); + goto err0; + } } r = in->ops.dsi->set_config(in, &dsi_config); @@ -1156,6 +1161,41 @@ static int dsicm_probe_pdata(struct platform_device *pdev) return 0; } +static int dsicm_probe_of(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct panel_drv_data *ddata = platform_get_drvdata(pdev); + struct omap_dss_device *in; + int gpio; + + gpio = of_get_named_gpio(node, "reset-gpios", 0); + if (!gpio_is_valid(gpio)) { + dev_err(&pdev->dev, "failed to parse reset gpio\n"); + return gpio; + } + ddata->reset_gpio = gpio; + + gpio = of_get_named_gpio(node, "te-gpios", 0); + if (gpio_is_valid(gpio) || gpio == -ENOENT) { + ddata->ext_te_gpio = gpio; + } else { + dev_err(&pdev->dev, "failed to parse TE gpio\n"); + return gpio; + } + + in = omapdss_of_find_source_for_first_ep(node); + if (IS_ERR(in)) { + dev_err(&pdev->dev, "failed to find video source\n"); + return PTR_ERR(in); + } + + ddata->in = in; + + /* TODO: ulps, backlight */ + + return 0; +} + static int dsicm_probe(struct platform_device *pdev) { struct backlight_properties props; @@ -1178,6 +1218,10 @@ static int dsicm_probe(struct platform_device *pdev) r = dsicm_probe_pdata(pdev); if (r) return r; + } else if (pdev->dev.of_node) { + r = dsicm_probe_of(pdev); + if (r) + return r; } else { return -ENODEV; } @@ -1320,12 +1364,20 @@ static int __exit dsicm_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id dsicm_of_match[] = { + { .compatible = "omapdss,panel-dsi-cm", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, dsicm_of_match); + static struct platform_driver dsicm_driver = { .probe = dsicm_probe, .remove = __exit_p(dsicm_remove), .driver = { .name = "panel-dsi-cm", .owner = THIS_MODULE, + .of_match_table = dsicm_of_match, }, }; diff --git a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c index 27f60ad6b2a..c7ba4d8b928 100644 --- a/drivers/video/omap2/displays-new/panel-sony-acx565akm.c +++ b/drivers/video/omap2/displays-new/panel-sony-acx565akm.c @@ -30,6 +30,8 @@ #include <linux/backlight.h> #include <linux/fb.h> #include <linux/gpio.h> +#include <linux/of.h> +#include <linux/of_gpio.h> #include <video/omapdss.h> #include <video/omap-panel-data.h> @@ -547,7 +549,9 @@ static int acx565akm_panel_power_on(struct omap_dss_device *dssdev) dev_dbg(&ddata->spi->dev, "%s\n", __func__); in->ops.sdi->set_timings(in, &ddata->videomode); - in->ops.sdi->set_datapairs(in, ddata->datapairs); + + if (ddata->datapairs > 0) + in->ops.sdi->set_datapairs(in, ddata->datapairs); r = in->ops.sdi->enable(in); if (r) { @@ -726,6 +730,22 @@ static int acx565akm_probe_pdata(struct spi_device *spi) return 0; } +static int acx565akm_probe_of(struct spi_device *spi) +{ + struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev); + struct device_node *np = spi->dev.of_node; + + ddata->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0); + + ddata->in = omapdss_of_find_source_for_first_ep(np); + if (IS_ERR(ddata->in)) { + dev_err(&spi->dev, "failed to find video source\n"); + return PTR_ERR(ddata->in); + } + + return 0; +} + static int acx565akm_probe(struct spi_device *spi) { struct panel_drv_data *ddata; @@ -753,7 +773,12 @@ static int acx565akm_probe(struct spi_device *spi) r = acx565akm_probe_pdata(spi); if (r) return r; + } else if (spi->dev.of_node) { + r = acx565akm_probe_of(spi); + if (r) + return r; } else { + dev_err(&spi->dev, "platform data missing!\n"); return -ENODEV; } @@ -864,10 +889,16 @@ static int acx565akm_remove(struct spi_device *spi) return 0; } +static const struct of_device_id acx565akm_of_match[] = { + { .compatible = "omapdss,sony,acx565akm", }, + {}, +}; + static struct spi_driver acx565akm_driver = { .driver = { .name = "acx565akm", .owner = THIS_MODULE, + .of_match_table = acx565akm_of_match, }, .probe = acx565akm_probe, .remove = acx565akm_remove, diff --git a/drivers/video/omap2/dss/Makefile b/drivers/video/omap2/dss/Makefile index d3aa91bdd6a..8aec8bda27c 100644 --- a/drivers/video/omap2/dss/Makefile +++ b/drivers/video/omap2/dss/Makefile @@ -1,7 +1,7 @@ obj-$(CONFIG_OMAP2_DSS) += omapdss.o # Core DSS files omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o display.o \ - output.o + output.o dss-of.o # DSS compat layer files omapdss-y += manager.o manager-sysfs.o overlay.o overlay-sysfs.o apply.o \ dispc-compat.o display-sysfs.o diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index b801be4660e..2bbdb7ff7da 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -2149,8 +2149,8 @@ static int dispc_ovl_calc_scaling_24xx(unsigned long pclk, unsigned long lclk, *five_taps = false; do { - in_height = DIV_ROUND_UP(height, *decim_y); - in_width = DIV_ROUND_UP(width, *decim_x); + in_height = height / *decim_y; + in_width = width / *decim_x; *core_clk = dispc.feat->calc_core_clk(pclk, in_width, in_height, out_width, out_height, mem_to_mem); error = (in_width > maxsinglelinewidth || !*core_clk || @@ -2188,8 +2188,8 @@ static int dispc_ovl_calc_scaling_34xx(unsigned long pclk, unsigned long lclk, dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH); do { - in_height = DIV_ROUND_UP(height, *decim_y); - in_width = DIV_ROUND_UP(width, *decim_x); + in_height = height / *decim_y; + in_width = width / *decim_x; *five_taps = in_height > out_height; if (in_width > maxsinglelinewidth) @@ -2257,7 +2257,7 @@ static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk, { u16 in_width, in_width_max; int decim_x_min = *decim_x; - u16 in_height = DIV_ROUND_UP(height, *decim_y); + u16 in_height = height / *decim_y; const int maxsinglelinewidth = dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH); const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE); @@ -2276,7 +2276,7 @@ static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk, return -EINVAL; do { - in_width = DIV_ROUND_UP(width, *decim_x); + in_width = width / *decim_x; } while (*decim_x <= *x_predecim && in_width > maxsinglelinewidth && ++*decim_x); @@ -2455,8 +2455,8 @@ static int dispc_ovl_setup_common(enum omap_plane plane, if (r) return r; - in_width = DIV_ROUND_UP(in_width, x_predecim); - in_height = DIV_ROUND_UP(in_height, y_predecim); + in_width = in_width / x_predecim; + in_height = in_height / y_predecim; if (color_mode == OMAP_DSS_COLOR_YUV2 || color_mode == OMAP_DSS_COLOR_UYVY || @@ -3778,12 +3778,20 @@ static const struct dev_pm_ops dispc_pm_ops = { .runtime_resume = dispc_runtime_resume, }; +static const struct of_device_id dispc_of_match[] = { + { .compatible = "ti,omap2-dispc", }, + { .compatible = "ti,omap3-dispc", }, + { .compatible = "ti,omap4-dispc", }, + {}, +}; + static struct platform_driver omap_dispchw_driver = { .remove = __exit_p(omap_dispchw_remove), .driver = { .name = "omapdss_dispc", .owner = THIS_MODULE, .pm = &dispc_pm_ops, + .of_match_table = dispc_of_match, }, }; diff --git a/drivers/video/omap2/dss/display.c b/drivers/video/omap2/dss/display.c index 9f19ae22944..2412a0dd0c1 100644 --- a/drivers/video/omap2/dss/display.c +++ b/drivers/video/omap2/dss/display.c @@ -26,6 +26,7 @@ #include <linux/module.h> #include <linux/jiffies.h> #include <linux/platform_device.h> +#include <linux/of.h> #include <video/omapdss.h> #include "dss.h" @@ -133,9 +134,32 @@ static int disp_num_counter; int omapdss_register_display(struct omap_dss_device *dssdev) { struct omap_dss_driver *drv = dssdev->driver; + int id; - snprintf(dssdev->alias, sizeof(dssdev->alias), - "display%d", disp_num_counter++); + /* + * Note: this presumes all the displays are either using DT or non-DT, + * which normally should be the case. This also presumes that all + * displays either have an DT alias, or none has. + */ + + if (dssdev->dev->of_node) { + id = of_alias_get_id(dssdev->dev->of_node, "display"); + + if (id < 0) + id = disp_num_counter++; + } else { + id = disp_num_counter++; + } + + snprintf(dssdev->alias, sizeof(dssdev->alias), "display%d", id); + + /* Use 'label' property for name, if it exists */ + if (dssdev->dev->of_node) + of_property_read_string(dssdev->dev->of_node, "label", + &dssdev->name); + + if (dssdev->name == NULL) + dssdev->name = dssdev->alias; if (drv && drv->get_resolution == NULL) drv->get_resolution = omapdss_default_get_resolution; diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c index d806fd50aa9..157921db447 100644 --- a/drivers/video/omap2/dss/dpi.c +++ b/drivers/video/omap2/dss/dpi.c @@ -30,6 +30,7 @@ #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/string.h> +#include <linux/of.h> #include <video/omapdss.h> @@ -49,6 +50,8 @@ static struct { int data_lines; struct omap_dss_device output; + + bool port_initialized; } dpi; static struct platform_device *dpi_get_dsidev(enum omap_channel channel) @@ -117,7 +120,7 @@ struct dpi_clk_calc_ctx { /* outputs */ struct dsi_clock_info dsi_cinfo; - unsigned long long fck; + unsigned long fck; struct dispc_clock_info dispc_cinfo; }; @@ -725,3 +728,47 @@ void __exit dpi_uninit_platform_driver(void) { platform_driver_unregister(&omap_dpi_driver); } + +int __init dpi_init_port(struct platform_device *pdev, struct device_node *port) +{ + struct device_node *ep; + u32 datalines; + int r; + + ep = omapdss_of_get_next_endpoint(port, NULL); + if (!ep) + return 0; + + r = of_property_read_u32(ep, "data-lines", &datalines); + if (r) { + DSSERR("failed to parse datalines\n"); + goto err_datalines; + } + + dpi.data_lines = datalines; + + of_node_put(ep); + + dpi.pdev = pdev; + + mutex_init(&dpi.lock); + + dpi_init_output(pdev); + + dpi.port_initialized = true; + + return 0; + +err_datalines: + of_node_put(ep); + + return r; +} + +void __exit dpi_uninit_port(void) +{ + if (!dpi.port_initialized) + return; + + dpi_uninit_output(dpi.pdev); +} diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 0d82f731d2f..f3e4e468b49 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -38,6 +38,8 @@ #include <linux/slab.h> #include <linux/debugfs.h> #include <linux/pm_runtime.h> +#include <linux/of.h> +#include <linux/of_platform.h> #include <video/omapdss.h> #include <video/mipi_display.h> @@ -386,6 +388,13 @@ struct dsi_packet_sent_handler_data { struct completion *completion; }; +struct dsi_module_id_data { + u32 address; + int id; +}; + +static const struct of_device_id dsi_of_match[]; + #ifdef DSI_PERF_MEASURE static bool dsi_perf; module_param(dsi_perf, bool, 0644); @@ -1151,7 +1160,10 @@ static int dsi_regulator_init(struct platform_device *dsidev) if (dsi->vdds_dsi_reg != NULL) return 0; - vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "vdds_dsi"); + if (dsi->pdev->dev.of_node) + vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "vdd"); + else + vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "vdds_dsi"); /* DT HACK: try VCXIO to make omapdss work for o4 sdp/panda */ if (IS_ERR(vdds_dsi)) @@ -5370,12 +5382,69 @@ static void dsi_uninit_output(struct platform_device *dsidev) omapdss_unregister_output(out); } +static int dsi_probe_of(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct dsi_data *dsi = dsi_get_dsidrv_data(pdev); + struct property *prop; + u32 lane_arr[10]; + int len, num_pins; + int r, i; + struct device_node *ep; + struct omap_dsi_pin_config pin_cfg; + + ep = omapdss_of_get_first_endpoint(node); + if (!ep) + return 0; + + prop = of_find_property(ep, "lanes", &len); + if (prop == NULL) { + dev_err(&pdev->dev, "failed to find lane data\n"); + r = -EINVAL; + goto err; + } + + num_pins = len / sizeof(u32); + + if (num_pins < 4 || num_pins % 2 != 0 || + num_pins > dsi->num_lanes_supported * 2) { + dev_err(&pdev->dev, "bad number of lanes\n"); + r = -EINVAL; + goto err; + } + + r = of_property_read_u32_array(ep, "lanes", lane_arr, num_pins); + if (r) { + dev_err(&pdev->dev, "failed to read lane data\n"); + goto err; + } + + pin_cfg.num_pins = num_pins; + for (i = 0; i < num_pins; ++i) + pin_cfg.pins[i] = (int)lane_arr[i]; + + r = dsi_configure_pins(&dsi->output, &pin_cfg); + if (r) { + dev_err(&pdev->dev, "failed to configure pins"); + goto err; + } + + of_node_put(ep); + + return 0; + +err: + of_node_put(ep); + return r; +} + /* DSI1 HW IP initialisation */ static int omap_dsihw_probe(struct platform_device *dsidev) { u32 rev; int r, i; struct dsi_data *dsi; + struct resource *dsi_mem; struct resource *res; struct resource temp_res; @@ -5383,7 +5452,6 @@ static int omap_dsihw_probe(struct platform_device *dsidev) if (!dsi) return -ENOMEM; - dsi->module_id = dsidev->id; dsi->pdev = dsidev; dev_set_drvdata(&dsidev->dev, dsi); @@ -5421,6 +5489,8 @@ static int omap_dsihw_probe(struct platform_device *dsidev) res = &temp_res; } + dsi_mem = res; + dsi->proto_base = devm_ioremap(&dsidev->dev, res->start, resource_size(res)); if (!dsi->proto_base) { @@ -5481,6 +5551,31 @@ static int omap_dsihw_probe(struct platform_device *dsidev) return r; } + if (dsidev->dev.of_node) { + const struct of_device_id *match; + const struct dsi_module_id_data *d; + + match = of_match_node(dsi_of_match, dsidev->dev.of_node); + if (!match) { + DSSERR("unsupported DSI module\n"); + return -ENODEV; + } + + d = match->data; + + while (d->address != 0 && d->address != dsi_mem->start) + d++; + + if (d->address == 0) { + DSSERR("unsupported DSI module\n"); + return -ENODEV; + } + + dsi->module_id = d->id; + } else { + dsi->module_id = dsidev->id; + } + /* DSI VCs initialization */ for (i = 0; i < ARRAY_SIZE(dsi->vc); i++) { dsi->vc[i].source = DSI_VC_SOURCE_L4; @@ -5516,6 +5611,19 @@ static int omap_dsihw_probe(struct platform_device *dsidev) dsi_init_output(dsidev); + if (dsidev->dev.of_node) { + r = dsi_probe_of(dsidev); + if (r) { + DSSERR("Invalid DSI DT data\n"); + goto err_probe_of; + } + + r = of_platform_populate(dsidev->dev.of_node, NULL, NULL, + &dsidev->dev); + if (r) + DSSERR("Failed to populate DSI child devices: %d\n", r); + } + dsi_runtime_put(dsidev); if (dsi->module_id == 0) @@ -5529,17 +5637,31 @@ static int omap_dsihw_probe(struct platform_device *dsidev) else if (dsi->module_id == 1) dss_debugfs_create_file("dsi2_irqs", dsi2_dump_irqs); #endif + return 0; +err_probe_of: + dsi_uninit_output(dsidev); + dsi_runtime_put(dsidev); + err_runtime_get: pm_runtime_disable(&dsidev->dev); return r; } +static int dsi_unregister_child(struct device *dev, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + platform_device_unregister(pdev); + return 0; +} + static int __exit omap_dsihw_remove(struct platform_device *dsidev) { struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + device_for_each_child(&dsidev->dev, NULL, dsi_unregister_child); + WARN_ON(dsi->scp_clk_refcount > 0); dsi_uninit_output(dsidev); @@ -5577,6 +5699,23 @@ static const struct dev_pm_ops dsi_pm_ops = { .runtime_resume = dsi_runtime_resume, }; +static const struct dsi_module_id_data dsi_of_data_omap3[] = { + { .address = 0x4804fc00, .id = 0, }, + { }, +}; + +static const struct dsi_module_id_data dsi_of_data_omap4[] = { + { .address = 0x58004000, .id = 0, }, + { .address = 0x58005000, .id = 1, }, + { }, +}; + +static const struct of_device_id dsi_of_match[] = { + { .compatible = "ti,omap3-dsi", .data = dsi_of_data_omap3, }, + { .compatible = "ti,omap4-dsi", .data = dsi_of_data_omap4, }, + {}, +}; + static struct platform_driver omap_dsihw_driver = { .probe = omap_dsihw_probe, .remove = __exit_p(omap_dsihw_remove), @@ -5584,6 +5723,7 @@ static struct platform_driver omap_dsihw_driver = { .name = "omapdss_dsi", .owner = THIS_MODULE, .pm = &dsi_pm_ops, + .of_match_table = dsi_of_match, }, }; diff --git a/drivers/video/omap2/dss/dss-of.c b/drivers/video/omap2/dss/dss-of.c new file mode 100644 index 00000000000..a4b20aaf614 --- /dev/null +++ b/drivers/video/omap2/dss/dss-of.c @@ -0,0 +1,159 @@ +/* + * Copyright (C) 2013 Texas Instruments + * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#include <linux/device.h> +#include <linux/err.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/seq_file.h> + +#include <video/omapdss.h> + +struct device_node * +omapdss_of_get_next_port(const struct device_node *parent, + struct device_node *prev) +{ + struct device_node *port = NULL; + + if (!parent) + return NULL; + + if (!prev) { + struct device_node *ports; + /* + * It's the first call, we have to find a port subnode + * within this node or within an optional 'ports' node. + */ + ports = of_get_child_by_name(parent, "ports"); + if (ports) + parent = ports; + + port = of_get_child_by_name(parent, "port"); + + /* release the 'ports' node */ + of_node_put(ports); + } else { + struct device_node *ports; + + ports = of_get_parent(prev); + if (!ports) + return NULL; + + do { + port = of_get_next_child(ports, prev); + if (!port) { + of_node_put(ports); + return NULL; + } + prev = port; + } while (of_node_cmp(port->name, "port") != 0); + } + + return port; +} +EXPORT_SYMBOL_GPL(omapdss_of_get_next_port); + +struct device_node * +omapdss_of_get_next_endpoint(const struct device_node *parent, + struct device_node *prev) +{ + struct device_node *ep = NULL; + + if (!parent) + return NULL; + + do { + ep = of_get_next_child(parent, prev); + if (!ep) + return NULL; + prev = ep; + } while (of_node_cmp(ep->name, "endpoint") != 0); + + return ep; +} +EXPORT_SYMBOL_GPL(omapdss_of_get_next_endpoint); + +static struct device_node * +omapdss_of_get_remote_device_node(const struct device_node *node) +{ + struct device_node *np; + int i; + + np = of_parse_phandle(node, "remote-endpoint", 0); + + if (!np) + return NULL; + + np = of_get_next_parent(np); + + for (i = 0; i < 3 && np; ++i) { + struct property *prop; + + prop = of_find_property(np, "compatible", NULL); + + if (prop) + return np; + + np = of_get_next_parent(np); + } + + return NULL; +} + +struct device_node * +omapdss_of_get_first_endpoint(const struct device_node *parent) +{ + struct device_node *port, *ep; + + port = omapdss_of_get_next_port(parent, NULL); + + if (!port) + return NULL; + + ep = omapdss_of_get_next_endpoint(port, NULL); + + of_node_put(port); + + return ep; +} +EXPORT_SYMBOL_GPL(omapdss_of_get_first_endpoint); + +struct omap_dss_device * +omapdss_of_find_source_for_first_ep(struct device_node *node) +{ + struct device_node *ep; + struct device_node *src_node; + struct omap_dss_device *src; + + ep = omapdss_of_get_first_endpoint(node); + if (!ep) + return ERR_PTR(-EINVAL); + + src_node = omapdss_of_get_remote_device_node(ep); + + of_node_put(ep); + + if (!src_node) + return ERR_PTR(-EINVAL); + + src = omap_dss_find_output_by_node(src_node); + + of_node_put(src_node); + + if (!src) + return ERR_PTR(-EPROBE_DEFER); + + return src; +} +EXPORT_SYMBOL_GPL(omapdss_of_find_source_for_first_ep); diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 96e400c5100..32b4ff0606a 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -23,6 +23,7 @@ #define DSS_SUBSYS_NAME "DSS" #include <linux/kernel.h> +#include <linux/module.h> #include <linux/io.h> #include <linux/export.h> #include <linux/err.h> @@ -33,6 +34,7 @@ #include <linux/pm_runtime.h> #include <linux/gfp.h> #include <linux/sizes.h> +#include <linux/of.h> #include <video/omapdss.h> @@ -772,6 +774,56 @@ static int __init dss_init_features(struct platform_device *pdev) return 0; } +static int dss_init_ports(struct platform_device *pdev) +{ + struct device_node *parent = pdev->dev.of_node; + struct device_node *port; + int r; + + if (parent == NULL) + return 0; + + port = omapdss_of_get_next_port(parent, NULL); + if (!port) { +#ifdef CONFIG_OMAP2_DSS_DPI + dpi_init_port(pdev, parent); +#endif + return 0; + } + + do { + u32 reg; + + r = of_property_read_u32(port, "reg", ®); + if (r) + reg = 0; + +#ifdef CONFIG_OMAP2_DSS_DPI + if (reg == 0) + dpi_init_port(pdev, port); +#endif + +#ifdef CONFIG_OMAP2_DSS_SDI + if (reg == 1) + sdi_init_port(pdev, port); +#endif + + } while ((port = omapdss_of_get_next_port(parent, port)) != NULL); + + return 0; +} + +static void dss_uninit_ports(void) +{ +#ifdef CONFIG_OMAP2_DSS_DPI + dpi_uninit_port(); +#endif + +#ifdef CONFIG_OMAP2_DSS_SDI + sdi_uninit_port(); +#endif +} + /* DSS HW IP initialisation */ static int __init omap_dsshw_probe(struct platform_device *pdev) { @@ -830,6 +882,8 @@ static int __init omap_dsshw_probe(struct platform_device *pdev) dss.lcd_clk_source[0] = OMAP_DSS_CLK_SRC_FCK; dss.lcd_clk_source[1] = OMAP_DSS_CLK_SRC_FCK; + dss_init_ports(pdev); + rev = dss_read_reg(DSS_REVISION); printk(KERN_INFO "OMAP DSS rev %d.%d\n", FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0)); @@ -849,6 +903,8 @@ err_setup_clocks: static int __exit omap_dsshw_remove(struct platform_device *pdev) { + dss_uninit_ports(); + pm_runtime_disable(&pdev->dev); dss_put_clocks(); @@ -886,12 +942,22 @@ static const struct dev_pm_ops dss_pm_ops = { .runtime_resume = dss_runtime_resume, }; +static const struct of_device_id dss_of_match[] = { + { .compatible = "ti,omap2-dss", }, + { .compatible = "ti,omap3-dss", }, + { .compatible = "ti,omap4-dss", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, dss_of_match); + static struct platform_driver omap_dsshw_driver = { .remove = __exit_p(omap_dsshw_remove), .driver = { .name = "omapdss_dss", .owner = THIS_MODULE, .pm = &dss_pm_ops, + .of_match_table = dss_of_match, }, }; diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index 570f7ed2bcb..918fec18242 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -250,6 +250,9 @@ bool dss_div_calc(unsigned long pck, unsigned long fck_min, int sdi_init_platform_driver(void) __init; void sdi_uninit_platform_driver(void) __exit; +int sdi_init_port(struct platform_device *pdev, struct device_node *port) __init; +void sdi_uninit_port(void) __exit; + /* DSI */ typedef bool (*dsi_pll_calc_func)(int regn, int regm, unsigned long fint, @@ -361,6 +364,9 @@ static inline bool dsi_pll_calc(struct platform_device *dsidev, int dpi_init_platform_driver(void) __init; void dpi_uninit_platform_driver(void) __exit; +int dpi_init_port(struct platform_device *pdev, struct device_node *port) __init; +void dpi_uninit_port(void) __exit; + /* DISPC */ int dispc_init_platform_driver(void) __init; void dispc_uninit_platform_driver(void) __exit; diff --git a/drivers/video/omap2/dss/hdmi4.c b/drivers/video/omap2/dss/hdmi4.c index 895c252ae0a..e9c3d9e6d45 100644 --- a/drivers/video/omap2/dss/hdmi4.c +++ b/drivers/video/omap2/dss/hdmi4.c @@ -88,7 +88,10 @@ static int hdmi_init_regulator(void) if (hdmi.vdda_hdmi_dac_reg != NULL) return 0; - reg = devm_regulator_get(&hdmi.pdev->dev, "vdda_hdmi_dac"); + if (hdmi.pdev->dev.of_node) + reg = devm_regulator_get(&hdmi.pdev->dev, "vdda"); + else + reg = devm_regulator_get(&hdmi.pdev->dev, "vdda_hdmi_dac"); /* DT HACK: try VDAC to make omapdss work for o4 sdp/panda */ if (IS_ERR(reg)) @@ -680,6 +683,11 @@ static const struct dev_pm_ops hdmi_pm_ops = { .runtime_resume = hdmi_runtime_resume, }; +static const struct of_device_id hdmi_of_match[] = { + { .compatible = "ti,omap4-hdmi", }, + {}, +}; + static struct platform_driver omapdss_hdmihw_driver = { .probe = omapdss_hdmihw_probe, .remove = __exit_p(omapdss_hdmihw_remove), @@ -687,6 +695,7 @@ static struct platform_driver omapdss_hdmihw_driver = { .name = "omapdss_hdmi", .owner = THIS_MODULE, .pm = &hdmi_pm_ops, + .of_match_table = hdmi_of_match, }, }; diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c index 800b2bb4ed9..911dcc9173a 100644 --- a/drivers/video/omap2/dss/sdi.c +++ b/drivers/video/omap2/dss/sdi.c @@ -26,6 +26,7 @@ #include <linux/export.h> #include <linux/platform_device.h> #include <linux/string.h> +#include <linux/of.h> #include <video/omapdss.h> #include "dss.h" @@ -41,12 +42,14 @@ static struct { int datapairs; struct omap_dss_device output; + + bool port_initialized; } sdi; struct sdi_clk_calc_ctx { unsigned long pck_min, pck_max; - unsigned long long fck; + unsigned long fck; struct dispc_clock_info dispc_cinfo; }; @@ -386,3 +389,45 @@ void __exit sdi_uninit_platform_driver(void) { platform_driver_unregister(&omap_sdi_driver); } + +int __init sdi_init_port(struct platform_device *pdev, struct device_node *port) +{ + struct device_node *ep; + u32 datapairs; + int r; + + ep = omapdss_of_get_next_endpoint(port, NULL); + if (!ep) + return 0; + + r = of_property_read_u32(ep, "datapairs", &datapairs); + if (r) { + DSSERR("failed to parse datapairs\n"); + goto err_datapairs; + } + + sdi.datapairs = datapairs; + + of_node_put(ep); + + sdi.pdev = pdev; + + sdi_init_output(pdev); + + sdi.port_initialized = true; + + return 0; + +err_datapairs: + of_node_put(ep); + + return r; +} + +void __exit sdi_uninit_port(void) +{ + if (!sdi.port_initialized) + return; + + sdi_uninit_output(sdi.pdev); +} diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index 59ade34bd53..21d81113962 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -34,6 +34,7 @@ #include <linux/platform_device.h> #include <linux/regulator/consumer.h> #include <linux/pm_runtime.h> +#include <linux/of.h> #include <video/omapdss.h> @@ -636,7 +637,10 @@ static int venc_init_regulator(void) if (venc.vdda_dac_reg != NULL) return 0; - vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda_dac"); + if (venc.pdev->dev.of_node) + vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda"); + else + vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda_dac"); if (IS_ERR(vdda_dac)) { if (PTR_ERR(vdda_dac) != -EPROBE_DEFER) @@ -805,6 +809,48 @@ static void __exit venc_uninit_output(struct platform_device *pdev) omapdss_unregister_output(out); } +static int venc_probe_of(struct platform_device *pdev) +{ + struct device_node *node = pdev->dev.of_node; + struct device_node *ep; + u32 channels; + int r; + + ep = omapdss_of_get_first_endpoint(node); + if (!ep) + return 0; + + venc.invert_polarity = of_property_read_bool(ep, "ti,invert-polarity"); + + r = of_property_read_u32(ep, "ti,channels", &channels); + if (r) { + dev_err(&pdev->dev, + "failed to read property 'ti,channels': %d\n", r); + goto err; + } + + switch (channels) { + case 1: + venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE; + break; + case 2: + venc.type = OMAP_DSS_VENC_TYPE_SVIDEO; + break; + default: + dev_err(&pdev->dev, "bad channel propert '%d'\n", channels); + r = -EINVAL; + goto err; + } + + of_node_put(ep); + + return 0; +err: + of_node_put(ep); + + return 0; +} + /* VENC HW IP initialisation */ static int omap_venchw_probe(struct platform_device *pdev) { @@ -846,12 +892,21 @@ static int omap_venchw_probe(struct platform_device *pdev) venc_runtime_put(); + if (pdev->dev.of_node) { + r = venc_probe_of(pdev); + if (r) { + DSSERR("Invalid DT data\n"); + goto err_probe_of; + } + } + dss_debugfs_create_file("venc", venc_dump_regs); venc_init_output(pdev); return 0; +err_probe_of: err_runtime_get: pm_runtime_disable(&pdev->dev); return r; @@ -895,6 +950,14 @@ static const struct dev_pm_ops venc_pm_ops = { .runtime_resume = venc_runtime_resume, }; + +static const struct of_device_id venc_of_match[] = { + { .compatible = "ti,omap2-venc", }, + { .compatible = "ti,omap3-venc", }, + { .compatible = "ti,omap4-venc", }, + {}, +}; + static struct platform_driver omap_venchw_driver = { .probe = omap_venchw_probe, .remove = __exit_p(omap_venchw_remove), @@ -902,6 +965,7 @@ static struct platform_driver omap_venchw_driver = { .name = "omapdss_venc", .owner = THIS_MODULE, .pm = &venc_pm_ops, + .of_match_table = venc_of_match, }, }; diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c index 8d02f164c8c..ec2d132c782 100644 --- a/drivers/video/omap2/omapfb/omapfb-main.c +++ b/drivers/video/omap2/omapfb/omapfb-main.c @@ -2417,6 +2417,55 @@ static int omapfb_init_connections(struct omapfb2_device *fbdev, return 0; } +static struct omap_dss_device * +omapfb_find_default_display(struct omapfb2_device *fbdev) +{ + const char *def_name; + int i; + + /* + * Search with the display name from the user or the board file, + * comparing to display names and aliases + */ + + def_name = omapdss_get_default_display_name(); + + if (def_name) { + for (i = 0; i < fbdev->num_displays; ++i) { + struct omap_dss_device *dssdev; + + dssdev = fbdev->displays[i].dssdev; + + if (dssdev->name && strcmp(def_name, dssdev->name) == 0) + return dssdev; + + if (strcmp(def_name, dssdev->alias) == 0) + return dssdev; + } + + /* def_name given but not found */ + return NULL; + } + + /* then look for DT alias display0 */ + for (i = 0; i < fbdev->num_displays; ++i) { + struct omap_dss_device *dssdev; + int id; + + dssdev = fbdev->displays[i].dssdev; + + if (dssdev->dev->of_node == NULL) + continue; + + id = of_alias_get_id(dssdev->dev->of_node, "display"); + if (id == 0) + return dssdev; + } + + /* return the first display we have in the list */ + return fbdev->displays[0].dssdev; +} + static int omapfb_probe(struct platform_device *pdev) { struct omapfb2_device *fbdev = NULL; @@ -2494,23 +2543,7 @@ static int omapfb_probe(struct platform_device *pdev) for (i = 0; i < fbdev->num_managers; i++) fbdev->managers[i] = omap_dss_get_overlay_manager(i); - def_display = NULL; - - for (i = 0; i < fbdev->num_displays; ++i) { - struct omap_dss_device *dssdev; - const char *def_name; - - def_name = omapdss_get_default_display_name(); - - dssdev = fbdev->displays[i].dssdev; - - if (def_name == NULL || - (dssdev->name && strcmp(def_name, dssdev->name) == 0)) { - def_display = dssdev; - break; - } - } - + def_display = omapfb_find_default_display(fbdev); if (def_display == NULL) { dev_err(fbdev->dev, "failed to find default display\n"); r = -EPROBE_DEFER; diff --git a/drivers/vme/bridges/vme_ca91cx42.c b/drivers/vme/bridges/vme_ca91cx42.c index a06edbfa95c..1b5d48c578e 100644 --- a/drivers/vme/bridges/vme_ca91cx42.c +++ b/drivers/vme/bridges/vme_ca91cx42.c @@ -884,7 +884,7 @@ static ssize_t ca91cx42_master_read(struct vme_master_resource *image, if (done == count) goto out; } - if ((uintptr_t)addr & 0x2) { + if ((uintptr_t)(addr + done) & 0x2) { if ((count - done) < 2) { *(u8 *)(buf + done) = ioread8(addr + done); done += 1; @@ -938,7 +938,7 @@ static ssize_t ca91cx42_master_write(struct vme_master_resource *image, if (done == count) goto out; } - if ((uintptr_t)addr & 0x2) { + if ((uintptr_t)(addr + done) & 0x2) { if ((count - done) < 2) { iowrite8(*(u8 *)(buf + done), addr + done); done += 1; diff --git a/drivers/vme/bridges/vme_tsi148.c b/drivers/vme/bridges/vme_tsi148.c index 16830d8b777..9911cd5fddb 100644 --- a/drivers/vme/bridges/vme_tsi148.c +++ b/drivers/vme/bridges/vme_tsi148.c @@ -1289,7 +1289,7 @@ static ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf, if (done == count) goto out; } - if ((uintptr_t)addr & 0x2) { + if ((uintptr_t)(addr + done) & 0x2) { if ((count - done) < 2) { *(u8 *)(buf + done) = ioread8(addr + done); done += 1; @@ -1371,7 +1371,7 @@ static ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf, if (done == count) goto out; } - if ((uintptr_t)addr & 0x2) { + if ((uintptr_t)(addr + done) & 0x2) { if ((count - done) < 2) { iowrite8(*(u8 *)(buf + done), addr + done); done += 1; diff --git a/drivers/watchdog/w83697hf_wdt.c b/drivers/watchdog/w83697hf_wdt.c index aaf2995d37f..68b45fc9ba6 100644 --- a/drivers/watchdog/w83697hf_wdt.c +++ b/drivers/watchdog/w83697hf_wdt.c @@ -402,7 +402,7 @@ static int __init wdt_init(void) if (!found) { pr_err("No W83697HF/HG could be found\n"); - ret = -EIO; + ret = -ENODEV; goto out; } diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index d75c811bfa5..45e00afa7f2 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -16,7 +16,6 @@ xen-pad-$(CONFIG_X86) += xen-acpi-pad.o dom0-$(CONFIG_X86) += pcpu.o obj-$(CONFIG_XEN_DOM0) += $(dom0-y) obj-$(CONFIG_BLOCK) += biomerge.o -obj-$(CONFIG_XEN_XENCOMM) += xencomm.o obj-$(CONFIG_XEN_BALLOON) += xen-balloon.o obj-$(CONFIG_XEN_SELFBALLOONING) += xen-selfballoon.o obj-$(CONFIG_XEN_DEV_EVTCHN) += xen-evtchn.o diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 4672e003c0a..f4a9e331129 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -862,6 +862,8 @@ int bind_evtchn_to_irq(unsigned int evtchn) irq = ret; goto out; } + /* New interdomain events are bound to VCPU 0. */ + bind_evtchn_to_cpu(evtchn, 0); } else { struct irq_info *info = info_for_irq(irq); WARN_ON(info == NULL || info->type != IRQT_EVTCHN); diff --git a/drivers/xen/xencomm.c b/drivers/xen/xencomm.c deleted file mode 100644 index 4793fc59454..00000000000 --- a/drivers/xen/xencomm.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Copyright (C) IBM Corp. 2006 - * - * Authors: Hollis Blanchard <hollisb@us.ibm.com> - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/mm.h> -#include <linux/slab.h> -#include <asm/page.h> -#include <xen/xencomm.h> -#include <xen/interface/xen.h> -#include <asm/xen/xencomm.h> /* for xencomm_is_phys_contiguous() */ - -static int xencomm_init(struct xencomm_desc *desc, - void *buffer, unsigned long bytes) -{ - unsigned long recorded = 0; - int i = 0; - - while ((recorded < bytes) && (i < desc->nr_addrs)) { - unsigned long vaddr = (unsigned long)buffer + recorded; - unsigned long paddr; - int offset; - int chunksz; - - offset = vaddr % PAGE_SIZE; /* handle partial pages */ - chunksz = min(PAGE_SIZE - offset, bytes - recorded); - - paddr = xencomm_vtop(vaddr); - if (paddr == ~0UL) { - printk(KERN_DEBUG "%s: couldn't translate vaddr %lx\n", - __func__, vaddr); - return -EINVAL; - } - - desc->address[i++] = paddr; - recorded += chunksz; - } - - if (recorded < bytes) { - printk(KERN_DEBUG - "%s: could only translate %ld of %ld bytes\n", - __func__, recorded, bytes); - return -ENOSPC; - } - - /* mark remaining addresses invalid (just for safety) */ - while (i < desc->nr_addrs) - desc->address[i++] = XENCOMM_INVALID; - - desc->magic = XENCOMM_MAGIC; - - return 0; -} - -static struct xencomm_desc *xencomm_alloc(gfp_t gfp_mask, - void *buffer, unsigned long bytes) -{ - struct xencomm_desc *desc; - unsigned long buffer_ulong = (unsigned long)buffer; - unsigned long start = buffer_ulong & PAGE_MASK; - unsigned long end = (buffer_ulong + bytes) | ~PAGE_MASK; - unsigned long nr_addrs = (end - start + 1) >> PAGE_SHIFT; - unsigned long size = sizeof(*desc) + - sizeof(desc->address[0]) * nr_addrs; - - /* - * slab allocator returns at least sizeof(void*) aligned pointer. - * When sizeof(*desc) > sizeof(void*), struct xencomm_desc might - * cross page boundary. - */ - if (sizeof(*desc) > sizeof(void *)) { - unsigned long order = get_order(size); - desc = (struct xencomm_desc *)__get_free_pages(gfp_mask, - order); - if (desc == NULL) - return NULL; - - desc->nr_addrs = - ((PAGE_SIZE << order) - sizeof(struct xencomm_desc)) / - sizeof(*desc->address); - } else { - desc = kmalloc(size, gfp_mask); - if (desc == NULL) - return NULL; - - desc->nr_addrs = nr_addrs; - } - return desc; -} - -void xencomm_free(struct xencomm_handle *desc) -{ - if (desc && !((ulong)desc & XENCOMM_INLINE_FLAG)) { - struct xencomm_desc *desc__ = (struct xencomm_desc *)desc; - if (sizeof(*desc__) > sizeof(void *)) { - unsigned long size = sizeof(*desc__) + - sizeof(desc__->address[0]) * desc__->nr_addrs; - unsigned long order = get_order(size); - free_pages((unsigned long)__va(desc), order); - } else - kfree(__va(desc)); - } -} - -static int xencomm_create(void *buffer, unsigned long bytes, - struct xencomm_desc **ret, gfp_t gfp_mask) -{ - struct xencomm_desc *desc; - int rc; - - pr_debug("%s: %p[%ld]\n", __func__, buffer, bytes); - - if (bytes == 0) { - /* don't create a descriptor; Xen recognizes NULL. */ - BUG_ON(buffer != NULL); - *ret = NULL; - return 0; - } - - BUG_ON(buffer == NULL); /* 'bytes' is non-zero */ - - desc = xencomm_alloc(gfp_mask, buffer, bytes); - if (!desc) { - printk(KERN_DEBUG "%s failure\n", "xencomm_alloc"); - return -ENOMEM; - } - - rc = xencomm_init(desc, buffer, bytes); - if (rc) { - printk(KERN_DEBUG "%s failure: %d\n", "xencomm_init", rc); - xencomm_free((struct xencomm_handle *)__pa(desc)); - return rc; - } - - *ret = desc; - return 0; -} - -static struct xencomm_handle *xencomm_create_inline(void *ptr) -{ - unsigned long paddr; - - BUG_ON(!xencomm_is_phys_contiguous((unsigned long)ptr)); - - paddr = (unsigned long)xencomm_pa(ptr); - BUG_ON(paddr & XENCOMM_INLINE_FLAG); - return (struct xencomm_handle *)(paddr | XENCOMM_INLINE_FLAG); -} - -/* "mini" routine, for stack-based communications: */ -static int xencomm_create_mini(void *buffer, - unsigned long bytes, struct xencomm_mini *xc_desc, - struct xencomm_desc **ret) -{ - int rc = 0; - struct xencomm_desc *desc; - BUG_ON(((unsigned long)xc_desc) % sizeof(*xc_desc) != 0); - - desc = (void *)xc_desc; - - desc->nr_addrs = XENCOMM_MINI_ADDRS; - - rc = xencomm_init(desc, buffer, bytes); - if (!rc) - *ret = desc; - - return rc; -} - -struct xencomm_handle *xencomm_map(void *ptr, unsigned long bytes) -{ - int rc; - struct xencomm_desc *desc; - - if (xencomm_is_phys_contiguous((unsigned long)ptr)) - return xencomm_create_inline(ptr); - - rc = xencomm_create(ptr, bytes, &desc, GFP_KERNEL); - - if (rc || desc == NULL) - return NULL; - - return xencomm_pa(desc); -} - -struct xencomm_handle *__xencomm_map_no_alloc(void *ptr, unsigned long bytes, - struct xencomm_mini *xc_desc) -{ - int rc; - struct xencomm_desc *desc = NULL; - - if (xencomm_is_phys_contiguous((unsigned long)ptr)) - return xencomm_create_inline(ptr); - - rc = xencomm_create_mini(ptr, bytes, xc_desc, - &desc); - - if (rc) - return NULL; - - return xencomm_pa(desc); -} |