diff options
Diffstat (limited to 'drivers')
130 files changed, 1485 insertions, 648 deletions
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index ed122e17636..7556e7c4a05 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -290,6 +290,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3446"), }, }, + { + .callback = dmi_disable_osi_win8, + .ident = "Dell Vostro 3546", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3546"), + }, + }, /* * BIOS invocation of _OSI(Linux) is almost always a BIOS bug. diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 5f039f19106..e45f8378980 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -60,6 +60,7 @@ enum board_ids { /* board IDs by feature in alphabetical order */ board_ahci, board_ahci_ign_iferr, + board_ahci_nomsi, 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_nomsi] = { + AHCI_HFLAGS (AHCI_HFLAG_NO_MSI), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, [board_ahci_noncq] = { AHCI_HFLAGS (AHCI_HFLAG_NO_NCQ), .flags = AHCI_FLAG_COMMON, @@ -313,6 +321,11 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x8c87), board_ahci }, /* 9 Series RAID */ { PCI_VDEVICE(INTEL, 0x8c8e), board_ahci }, /* 9 Series RAID */ { PCI_VDEVICE(INTEL, 0x8c8f), board_ahci }, /* 9 Series RAID */ + { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */ + { PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */ + { PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */ /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, @@ -475,10 +488,10 @@ static const struct pci_device_id ahci_pci_tbl[] = { { 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 + * Samsung SSDs found on some macbooks. NCQ times out if MSI is + * enabled. https://bugzilla.kernel.org/show_bug.cgi?id=60731 */ - { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_noncq }, + { PCI_VDEVICE(SAMSUNG, 0x1600), board_ahci_nomsi }, /* Enmotus */ { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, @@ -514,12 +527,9 @@ MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)"); static void ahci_pci_save_initial_config(struct pci_dev *pdev, struct ahci_host_priv *hpriv) { - unsigned int force_port_map = 0; - unsigned int mask_port_map = 0; - if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) { dev_info(&pdev->dev, "JMB361 has only one port\n"); - force_port_map = 1; + hpriv->force_port_map = 1; } /* @@ -529,9 +539,9 @@ static void ahci_pci_save_initial_config(struct pci_dev *pdev, */ if (hpriv->flags & AHCI_HFLAG_MV_PATA) { if (pdev->device == 0x6121) - mask_port_map = 0x3; + hpriv->mask_port_map = 0x3; else - mask_port_map = 0xf; + hpriv->mask_port_map = 0xf; dev_info(&pdev->dev, "Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n"); } diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 5eb61c9e63d..97683e45ab0 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1778,16 +1778,15 @@ static void ahci_handle_port_interrupt(struct ata_port *ap, } } -static void ahci_update_intr_status(struct ata_port *ap) +static void ahci_port_intr(struct ata_port *ap) { void __iomem *port_mmio = ahci_port_base(ap); - struct ahci_port_priv *pp = ap->private_data; u32 status; status = readl(port_mmio + PORT_IRQ_STAT); writel(status, port_mmio + PORT_IRQ_STAT); - atomic_or(status, &pp->intr_status); + ahci_handle_port_interrupt(ap, port_mmio, status); } static irqreturn_t ahci_port_thread_fn(int irq, void *dev_instance) @@ -1808,34 +1807,6 @@ static irqreturn_t ahci_port_thread_fn(int irq, void *dev_instance) return IRQ_HANDLED; } -irqreturn_t ahci_thread_fn(int irq, void *dev_instance) -{ - struct ata_host *host = dev_instance; - struct ahci_host_priv *hpriv = host->private_data; - u32 irq_masked = hpriv->port_map; - unsigned int i; - - for (i = 0; i < host->n_ports; i++) { - struct ata_port *ap; - - if (!(irq_masked & (1 << i))) - continue; - - ap = host->ports[i]; - if (ap) { - ahci_port_thread_fn(irq, ap); - VPRINTK("port %u\n", i); - } else { - VPRINTK("port %u (no irq)\n", i); - if (ata_ratelimit()) - dev_warn(host->dev, - "interrupt on disabled port %u\n", i); - } - } - - return IRQ_HANDLED; -} - static irqreturn_t ahci_multi_irqs_intr(int irq, void *dev_instance) { struct ata_port *ap = dev_instance; @@ -1875,6 +1846,8 @@ static irqreturn_t ahci_single_irq_intr(int irq, void *dev_instance) irq_masked = irq_stat & hpriv->port_map; + spin_lock(&host->lock); + for (i = 0; i < host->n_ports; i++) { struct ata_port *ap; @@ -1883,7 +1856,7 @@ static irqreturn_t ahci_single_irq_intr(int irq, void *dev_instance) ap = host->ports[i]; if (ap) { - ahci_update_intr_status(ap); + ahci_port_intr(ap); VPRINTK("port %u\n", i); } else { VPRINTK("port %u (no irq)\n", i); @@ -1906,9 +1879,11 @@ static irqreturn_t ahci_single_irq_intr(int irq, void *dev_instance) */ writel(irq_stat, mmio + HOST_IRQ_STAT); + spin_unlock(&host->lock); + VPRINTK("EXIT\n"); - return handled ? IRQ_WAKE_THREAD : IRQ_NONE; + return IRQ_RETVAL(handled); } unsigned int ahci_qc_issue(struct ata_queued_cmd *qc) @@ -2320,8 +2295,13 @@ static int ahci_port_start(struct ata_port *ap) */ pp->intr_mask = DEF_PORT_IRQ; - spin_lock_init(&pp->lock); - ap->lock = &pp->lock; + /* + * Switch to per-port locking in case each port has its own MSI vector. + */ + if ((hpriv->flags & AHCI_HFLAG_MULTI_MSI)) { + spin_lock_init(&pp->lock); + ap->lock = &pp->lock; + } ap->private_data = pp; @@ -2482,31 +2462,6 @@ out_free_irqs: return rc; } -static int ahci_host_activate_single_irq(struct ata_host *host, int irq, - struct scsi_host_template *sht) -{ - int i, rc; - - rc = ata_host_start(host); - if (rc) - return rc; - - rc = devm_request_threaded_irq(host->dev, irq, ahci_single_irq_intr, - ahci_thread_fn, IRQF_SHARED, - dev_driver_string(host->dev), host); - if (rc) - return rc; - - for (i = 0; i < host->n_ports; i++) - ata_port_desc(host->ports[i], "irq %d", irq); - - rc = ata_host_register(host, sht); - if (rc) - devm_free_irq(host->dev, irq, host); - - return rc; -} - /** * ahci_host_activate - start AHCI host, request IRQs and register it * @host: target ATA host @@ -2532,7 +2487,8 @@ int ahci_host_activate(struct ata_host *host, int irq, if (hpriv->flags & AHCI_HFLAG_MULTI_MSI) rc = ahci_host_activate_multi_irqs(host, irq, sht); else - rc = ahci_host_activate_single_irq(host, irq, sht); + rc = ata_host_activate(host, irq, ahci_single_irq_intr, + IRQF_SHARED, sht); return rc; } EXPORT_SYMBOL_GPL(ahci_host_activate); diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 61eb6d77dac..ea1fbc1d4c5 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -146,6 +146,7 @@ enum sata_rcar_type { RCAR_GEN1_SATA, RCAR_GEN2_SATA, + RCAR_R8A7790_ES1_SATA, }; struct sata_rcar_priv { @@ -763,6 +764,9 @@ static void sata_rcar_setup_port(struct ata_host *host) ap->udma_mask = ATA_UDMA6; ap->flags |= ATA_FLAG_SATA; + if (priv->type == RCAR_R8A7790_ES1_SATA) + ap->flags |= ATA_FLAG_NO_DIPM; + ioaddr->cmd_addr = base + SDATA_REG; ioaddr->ctl_addr = base + SSDEVCON_REG; ioaddr->scr_addr = base + SCRSSTS_REG; @@ -792,6 +796,7 @@ static void sata_rcar_init_controller(struct ata_host *host) sata_rcar_gen1_phy_init(priv); break; case RCAR_GEN2_SATA: + case RCAR_R8A7790_ES1_SATA: sata_rcar_gen2_phy_init(priv); break; default: @@ -838,9 +843,17 @@ static struct of_device_id sata_rcar_match[] = { .data = (void *)RCAR_GEN2_SATA }, { + .compatible = "renesas,sata-r8a7790-es1", + .data = (void *)RCAR_R8A7790_ES1_SATA + }, + { .compatible = "renesas,sata-r8a7791", .data = (void *)RCAR_GEN2_SATA }, + { + .compatible = "renesas,sata-r8a7793", + .data = (void *)RCAR_GEN2_SATA + }, { }, }; MODULE_DEVICE_TABLE(of, sata_rcar_match); @@ -849,7 +862,9 @@ static const struct platform_device_id sata_rcar_id_table[] = { { "sata_rcar", RCAR_GEN1_SATA }, /* Deprecated by "sata-r8a7779" */ { "sata-r8a7779", RCAR_GEN1_SATA }, { "sata-r8a7790", RCAR_GEN2_SATA }, + { "sata-r8a7790-es1", RCAR_R8A7790_ES1_SATA }, { "sata-r8a7791", RCAR_GEN2_SATA }, + { "sata-r8a7793", RCAR_GEN2_SATA }, { }, }; MODULE_DEVICE_TABLE(platform, sata_rcar_id_table); diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 40bc2f4072c..fb83d4acd40 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -361,9 +361,19 @@ static int __pm_genpd_save_device(struct pm_domain_data *pdd, struct device *dev = pdd->dev; int ret = 0; - if (gpd_data->need_restore) + if (gpd_data->need_restore > 0) return 0; + /* + * If the value of the need_restore flag is still unknown at this point, + * we trust that pm_genpd_poweroff() has verified that the device is + * already runtime PM suspended. + */ + if (gpd_data->need_restore < 0) { + gpd_data->need_restore = 1; + return 0; + } + mutex_unlock(&genpd->lock); genpd_start_dev(genpd, dev); @@ -373,7 +383,7 @@ static int __pm_genpd_save_device(struct pm_domain_data *pdd, mutex_lock(&genpd->lock); if (!ret) - gpd_data->need_restore = true; + gpd_data->need_restore = 1; return ret; } @@ -389,12 +399,17 @@ static void __pm_genpd_restore_device(struct pm_domain_data *pdd, { struct generic_pm_domain_data *gpd_data = to_gpd_data(pdd); struct device *dev = pdd->dev; - bool need_restore = gpd_data->need_restore; + int need_restore = gpd_data->need_restore; - gpd_data->need_restore = false; + gpd_data->need_restore = 0; mutex_unlock(&genpd->lock); genpd_start_dev(genpd, dev); + + /* + * Call genpd_restore_dev() for recently added devices too (need_restore + * is negative then). + */ if (need_restore) genpd_restore_dev(genpd, dev); @@ -603,6 +618,7 @@ static void genpd_power_off_work_fn(struct work_struct *work) static int pm_genpd_runtime_suspend(struct device *dev) { struct generic_pm_domain *genpd; + struct generic_pm_domain_data *gpd_data; bool (*stop_ok)(struct device *__dev); int ret; @@ -628,6 +644,16 @@ static int pm_genpd_runtime_suspend(struct device *dev) return 0; mutex_lock(&genpd->lock); + + /* + * If we have an unknown state of the need_restore flag, it means none + * of the runtime PM callbacks has been invoked yet. Let's update the + * flag to reflect that the current state is active. + */ + gpd_data = to_gpd_data(dev->power.subsys_data->domain_data); + if (gpd_data->need_restore < 0) + gpd_data->need_restore = 0; + genpd->in_progress++; pm_genpd_poweroff(genpd); genpd->in_progress--; @@ -1437,12 +1463,12 @@ int __pm_genpd_add_device(struct generic_pm_domain *genpd, struct device *dev, spin_unlock_irq(&dev->power.lock); if (genpd->attach_dev) - genpd->attach_dev(dev); + genpd->attach_dev(genpd, dev); mutex_lock(&gpd_data->lock); gpd_data->base.dev = dev; list_add_tail(&gpd_data->base.list_node, &genpd->dev_list); - gpd_data->need_restore = genpd->status == GPD_STATE_POWER_OFF; + gpd_data->need_restore = -1; gpd_data->td.constraint_changed = true; gpd_data->td.effective_constraint_ns = -1; mutex_unlock(&gpd_data->lock); @@ -1499,7 +1525,7 @@ int pm_genpd_remove_device(struct generic_pm_domain *genpd, genpd->max_off_time_changed = true; if (genpd->detach_dev) - genpd->detach_dev(dev); + genpd->detach_dev(genpd, dev); spin_lock_irq(&dev->power.lock); @@ -1546,7 +1572,7 @@ void pm_genpd_dev_need_restore(struct device *dev, bool val) psd = dev_to_psd(dev); if (psd && psd->domain_data) - to_gpd_data(psd->domain_data)->need_restore = val; + to_gpd_data(psd->domain_data)->need_restore = val ? 1 : 0; spin_unlock_irqrestore(&dev->power.lock, flags); } diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 2ad0b5bce44..3920ee45aa5 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -560,7 +560,8 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, } if (page_zero_filled(uncmem)) { - kunmap_atomic(user_mem); + if (user_mem) + kunmap_atomic(user_mem); /* Free memory associated with this sector now. */ bit_spin_lock(ZRAM_ACCESS, &meta->table[index].value); zram_free_page(zram, index); diff --git a/drivers/char/hw_random/pseries-rng.c b/drivers/char/hw_random/pseries-rng.c index 6226aa08c36..bcf86f91800 100644 --- a/drivers/char/hw_random/pseries-rng.c +++ b/drivers/char/hw_random/pseries-rng.c @@ -25,18 +25,21 @@ #include <asm/vio.h> -static int pseries_rng_data_read(struct hwrng *rng, u32 *data) +static int pseries_rng_read(struct hwrng *rng, void *data, size_t max, bool wait) { + u64 buffer[PLPAR_HCALL_BUFSIZE]; + size_t size = max < 8 ? max : 8; int rc; - rc = plpar_hcall(H_RANDOM, (unsigned long *)data); + rc = plpar_hcall(H_RANDOM, (unsigned long *)buffer); if (rc != H_SUCCESS) { pr_err_ratelimited("H_RANDOM call failed %d\n", rc); return -EIO; } + memcpy(data, buffer, size); /* The hypervisor interface returns 64 bits */ - return 8; + return size; } /** @@ -55,7 +58,7 @@ static unsigned long pseries_rng_get_desired_dma(struct vio_dev *vdev) static struct hwrng pseries_rng = { .name = KBUILD_MODNAME, - .data_read = pseries_rng_data_read, + .read = pseries_rng_read, }; static int __init pseries_rng_probe(struct vio_dev *dev, diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index bfa640023e6..cf7a561fad7 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1449,8 +1449,6 @@ static int add_port(struct ports_device *portdev, u32 id) spin_lock_init(&port->outvq_lock); init_waitqueue_head(&port->waitqueue); - virtio_device_ready(portdev->vdev); - /* Fill the in_vq with buffers so the host can send us data. */ nr_added_bufs = fill_queue(port->in_vq, &port->inbuf_lock); if (!nr_added_bufs) { @@ -2026,6 +2024,8 @@ static int virtcons_probe(struct virtio_device *vdev) spin_lock_init(&portdev->ports_lock); INIT_LIST_HEAD(&portdev->ports); + virtio_device_ready(portdev->vdev); + if (multiport) { unsigned int nr_added_bufs; diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index 23aaf40cf37..f657c571b18 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -166,8 +166,8 @@ try_again: if (ret == -EPROBE_DEFER) dev_dbg(cpu_dev, "cpu%d clock not ready, retry\n", cpu); else - dev_err(cpu_dev, "failed to get cpu%d clock: %d\n", ret, - cpu); + dev_err(cpu_dev, "failed to get cpu%d clock: %d\n", cpu, + ret); } else { *cdev = cpu_dev; *creg = cpu_reg; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 644b54e1e7d..4473eba1d6b 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1022,7 +1022,8 @@ static struct cpufreq_policy *cpufreq_policy_restore(unsigned int cpu) read_unlock_irqrestore(&cpufreq_driver_lock, flags); - policy->governor = NULL; + if (policy) + policy->governor = NULL; return policy; } diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c index 871703c49d2..e1eaf4ff976 100644 --- a/drivers/crypto/caam/key_gen.c +++ b/drivers/crypto/caam/key_gen.c @@ -48,23 +48,29 @@ int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len, u32 *desc; struct split_key_result result; dma_addr_t dma_addr_in, dma_addr_out; - int ret = 0; + int ret = -ENOMEM; desc = kmalloc(CAAM_CMD_SZ * 6 + CAAM_PTR_SZ * 2, GFP_KERNEL | GFP_DMA); if (!desc) { dev_err(jrdev, "unable to allocate key input memory\n"); - return -ENOMEM; + return ret; } - init_job_desc(desc, 0); - dma_addr_in = dma_map_single(jrdev, (void *)key_in, keylen, DMA_TO_DEVICE); if (dma_mapping_error(jrdev, dma_addr_in)) { dev_err(jrdev, "unable to map key input memory\n"); - kfree(desc); - return -ENOMEM; + goto out_free; } + + dma_addr_out = dma_map_single(jrdev, key_out, split_key_pad_len, + DMA_FROM_DEVICE); + if (dma_mapping_error(jrdev, dma_addr_out)) { + dev_err(jrdev, "unable to map key output memory\n"); + goto out_unmap_in; + } + + init_job_desc(desc, 0); append_key(desc, dma_addr_in, keylen, CLASS_2 | KEY_DEST_CLASS_REG); /* Sets MDHA up into an HMAC-INIT */ @@ -81,13 +87,6 @@ int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len, * FIFO_STORE with the explicit split-key content store * (0x26 output type) */ - dma_addr_out = dma_map_single(jrdev, key_out, split_key_pad_len, - DMA_FROM_DEVICE); - if (dma_mapping_error(jrdev, dma_addr_out)) { - dev_err(jrdev, "unable to map key output memory\n"); - kfree(desc); - return -ENOMEM; - } append_fifo_store(desc, dma_addr_out, split_key_len, LDST_CLASS_2_CCB | FIFOST_TYPE_SPLIT_KEK); @@ -115,10 +114,10 @@ int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len, dma_unmap_single(jrdev, dma_addr_out, split_key_pad_len, DMA_FROM_DEVICE); +out_unmap_in: dma_unmap_single(jrdev, dma_addr_in, keylen, DMA_TO_DEVICE); - +out_free: kfree(desc); - return ret; } EXPORT_SYMBOL(gen_split_key); diff --git a/drivers/crypto/qat/qat_common/adf_accel_devices.h b/drivers/crypto/qat/qat_common/adf_accel_devices.h index 9282381b03c..fe7b3f06f6e 100644 --- a/drivers/crypto/qat/qat_common/adf_accel_devices.h +++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h @@ -198,8 +198,7 @@ struct adf_accel_dev { struct dentry *debugfs_dir; struct list_head list; struct module *owner; - uint8_t accel_id; - uint8_t numa_node; struct adf_accel_pci accel_pci_dev; + uint8_t accel_id; } __packed; #endif diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c index 5f3fa45348b..9dd2cb72a4e 100644 --- a/drivers/crypto/qat/qat_common/adf_transport.c +++ b/drivers/crypto/qat/qat_common/adf_transport.c @@ -419,9 +419,10 @@ static int adf_init_bank(struct adf_accel_dev *accel_dev, WRITE_CSR_RING_BASE(csr_addr, bank_num, i, 0); ring = &bank->rings[i]; if (hw_data->tx_rings_mask & (1 << i)) { - ring->inflights = kzalloc_node(sizeof(atomic_t), - GFP_KERNEL, - accel_dev->numa_node); + ring->inflights = + kzalloc_node(sizeof(atomic_t), + GFP_KERNEL, + dev_to_node(&GET_DEV(accel_dev))); if (!ring->inflights) goto err; } else { @@ -469,13 +470,14 @@ int adf_init_etr_data(struct adf_accel_dev *accel_dev) int i, ret; etr_data = kzalloc_node(sizeof(*etr_data), GFP_KERNEL, - accel_dev->numa_node); + dev_to_node(&GET_DEV(accel_dev))); if (!etr_data) return -ENOMEM; num_banks = GET_MAX_BANKS(accel_dev); size = num_banks * sizeof(struct adf_etr_bank_data); - etr_data->banks = kzalloc_node(size, GFP_KERNEL, accel_dev->numa_node); + etr_data->banks = kzalloc_node(size, GFP_KERNEL, + dev_to_node(&GET_DEV(accel_dev))); if (!etr_data->banks) { ret = -ENOMEM; goto err_bank; diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index f2e2f158cfb..9e9619cd4a7 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -596,7 +596,8 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, if (unlikely(!n)) return -EINVAL; - bufl = kmalloc_node(sz, GFP_ATOMIC, inst->accel_dev->numa_node); + bufl = kmalloc_node(sz, GFP_ATOMIC, + dev_to_node(&GET_DEV(inst->accel_dev))); if (unlikely(!bufl)) return -ENOMEM; @@ -605,6 +606,8 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, goto err; for_each_sg(assoc, sg, assoc_n, i) { + if (!sg->length) + continue; bufl->bufers[bufs].addr = dma_map_single(dev, sg_virt(sg), sg->length, @@ -640,7 +643,7 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, struct qat_alg_buf *bufers; buflout = kmalloc_node(sz, GFP_ATOMIC, - inst->accel_dev->numa_node); + dev_to_node(&GET_DEV(inst->accel_dev))); if (unlikely(!buflout)) goto err; bloutp = dma_map_single(dev, buflout, sz, DMA_TO_DEVICE); diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c index 0d59bcb50de..828f2a686aa 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.c +++ b/drivers/crypto/qat/qat_common/qat_crypto.c @@ -109,12 +109,14 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) list_for_each(itr, adf_devmgr_get_head()) { accel_dev = list_entry(itr, struct adf_accel_dev, list); - if (accel_dev->numa_node == node && adf_dev_started(accel_dev)) + if ((node == dev_to_node(&GET_DEV(accel_dev)) || + dev_to_node(&GET_DEV(accel_dev)) < 0) + && adf_dev_started(accel_dev)) break; accel_dev = NULL; } if (!accel_dev) { - pr_err("QAT: Could not find device on give node\n"); + pr_err("QAT: Could not find device on node %d\n", node); accel_dev = adf_devmgr_get_first(); } if (!accel_dev || !adf_dev_started(accel_dev)) @@ -164,7 +166,7 @@ static int qat_crypto_create_instances(struct adf_accel_dev *accel_dev) for (i = 0; i < num_inst; i++) { inst = kzalloc_node(sizeof(*inst), GFP_KERNEL, - accel_dev->numa_node); + dev_to_node(&GET_DEV(accel_dev))); if (!inst) goto err; diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_admin.c b/drivers/crypto/qat/qat_dh895xcc/adf_admin.c index 978d6c56639..53c491b59f0 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_admin.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_admin.c @@ -108,7 +108,7 @@ int adf_init_admin_comms(struct adf_accel_dev *accel_dev) uint64_t reg_val; admin = kzalloc_node(sizeof(*accel_dev->admin), GFP_KERNEL, - accel_dev->numa_node); + dev_to_node(&GET_DEV(accel_dev))); if (!admin) return -ENOMEM; admin->virt_addr = dma_zalloc_coherent(&GET_DEV(accel_dev), PAGE_SIZE, diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c index 0d0435a41be..948f66be262 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c @@ -119,21 +119,6 @@ static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) kfree(accel_dev); } -static uint8_t adf_get_dev_node_id(struct pci_dev *pdev) -{ - unsigned int bus_per_cpu = 0; - struct cpuinfo_x86 *c = &cpu_data(num_online_cpus() - 1); - - if (!c->phys_proc_id) - return 0; - - bus_per_cpu = 256 / (c->phys_proc_id + 1); - - if (bus_per_cpu != 0) - return pdev->bus->number / bus_per_cpu; - return 0; -} - static int qat_dev_start(struct adf_accel_dev *accel_dev) { int cpus = num_online_cpus(); @@ -235,7 +220,6 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) void __iomem *pmisc_bar_addr = NULL; char name[ADF_DEVICE_NAME_LENGTH]; unsigned int i, bar_nr; - uint8_t node; int ret; switch (ent->device) { @@ -246,12 +230,19 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return -ENODEV; } - node = adf_get_dev_node_id(pdev); - accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL, node); + if (num_possible_nodes() > 1 && dev_to_node(&pdev->dev) < 0) { + /* If the accelerator is connected to a node with no memory + * there is no point in using the accelerator since the remote + * memory transaction will be very slow. */ + dev_err(&pdev->dev, "Invalid NUMA configuration.\n"); + return -EINVAL; + } + + accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL, + dev_to_node(&pdev->dev)); if (!accel_dev) return -ENOMEM; - accel_dev->numa_node = node; INIT_LIST_HEAD(&accel_dev->crypto_list); /* Add accel device to accel table. @@ -264,7 +255,8 @@ static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) accel_dev->owner = THIS_MODULE; /* Allocate and configure device configuration structure */ - hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL, node); + hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL, + dev_to_node(&pdev->dev)); if (!hw_data) { ret = -ENOMEM; goto out_err; diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_isr.c b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c index 67ec61e5118..d96ee21b9b7 100644 --- a/drivers/crypto/qat/qat_dh895xcc/adf_isr.c +++ b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c @@ -168,7 +168,7 @@ static int adf_isr_alloc_msix_entry_table(struct adf_accel_dev *accel_dev) uint32_t msix_num_entries = hw_data->num_banks + 1; entries = kzalloc_node(msix_num_entries * sizeof(*entries), - GFP_KERNEL, accel_dev->numa_node); + GFP_KERNEL, dev_to_node(&GET_DEV(accel_dev))); if (!entries) return -ENOMEM; diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index 5d997a33907..2a3973a7c44 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -1637,8 +1637,7 @@ static int dispatch_ioctl(struct client *client, _IOC_SIZE(cmd) > sizeof(buffer)) return -ENOTTY; - if (_IOC_DIR(cmd) == _IOC_READ) - memset(&buffer, 0, _IOC_SIZE(cmd)); + memset(&buffer, 0, sizeof(buffer)); if (_IOC_DIR(cmd) & _IOC_WRITE) if (copy_from_user(&buffer, arg, _IOC_SIZE(cmd))) diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index c57466edf45..e5c4c6c8c96 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -495,6 +495,12 @@ static struct component_match *exynos_drm_match_add(struct device *dev) mutex_lock(&drm_component_lock); + /* Do not retry to probe if there is no any kms driver regitered. */ + if (list_empty(&drm_component_list)) { + mutex_unlock(&drm_component_lock); + return ERR_PTR(-ENODEV); + } + list_for_each_entry(cdev, &drm_component_list, list) { /* * Add components to master only in case that crtc and @@ -585,10 +591,21 @@ static int exynos_drm_platform_probe(struct platform_device *pdev) goto err_unregister_mixer_drv; #endif + match = exynos_drm_match_add(&pdev->dev); + if (IS_ERR(match)) { + ret = PTR_ERR(match); + goto err_unregister_hdmi_drv; + } + + ret = component_master_add_with_match(&pdev->dev, &exynos_drm_ops, + match); + if (ret < 0) + goto err_unregister_hdmi_drv; + #ifdef CONFIG_DRM_EXYNOS_G2D ret = platform_driver_register(&g2d_driver); if (ret < 0) - goto err_unregister_hdmi_drv; + goto err_del_component_master; #endif #ifdef CONFIG_DRM_EXYNOS_FIMC @@ -619,23 +636,9 @@ static int exynos_drm_platform_probe(struct platform_device *pdev) goto err_unregister_ipp_drv; #endif - match = exynos_drm_match_add(&pdev->dev); - if (IS_ERR(match)) { - ret = PTR_ERR(match); - goto err_unregister_resources; - } - - ret = component_master_add_with_match(&pdev->dev, &exynos_drm_ops, - match); - if (ret < 0) - goto err_unregister_resources; - return ret; -err_unregister_resources: - #ifdef CONFIG_DRM_EXYNOS_IPP - exynos_platform_device_ipp_unregister(); err_unregister_ipp_drv: platform_driver_unregister(&ipp_driver); err_unregister_gsc_drv: @@ -658,9 +661,11 @@ err_unregister_g2d_drv: #ifdef CONFIG_DRM_EXYNOS_G2D platform_driver_unregister(&g2d_driver); -err_unregister_hdmi_drv: +err_del_component_master: #endif + component_master_del(&pdev->dev, &exynos_drm_ops); +err_unregister_hdmi_drv: #ifdef CONFIG_DRM_EXYNOS_HDMI platform_driver_unregister(&hdmi_driver); err_unregister_mixer_drv: @@ -741,6 +746,18 @@ static int exynos_drm_init(void) { int ret; + /* + * Register device object only in case of Exynos SoC. + * + * Below codes resolves temporarily infinite loop issue incurred + * by Exynos drm driver when using multi-platform kernel. + * So these codes will be replaced with more generic way later. + */ + if (!of_machine_is_compatible("samsung,exynos3") && + !of_machine_is_compatible("samsung,exynos4") && + !of_machine_is_compatible("samsung,exynos5")) + return -ENODEV; + exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1, NULL, 0); if (IS_ERR(exynos_drm_pdev)) diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index df7a77d3eff..6ff8599f6cb 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -302,9 +302,12 @@ static void g2d_fini_cmdlist(struct g2d_data *g2d) struct exynos_drm_subdrv *subdrv = &g2d->subdrv; kfree(g2d->cmdlist_node); - dma_free_attrs(subdrv->drm_dev->dev, G2D_CMDLIST_POOL_SIZE, - g2d->cmdlist_pool_virt, - g2d->cmdlist_pool, &g2d->cmdlist_dma_attrs); + + if (g2d->cmdlist_pool_virt && g2d->cmdlist_pool) { + dma_free_attrs(subdrv->drm_dev->dev, G2D_CMDLIST_POOL_SIZE, + g2d->cmdlist_pool_virt, + g2d->cmdlist_pool, &g2d->cmdlist_dma_attrs); + } } static struct g2d_cmdlist_node *g2d_get_cmdlist(struct g2d_data *g2d) diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 055d5e7fbf1..2318b4c7a8f 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -986,6 +986,15 @@ static int i915_pm_freeze(struct device *dev) return i915_drm_freeze(drm_dev); } +static int i915_pm_freeze_late(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct drm_i915_private *dev_priv = drm_dev->dev_private; + + return intel_suspend_complete(dev_priv); +} + static int i915_pm_thaw_early(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -1570,6 +1579,7 @@ static const struct dev_pm_ops i915_pm_ops = { .resume_early = i915_pm_resume_early, .resume = i915_pm_resume, .freeze = i915_pm_freeze, + .freeze_late = i915_pm_freeze_late, .thaw_early = i915_pm_thaw_early, .thaw = i915_pm_thaw, .poweroff = i915_pm_poweroff, diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index b672b843fd5..728938f0234 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1902,6 +1902,22 @@ static void bdw_setup_private_ppat(struct drm_i915_private *dev_priv) GEN8_PPAT(6, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(2)) | GEN8_PPAT(7, GEN8_PPAT_WB | GEN8_PPAT_LLCELLC | GEN8_PPAT_AGE(3)); + if (!USES_PPGTT(dev_priv->dev)) + /* Spec: "For GGTT, there is NO pat_sel[2:0] from the entry, + * so RTL will always use the value corresponding to + * pat_sel = 000". + * So let's disable cache for GGTT to avoid screen corruptions. + * MOCS still can be used though. + * - System agent ggtt writes (i.e. cpu gtt mmaps) already work + * before this patch, i.e. the same uncached + snooping access + * like on gen6/7 seems to be in effect. + * - So this just fixes blitter/render access. Again it looks + * like it's not just uncached access, but uncached + snooping. + * So we can still hold onto all our assumptions wrt cpu + * clflushing on LLC machines. + */ + pat = GEN8_PPAT(0, GEN8_PPAT_UC); + /* XXX: spec defines this as 2 distinct registers. It's unclear if a 64b * write would work. */ I915_WRITE(GEN8_PRIVATE_PAT, pat); diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index 2cefb597df6..2b1eaa29ada 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -364,22 +364,9 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, * has to also include the unfenced register the GPU uses * whilst executing a fenced command for an untiled object. */ - - obj->map_and_fenceable = - !i915_gem_obj_ggtt_bound(obj) || - (i915_gem_obj_ggtt_offset(obj) + - obj->base.size <= dev_priv->gtt.mappable_end && - i915_gem_object_fence_ok(obj, args->tiling_mode)); - - /* Rebind if we need a change of alignment */ - if (!obj->map_and_fenceable) { - u32 unfenced_align = - i915_gem_get_gtt_alignment(dev, obj->base.size, - args->tiling_mode, - false); - if (i915_gem_obj_ggtt_offset(obj) & (unfenced_align - 1)) - ret = i915_gem_object_ggtt_unbind(obj); - } + if (obj->map_and_fenceable && + !i915_gem_object_fence_ok(obj, args->tiling_mode)) + ret = i915_gem_object_ggtt_unbind(obj); if (ret == 0) { obj->fence_dirty = diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 0e018cb4914..41b3be21749 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -1098,12 +1098,25 @@ static u32 get_backlight_min_vbt(struct intel_connector *connector) struct drm_device *dev = connector->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_panel *panel = &connector->panel; + int min; WARN_ON(panel->backlight.max == 0); + /* + * XXX: If the vbt value is 255, it makes min equal to max, which leads + * to problems. There are such machines out there. Either our + * interpretation is wrong or the vbt has bogus data. Or both. Safeguard + * against this by letting the minimum be at most (arbitrarily chosen) + * 25% of the max. + */ + min = clamp_t(int, dev_priv->vbt.backlight.min_brightness, 0, 64); + if (min != dev_priv->vbt.backlight.min_brightness) { + DRM_DEBUG_KMS("clamping VBT min backlight %d/255 to %d/255\n", + dev_priv->vbt.backlight.min_brightness, min); + } + /* vbt value is a coefficient in range [0..255] */ - return scale(dev_priv->vbt.backlight.min_brightness, 0, 255, - 0, panel->backlight.max); + return scale(min, 0, 255, 0, panel->backlight.max); } static int bdw_setup_backlight(struct intel_connector *connector) diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/gk20a.c b/drivers/gpu/drm/nouveau/core/subdev/fb/gk20a.c index a16024a7477..fde42e4d1b5 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/gk20a.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/gk20a.c @@ -27,6 +27,20 @@ struct gk20a_fb_priv { }; static int +gk20a_fb_init(struct nouveau_object *object) +{ + struct gk20a_fb_priv *priv = (void *)object; + int ret; + + ret = nouveau_fb_init(&priv->base); + if (ret) + return ret; + + nv_mask(priv, 0x100c80, 0x00000001, 0x00000000); /* 128KiB lpg */ + return 0; +} + +static int gk20a_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_oclass *oclass, void *data, u32 size, struct nouveau_object **pobject) @@ -48,7 +62,7 @@ gk20a_fb_oclass = &(struct nouveau_fb_impl) { .base.ofuncs = &(struct nouveau_ofuncs) { .ctor = gk20a_fb_ctor, .dtor = _nouveau_fb_dtor, - .init = _nouveau_fb_init, + .init = gk20a_fb_init, .fini = _nouveau_fb_fini, }, .memtype = nvc0_fb_memtype_valid, diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index ae873d1a8d4..eb8b36714fa 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -791,6 +791,22 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update) } static int +nv50_crtc_set_raster_vblank_dmi(struct nouveau_crtc *nv_crtc, u32 usec) +{ + struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev); + u32 *push; + + push = evo_wait(mast, 8); + if (!push) + return -ENOMEM; + + evo_mthd(push, 0x0828 + (nv_crtc->index * 0x400), 1); + evo_data(push, usec); + evo_kick(push, mast); + return 0; +} + +static int nv50_crtc_set_color_vibrance(struct nouveau_crtc *nv_crtc, bool update) { struct nv50_mast *mast = nv50_mast(nv_crtc->base.dev); @@ -1104,14 +1120,14 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode, evo_mthd(push, 0x0804 + (nv_crtc->index * 0x400), 2); evo_data(push, 0x00800000 | mode->clock); evo_data(push, (ilace == 2) ? 2 : 0); - evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 8); + evo_mthd(push, 0x0810 + (nv_crtc->index * 0x400), 6); evo_data(push, 0x00000000); evo_data(push, (vactive << 16) | hactive); evo_data(push, ( vsynce << 16) | hsynce); evo_data(push, (vblanke << 16) | hblanke); evo_data(push, (vblanks << 16) | hblanks); evo_data(push, (vblan2e << 16) | vblan2s); - evo_data(push, vblankus); + evo_mthd(push, 0x082c + (nv_crtc->index * 0x400), 1); evo_data(push, 0x00000000); evo_mthd(push, 0x0900 + (nv_crtc->index * 0x400), 2); evo_data(push, 0x00000311); @@ -1141,6 +1157,11 @@ nv50_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode, nv_connector = nouveau_crtc_connector_get(nv_crtc); nv50_crtc_set_dither(nv_crtc, false); nv50_crtc_set_scale(nv_crtc, false); + + /* G94 only accepts this after setting scale */ + if (nv50_vers(mast) < GF110_DISP_CORE_CHANNEL_DMA) + nv50_crtc_set_raster_vblank_dmi(nv_crtc, vblankus); + nv50_crtc_set_color_vibrance(nv_crtc, false); nv50_crtc_set_image(nv_crtc, crtc->primary->fb, x, y, false); return 0; diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index 15da7ef344a..ec1593a6a56 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -1217,7 +1217,7 @@ free: return ret; } -int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) +int atom_execute_table_scratch_unlocked(struct atom_context *ctx, int index, uint32_t * params) { int r; @@ -1238,6 +1238,15 @@ int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) return r; } +int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params) +{ + int r; + mutex_lock(&ctx->scratch_mutex); + r = atom_execute_table_scratch_unlocked(ctx, index, params); + mutex_unlock(&ctx->scratch_mutex); + return r; +} + static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 }; static void atom_index_iio(struct atom_context *ctx, int base) diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h index feba6b8d36b..6d014ddb6b7 100644 --- a/drivers/gpu/drm/radeon/atom.h +++ b/drivers/gpu/drm/radeon/atom.h @@ -125,6 +125,7 @@ struct card_info { struct atom_context { struct card_info *card; struct mutex mutex; + struct mutex scratch_mutex; void *bios; uint32_t cmd_table, data_table; uint16_t *iio; @@ -145,6 +146,7 @@ extern int atom_debug; struct atom_context *atom_parse(struct card_info *, void *); int atom_execute_table(struct atom_context *, int, uint32_t *); +int atom_execute_table_scratch_unlocked(struct atom_context *, int, uint32_t *); int atom_asic_init(struct atom_context *); void atom_destroy(struct atom_context *); bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index 95d5d4ab333..11ba9d21b89 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -100,6 +100,7 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan, memset(&args, 0, sizeof(args)); mutex_lock(&chan->mutex); + mutex_lock(&rdev->mode_info.atom_context->scratch_mutex); base = (unsigned char *)(rdev->mode_info.atom_context->scratch + 1); @@ -113,7 +114,7 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan, if (ASIC_IS_DCE4(rdev)) args.v2.ucHPD_ID = chan->rec.hpd; - atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + atom_execute_table_scratch_unlocked(rdev->mode_info.atom_context, index, (uint32_t *)&args); *ack = args.v1.ucReplyStatus; @@ -147,6 +148,7 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan, r = recv_bytes; done: + mutex_unlock(&rdev->mode_info.atom_context->scratch_mutex); mutex_unlock(&chan->mutex); return r; diff --git a/drivers/gpu/drm/radeon/atombios_i2c.c b/drivers/gpu/drm/radeon/atombios_i2c.c index 9c570fb15b8..4157780585a 100644 --- a/drivers/gpu/drm/radeon/atombios_i2c.c +++ b/drivers/gpu/drm/radeon/atombios_i2c.c @@ -48,6 +48,7 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan, memset(&args, 0, sizeof(args)); mutex_lock(&chan->mutex); + mutex_lock(&rdev->mode_info.atom_context->scratch_mutex); base = (unsigned char *)rdev->mode_info.atom_context->scratch; @@ -82,7 +83,7 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan, args.ucSlaveAddr = slave_addr << 1; args.ucLineNumber = chan->rec.i2c_id; - atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + atom_execute_table_scratch_unlocked(rdev->mode_info.atom_context, index, (uint32_t *)&args); /* error */ if (args.ucStatus != HW_ASSISTED_I2C_STATUS_SUCCESS) { @@ -95,6 +96,7 @@ static int radeon_process_i2c_ch(struct radeon_i2c_chan *chan, radeon_atom_copy_swap(buf, base, num, false); done: + mutex_unlock(&rdev->mode_info.atom_context->scratch_mutex); mutex_unlock(&chan->mutex); return r; diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 377afa504d2..89c01fa6dd8 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -4313,8 +4313,8 @@ static int cik_cp_gfx_start(struct radeon_device *rdev) /* init the CE partitions. CE only used for gfx on CIK */ radeon_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2)); radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE)); - radeon_ring_write(ring, 0xc000); - radeon_ring_write(ring, 0xc000); + radeon_ring_write(ring, 0x8000); + radeon_ring_write(ring, 0x8000); /* setup clear context state */ radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); @@ -9447,6 +9447,9 @@ void dce8_bandwidth_update(struct radeon_device *rdev) u32 num_heads = 0, lb_size; int i; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); for (i = 0; i < rdev->num_crtc; i++) { diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c index 4e8432d07f1..d748963af08 100644 --- a/drivers/gpu/drm/radeon/cik_sdma.c +++ b/drivers/gpu/drm/radeon/cik_sdma.c @@ -667,17 +667,20 @@ int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) { struct radeon_ib ib; unsigned i; + unsigned index; int r; - void __iomem *ptr = (void *)rdev->vram_scratch.ptr; u32 tmp = 0; + u64 gpu_addr; - if (!ptr) { - DRM_ERROR("invalid vram scratch pointer\n"); - return -EINVAL; - } + if (ring->idx == R600_RING_TYPE_DMA_INDEX) + index = R600_WB_DMA_RING_TEST_OFFSET; + else + index = CAYMAN_WB_DMA1_RING_TEST_OFFSET; + + gpu_addr = rdev->wb.gpu_addr + index; tmp = 0xCAFEDEAD; - writel(tmp, ptr); + rdev->wb.wb[index/4] = cpu_to_le32(tmp); r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); if (r) { @@ -686,8 +689,8 @@ int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) } ib.ptr[0] = SDMA_PACKET(SDMA_OPCODE_WRITE, SDMA_WRITE_SUB_OPCODE_LINEAR, 0); - ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc; - ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr); + ib.ptr[1] = lower_32_bits(gpu_addr); + ib.ptr[2] = upper_32_bits(gpu_addr); ib.ptr[3] = 1; ib.ptr[4] = 0xDEADBEEF; ib.length_dw = 5; @@ -704,7 +707,7 @@ int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) return r; } for (i = 0; i < rdev->usec_timeout; i++) { - tmp = readl(ptr); + tmp = le32_to_cpu(rdev->wb.wb[index/4]); if (tmp == 0xDEADBEEF) break; DRM_UDELAY(1); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f37d39d2bbb..85995b4e333 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2345,6 +2345,9 @@ void evergreen_bandwidth_update(struct radeon_device *rdev) u32 num_heads = 0, lb_size; int i; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); for (i = 0; i < rdev->num_crtc; i++) { @@ -2552,6 +2555,7 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } } else { tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 10f8be0ee17..b53b31a7b76 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -3207,6 +3207,9 @@ void r100_bandwidth_update(struct radeon_device *rdev) uint32_t pixel_bytes1 = 0; uint32_t pixel_bytes2 = 0; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); if (rdev->mode_info.crtcs[0]->base.enabled) { diff --git a/drivers/gpu/drm/radeon/r600_dma.c b/drivers/gpu/drm/radeon/r600_dma.c index aabc343b9a8..cf0df45d455 100644 --- a/drivers/gpu/drm/radeon/r600_dma.c +++ b/drivers/gpu/drm/radeon/r600_dma.c @@ -338,17 +338,17 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) { struct radeon_ib ib; unsigned i; + unsigned index; int r; - void __iomem *ptr = (void *)rdev->vram_scratch.ptr; u32 tmp = 0; + u64 gpu_addr; - if (!ptr) { - DRM_ERROR("invalid vram scratch pointer\n"); - return -EINVAL; - } + if (ring->idx == R600_RING_TYPE_DMA_INDEX) + index = R600_WB_DMA_RING_TEST_OFFSET; + else + index = CAYMAN_WB_DMA1_RING_TEST_OFFSET; - tmp = 0xCAFEDEAD; - writel(tmp, ptr); + gpu_addr = rdev->wb.gpu_addr + index; r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256); if (r) { @@ -357,8 +357,8 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) } ib.ptr[0] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1); - ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc; - ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff; + ib.ptr[1] = lower_32_bits(gpu_addr); + ib.ptr[2] = upper_32_bits(gpu_addr) & 0xff; ib.ptr[3] = 0xDEADBEEF; ib.length_dw = 4; @@ -374,7 +374,7 @@ int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) return r; } for (i = 0; i < rdev->usec_timeout; i++) { - tmp = readl(ptr); + tmp = le32_to_cpu(rdev->wb.wb[index/4]); if (tmp == 0xDEADBEEF) break; DRM_UDELAY(1); diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index ea2676954dd..995a8b1770d 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -952,6 +952,7 @@ int radeon_atombios_init(struct radeon_device *rdev) } mutex_init(&rdev->mode_info.atom_context->mutex); + mutex_init(&rdev->mode_info.atom_context->scratch_mutex); radeon_atom_initialize_bios_scratch_regs(rdev->ddev); atom_allocate_fb_scratch(rdev->mode_info.atom_context); return 0; diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 5f6db4629aa..9acb1c3c005 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -879,6 +879,9 @@ void rs600_bandwidth_update(struct radeon_device *rdev) u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt; /* FIXME: implement full support */ + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); if (rdev->mode_info.crtcs[0]->base.enabled) diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 3462b64369b..0a2d36e8110 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -579,6 +579,9 @@ void rs690_bandwidth_update(struct radeon_device *rdev) u32 d1mode_priority_a_cnt, d1mode_priority_b_cnt; u32 d2mode_priority_a_cnt, d2mode_priority_b_cnt; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); if (rdev->mode_info.crtcs[0]->base.enabled) diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index 8a477bf1fdb..c55d653aaf5 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -1277,6 +1277,9 @@ void rv515_bandwidth_update(struct radeon_device *rdev) struct drm_display_mode *mode0 = NULL; struct drm_display_mode *mode1 = NULL; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); if (rdev->mode_info.crtcs[0]->base.enabled) diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index eeea5b6a177..7d5083dc4ac 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2384,6 +2384,9 @@ void dce6_bandwidth_update(struct radeon_device *rdev) u32 num_heads = 0, lb_size; int i; + if (!rdev->mode_info.mode_config_initialized) + return; + radeon_update_display_priority(rdev); for (i = 0; i < rdev->num_crtc; i++) { diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 6553fd23868..054a79f143a 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -736,7 +736,6 @@ static const struct drm_crtc_funcs tegra_crtc_funcs = { static void tegra_crtc_disable(struct drm_crtc *crtc) { - struct tegra_dc *dc = to_tegra_dc(crtc); struct drm_device *drm = crtc->dev; struct drm_plane *plane; @@ -752,7 +751,7 @@ static void tegra_crtc_disable(struct drm_crtc *crtc) } } - drm_vblank_off(drm, dc->pipe); + drm_crtc_vblank_off(crtc); } static bool tegra_crtc_mode_fixup(struct drm_crtc *crtc, @@ -841,8 +840,6 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc, u32 value; int err; - drm_vblank_pre_modeset(crtc->dev, dc->pipe); - err = tegra_crtc_setup_clk(crtc, mode); if (err) { dev_err(dc->dev, "failed to setup clock for CRTC: %d\n", err); @@ -896,6 +893,8 @@ static void tegra_crtc_prepare(struct drm_crtc *crtc) unsigned int syncpt; unsigned long value; + drm_crtc_vblank_off(crtc); + /* hardware initialization */ reset_control_deassert(dc->rst); usleep_range(10000, 20000); @@ -943,7 +942,7 @@ static void tegra_crtc_commit(struct drm_crtc *crtc) value = GENERAL_ACT_REQ | WIN_A_ACT_REQ; tegra_dc_writel(dc, value, DC_CMD_STATE_CONTROL); - drm_vblank_post_modeset(crtc->dev, dc->pipe); + drm_crtc_vblank_on(crtc); } static void tegra_crtc_load_lut(struct drm_crtc *crtc) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 73bd9e2e42b..3402033fa52 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1659,6 +1659,7 @@ void hid_disconnect(struct hid_device *hdev) hdev->hiddev_disconnect(hdev); if (hdev->claimed & HID_CLAIMED_HIDRAW) hidraw_disconnect(hdev); + hdev->claimed = 0; } EXPORT_SYMBOL_GPL(hid_disconnect); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index e23ab8b3062..7c863738e41 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -299,6 +299,7 @@ #define USB_VENDOR_ID_ELAN 0x04f3 #define USB_DEVICE_ID_ELAN_TOUCHSCREEN 0x0089 #define USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B 0x009b +#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103 0x0103 #define USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F 0x016f #define USB_VENDOR_ID_ELECOM 0x056e diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 5014bb567b2..552671ee7c5 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -72,6 +72,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B, HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET }, { USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS }, diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c index fcdbde4ec69..3057dfc7e3b 100644 --- a/drivers/hwmon/fam15h_power.c +++ b/drivers/hwmon/fam15h_power.c @@ -234,7 +234,7 @@ static const struct pci_device_id fam15h_power_id_table[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_NB_F4) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M30H_NB_F4) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F4) }, - { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F4) }, {} }; MODULE_DEVICE_TABLE(pci, fam15h_power_id_table); diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c index d2bf2c97ae7..6a30eeea94b 100644 --- a/drivers/hwmon/ibmpowernv.c +++ b/drivers/hwmon/ibmpowernv.c @@ -181,7 +181,7 @@ static int __init populate_attr_groups(struct platform_device *pdev) opal = of_find_node_by_path("/ibm,opal/sensors"); if (!opal) { - dev_err(&pdev->dev, "Opal node 'sensors' not found\n"); + dev_dbg(&pdev->dev, "Opal node 'sensors' not found\n"); return -ENODEV; } @@ -335,7 +335,9 @@ static int __init ibmpowernv_init(void) err = platform_driver_probe(&ibmpowernv_driver, ibmpowernv_probe); if (err) { - pr_err("Platfrom driver probe failed\n"); + if (err != -ENODEV) + pr_err("Platform driver probe failed (%d)\n", err); + goto exit_device_del; } diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c index 823c877a1ec..1991d9032c3 100644 --- a/drivers/hwmon/pwm-fan.c +++ b/drivers/hwmon/pwm-fan.c @@ -161,10 +161,17 @@ static int pwm_fan_suspend(struct device *dev) static int pwm_fan_resume(struct device *dev) { struct pwm_fan_ctx *ctx = dev_get_drvdata(dev); + unsigned long duty; + int ret; - if (ctx->pwm_value) - return pwm_enable(ctx->pwm); - return 0; + if (ctx->pwm_value == 0) + return 0; + + duty = DIV_ROUND_UP(ctx->pwm_value * (ctx->pwm->period - 1), MAX_PWM); + ret = pwm_config(ctx->pwm, duty, ctx->pwm->period); + if (ret) + return ret; + return pwm_enable(ctx->pwm); } #endif diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c index fb3b63b2f85..8400a1a34d8 100644 --- a/drivers/input/misc/twl4030-pwrbutton.c +++ b/drivers/input/misc/twl4030-pwrbutton.c @@ -85,6 +85,7 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, pwr); + device_init_wakeup(&pdev->dev, true); return 0; } diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 2b0ae8cc8e5..d125a019383 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -1156,7 +1156,13 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) { struct alps_data *priv = psmouse->private; - if ((psmouse->packet[0] & 0xc8) == 0x08) { /* PS/2 packet */ + /* + * Check if we are dealing with a bare PS/2 packet, presumably from + * a device connected to the external PS/2 port. Because bare PS/2 + * protocol does not have enough constant bits to self-synchronize + * properly we only do this if the device is fully synchronized. + */ + if (!psmouse->out_of_sync_cnt && (psmouse->packet[0] & 0xc8) == 0x08) { if (psmouse->pktcnt == 3) { alps_report_bare_ps2_packet(psmouse, psmouse->packet, true); @@ -1180,12 +1186,27 @@ static psmouse_ret_t alps_process_byte(struct psmouse *psmouse) } /* Bytes 2 - pktsize should have 0 in the highest bit */ - if ((priv->proto_version < ALPS_PROTO_V5) && + if (priv->proto_version < ALPS_PROTO_V5 && psmouse->pktcnt >= 2 && psmouse->pktcnt <= psmouse->pktsize && (psmouse->packet[psmouse->pktcnt - 1] & 0x80)) { psmouse_dbg(psmouse, "refusing packet[%i] = %x\n", psmouse->pktcnt - 1, psmouse->packet[psmouse->pktcnt - 1]); + + if (priv->proto_version == ALPS_PROTO_V3 && + psmouse->pktcnt == psmouse->pktsize) { + /* + * Some Dell boxes, such as Latitude E6440 or E7440 + * with closed lid, quite often smash last byte of + * otherwise valid packet with 0xff. Given that the + * next packet is very likely to be valid let's + * report PSMOUSE_FULL_PACKET but not process data, + * rather than reporting PSMOUSE_BAD_DATA and + * filling the logs. + */ + return PSMOUSE_FULL_PACKET; + } + return PSMOUSE_BAD_DATA; } @@ -2389,6 +2410,9 @@ int alps_init(struct psmouse *psmouse) /* We are having trouble resyncing ALPS touchpads so disable it for now */ psmouse->resync_time = 0; + /* Allow 2 invalid packets without resetting device */ + psmouse->resetafter = psmouse->pktsize * 2; + return 0; init_fail: diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 06fc6e76ffb..3fcb6b3cb0b 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -563,6 +563,7 @@ static void elantech_input_sync_v4(struct psmouse *psmouse) } else { input_report_key(dev, BTN_LEFT, packet[0] & 0x01); input_report_key(dev, BTN_RIGHT, packet[0] & 0x02); + input_report_key(dev, BTN_MIDDLE, packet[0] & 0x04); } input_mt_report_pointer_emulation(dev, true); @@ -792,6 +793,9 @@ static int elantech_packet_check_v4(struct psmouse *psmouse) unsigned char packet_type = packet[3] & 0x03; bool sanity_check; + if ((packet[3] & 0x0f) == 0x06) + return PACKET_TRACKPOINT; + /* * Sanity check based on the constant bits of a packet. * The constant bits change depending on the value of @@ -877,10 +881,19 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse) case 4: packet_type = elantech_packet_check_v4(psmouse); - if (packet_type == PACKET_UNKNOWN) + switch (packet_type) { + case PACKET_UNKNOWN: return PSMOUSE_BAD_DATA; - elantech_report_absolute_v4(psmouse, packet_type); + case PACKET_TRACKPOINT: + elantech_report_trackpoint(psmouse, packet_type); + break; + + default: + elantech_report_absolute_v4(psmouse, packet_type); + break; + } + break; } @@ -1120,6 +1133,22 @@ static void elantech_set_buttonpad_prop(struct psmouse *psmouse) } /* + * Some hw_version 4 models do have a middle button + */ +static const struct dmi_system_id elantech_dmi_has_middle_button[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + /* Fujitsu H730 has a middle button */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "CELSIUS H730"), + }, + }, +#endif + { } +}; + +/* * Set the appropriate event bits for the input subsystem */ static int elantech_set_input_params(struct psmouse *psmouse) @@ -1138,6 +1167,8 @@ static int elantech_set_input_params(struct psmouse *psmouse) __clear_bit(EV_REL, dev->evbit); __set_bit(BTN_LEFT, dev->keybit); + if (dmi_check_system(elantech_dmi_has_middle_button)) + __set_bit(BTN_MIDDLE, dev->keybit); __set_bit(BTN_RIGHT, dev->keybit); __set_bit(BTN_TOUCH, dev->keybit); @@ -1299,6 +1330,7 @@ ELANTECH_INT_ATTR(reg_25, 0x25); ELANTECH_INT_ATTR(reg_26, 0x26); ELANTECH_INT_ATTR(debug, 0); ELANTECH_INT_ATTR(paritycheck, 0); +ELANTECH_INT_ATTR(crc_enabled, 0); static struct attribute *elantech_attrs[] = { &psmouse_attr_reg_07.dattr.attr, @@ -1313,6 +1345,7 @@ static struct attribute *elantech_attrs[] = { &psmouse_attr_reg_26.dattr.attr, &psmouse_attr_debug.dattr.attr, &psmouse_attr_paritycheck.dattr.attr, + &psmouse_attr_crc_enabled.dattr.attr, NULL }; @@ -1439,6 +1472,22 @@ static int elantech_reconnect(struct psmouse *psmouse) } /* + * Some hw_version 4 models do not work with crc_disabled + */ +static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + /* Fujitsu H730 does not work with crc_enabled == 0 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "CELSIUS H730"), + }, + }, +#endif + { } +}; + +/* * Some hw_version 3 models go into error state when we try to set * bit 3 and/or bit 1 of r10. */ @@ -1513,7 +1562,8 @@ static int elantech_set_properties(struct elantech_data *etd) * The signatures of v3 and v4 packets change depending on the * value of this hardware flag. */ - etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000); + etd->crc_enabled = (etd->fw_version & 0x4000) == 0x4000 || + dmi_check_system(elantech_dmi_force_crc_enabled); /* Enable real hardware resolution on hw_version 3 ? */ etd->set_hw_resolution = !dmi_check_system(no_hw_res_dmi_table); diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 9031a0a28ea..2a7a9174c70 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -135,8 +135,8 @@ static const struct min_max_quirk min_max_pnpid_table[] = { 1232, 5710, 1156, 4696 }, { - (const char * const []){"LEN0034", "LEN0036", "LEN2002", - "LEN2004", NULL}, + (const char * const []){"LEN0034", "LEN0036", "LEN0039", + "LEN2002", "LEN2004", NULL}, 1024, 5112, 2024, 4832 }, { @@ -163,6 +163,7 @@ static const char * const topbuttonpad_pnp_ids[] = { "LEN0036", /* T440 */ "LEN0037", "LEN0038", + "LEN0039", /* T440s */ "LEN0041", "LEN0042", /* Yoga */ "LEN0045", diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 825ca1f8763..afe79719ea3 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1434,9 +1434,9 @@ static void drop_buffers(struct dm_bufio_client *c) /* * Test if the buffer is unused and too old, and commit it. - * At if noio is set, we must not do any I/O because we hold - * dm_bufio_clients_lock and we would risk deadlock if the I/O gets rerouted to - * different bufio client. + * And if GFP_NOFS is used, we must not do any I/O because we hold + * dm_bufio_clients_lock and we would risk deadlock if the I/O gets + * rerouted to different bufio client. */ static int __cleanup_old_buffer(struct dm_buffer *b, gfp_t gfp, unsigned long max_jiffies) @@ -1444,7 +1444,7 @@ static int __cleanup_old_buffer(struct dm_buffer *b, gfp_t gfp, if (jiffies - b->last_accessed < max_jiffies) return 0; - if (!(gfp & __GFP_IO)) { + if (!(gfp & __GFP_FS)) { if (test_bit(B_READING, &b->state) || test_bit(B_WRITING, &b->state) || test_bit(B_DIRTY, &b->state)) @@ -1486,7 +1486,7 @@ dm_bufio_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) unsigned long freed; c = container_of(shrink, struct dm_bufio_client, shrinker); - if (sc->gfp_mask & __GFP_IO) + if (sc->gfp_mask & __GFP_FS) dm_bufio_lock(c); else if (!dm_bufio_trylock(c)) return SHRINK_STOP; @@ -1503,7 +1503,7 @@ dm_bufio_shrink_count(struct shrinker *shrink, struct shrink_control *sc) unsigned long count; c = container_of(shrink, struct dm_bufio_client, shrinker); - if (sc->gfp_mask & __GFP_IO) + if (sc->gfp_mask & __GFP_FS) dm_bufio_lock(c); else if (!dm_bufio_trylock(c)) return 0; diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 4857fa4a548..07c0fa0fa28 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -789,8 +789,7 @@ struct dm_raid_superblock { __le32 layout; __le32 stripe_sectors; - __u8 pad[452]; /* Round struct to 512 bytes. */ - /* Always set to 0 when writing. */ + /* Remainder of a logical block is zero-filled when writing (see super_sync()). */ } __packed; static int read_disk_sb(struct md_rdev *rdev, int size) @@ -827,7 +826,7 @@ static void super_sync(struct mddev *mddev, struct md_rdev *rdev) test_bit(Faulty, &(rs->dev[i].rdev.flags))) failed_devices |= (1ULL << i); - memset(sb, 0, sizeof(*sb)); + memset(sb + 1, 0, rdev->sb_size - sizeof(*sb)); sb->magic = cpu_to_le32(DM_RAID_MAGIC); sb->features = cpu_to_le32(0); /* No features yet */ @@ -862,7 +861,11 @@ static int super_load(struct md_rdev *rdev, struct md_rdev *refdev) uint64_t events_sb, events_refsb; rdev->sb_start = 0; - rdev->sb_size = sizeof(*sb); + rdev->sb_size = bdev_logical_block_size(rdev->meta_bdev); + if (rdev->sb_size < sizeof(*sb) || rdev->sb_size > PAGE_SIZE) { + DMERR("superblock size of a logical block is no longer valid"); + return -EINVAL; + } ret = read_disk_sb(rdev, rdev->sb_size); if (ret) @@ -1169,8 +1172,12 @@ static void configure_discard_support(struct dm_target *ti, struct raid_set *rs) raid456 = (rs->md.level == 4 || rs->md.level == 5 || rs->md.level == 6); for (i = 0; i < rs->md.raid_disks; i++) { - struct request_queue *q = bdev_get_queue(rs->dev[i].rdev.bdev); + struct request_queue *q; + + if (!rs->dev[i].rdev.bdev) + continue; + q = bdev_get_queue(rs->dev[i].rdev.bdev); if (!q || !blk_queue_discard(q)) return; diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index d1600d2aa2e..f8b37d4c05d 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -159,8 +159,10 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) sc->stripes_shift = __ffs(stripes); r = dm_set_target_max_io_len(ti, chunk_size); - if (r) + if (r) { + kfree(sc); return r; + } ti->num_flush_bios = stripes; ti->num_discard_bios = stripes; diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 4843801173f..0f86d802b53 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1936,6 +1936,14 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_SUBMITTED; } + /* + * We must hold the virtual cell before doing the lookup, otherwise + * there's a race with discard. + */ + build_virtual_key(tc->td, block, &key); + if (dm_bio_detain(tc->pool->prison, &key, bio, &cell1, &cell_result)) + return DM_MAPIO_SUBMITTED; + r = dm_thin_find_block(td, block, 0, &result); /* @@ -1959,13 +1967,10 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) * shared flag will be set in their case. */ thin_defer_bio(tc, bio); + cell_defer_no_holder_no_free(tc, &cell1); return DM_MAPIO_SUBMITTED; } - build_virtual_key(tc->td, block, &key); - if (dm_bio_detain(tc->pool->prison, &key, bio, &cell1, &cell_result)) - return DM_MAPIO_SUBMITTED; - build_data_key(tc->td, result.block, &key); if (dm_bio_detain(tc->pool->prison, &key, bio, &cell2, &cell_result)) { cell_defer_no_holder_no_free(tc, &cell1); @@ -1986,6 +1991,7 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) * of doing so. */ handle_unserviceable_bio(tc->pool, bio); + cell_defer_no_holder_no_free(tc, &cell1); return DM_MAPIO_SUBMITTED; } /* fall through */ @@ -1996,6 +2002,7 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) * provide the hint to load the metadata into cache. */ thin_defer_bio(tc, bio); + cell_defer_no_holder_no_free(tc, &cell1); return DM_MAPIO_SUBMITTED; default: @@ -2005,6 +2012,7 @@ static int thin_bio_map(struct dm_target *ti, struct bio *bio) * pool is switched to fail-io mode. */ bio_io_error(bio); + cell_defer_no_holder_no_free(tc, &cell1); return DM_MAPIO_SUBMITTED; } } diff --git a/drivers/md/persistent-data/dm-btree-internal.h b/drivers/md/persistent-data/dm-btree-internal.h index 37d367bb9aa..bf2b80d5c47 100644 --- a/drivers/md/persistent-data/dm-btree-internal.h +++ b/drivers/md/persistent-data/dm-btree-internal.h @@ -42,6 +42,12 @@ struct btree_node { } __packed; +/* + * Locks a block using the btree node validator. + */ +int bn_read_lock(struct dm_btree_info *info, dm_block_t b, + struct dm_block **result); + void inc_children(struct dm_transaction_manager *tm, struct btree_node *n, struct dm_btree_value_type *vt); diff --git a/drivers/md/persistent-data/dm-btree-spine.c b/drivers/md/persistent-data/dm-btree-spine.c index cf9fd676ae4..1b5e13ec7f9 100644 --- a/drivers/md/persistent-data/dm-btree-spine.c +++ b/drivers/md/persistent-data/dm-btree-spine.c @@ -92,7 +92,7 @@ struct dm_block_validator btree_node_validator = { /*----------------------------------------------------------------*/ -static int bn_read_lock(struct dm_btree_info *info, dm_block_t b, +int bn_read_lock(struct dm_btree_info *info, dm_block_t b, struct dm_block **result) { return dm_tm_read_lock(info->tm, b, &btree_node_validator, result); diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 416060c2570..200ac12a1d4 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -847,22 +847,26 @@ EXPORT_SYMBOL_GPL(dm_btree_find_lowest_key); * FIXME: We shouldn't use a recursive algorithm when we have limited stack * space. Also this only works for single level trees. */ -static int walk_node(struct ro_spine *s, dm_block_t block, +static int walk_node(struct dm_btree_info *info, dm_block_t block, int (*fn)(void *context, uint64_t *keys, void *leaf), void *context) { int r; unsigned i, nr; + struct dm_block *node; struct btree_node *n; uint64_t keys; - r = ro_step(s, block); - n = ro_node(s); + r = bn_read_lock(info, block, &node); + if (r) + return r; + + n = dm_block_data(node); nr = le32_to_cpu(n->header.nr_entries); for (i = 0; i < nr; i++) { if (le32_to_cpu(n->header.flags) & INTERNAL_NODE) { - r = walk_node(s, value64(n, i), fn, context); + r = walk_node(info, value64(n, i), fn, context); if (r) goto out; } else { @@ -874,7 +878,7 @@ static int walk_node(struct ro_spine *s, dm_block_t block, } out: - ro_pop(s); + dm_tm_unlock(info->tm, node); return r; } @@ -882,15 +886,7 @@ int dm_btree_walk(struct dm_btree_info *info, dm_block_t root, int (*fn)(void *context, uint64_t *keys, void *leaf), void *context) { - int r; - struct ro_spine spine; - BUG_ON(info->levels > 1); - - init_ro_spine(&spine, info); - r = walk_node(&spine, root, fn, context); - exit_ro_spine(&spine); - - return r; + return walk_node(info, root, fn, context); } EXPORT_SYMBOL_GPL(dm_btree_walk); diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c index cf008f45968..711773e8e64 100644 --- a/drivers/mfd/max77693.c +++ b/drivers/mfd/max77693.c @@ -240,7 +240,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c, goto err_irq_charger; } - ret = regmap_add_irq_chip(max77693->regmap, max77693->irq, + ret = regmap_add_irq_chip(max77693->regmap_muic, max77693->irq, IRQF_ONESHOT | IRQF_SHARED | IRQF_TRIGGER_FALLING, 0, &max77693_muic_irq_chip, @@ -250,6 +250,17 @@ static int max77693_i2c_probe(struct i2c_client *i2c, goto err_irq_muic; } + /* Unmask interrupts from all blocks in interrupt source register */ + ret = regmap_update_bits(max77693->regmap, + MAX77693_PMIC_REG_INTSRC_MASK, + SRC_IRQ_ALL, (unsigned int)~SRC_IRQ_ALL); + if (ret < 0) { + dev_err(max77693->dev, + "Could not unmask interrupts in INTSRC: %d\n", + ret); + goto err_intsrc; + } + pm_runtime_set_active(max77693->dev); ret = mfd_add_devices(max77693->dev, -1, max77693_devs, @@ -261,6 +272,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c, err_mfd: mfd_remove_devices(max77693->dev); +err_intsrc: regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic); err_irq_muic: regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger); diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index f2643c221d3..30f7ca89a0e 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -947,6 +947,7 @@ static void rtsx_pci_idle_work(struct work_struct *work) mutex_unlock(&pcr->pcr_mutex); } +#ifdef CONFIG_PM static void rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state) { if (pcr->ops->turn_off_led) @@ -961,6 +962,7 @@ static void rtsx_pci_power_off(struct rtsx_pcr *pcr, u8 pm_state) if (pcr->ops->force_power_down) pcr->ops->force_power_down(pcr, pm_state); } +#endif static int rtsx_pci_init_hw(struct rtsx_pcr *pcr) { diff --git a/drivers/mfd/stmpe.h b/drivers/mfd/stmpe.h index 2d045f26f19..bee0abf8204 100644 --- a/drivers/mfd/stmpe.h +++ b/drivers/mfd/stmpe.h @@ -269,7 +269,7 @@ int stmpe_remove(struct stmpe *stmpe); #define STMPE24XX_REG_CHIP_ID 0x80 #define STMPE24XX_REG_IEGPIOR_LSB 0x18 #define STMPE24XX_REG_ISGPIOR_MSB 0x19 -#define STMPE24XX_REG_GPMR_LSB 0xA5 +#define STMPE24XX_REG_GPMR_LSB 0xA4 #define STMPE24XX_REG_GPSR_LSB 0x85 #define STMPE24XX_REG_GPCR_LSB 0x88 #define STMPE24XX_REG_GPDR_LSB 0x8B diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c index cf92a6d1c53..50f9091bcd3 100644 --- a/drivers/mfd/twl4030-power.c +++ b/drivers/mfd/twl4030-power.c @@ -44,6 +44,15 @@ static u8 twl4030_start_script_address = 0x2b; #define PWR_DEVSLP BIT(1) #define PWR_DEVOFF BIT(0) +/* Register bits for CFG_P1_TRANSITION (also for P2 and P3) */ +#define STARTON_SWBUG BIT(7) /* Start on watchdog */ +#define STARTON_VBUS BIT(5) /* Start on VBUS */ +#define STARTON_VBAT BIT(4) /* Start on battery insert */ +#define STARTON_RTC BIT(3) /* Start on RTC */ +#define STARTON_USB BIT(2) /* Start on USB host */ +#define STARTON_CHG BIT(1) /* Start on charger */ +#define STARTON_PWON BIT(0) /* Start on PWRON button */ + #define SEQ_OFFSYNC (1 << 0) #define PHY_TO_OFF_PM_MASTER(p) (p - 0x36) @@ -606,6 +615,44 @@ twl4030_power_configure_resources(const struct twl4030_power_data *pdata) return 0; } +static int twl4030_starton_mask_and_set(u8 bitmask, u8 bitvalues) +{ + u8 regs[3] = { TWL4030_PM_MASTER_CFG_P1_TRANSITION, + TWL4030_PM_MASTER_CFG_P2_TRANSITION, + TWL4030_PM_MASTER_CFG_P3_TRANSITION, }; + u8 val; + int i, err; + + err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, TWL4030_PM_MASTER_KEY_CFG1, + TWL4030_PM_MASTER_PROTECT_KEY); + if (err) + goto relock; + err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, + TWL4030_PM_MASTER_KEY_CFG2, + TWL4030_PM_MASTER_PROTECT_KEY); + if (err) + goto relock; + + for (i = 0; i < sizeof(regs); i++) { + err = twl_i2c_read_u8(TWL_MODULE_PM_MASTER, + &val, regs[i]); + if (err) + break; + val = (~bitmask & val) | (bitmask & bitvalues); + err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, + val, regs[i]); + if (err) + break; + } + + if (err) + pr_err("TWL4030 Register access failed: %i\n", err); + +relock: + return twl_i2c_write_u8(TWL_MODULE_PM_MASTER, 0, + TWL4030_PM_MASTER_PROTECT_KEY); +} + /* * In master mode, start the power off sequence. * After a successful execution, TWL shuts down the power to the SoC @@ -615,6 +662,11 @@ void twl4030_power_off(void) { int err; + /* Disable start on charger or VBUS as it can break poweroff */ + err = twl4030_starton_mask_and_set(STARTON_VBUS | STARTON_CHG, 0); + if (err) + pr_err("TWL4030 Unable to configure start-up\n"); + err = twl_i2c_write_u8(TWL_MODULE_PM_MASTER, PWR_DEVOFF, TWL4030_PM_MASTER_P1_SW_EVENTS); if (err) diff --git a/drivers/mfd/viperboard.c b/drivers/mfd/viperboard.c index e00f5340ed8..3c2b8f9e3c8 100644 --- a/drivers/mfd/viperboard.c +++ b/drivers/mfd/viperboard.c @@ -93,8 +93,9 @@ static int vprbrd_probe(struct usb_interface *interface, version >> 8, version & 0xff, vb->usb_dev->bus->busnum, vb->usb_dev->devnum); - ret = mfd_add_devices(&interface->dev, -1, vprbrd_devs, - ARRAY_SIZE(vprbrd_devs), NULL, 0, NULL); + ret = mfd_add_devices(&interface->dev, PLATFORM_DEVID_AUTO, + vprbrd_devs, ARRAY_SIZE(vprbrd_devs), NULL, 0, + NULL); if (ret != 0) { dev_err(&interface->dev, "Failed to add mfd devices to core."); goto error; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index 63ea1941e97..7ba83ffb08a 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -575,10 +575,24 @@ static void xgene_gmac_tx_disable(struct xgene_enet_pdata *pdata) xgene_enet_wr_mcx_mac(pdata, MAC_CONFIG_1_ADDR, data & ~TX_EN); } -static void xgene_enet_reset(struct xgene_enet_pdata *pdata) +bool xgene_ring_mgr_init(struct xgene_enet_pdata *p) +{ + if (!ioread32(p->ring_csr_addr + CLKEN_ADDR)) + return false; + + if (ioread32(p->ring_csr_addr + SRST_ADDR)) + return false; + + return true; +} + +static int xgene_enet_reset(struct xgene_enet_pdata *pdata) { u32 val; + if (!xgene_ring_mgr_init(pdata)) + return -ENODEV; + clk_prepare_enable(pdata->clk); clk_disable_unprepare(pdata->clk); clk_prepare_enable(pdata->clk); @@ -590,6 +604,8 @@ static void xgene_enet_reset(struct xgene_enet_pdata *pdata) val |= SCAN_AUTO_INCR; MGMT_CLOCK_SEL_SET(&val, 1); xgene_enet_wr_mcx_mac(pdata, MII_MGMT_CONFIG_ADDR, val); + + return 0; } static void xgene_gport_shutdown(struct xgene_enet_pdata *pdata) diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h index 38558584080..ec45f3256f0 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h @@ -104,6 +104,9 @@ enum xgene_enet_rm { #define BLOCK_ETH_MAC_OFFSET 0x0000 #define BLOCK_ETH_MAC_CSR_OFFSET 0x2800 +#define CLKEN_ADDR 0xc208 +#define SRST_ADDR 0xc200 + #define MAC_ADDR_REG_OFFSET 0x00 #define MAC_COMMAND_REG_OFFSET 0x04 #define MAC_WRITE_REG_OFFSET 0x08 @@ -318,6 +321,7 @@ void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring, int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata); void xgene_enet_mdio_remove(struct xgene_enet_pdata *pdata); +bool xgene_ring_mgr_init(struct xgene_enet_pdata *p); extern struct xgene_mac_ops xgene_gmac_ops; extern struct xgene_port_ops xgene_gport_ops; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 3c208cc6f6b..12366969618 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -639,9 +639,9 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev) struct device *dev = ndev_to_dev(ndev); struct xgene_enet_desc_ring *rx_ring, *tx_ring, *cp_ring; struct xgene_enet_desc_ring *buf_pool = NULL; - u8 cpu_bufnum = 0, eth_bufnum = 0; - u8 bp_bufnum = 0x20; - u16 ring_id, ring_num = 0; + u8 cpu_bufnum = 0, eth_bufnum = START_ETH_BUFNUM; + u8 bp_bufnum = START_BP_BUFNUM; + u16 ring_id, ring_num = START_RING_NUM; int ret; /* allocate rx descriptor ring */ @@ -852,7 +852,9 @@ static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata) u16 dst_ring_num; int ret; - pdata->port_ops->reset(pdata); + ret = pdata->port_ops->reset(pdata); + if (ret) + return ret; ret = xgene_enet_create_desc_rings(ndev); if (ret) { @@ -954,6 +956,7 @@ static int xgene_enet_probe(struct platform_device *pdev) return ret; err: + unregister_netdev(ndev); free_netdev(ndev); return ret; } diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h index 874e5a01161..f9958fae6ff 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h @@ -38,6 +38,9 @@ #define SKB_BUFFER_SIZE (XGENE_ENET_MAX_MTU - NET_IP_ALIGN) #define NUM_PKT_BUF 64 #define NUM_BUFPOOL 32 +#define START_ETH_BUFNUM 2 +#define START_BP_BUFNUM 0x22 +#define START_RING_NUM 8 #define PHY_POLL_LINK_ON (10 * HZ) #define PHY_POLL_LINK_OFF (PHY_POLL_LINK_ON / 5) @@ -83,7 +86,7 @@ struct xgene_mac_ops { }; struct xgene_port_ops { - void (*reset)(struct xgene_enet_pdata *pdata); + int (*reset)(struct xgene_enet_pdata *pdata); void (*cle_bypass)(struct xgene_enet_pdata *pdata, u32 dst_ring_num, u16 bufpool_id); void (*shutdown)(struct xgene_enet_pdata *pdata); diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c index c22f32622fa..f5d4f68c288 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_sgmac.c @@ -311,14 +311,19 @@ static void xgene_sgmac_tx_disable(struct xgene_enet_pdata *p) xgene_sgmac_rxtx(p, TX_EN, false); } -static void xgene_enet_reset(struct xgene_enet_pdata *p) +static int xgene_enet_reset(struct xgene_enet_pdata *p) { + if (!xgene_ring_mgr_init(p)) + return -ENODEV; + clk_prepare_enable(p->clk); clk_disable_unprepare(p->clk); clk_prepare_enable(p->clk); xgene_enet_ecc_init(p); xgene_enet_config_ring_if_assoc(p); + + return 0; } static void xgene_enet_cle_bypass(struct xgene_enet_pdata *p, diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c index 67d07206b3c..a18a9d1f114 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c @@ -252,14 +252,19 @@ static void xgene_xgmac_tx_disable(struct xgene_enet_pdata *pdata) xgene_enet_wr_mac(pdata, AXGMAC_CONFIG_1, data & ~HSTTFEN); } -static void xgene_enet_reset(struct xgene_enet_pdata *pdata) +static int xgene_enet_reset(struct xgene_enet_pdata *pdata) { + if (!xgene_ring_mgr_init(pdata)) + return -ENODEV; + clk_prepare_enable(pdata->clk); clk_disable_unprepare(pdata->clk); clk_prepare_enable(pdata->clk); xgene_enet_ecc_init(pdata); xgene_enet_config_ring_if_assoc(pdata); + + return 0; } static void xgene_enet_xgcle_bypass(struct xgene_enet_pdata *pdata, diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 3a6778a667f..531bb7c5753 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1110,7 +1110,8 @@ static int bcm_sysport_init_tx_ring(struct bcm_sysport_priv *priv, /* We just need one DMA descriptor which is DMA-able, since writing to * the port will allocate a new descriptor in its internal linked-list */ - p = dma_zalloc_coherent(kdev, 1, &ring->desc_dma, GFP_KERNEL); + p = dma_zalloc_coherent(kdev, sizeof(struct dma_desc), &ring->desc_dma, + GFP_KERNEL); if (!p) { netif_err(priv, hw, priv->netdev, "DMA alloc failed\n"); return -ENOMEM; @@ -1174,6 +1175,13 @@ static void bcm_sysport_fini_tx_ring(struct bcm_sysport_priv *priv, if (!(reg & TDMA_DISABLED)) netdev_warn(priv->netdev, "TDMA not stopped!\n"); + /* ring->cbs is the last part in bcm_sysport_init_tx_ring which could + * fail, so by checking this pointer we know whether the TX ring was + * fully initialized or not. + */ + if (!ring->cbs) + return; + napi_disable(&ring->napi); netif_napi_del(&ring->napi); @@ -1183,7 +1191,8 @@ static void bcm_sysport_fini_tx_ring(struct bcm_sysport_priv *priv, ring->cbs = NULL; if (ring->desc_dma) { - dma_free_coherent(kdev, 1, ring->desc_cpu, ring->desc_dma); + dma_free_coherent(kdev, sizeof(struct dma_desc), + ring->desc_cpu, ring->desc_dma); ring->desc_dma = 0; } ring->size = 0; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index fdc9ec09e45..da1a2500c91 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -2140,6 +2140,12 @@ static int bcmgenet_open(struct net_device *dev) goto err_irq0; } + /* Re-configure the port multiplexer towards the PHY device */ + bcmgenet_mii_config(priv->dev, false); + + phy_connect_direct(dev, priv->phydev, bcmgenet_mii_setup, + priv->phy_interface); + bcmgenet_netif_start(dev); return 0; @@ -2184,6 +2190,9 @@ static int bcmgenet_close(struct net_device *dev) bcmgenet_netif_stop(dev); + /* Really kill the PHY state machine and disconnect from it */ + phy_disconnect(priv->phydev); + /* Disable MAC receive */ umac_enable_set(priv, CMD_RX_EN, false); @@ -2685,7 +2694,7 @@ static int bcmgenet_resume(struct device *d) phy_init_hw(priv->phydev); /* Speed settings must be restored */ - bcmgenet_mii_config(priv->dev); + bcmgenet_mii_config(priv->dev, false); /* disable ethernet MAC while updating its registers */ umac_enable_set(priv, CMD_TX_EN | CMD_RX_EN, false); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index dbf524ea3b1..31b2da5f9b8 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -617,9 +617,10 @@ GENET_IO_MACRO(rbuf, GENET_RBUF_OFF); /* MDIO routines */ int bcmgenet_mii_init(struct net_device *dev); -int bcmgenet_mii_config(struct net_device *dev); +int bcmgenet_mii_config(struct net_device *dev, bool init); void bcmgenet_mii_exit(struct net_device *dev); void bcmgenet_mii_reset(struct net_device *dev); +void bcmgenet_mii_setup(struct net_device *dev); /* Wake-on-LAN routines */ void bcmgenet_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol); diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 9ff799a9f80..933cd7e7cd3 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -77,7 +77,7 @@ static int bcmgenet_mii_write(struct mii_bus *bus, int phy_id, /* setup netdev link state when PHY link status change and * update UMAC and RGMII block when link up */ -static void bcmgenet_mii_setup(struct net_device *dev) +void bcmgenet_mii_setup(struct net_device *dev) { struct bcmgenet_priv *priv = netdev_priv(dev); struct phy_device *phydev = priv->phydev; @@ -211,7 +211,7 @@ static void bcmgenet_moca_phy_setup(struct bcmgenet_priv *priv) bcmgenet_sys_writel(priv, reg, SYS_PORT_CTRL); } -int bcmgenet_mii_config(struct net_device *dev) +int bcmgenet_mii_config(struct net_device *dev, bool init) { struct bcmgenet_priv *priv = netdev_priv(dev); struct phy_device *phydev = priv->phydev; @@ -298,7 +298,8 @@ int bcmgenet_mii_config(struct net_device *dev) return -EINVAL; } - dev_info(kdev, "configuring instance for %s\n", phy_name); + if (init) + dev_info(kdev, "configuring instance for %s\n", phy_name); return 0; } @@ -350,7 +351,7 @@ static int bcmgenet_mii_probe(struct net_device *dev) * PHY speed which is needed for bcmgenet_mii_config() to configure * things appropriately. */ - ret = bcmgenet_mii_config(dev); + ret = bcmgenet_mii_config(dev, true); if (ret) { phy_disconnect(priv->phydev); return ret; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c index 6fe300e316c..cca60499400 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_dcb.c @@ -79,8 +79,9 @@ static void cxgb4_dcb_cleanup_apps(struct net_device *dev) app.protocol = dcb->app_priority[i].protocolid; if (dcb->dcb_version == FW_PORT_DCB_VER_IEEE) { + app.priority = dcb->app_priority[i].user_prio_map; app.selector = dcb->app_priority[i].sel_field + 1; - err = dcb_ieee_setapp(dev, &app); + err = dcb_ieee_delapp(dev, &app); } else { app.selector = !!(dcb->app_priority[i].sel_field); err = dcb_setapp(dev, &app); @@ -122,7 +123,11 @@ void cxgb4_dcb_state_fsm(struct net_device *dev, case CXGB4_DCB_INPUT_FW_ENABLED: { /* we're going to use Firmware DCB */ dcb->state = CXGB4_DCB_STATE_FW_INCOMPLETE; - dcb->supported = CXGB4_DCBX_FW_SUPPORT; + dcb->supported = DCB_CAP_DCBX_LLD_MANAGED; + if (dcb->dcb_version == FW_PORT_DCB_VER_IEEE) + dcb->supported |= DCB_CAP_DCBX_VER_IEEE; + else + dcb->supported |= DCB_CAP_DCBX_VER_CEE; break; } @@ -436,14 +441,17 @@ static void cxgb4_getpgtccfg(struct net_device *dev, int tc, *up_tc_map = (1 << tc); /* prio_type is link strict */ - *prio_type = 0x2; + if (*pgid != 0xF) + *prio_type = 0x2; } static void cxgb4_getpgtccfg_tx(struct net_device *dev, int tc, u8 *prio_type, u8 *pgid, u8 *bw_per, u8 *up_tc_map) { - return cxgb4_getpgtccfg(dev, tc, prio_type, pgid, bw_per, up_tc_map, 1); + /* tc 0 is written at MSB position */ + return cxgb4_getpgtccfg(dev, (7 - tc), prio_type, pgid, bw_per, + up_tc_map, 1); } @@ -451,7 +459,9 @@ static void cxgb4_getpgtccfg_rx(struct net_device *dev, int tc, u8 *prio_type, u8 *pgid, u8 *bw_per, u8 *up_tc_map) { - return cxgb4_getpgtccfg(dev, tc, prio_type, pgid, bw_per, up_tc_map, 0); + /* tc 0 is written at MSB position */ + return cxgb4_getpgtccfg(dev, (7 - tc), prio_type, pgid, bw_per, + up_tc_map, 0); } static void cxgb4_setpgtccfg_tx(struct net_device *dev, int tc, @@ -461,6 +471,7 @@ static void cxgb4_setpgtccfg_tx(struct net_device *dev, int tc, struct fw_port_cmd pcmd; struct port_info *pi = netdev2pinfo(dev); struct adapter *adap = pi->adapter; + int fw_tc = 7 - tc; u32 _pgid; int err; @@ -479,8 +490,8 @@ static void cxgb4_setpgtccfg_tx(struct net_device *dev, int tc, } _pgid = be32_to_cpu(pcmd.u.dcb.pgid.pgid); - _pgid &= ~(0xF << (tc * 4)); - _pgid |= pgid << (tc * 4); + _pgid &= ~(0xF << (fw_tc * 4)); + _pgid |= pgid << (fw_tc * 4); pcmd.u.dcb.pgid.pgid = cpu_to_be32(_pgid); INIT_PORT_DCB_WRITE_CMD(pcmd, pi->port_id); @@ -593,7 +604,7 @@ static void cxgb4_getpfccfg(struct net_device *dev, int priority, u8 *pfccfg) priority >= CXGB4_MAX_PRIORITY) *pfccfg = 0; else - *pfccfg = (pi->dcb.pfcen >> priority) & 1; + *pfccfg = (pi->dcb.pfcen >> (7 - priority)) & 1; } /* Enable/disable Priority Pause Frames for the specified Traffic Class @@ -618,9 +629,9 @@ static void cxgb4_setpfccfg(struct net_device *dev, int priority, u8 pfccfg) pcmd.u.dcb.pfc.pfcen = pi->dcb.pfcen; if (pfccfg) - pcmd.u.dcb.pfc.pfcen |= (1 << priority); + pcmd.u.dcb.pfc.pfcen |= (1 << (7 - priority)); else - pcmd.u.dcb.pfc.pfcen &= (~(1 << priority)); + pcmd.u.dcb.pfc.pfcen &= (~(1 << (7 - priority))); err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd); if (err != FW_PORT_DCB_CFG_SUCCESS) { diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 5e1b314e11a..39f2b13e66c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -2914,7 +2914,8 @@ static int t4_sge_init_hard(struct adapter *adap) int t4_sge_init(struct adapter *adap) { struct sge *s = &adap->sge; - u32 sge_control, sge_conm_ctrl; + u32 sge_control, sge_control2, sge_conm_ctrl; + unsigned int ingpadboundary, ingpackboundary; int ret, egress_threshold; /* @@ -2924,8 +2925,31 @@ int t4_sge_init(struct adapter *adap) sge_control = t4_read_reg(adap, SGE_CONTROL); s->pktshift = PKTSHIFT_GET(sge_control); s->stat_len = (sge_control & EGRSTATUSPAGESIZE_MASK) ? 128 : 64; - s->fl_align = 1 << (INGPADBOUNDARY_GET(sge_control) + - X_INGPADBOUNDARY_SHIFT); + + /* T4 uses a single control field to specify both the PCIe Padding and + * Packing Boundary. T5 introduced the ability to specify these + * separately. The actual Ingress Packet Data alignment boundary + * within Packed Buffer Mode is the maximum of these two + * specifications. + */ + ingpadboundary = 1 << (INGPADBOUNDARY_GET(sge_control) + + X_INGPADBOUNDARY_SHIFT); + if (is_t4(adap->params.chip)) { + s->fl_align = ingpadboundary; + } else { + /* T5 has a different interpretation of one of the PCIe Packing + * Boundary values. + */ + sge_control2 = t4_read_reg(adap, SGE_CONTROL2_A); + ingpackboundary = INGPACKBOUNDARY_G(sge_control2); + if (ingpackboundary == INGPACKBOUNDARY_16B_X) + ingpackboundary = 16; + else + ingpackboundary = 1 << (ingpackboundary + + INGPACKBOUNDARY_SHIFT_X); + + s->fl_align = max(ingpadboundary, ingpackboundary); + } if (adap->flags & USING_SOFT_PARAMS) ret = t4_sge_init_soft(adap); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index a9d9d74e4f0..163a2a14948 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3129,12 +3129,51 @@ int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, HOSTPAGESIZEPF6(sge_hps) | HOSTPAGESIZEPF7(sge_hps)); - t4_set_reg_field(adap, SGE_CONTROL, - INGPADBOUNDARY_MASK | - EGRSTATUSPAGESIZE_MASK, - INGPADBOUNDARY(fl_align_log - 5) | - EGRSTATUSPAGESIZE(stat_len != 64)); - + if (is_t4(adap->params.chip)) { + t4_set_reg_field(adap, SGE_CONTROL, + INGPADBOUNDARY_MASK | + EGRSTATUSPAGESIZE_MASK, + INGPADBOUNDARY(fl_align_log - 5) | + EGRSTATUSPAGESIZE(stat_len != 64)); + } else { + /* T5 introduced the separation of the Free List Padding and + * Packing Boundaries. Thus, we can select a smaller Padding + * Boundary to avoid uselessly chewing up PCIe Link and Memory + * Bandwidth, and use a Packing Boundary which is large enough + * to avoid false sharing between CPUs, etc. + * + * For the PCI Link, the smaller the Padding Boundary the + * better. For the Memory Controller, a smaller Padding + * Boundary is better until we cross under the Memory Line + * Size (the minimum unit of transfer to/from Memory). If we + * have a Padding Boundary which is smaller than the Memory + * Line Size, that'll involve a Read-Modify-Write cycle on the + * Memory Controller which is never good. For T5 the smallest + * Padding Boundary which we can select is 32 bytes which is + * larger than any known Memory Controller Line Size so we'll + * use that. + * + * T5 has a different interpretation of the "0" value for the + * Packing Boundary. This corresponds to 16 bytes instead of + * the expected 32 bytes. We never have a Packing Boundary + * less than 32 bytes so we can't use that special value but + * on the other hand, if we wanted 32 bytes, the best we can + * really do is 64 bytes. + */ + if (fl_align <= 32) { + fl_align = 64; + fl_align_log = 6; + } + t4_set_reg_field(adap, SGE_CONTROL, + INGPADBOUNDARY_MASK | + EGRSTATUSPAGESIZE_MASK, + INGPADBOUNDARY(INGPCIEBOUNDARY_32B_X) | + EGRSTATUSPAGESIZE(stat_len != 64)); + t4_set_reg_field(adap, SGE_CONTROL2_A, + INGPACKBOUNDARY_V(INGPACKBOUNDARY_M), + INGPACKBOUNDARY_V(fl_align_log - + INGPACKBOUNDARY_SHIFT_X)); + } /* * Adjust various SGE Free List Host Buffer Sizes. * diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h index a1024db5dc1..8d2de1006b0 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h @@ -95,6 +95,7 @@ #define X_INGPADBOUNDARY_SHIFT 5 #define SGE_CONTROL 0x1008 +#define SGE_CONTROL2_A 0x1124 #define DCASYSTYPE 0x00080000U #define RXPKTCPLMODE_MASK 0x00040000U #define RXPKTCPLMODE_SHIFT 18 @@ -106,6 +107,7 @@ #define PKTSHIFT_SHIFT 10 #define PKTSHIFT(x) ((x) << PKTSHIFT_SHIFT) #define PKTSHIFT_GET(x) (((x) & PKTSHIFT_MASK) >> PKTSHIFT_SHIFT) +#define INGPCIEBOUNDARY_32B_X 0 #define INGPCIEBOUNDARY_MASK 0x00000380U #define INGPCIEBOUNDARY_SHIFT 7 #define INGPCIEBOUNDARY(x) ((x) << INGPCIEBOUNDARY_SHIFT) @@ -114,6 +116,14 @@ #define INGPADBOUNDARY(x) ((x) << INGPADBOUNDARY_SHIFT) #define INGPADBOUNDARY_GET(x) (((x) & INGPADBOUNDARY_MASK) \ >> INGPADBOUNDARY_SHIFT) +#define INGPACKBOUNDARY_16B_X 0 +#define INGPACKBOUNDARY_SHIFT_X 5 + +#define INGPACKBOUNDARY_S 16 +#define INGPACKBOUNDARY_M 0x7U +#define INGPACKBOUNDARY_V(x) ((x) << INGPACKBOUNDARY_S) +#define INGPACKBOUNDARY_G(x) (((x) >> INGPACKBOUNDARY_S) \ + & INGPACKBOUNDARY_M) #define EGRPCIEBOUNDARY_MASK 0x0000000eU #define EGRPCIEBOUNDARY_SHIFT 1 #define EGRPCIEBOUNDARY(x) ((x) << EGRPCIEBOUNDARY_SHIFT) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h index 68eaa9c88c7..3d06e77d712 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h @@ -299,6 +299,14 @@ struct sge { u16 timer_val[SGE_NTIMERS]; /* interrupt holdoff timer array */ u8 counter_val[SGE_NCOUNTERS]; /* interrupt RX threshold array */ + /* Decoded Adapter Parameters. + */ + u32 fl_pg_order; /* large page allocation size */ + u32 stat_len; /* length of status page at ring end */ + u32 pktshift; /* padding between CPL & packet data */ + u32 fl_align; /* response queue message alignment */ + u32 fl_starve_thres; /* Free List starvation threshold */ + /* * Reverse maps from Absolute Queue IDs to associated queue pointers. * The absolute Queue IDs are in a compact range which start at a diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index 85036e6b42c..fdd078d7d82 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -51,14 +51,6 @@ #include "../cxgb4/t4_msg.h" /* - * Decoded Adapter Parameters. - */ -static u32 FL_PG_ORDER; /* large page allocation size */ -static u32 STAT_LEN; /* length of status page at ring end */ -static u32 PKTSHIFT; /* padding between CPL and packet data */ -static u32 FL_ALIGN; /* response queue message alignment */ - -/* * Constants ... */ enum { @@ -102,12 +94,6 @@ enum { MAX_TIMER_TX_RECLAIM = 100, /* - * An FL with <= FL_STARVE_THRES buffers is starving and a periodic - * timer will attempt to refill it. - */ - FL_STARVE_THRES = 4, - - /* * Suspend an Ethernet TX queue with fewer available descriptors than * this. We always want to have room for a maximum sized packet: * inline immediate data + MAX_SKB_FRAGS. This is the same as @@ -264,15 +250,19 @@ static inline unsigned int fl_cap(const struct sge_fl *fl) /** * fl_starving - return whether a Free List is starving. + * @adapter: pointer to the adapter * @fl: the Free List * * Tests specified Free List to see whether the number of buffers * available to the hardware has falled below our "starvation" * threshold. */ -static inline bool fl_starving(const struct sge_fl *fl) +static inline bool fl_starving(const struct adapter *adapter, + const struct sge_fl *fl) { - return fl->avail - fl->pend_cred <= FL_STARVE_THRES; + const struct sge *s = &adapter->sge; + + return fl->avail - fl->pend_cred <= s->fl_starve_thres; } /** @@ -457,13 +447,16 @@ static inline void reclaim_completed_tx(struct adapter *adapter, /** * get_buf_size - return the size of an RX Free List buffer. + * @adapter: pointer to the associated adapter * @sdesc: pointer to the software buffer descriptor */ -static inline int get_buf_size(const struct rx_sw_desc *sdesc) +static inline int get_buf_size(const struct adapter *adapter, + const struct rx_sw_desc *sdesc) { - return FL_PG_ORDER > 0 && (sdesc->dma_addr & RX_LARGE_BUF) - ? (PAGE_SIZE << FL_PG_ORDER) - : PAGE_SIZE; + const struct sge *s = &adapter->sge; + + return (s->fl_pg_order > 0 && (sdesc->dma_addr & RX_LARGE_BUF) + ? (PAGE_SIZE << s->fl_pg_order) : PAGE_SIZE); } /** @@ -483,7 +476,8 @@ static void free_rx_bufs(struct adapter *adapter, struct sge_fl *fl, int n) if (is_buf_mapped(sdesc)) dma_unmap_page(adapter->pdev_dev, get_buf_addr(sdesc), - get_buf_size(sdesc), PCI_DMA_FROMDEVICE); + get_buf_size(adapter, sdesc), + PCI_DMA_FROMDEVICE); put_page(sdesc->page); sdesc->page = NULL; if (++fl->cidx == fl->size) @@ -511,7 +505,8 @@ static void unmap_rx_buf(struct adapter *adapter, struct sge_fl *fl) if (is_buf_mapped(sdesc)) dma_unmap_page(adapter->pdev_dev, get_buf_addr(sdesc), - get_buf_size(sdesc), PCI_DMA_FROMDEVICE); + get_buf_size(adapter, sdesc), + PCI_DMA_FROMDEVICE); sdesc->page = NULL; if (++fl->cidx == fl->size) fl->cidx = 0; @@ -589,6 +584,7 @@ static inline void poison_buf(struct page *page, size_t sz) static unsigned int refill_fl(struct adapter *adapter, struct sge_fl *fl, int n, gfp_t gfp) { + struct sge *s = &adapter->sge; struct page *page; dma_addr_t dma_addr; unsigned int cred = fl->avail; @@ -608,12 +604,12 @@ static unsigned int refill_fl(struct adapter *adapter, struct sge_fl *fl, * If we don't support large pages, drop directly into the small page * allocation code. */ - if (FL_PG_ORDER == 0) + if (s->fl_pg_order == 0) goto alloc_small_pages; while (n) { page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN, - FL_PG_ORDER); + s->fl_pg_order); if (unlikely(!page)) { /* * We've failed inour attempt to allocate a "large @@ -623,10 +619,10 @@ static unsigned int refill_fl(struct adapter *adapter, struct sge_fl *fl, fl->large_alloc_failed++; break; } - poison_buf(page, PAGE_SIZE << FL_PG_ORDER); + poison_buf(page, PAGE_SIZE << s->fl_pg_order); dma_addr = dma_map_page(adapter->pdev_dev, page, 0, - PAGE_SIZE << FL_PG_ORDER, + PAGE_SIZE << s->fl_pg_order, PCI_DMA_FROMDEVICE); if (unlikely(dma_mapping_error(adapter->pdev_dev, dma_addr))) { /* @@ -637,7 +633,7 @@ static unsigned int refill_fl(struct adapter *adapter, struct sge_fl *fl, * because DMA mapping resources are typically * critical resources once they become scarse. */ - __free_pages(page, FL_PG_ORDER); + __free_pages(page, s->fl_pg_order); goto out; } dma_addr |= RX_LARGE_BUF; @@ -693,7 +689,7 @@ out: fl->pend_cred += cred; ring_fl_db(adapter, fl); - if (unlikely(fl_starving(fl))) { + if (unlikely(fl_starving(adapter, fl))) { smp_wmb(); set_bit(fl->cntxt_id, adapter->sge.starving_fl); } @@ -1468,6 +1464,8 @@ static void t4vf_pktgl_free(const struct pkt_gl *gl) static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl, const struct cpl_rx_pkt *pkt) { + struct adapter *adapter = rxq->rspq.adapter; + struct sge *s = &adapter->sge; int ret; struct sk_buff *skb; @@ -1478,8 +1476,8 @@ static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl, return; } - copy_frags(skb, gl, PKTSHIFT); - skb->len = gl->tot_len - PKTSHIFT; + copy_frags(skb, gl, s->pktshift); + skb->len = gl->tot_len - s->pktshift; skb->data_len = skb->len; skb->truesize += skb->data_len; skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -1516,6 +1514,8 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, bool csum_ok = pkt->csum_calc && !pkt->err_vec && (rspq->netdev->features & NETIF_F_RXCSUM); struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq); + struct adapter *adapter = rspq->adapter; + struct sge *s = &adapter->sge; /* * If this is a good TCP packet and we have Generic Receive Offload @@ -1537,7 +1537,7 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, rxq->stats.rx_drops++; return 0; } - __skb_pull(skb, PKTSHIFT); + __skb_pull(skb, s->pktshift); skb->protocol = eth_type_trans(skb, rspq->netdev); skb_record_rx_queue(skb, rspq->idx); rxq->stats.pkts++; @@ -1648,6 +1648,8 @@ static inline void rspq_next(struct sge_rspq *rspq) static int process_responses(struct sge_rspq *rspq, int budget) { struct sge_eth_rxq *rxq = container_of(rspq, struct sge_eth_rxq, rspq); + struct adapter *adapter = rspq->adapter; + struct sge *s = &adapter->sge; int budget_left = budget; while (likely(budget_left)) { @@ -1697,7 +1699,7 @@ static int process_responses(struct sge_rspq *rspq, int budget) BUG_ON(frag >= MAX_SKB_FRAGS); BUG_ON(rxq->fl.avail == 0); sdesc = &rxq->fl.sdesc[rxq->fl.cidx]; - bufsz = get_buf_size(sdesc); + bufsz = get_buf_size(adapter, sdesc); fp->page = sdesc->page; fp->offset = rspq->offset; fp->size = min(bufsz, len); @@ -1726,7 +1728,7 @@ static int process_responses(struct sge_rspq *rspq, int budget) */ ret = rspq->handler(rspq, rspq->cur_desc, &gl); if (likely(ret == 0)) - rspq->offset += ALIGN(fp->size, FL_ALIGN); + rspq->offset += ALIGN(fp->size, s->fl_align); else restore_rx_bufs(&gl, &rxq->fl, frag); } else if (likely(rsp_type == RSP_TYPE_CPL)) { @@ -1963,7 +1965,7 @@ static void sge_rx_timer_cb(unsigned long data) * schedule napi but the FL is no longer starving. * No biggie. */ - if (fl_starving(fl)) { + if (fl_starving(adapter, fl)) { struct sge_eth_rxq *rxq; rxq = container_of(fl, struct sge_eth_rxq, fl); @@ -2047,6 +2049,7 @@ int t4vf_sge_alloc_rxq(struct adapter *adapter, struct sge_rspq *rspq, int intr_dest, struct sge_fl *fl, rspq_handler_t hnd) { + struct sge *s = &adapter->sge; struct port_info *pi = netdev_priv(dev); struct fw_iq_cmd cmd, rpl; int ret, iqandst, flsz = 0; @@ -2117,7 +2120,7 @@ int t4vf_sge_alloc_rxq(struct adapter *adapter, struct sge_rspq *rspq, fl->size = roundup(fl->size, FL_PER_EQ_UNIT); fl->desc = alloc_ring(adapter->pdev_dev, fl->size, sizeof(__be64), sizeof(struct rx_sw_desc), - &fl->addr, &fl->sdesc, STAT_LEN); + &fl->addr, &fl->sdesc, s->stat_len); if (!fl->desc) { ret = -ENOMEM; goto err; @@ -2129,7 +2132,7 @@ int t4vf_sge_alloc_rxq(struct adapter *adapter, struct sge_rspq *rspq, * free list ring) in Egress Queue Units. */ flsz = (fl->size / FL_PER_EQ_UNIT + - STAT_LEN / EQ_UNIT); + s->stat_len / EQ_UNIT); /* * Fill in all the relevant firmware Ingress Queue Command @@ -2217,6 +2220,7 @@ int t4vf_sge_alloc_eth_txq(struct adapter *adapter, struct sge_eth_txq *txq, struct net_device *dev, struct netdev_queue *devq, unsigned int iqid) { + struct sge *s = &adapter->sge; int ret, nentries; struct fw_eq_eth_cmd cmd, rpl; struct port_info *pi = netdev_priv(dev); @@ -2225,7 +2229,7 @@ int t4vf_sge_alloc_eth_txq(struct adapter *adapter, struct sge_eth_txq *txq, * Calculate the size of the hardware TX Queue (including the Status * Page on the end of the TX Queue) in units of TX Descriptors. */ - nentries = txq->q.size + STAT_LEN / sizeof(struct tx_desc); + nentries = txq->q.size + s->stat_len / sizeof(struct tx_desc); /* * Allocate the hardware ring for the TX ring (with space for its @@ -2234,7 +2238,7 @@ int t4vf_sge_alloc_eth_txq(struct adapter *adapter, struct sge_eth_txq *txq, txq->q.desc = alloc_ring(adapter->pdev_dev, txq->q.size, sizeof(struct tx_desc), sizeof(struct tx_sw_desc), - &txq->q.phys_addr, &txq->q.sdesc, STAT_LEN); + &txq->q.phys_addr, &txq->q.sdesc, s->stat_len); if (!txq->q.desc) return -ENOMEM; @@ -2307,8 +2311,10 @@ int t4vf_sge_alloc_eth_txq(struct adapter *adapter, struct sge_eth_txq *txq, */ static void free_txq(struct adapter *adapter, struct sge_txq *tq) { + struct sge *s = &adapter->sge; + dma_free_coherent(adapter->pdev_dev, - tq->size * sizeof(*tq->desc) + STAT_LEN, + tq->size * sizeof(*tq->desc) + s->stat_len, tq->desc, tq->phys_addr); tq->cntxt_id = 0; tq->sdesc = NULL; @@ -2322,6 +2328,7 @@ static void free_txq(struct adapter *adapter, struct sge_txq *tq) static void free_rspq_fl(struct adapter *adapter, struct sge_rspq *rspq, struct sge_fl *fl) { + struct sge *s = &adapter->sge; unsigned int flid = fl ? fl->cntxt_id : 0xffff; t4vf_iq_free(adapter, FW_IQ_TYPE_FL_INT_CAP, @@ -2337,7 +2344,7 @@ static void free_rspq_fl(struct adapter *adapter, struct sge_rspq *rspq, if (fl) { free_rx_bufs(adapter, fl, fl->avail); dma_free_coherent(adapter->pdev_dev, - fl->size * sizeof(*fl->desc) + STAT_LEN, + fl->size * sizeof(*fl->desc) + s->stat_len, fl->desc, fl->addr); kfree(fl->sdesc); fl->sdesc = NULL; @@ -2423,6 +2430,7 @@ int t4vf_sge_init(struct adapter *adapter) u32 fl0 = sge_params->sge_fl_buffer_size[0]; u32 fl1 = sge_params->sge_fl_buffer_size[1]; struct sge *s = &adapter->sge; + unsigned int ingpadboundary, ingpackboundary; /* * Start by vetting the basic SGE parameters which have been set up by @@ -2443,12 +2451,48 @@ int t4vf_sge_init(struct adapter *adapter) * Now translate the adapter parameters into our internal forms. */ if (fl1) - FL_PG_ORDER = ilog2(fl1) - PAGE_SHIFT; - STAT_LEN = ((sge_params->sge_control & EGRSTATUSPAGESIZE_MASK) - ? 128 : 64); - PKTSHIFT = PKTSHIFT_GET(sge_params->sge_control); - FL_ALIGN = 1 << (INGPADBOUNDARY_GET(sge_params->sge_control) + - SGE_INGPADBOUNDARY_SHIFT); + s->fl_pg_order = ilog2(fl1) - PAGE_SHIFT; + s->stat_len = ((sge_params->sge_control & EGRSTATUSPAGESIZE_MASK) + ? 128 : 64); + s->pktshift = PKTSHIFT_GET(sge_params->sge_control); + + /* T4 uses a single control field to specify both the PCIe Padding and + * Packing Boundary. T5 introduced the ability to specify these + * separately. The actual Ingress Packet Data alignment boundary + * within Packed Buffer Mode is the maximum of these two + * specifications. (Note that it makes no real practical sense to + * have the Pading Boudary be larger than the Packing Boundary but you + * could set the chip up that way and, in fact, legacy T4 code would + * end doing this because it would initialize the Padding Boundary and + * leave the Packing Boundary initialized to 0 (16 bytes).) + */ + ingpadboundary = 1 << (INGPADBOUNDARY_GET(sge_params->sge_control) + + X_INGPADBOUNDARY_SHIFT); + if (is_t4(adapter->params.chip)) { + s->fl_align = ingpadboundary; + } else { + /* T5 has a different interpretation of one of the PCIe Packing + * Boundary values. + */ + ingpackboundary = INGPACKBOUNDARY_G(sge_params->sge_control2); + if (ingpackboundary == INGPACKBOUNDARY_16B_X) + ingpackboundary = 16; + else + ingpackboundary = 1 << (ingpackboundary + + INGPACKBOUNDARY_SHIFT_X); + + s->fl_align = max(ingpadboundary, ingpackboundary); + } + + /* A FL with <= fl_starve_thres buffers is starving and a periodic + * timer will attempt to refill it. This needs to be larger than the + * SGE's Egress Congestion Threshold. If it isn't, then we can get + * stuck waiting for new packets while the SGE is waiting for us to + * give it more Free List entries. (Note that the SGE's Egress + * Congestion Threshold is in units of 2 Free List pointers.) + */ + s->fl_starve_thres + = EGRTHRESHOLD_GET(sge_params->sge_congestion_control)*2 + 1; /* * Set up tasklet timers. diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h index 95df61dcb4c..4b6a6d14d86 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h @@ -134,11 +134,13 @@ struct dev_params { */ struct sge_params { u32 sge_control; /* padding, boundaries, lengths, etc. */ + u32 sge_control2; /* T5: more of the same */ u32 sge_host_page_size; /* RDMA page sizes */ u32 sge_queues_per_page; /* RDMA queues/page */ u32 sge_user_mode_limits; /* limits for BAR2 user mode accesses */ u32 sge_fl_buffer_size[16]; /* free list buffer sizes */ u32 sge_ingress_rx_threshold; /* RX counter interrupt threshold[4] */ + u32 sge_congestion_control; /* congestion thresholds, etc. */ u32 sge_timer_value_0_and_1; /* interrupt coalescing timer values */ u32 sge_timer_value_2_and_3; u32 sge_timer_value_4_and_5; diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c index e984fdc48ba..1e896b92323 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c @@ -468,12 +468,38 @@ int t4vf_get_sge_params(struct adapter *adapter) sge_params->sge_timer_value_2_and_3 = vals[5]; sge_params->sge_timer_value_4_and_5 = vals[6]; + /* T4 uses a single control field to specify both the PCIe Padding and + * Packing Boundary. T5 introduced the ability to specify these + * separately with the Padding Boundary in SGE_CONTROL and and Packing + * Boundary in SGE_CONTROL2. So for T5 and later we need to grab + * SGE_CONTROL in order to determine how ingress packet data will be + * laid out in Packed Buffer Mode. Unfortunately, older versions of + * the firmware won't let us retrieve SGE_CONTROL2 so if we get a + * failure grabbing it we throw an error since we can't figure out the + * right value. + */ + if (!is_t4(adapter->params.chip)) { + params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + FW_PARAMS_PARAM_XYZ(SGE_CONTROL2_A)); + v = t4vf_query_params(adapter, 1, params, vals); + if (v != FW_SUCCESS) { + dev_err(adapter->pdev_dev, + "Unable to get SGE Control2; " + "probably old firmware.\n"); + return v; + } + sge_params->sge_control2 = vals[0]; + } + params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | FW_PARAMS_PARAM_XYZ(SGE_INGRESS_RX_THRESHOLD)); - v = t4vf_query_params(adapter, 1, params, vals); + params[1] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | + FW_PARAMS_PARAM_XYZ(SGE_CONM_CTRL)); + v = t4vf_query_params(adapter, 2, params, vals); if (v) return v; sge_params->sge_ingress_rx_threshold = vals[0]; + sge_params->sge_congestion_control = vals[1]; return 0; } diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 180e53fa628..73cf1653a4a 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -940,18 +940,8 @@ static int enic_rq_alloc_buf(struct vnic_rq *rq) struct vnic_rq_buf *buf = rq->to_use; if (buf->os_buf) { - buf = buf->next; - rq->to_use = buf; - rq->ring.desc_avail--; - if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) { - /* Adding write memory barrier prevents compiler and/or - * CPU reordering, thus avoiding descriptor posting - * before descriptor is initialized. Otherwise, hardware - * can read stale descriptor fields. - */ - wmb(); - iowrite32(buf->index, &rq->ctrl->posted_index); - } + enic_queue_rq_desc(rq, buf->os_buf, os_buf_index, buf->dma_addr, + buf->len); return 0; } @@ -1037,7 +1027,10 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, enic->rq_truncated_pkts++; } + pci_unmap_single(enic->pdev, buf->dma_addr, buf->len, + PCI_DMA_FROMDEVICE); dev_kfree_skb_any(skb); + buf->os_buf = NULL; return; } @@ -1088,7 +1081,10 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, /* Buffer overflow */ + pci_unmap_single(enic->pdev, buf->dma_addr, buf->len, + PCI_DMA_FROMDEVICE); dev_kfree_skb_any(skb); + buf->os_buf = NULL; } } diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 50a851db285..3dca494797b 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -298,6 +298,16 @@ static void *swap_buffer(void *bufaddr, int len) return bufaddr; } +static void swap_buffer2(void *dst_buf, void *src_buf, int len) +{ + int i; + unsigned int *src = src_buf; + unsigned int *dst = dst_buf; + + for (i = 0; i < len; i += 4, src++, dst++) + *dst = swab32p(src); +} + static void fec_dump(struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); @@ -1307,7 +1317,7 @@ fec_enet_new_rxbdp(struct net_device *ndev, struct bufdesc *bdp, struct sk_buff } static bool fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb, - struct bufdesc *bdp, u32 length) + struct bufdesc *bdp, u32 length, bool swap) { struct fec_enet_private *fep = netdev_priv(ndev); struct sk_buff *new_skb; @@ -1322,7 +1332,10 @@ static bool fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb, dma_sync_single_for_cpu(&fep->pdev->dev, bdp->cbd_bufaddr, FEC_ENET_RX_FRSIZE - fep->rx_align, DMA_FROM_DEVICE); - memcpy(new_skb->data, (*skb)->data, length); + if (!swap) + memcpy(new_skb->data, (*skb)->data, length); + else + swap_buffer2(new_skb->data, (*skb)->data, length); *skb = new_skb; return true; @@ -1352,6 +1365,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) u16 vlan_tag; int index = 0; bool is_copybreak; + bool need_swap = id_entry->driver_data & FEC_QUIRK_SWAP_FRAME; #ifdef CONFIG_M532x flush_cache_all(); @@ -1415,7 +1429,8 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) * include that when passing upstream as it messes up * bridging applications. */ - is_copybreak = fec_enet_copybreak(ndev, &skb, bdp, pkt_len - 4); + is_copybreak = fec_enet_copybreak(ndev, &skb, bdp, pkt_len - 4, + need_swap); if (!is_copybreak) { skb_new = netdev_alloc_skb(ndev, FEC_ENET_RX_FRSIZE); if (unlikely(!skb_new)) { @@ -1430,7 +1445,7 @@ fec_enet_rx_queue(struct net_device *ndev, int budget, u16 queue_id) prefetch(skb->data - NET_IP_ALIGN); skb_put(skb, pkt_len - 4); data = skb->data; - if (id_entry->driver_data & FEC_QUIRK_SWAP_FRAME) + if (!is_copybreak && need_swap) swap_buffer(data, pkt_len); /* Extract the enhanced buffer descriptor */ @@ -3343,12 +3358,11 @@ static int __maybe_unused fec_suspend(struct device *dev) netif_device_detach(ndev); netif_tx_unlock_bh(ndev); fec_stop(ndev); + fec_enet_clk_enable(ndev, false); + pinctrl_pm_select_sleep_state(&fep->pdev->dev); } rtnl_unlock(); - fec_enet_clk_enable(ndev, false); - pinctrl_pm_select_sleep_state(&fep->pdev->dev); - if (fep->reg_phy) regulator_disable(fep->reg_phy); @@ -3367,13 +3381,14 @@ static int __maybe_unused fec_resume(struct device *dev) return ret; } - pinctrl_pm_select_default_state(&fep->pdev->dev); - ret = fec_enet_clk_enable(ndev, true); - if (ret) - goto failed_clk; - rtnl_lock(); if (netif_running(ndev)) { + pinctrl_pm_select_default_state(&fep->pdev->dev); + ret = fec_enet_clk_enable(ndev, true); + if (ret) { + rtnl_unlock(); + goto failed_clk; + } fec_restart(ndev); netif_tx_lock_bh(ndev); netif_device_attach(ndev); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c index d47b19f27c3..28b81ae09b5 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c @@ -635,7 +635,6 @@ s32 ixgbe_check_phy_link_tnx(struct ixgbe_hw *hw, ixgbe_link_speed *speed, **/ s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw) { - s32 status; u16 autoneg_reg = IXGBE_MII_AUTONEG_REG; bool autoneg = false; ixgbe_link_speed speed; @@ -700,8 +699,7 @@ s32 ixgbe_setup_phy_link_tnx(struct ixgbe_hw *hw) hw->phy.ops.write_reg(hw, MDIO_CTRL1, MDIO_MMD_AN, autoneg_reg); - - return status; + return 0; } /** diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index b151a949f35..d44560d1d26 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -1047,7 +1047,6 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force) int tx_index; struct tx_desc *desc; u32 cmd_sts; - struct sk_buff *skb; tx_index = txq->tx_used_desc; desc = &txq->tx_desc_area[tx_index]; @@ -1066,19 +1065,22 @@ static int txq_reclaim(struct tx_queue *txq, int budget, int force) reclaimed++; txq->tx_desc_count--; - skb = NULL; - if (cmd_sts & TX_LAST_DESC) - skb = __skb_dequeue(&txq->tx_skb); + if (!IS_TSO_HEADER(txq, desc->buf_ptr)) + dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr, + desc->byte_cnt, DMA_TO_DEVICE); + + if (cmd_sts & TX_ENABLE_INTERRUPT) { + struct sk_buff *skb = __skb_dequeue(&txq->tx_skb); + + if (!WARN_ON(!skb)) + dev_kfree_skb(skb); + } if (cmd_sts & ERROR_SUMMARY) { netdev_info(mp->dev, "tx error\n"); mp->dev->stats.tx_errors++; } - if (!IS_TSO_HEADER(txq, desc->buf_ptr)) - dma_unmap_single(mp->dev->dev.parent, desc->buf_ptr, - desc->byte_cnt, DMA_TO_DEVICE); - dev_kfree_skb(skb); } __netif_tx_unlock_bh(nq); diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index ece83f10152..fdf3e382e46 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -1692,6 +1692,7 @@ static int mvpp2_prs_vlan_add(struct mvpp2 *priv, unsigned short tpid, int ai, { struct mvpp2_prs_entry *pe; int tid_aux, tid; + int ret = 0; pe = mvpp2_prs_vlan_find(priv, tpid, ai); @@ -1723,8 +1724,10 @@ static int mvpp2_prs_vlan_add(struct mvpp2 *priv, unsigned short tpid, int ai, break; } - if (tid <= tid_aux) - return -EINVAL; + if (tid <= tid_aux) { + ret = -EINVAL; + goto error; + } memset(pe, 0 , sizeof(struct mvpp2_prs_entry)); mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_VLAN); @@ -1756,9 +1759,10 @@ static int mvpp2_prs_vlan_add(struct mvpp2 *priv, unsigned short tpid, int ai, mvpp2_prs_hw_write(priv, pe); +error: kfree(pe); - return 0; + return ret; } /* Get first free double vlan ai number */ @@ -1821,7 +1825,7 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1, unsigned int port_map) { struct mvpp2_prs_entry *pe; - int tid_aux, tid, ai; + int tid_aux, tid, ai, ret = 0; pe = mvpp2_prs_double_vlan_find(priv, tpid1, tpid2); @@ -1838,8 +1842,10 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1, /* Set ai value for new double vlan entry */ ai = mvpp2_prs_double_vlan_ai_free_get(priv); - if (ai < 0) - return ai; + if (ai < 0) { + ret = ai; + goto error; + } /* Get first single/triple vlan tid */ for (tid_aux = MVPP2_PE_FIRST_FREE_TID; @@ -1859,8 +1865,10 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1, break; } - if (tid >= tid_aux) - return -ERANGE; + if (tid >= tid_aux) { + ret = -ERANGE; + goto error; + } memset(pe, 0, sizeof(struct mvpp2_prs_entry)); mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_VLAN); @@ -1887,8 +1895,9 @@ static int mvpp2_prs_double_vlan_add(struct mvpp2 *priv, unsigned short tpid1, mvpp2_prs_tcam_port_map_set(pe, port_map); mvpp2_prs_hw_write(priv, pe); +error: kfree(pe); - return 0; + return ret; } /* IPv4 header parsing for fragmentation and L4 offset */ diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index f3032fec8fc..02266e3de51 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2281,8 +2281,16 @@ static void mlx4_en_add_vxlan_offloads(struct work_struct *work) ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 1); out: - if (ret) + if (ret) { en_err(priv, "failed setting L2 tunnel configuration ret %d\n", ret); + return; + } + + /* set offloads */ + priv->dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM | + NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL; + priv->dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; + priv->dev->features |= NETIF_F_GSO_UDP_TUNNEL; } static void mlx4_en_del_vxlan_offloads(struct work_struct *work) @@ -2290,6 +2298,11 @@ static void mlx4_en_del_vxlan_offloads(struct work_struct *work) int ret; struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, vxlan_del_task); + /* unset offloads */ + priv->dev->hw_enc_features &= ~(NETIF_F_IP_CSUM | NETIF_F_RXCSUM | + NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL); + priv->dev->hw_features &= ~NETIF_F_GSO_UDP_TUNNEL; + priv->dev->features &= ~NETIF_F_GSO_UDP_TUNNEL; ret = mlx4_SET_PORT_VXLAN(priv->mdev->dev, priv->port, VXLAN_STEER_BY_OUTER_MAC, 0); @@ -2568,13 +2581,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, if (mdev->dev->caps.steering_mode != MLX4_STEERING_MODE_A0) dev->priv_flags |= IFF_UNICAST_FLT; - if (mdev->dev->caps.tunnel_offload_mode == MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) { - dev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM | - NETIF_F_TSO | NETIF_F_GSO_UDP_TUNNEL; - dev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; - dev->features |= NETIF_F_GSO_UDP_TUNNEL; - } - mdev->pndev[port] = dev; netif_carrier_off(dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index a278238a2db..ad2c96a02a5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -374,15 +374,14 @@ int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx, snprintf(eq->name, MLX5_MAX_EQ_NAME, "%s@pci:%s", name, pci_name(dev->pdev)); eq->eqn = out.eq_number; + eq->irqn = vecidx; + eq->dev = dev; + eq->doorbell = uar->map + MLX5_EQ_DOORBEL_OFFSET; err = request_irq(table->msix_arr[vecidx].vector, mlx5_msix_handler, 0, eq->name, eq); if (err) goto err_eq; - eq->irqn = vecidx; - eq->dev = dev; - eq->doorbell = uar->map + MLX5_EQ_DOORBEL_OFFSET; - err = mlx5_debug_eq_add(dev, eq); if (err) goto err_irq; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 3d8e8e489b2..71b10b21079 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -864,14 +864,14 @@ static int init_one(struct pci_dev *pdev, dev->profile = &profile[prof_sel]; dev->event = mlx5_core_event; + INIT_LIST_HEAD(&priv->ctx_list); + spin_lock_init(&priv->ctx_lock); err = mlx5_dev_init(dev, pdev); if (err) { dev_err(&pdev->dev, "mlx5_dev_init failed %d\n", err); goto out; } - INIT_LIST_HEAD(&priv->ctx_list); - spin_lock_init(&priv->ctx_lock); err = mlx5_register_device(dev); if (err) { dev_err(&pdev->dev, "mlx5_register_device failed %d\n", err); diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index 0b2a1ccd276..613037584d0 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -2762,7 +2762,8 @@ netxen_fw_poll_work(struct work_struct *work) if (test_bit(__NX_RESETTING, &adapter->state)) goto reschedule; - if (test_bit(__NX_DEV_UP, &adapter->state)) { + if (test_bit(__NX_DEV_UP, &adapter->state) && + !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) { if (!adapter->has_link_events) { netxen_nic_handle_phy_intr(adapter); diff --git a/drivers/net/ethernet/qualcomm/Kconfig b/drivers/net/ethernet/qualcomm/Kconfig index f3a47147937..9a49f42ac2b 100644 --- a/drivers/net/ethernet/qualcomm/Kconfig +++ b/drivers/net/ethernet/qualcomm/Kconfig @@ -5,7 +5,6 @@ config NET_VENDOR_QUALCOMM bool "Qualcomm devices" default y - depends on SPI_MASTER && OF_GPIO ---help--- If you have a network (Ethernet) card belonging to this class, say Y and read the Ethernet-HOWTO, available from @@ -20,7 +19,7 @@ if NET_VENDOR_QUALCOMM config QCA7000 tristate "Qualcomm Atheros QCA7000 support" - depends on SPI_MASTER && OF_GPIO + depends on SPI_MASTER && OF ---help--- This SPI protocol driver supports the Qualcomm Atheros QCA7000. diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 002d4cdc319..a77f05ce832 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -180,7 +180,8 @@ static int efx_ef10_probe(struct efx_nic *efx) EFX_MAX_CHANNELS, resource_size(&efx->pci_dev->resource[EFX_MEM_BAR]) / (EFX_VI_PAGE_SIZE * EFX_TXQ_TYPES)); - BUG_ON(efx->max_channels == 0); + if (WARN_ON(efx->max_channels == 0)) + return -EIO; nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL); if (!nic_data) diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 2c62208077f..6cc3cf6f17c 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -2243,9 +2243,10 @@ static int smc_drv_probe(struct platform_device *pdev) const struct of_device_id *match = NULL; struct smc_local *lp; struct net_device *ndev; - struct resource *res, *ires; + struct resource *res; unsigned int __iomem *addr; unsigned long irq_flags = SMC_IRQ_FLAGS; + unsigned long irq_resflags; int ret; ndev = alloc_etherdev(sizeof(struct smc_local)); @@ -2337,16 +2338,19 @@ static int smc_drv_probe(struct platform_device *pdev) goto out_free_netdev; } - ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!ires) { + ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq <= 0) { ret = -ENODEV; goto out_release_io; } - - ndev->irq = ires->start; - - if (irq_flags == -1 || ires->flags & IRQF_TRIGGER_MASK) - irq_flags = ires->flags & IRQF_TRIGGER_MASK; + /* + * If this platform does not specify any special irqflags, or if + * the resource supplies a trigger, override the irqflags with + * the trigger flags from the resource. + */ + irq_resflags = irqd_get_trigger_type(irq_get_irq_data(ndev->irq)); + if (irq_flags == -1 || irq_resflags & IRQF_TRIGGER_MASK) + irq_flags = irq_resflags & IRQF_TRIGGER_MASK; ret = smc_request_attrib(pdev, ndev); if (ret) diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index affb29da353..77ed74561e5 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -1342,6 +1342,42 @@ static void smsc911x_rx_multicast_update_workaround(struct smsc911x_data *pdata) spin_unlock(&pdata->mac_lock); } +static int smsc911x_phy_general_power_up(struct smsc911x_data *pdata) +{ + int rc = 0; + + if (!pdata->phy_dev) + return rc; + + /* If the internal PHY is in General Power-Down mode, all, except the + * management interface, is powered-down and stays in that condition as + * long as Phy register bit 0.11 is HIGH. + * + * In that case, clear the bit 0.11, so the PHY powers up and we can + * access to the phy registers. + */ + rc = phy_read(pdata->phy_dev, MII_BMCR); + if (rc < 0) { + SMSC_WARN(pdata, drv, "Failed reading PHY control reg"); + return rc; + } + + /* If the PHY general power-down bit is not set is not necessary to + * disable the general power down-mode. + */ + if (rc & BMCR_PDOWN) { + rc = phy_write(pdata->phy_dev, MII_BMCR, rc & ~BMCR_PDOWN); + if (rc < 0) { + SMSC_WARN(pdata, drv, "Failed writing PHY control reg"); + return rc; + } + + usleep_range(1000, 1500); + } + + return 0; +} + static int smsc911x_phy_disable_energy_detect(struct smsc911x_data *pdata) { int rc = 0; @@ -1356,12 +1392,8 @@ static int smsc911x_phy_disable_energy_detect(struct smsc911x_data *pdata) return rc; } - /* - * If energy is detected the PHY is already awake so is not necessary - * to disable the energy detect power-down mode. - */ - if ((rc & MII_LAN83C185_EDPWRDOWN) && - !(rc & MII_LAN83C185_ENERGYON)) { + /* Only disable if energy detect mode is already enabled */ + if (rc & MII_LAN83C185_EDPWRDOWN) { /* Disable energy detect mode for this SMSC Transceivers */ rc = phy_write(pdata->phy_dev, MII_LAN83C185_CTRL_STATUS, rc & (~MII_LAN83C185_EDPWRDOWN)); @@ -1370,8 +1402,8 @@ static int smsc911x_phy_disable_energy_detect(struct smsc911x_data *pdata) SMSC_WARN(pdata, drv, "Failed writing PHY control reg"); return rc; } - - mdelay(1); + /* Allow PHY to wakeup */ + mdelay(2); } return 0; @@ -1393,7 +1425,6 @@ static int smsc911x_phy_enable_energy_detect(struct smsc911x_data *pdata) /* Only enable if energy detect mode is already disabled */ if (!(rc & MII_LAN83C185_EDPWRDOWN)) { - mdelay(100); /* Enable energy detect mode for this SMSC Transceivers */ rc = phy_write(pdata->phy_dev, MII_LAN83C185_CTRL_STATUS, rc | MII_LAN83C185_EDPWRDOWN); @@ -1402,8 +1433,6 @@ static int smsc911x_phy_enable_energy_detect(struct smsc911x_data *pdata) SMSC_WARN(pdata, drv, "Failed writing PHY control reg"); return rc; } - - mdelay(1); } return 0; } @@ -1415,6 +1444,16 @@ static int smsc911x_soft_reset(struct smsc911x_data *pdata) int ret; /* + * Make sure to power-up the PHY chip before doing a reset, otherwise + * the reset fails. + */ + ret = smsc911x_phy_general_power_up(pdata); + if (ret) { + SMSC_WARN(pdata, drv, "Failed to power-up the PHY chip"); + return ret; + } + + /* * LAN9210/LAN9211/LAN9220/LAN9221 chips have an internal PHY that * are initialized in a Energy Detect Power-Down mode that prevents * the MAC chip to be software reseted. So we have to wakeup the PHY diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 6f77a46c7e2..18c46bb0f3b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -276,6 +276,7 @@ static void stmmac_eee_ctrl_timer(unsigned long arg) bool stmmac_eee_init(struct stmmac_priv *priv) { char *phy_bus_name = priv->plat->phy_bus_name; + unsigned long flags; bool ret = false; /* Using PCS we cannot dial with the phy registers at this stage @@ -300,6 +301,7 @@ bool stmmac_eee_init(struct stmmac_priv *priv) * changed). * In that case the driver disable own timers. */ + spin_lock_irqsave(&priv->lock, flags); if (priv->eee_active) { pr_debug("stmmac: disable EEE\n"); del_timer_sync(&priv->eee_ctrl_timer); @@ -307,9 +309,11 @@ bool stmmac_eee_init(struct stmmac_priv *priv) tx_lpi_timer); } priv->eee_active = 0; + spin_unlock_irqrestore(&priv->lock, flags); goto out; } /* Activate the EEE and start timers */ + spin_lock_irqsave(&priv->lock, flags); if (!priv->eee_active) { priv->eee_active = 1; init_timer(&priv->eee_ctrl_timer); @@ -325,9 +329,10 @@ bool stmmac_eee_init(struct stmmac_priv *priv) /* Set HW EEE according to the speed */ priv->hw->mac->set_eee_pls(priv->hw, priv->phydev->link); - pr_debug("stmmac: Energy-Efficient Ethernet initialized\n"); - ret = true; + spin_unlock_irqrestore(&priv->lock, flags); + + pr_debug("stmmac: Energy-Efficient Ethernet initialized\n"); } out: return ret; @@ -760,12 +765,12 @@ static void stmmac_adjust_link(struct net_device *dev) if (new_state && netif_msg_link(priv)) phy_print_status(phydev); + spin_unlock_irqrestore(&priv->lock, flags); + /* At this stage, it could be needed to setup the EEE or adjust some * MAC related HW registers. */ priv->eee_enabled = stmmac_eee_init(priv); - - spin_unlock_irqrestore(&priv->lock, flags); } /** @@ -959,12 +964,12 @@ static void stmmac_clear_descriptors(struct stmmac_priv *priv) } static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, - int i) + int i, gfp_t flags) { struct sk_buff *skb; skb = __netdev_alloc_skb(priv->dev, priv->dma_buf_sz + NET_IP_ALIGN, - GFP_KERNEL); + flags); if (!skb) { pr_err("%s: Rx init fails; skb is NULL\n", __func__); return -ENOMEM; @@ -1006,7 +1011,7 @@ static void stmmac_free_rx_buffers(struct stmmac_priv *priv, int i) * and allocates the socket buffers. It suppors the chained and ring * modes. */ -static int init_dma_desc_rings(struct net_device *dev) +static int init_dma_desc_rings(struct net_device *dev, gfp_t flags) { int i; struct stmmac_priv *priv = netdev_priv(dev); @@ -1041,7 +1046,7 @@ static int init_dma_desc_rings(struct net_device *dev) else p = priv->dma_rx + i; - ret = stmmac_init_rx_buffers(priv, p, i); + ret = stmmac_init_rx_buffers(priv, p, i, flags); if (ret) goto err_init_rx_buffers; @@ -1647,11 +1652,6 @@ static int stmmac_hw_setup(struct net_device *dev) struct stmmac_priv *priv = netdev_priv(dev); int ret; - ret = init_dma_desc_rings(dev); - if (ret < 0) { - pr_err("%s: DMA descriptors initialization failed\n", __func__); - return ret; - } /* DMA initialization and SW reset */ ret = stmmac_init_dma_engine(priv); if (ret < 0) { @@ -1705,10 +1705,6 @@ static int stmmac_hw_setup(struct net_device *dev) } priv->tx_lpi_timer = STMMAC_DEFAULT_TWT_LS; - priv->eee_enabled = stmmac_eee_init(priv); - - stmmac_init_tx_coalesce(priv); - if ((priv->use_riwt) && (priv->hw->dma->rx_watchdog)) { priv->rx_riwt = MAX_DMA_RIWT; priv->hw->dma->rx_watchdog(priv->ioaddr, MAX_DMA_RIWT); @@ -1761,12 +1757,20 @@ static int stmmac_open(struct net_device *dev) goto dma_desc_error; } + ret = init_dma_desc_rings(dev, GFP_KERNEL); + if (ret < 0) { + pr_err("%s: DMA descriptors initialization failed\n", __func__); + goto init_error; + } + ret = stmmac_hw_setup(dev); if (ret < 0) { pr_err("%s: Hw setup failed\n", __func__); goto init_error; } + stmmac_init_tx_coalesce(priv); + if (priv->phydev) phy_start(priv->phydev); @@ -1894,7 +1898,10 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) unsigned int nopaged_len = skb_headlen(skb); unsigned int enh_desc = priv->plat->enh_desc; + spin_lock(&priv->tx_lock); + if (unlikely(stmmac_tx_avail(priv) < nfrags + 1)) { + spin_unlock(&priv->tx_lock); if (!netif_queue_stopped(dev)) { netif_stop_queue(dev); /* This is a hard error, log it. */ @@ -1903,8 +1910,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; } - spin_lock(&priv->tx_lock); - if (priv->tx_path_in_lpi_mode) stmmac_disable_eee_mode(priv); @@ -2025,6 +2030,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; dma_map_err: + spin_unlock(&priv->tx_lock); dev_err(priv->device, "Tx dma map failed\n"); dev_kfree_skb(skb); priv->dev->stats.tx_dropped++; @@ -2281,9 +2287,7 @@ static void stmmac_set_rx_mode(struct net_device *dev) { struct stmmac_priv *priv = netdev_priv(dev); - spin_lock(&priv->lock); priv->hw->mac->set_filter(priv->hw, dev); - spin_unlock(&priv->lock); } /** @@ -2950,7 +2954,7 @@ int stmmac_suspend(struct net_device *ndev) stmmac_set_mac(priv->ioaddr, false); pinctrl_pm_select_sleep_state(priv->device); /* Disable clock in case of PWM is off */ - clk_disable_unprepare(priv->stmmac_clk); + clk_disable(priv->stmmac_clk); } spin_unlock_irqrestore(&priv->lock, flags); @@ -2982,7 +2986,7 @@ int stmmac_resume(struct net_device *ndev) } else { pinctrl_pm_select_default_state(priv->device); /* enable the clk prevously disabled */ - clk_prepare_enable(priv->stmmac_clk); + clk_enable(priv->stmmac_clk); /* reset the phy so that it's ready */ if (priv->mii) stmmac_mdio_reset(priv->mii); @@ -2990,7 +2994,9 @@ int stmmac_resume(struct net_device *ndev) netif_device_attach(ndev); + init_dma_desc_rings(ndev, GFP_ATOMIC); stmmac_hw_setup(ndev); + stmmac_init_tx_coalesce(priv); napi_enable(&priv->napi); diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index 72c8525d545..9c014803b03 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -1262,6 +1262,7 @@ static void happy_meal_init_rings(struct happy_meal *hp) HMD(("init rxring, ")); for (i = 0; i < RX_RING_SIZE; i++) { struct sk_buff *skb; + u32 mapping; skb = happy_meal_alloc_skb(RX_BUF_ALLOC_SIZE, GFP_ATOMIC); if (!skb) { @@ -1272,10 +1273,16 @@ static void happy_meal_init_rings(struct happy_meal *hp) /* Because we reserve afterwards. */ skb_put(skb, (ETH_FRAME_LEN + RX_OFFSET + 4)); + mapping = dma_map_single(hp->dma_dev, skb->data, RX_BUF_ALLOC_SIZE, + DMA_FROM_DEVICE); + if (dma_mapping_error(hp->dma_dev, mapping)) { + dev_kfree_skb_any(skb); + hme_write_rxd(hp, &hb->happy_meal_rxd[i], 0, 0); + continue; + } hme_write_rxd(hp, &hb->happy_meal_rxd[i], (RXFLAG_OWN | ((RX_BUF_ALLOC_SIZE - RX_OFFSET) << 16)), - dma_map_single(hp->dma_dev, skb->data, RX_BUF_ALLOC_SIZE, - DMA_FROM_DEVICE)); + mapping); skb_reserve(skb, RX_OFFSET); } @@ -2020,6 +2027,7 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev) skb = hp->rx_skbs[elem]; if (len > RX_COPY_THRESHOLD) { struct sk_buff *new_skb; + u32 mapping; /* Now refill the entry, if we can. */ new_skb = happy_meal_alloc_skb(RX_BUF_ALLOC_SIZE, GFP_ATOMIC); @@ -2027,13 +2035,21 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev) drops++; goto drop_it; } + skb_put(new_skb, (ETH_FRAME_LEN + RX_OFFSET + 4)); + mapping = dma_map_single(hp->dma_dev, new_skb->data, + RX_BUF_ALLOC_SIZE, + DMA_FROM_DEVICE); + if (unlikely(dma_mapping_error(hp->dma_dev, mapping))) { + dev_kfree_skb_any(new_skb); + drops++; + goto drop_it; + } + dma_unmap_single(hp->dma_dev, dma_addr, RX_BUF_ALLOC_SIZE, DMA_FROM_DEVICE); hp->rx_skbs[elem] = new_skb; - skb_put(new_skb, (ETH_FRAME_LEN + RX_OFFSET + 4)); hme_write_rxd(hp, this, (RXFLAG_OWN|((RX_BUF_ALLOC_SIZE-RX_OFFSET)<<16)), - dma_map_single(hp->dma_dev, new_skb->data, RX_BUF_ALLOC_SIZE, - DMA_FROM_DEVICE)); + mapping); skb_reserve(new_skb, RX_OFFSET); /* Trim the original skb for the netif. */ @@ -2248,6 +2264,25 @@ static void happy_meal_tx_timeout(struct net_device *dev) netif_wake_queue(dev); } +static void unmap_partial_tx_skb(struct happy_meal *hp, u32 first_mapping, + u32 first_len, u32 first_entry, u32 entry) +{ + struct happy_meal_txd *txbase = &hp->happy_block->happy_meal_txd[0]; + + dma_unmap_single(hp->dma_dev, first_mapping, first_len, DMA_TO_DEVICE); + + first_entry = NEXT_TX(first_entry); + while (first_entry != entry) { + struct happy_meal_txd *this = &txbase[first_entry]; + u32 addr, len; + + addr = hme_read_desc32(hp, &this->tx_addr); + len = hme_read_desc32(hp, &this->tx_flags); + len &= TXFLAG_SIZE; + dma_unmap_page(hp->dma_dev, addr, len, DMA_TO_DEVICE); + } +} + static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev) { @@ -2284,6 +2319,8 @@ static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, len = skb->len; mapping = dma_map_single(hp->dma_dev, skb->data, len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(hp->dma_dev, mapping))) + goto out_dma_error; tx_flags |= (TXFLAG_SOP | TXFLAG_EOP); hme_write_txd(hp, &hp->happy_block->happy_meal_txd[entry], (tx_flags | (len & TXFLAG_SIZE)), @@ -2299,6 +2336,8 @@ static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, first_len = skb_headlen(skb); first_mapping = dma_map_single(hp->dma_dev, skb->data, first_len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(hp->dma_dev, first_mapping))) + goto out_dma_error; entry = NEXT_TX(entry); for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) { @@ -2308,6 +2347,11 @@ static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, len = skb_frag_size(this_frag); mapping = skb_frag_dma_map(hp->dma_dev, this_frag, 0, len, DMA_TO_DEVICE); + if (unlikely(dma_mapping_error(hp->dma_dev, mapping))) { + unmap_partial_tx_skb(hp, first_mapping, first_len, + first_entry, entry); + goto out_dma_error; + } this_txflags = tx_flags; if (frag == skb_shinfo(skb)->nr_frags - 1) this_txflags |= TXFLAG_EOP; @@ -2333,6 +2377,14 @@ static netdev_tx_t happy_meal_start_xmit(struct sk_buff *skb, tx_add_log(hp, TXLOG_ACTION_TXMIT, 0); return NETDEV_TX_OK; + +out_dma_error: + hp->tx_skbs[hp->tx_new] = NULL; + spin_unlock_irq(&hp->happy_lock); + + dev_kfree_skb_any(skb); + dev->stats.tx_dropped++; + return NETDEV_TX_OK; } static struct net_device_stats *happy_meal_get_stats(struct net_device *dev) diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c index 3ae83879a75..097ebe7077a 100644 --- a/drivers/net/ethernet/ti/cpsw_ale.c +++ b/drivers/net/ethernet/ti/cpsw_ale.c @@ -785,7 +785,6 @@ int cpsw_ale_destroy(struct cpsw_ale *ale) { if (!ale) return -EINVAL; - cpsw_ale_stop(ale); cpsw_ale_control_set(ale, 0, ALE_ENABLE, 0); kfree(ale); return 0; diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index ab92f67da03..4a4388b813a 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -264,7 +264,7 @@ static int cpts_match(struct sk_buff *skb, unsigned int ptp_class, switch (ptp_class & PTP_CLASS_PMASK) { case PTP_CLASS_IPV4: - offset += ETH_HLEN + IPV4_HLEN(data) + UDP_HLEN; + offset += ETH_HLEN + IPV4_HLEN(data + offset) + UDP_HLEN; break; case PTP_CLASS_IPV6: offset += ETH_HLEN + IP6_HLEN + UDP_HLEN; diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 6f226de655a..880cc090dc4 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -629,6 +629,8 @@ static void macvtap_skb_to_vnet_hdr(const struct sk_buff *skb, if (skb->ip_summed == CHECKSUM_PARTIAL) { vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM; vnet_hdr->csum_start = skb_checksum_start_offset(skb); + if (vlan_tx_tag_present(skb)) + vnet_hdr->csum_start += VLAN_HLEN; vnet_hdr->csum_offset = skb->csum_offset; } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) { vnet_hdr->flags = VIRTIO_NET_HDR_F_DATA_VALID; diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 2954052706e..e22e602beef 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -791,7 +791,7 @@ static int match(struct sk_buff *skb, unsigned int type, struct rxts *rxts) switch (type & PTP_CLASS_PMASK) { case PTP_CLASS_IPV4: - offset += ETH_HLEN + IPV4_HLEN(data) + UDP_HLEN; + offset += ETH_HLEN + IPV4_HLEN(data + offset) + UDP_HLEN; break; case PTP_CLASS_IPV6: offset += ETH_HLEN + IP6_HLEN + UDP_HLEN; @@ -934,7 +934,7 @@ static int is_sync(struct sk_buff *skb, int type) switch (type & PTP_CLASS_PMASK) { case PTP_CLASS_IPV4: - offset += ETH_HLEN + IPV4_HLEN(data) + UDP_HLEN; + offset += ETH_HLEN + IPV4_HLEN(data + offset) + UDP_HLEN; break; case PTP_CLASS_IPV6: offset += ETH_HLEN + IP6_HLEN + UDP_HLEN; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 1dfffdc9dfc..767cd110f49 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -352,6 +352,7 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) { struct mii_ioctl_data *mii_data = if_mii(ifr); u16 val = mii_data->val_in; + bool change_autoneg = false; switch (cmd) { case SIOCGMIIPHY: @@ -367,22 +368,29 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) if (mii_data->phy_id == phydev->addr) { switch (mii_data->reg_num) { case MII_BMCR: - if ((val & (BMCR_RESET | BMCR_ANENABLE)) == 0) + if ((val & (BMCR_RESET | BMCR_ANENABLE)) == 0) { + if (phydev->autoneg == AUTONEG_ENABLE) + change_autoneg = true; phydev->autoneg = AUTONEG_DISABLE; - else + if (val & BMCR_FULLDPLX) + phydev->duplex = DUPLEX_FULL; + else + phydev->duplex = DUPLEX_HALF; + if (val & BMCR_SPEED1000) + phydev->speed = SPEED_1000; + else if (val & BMCR_SPEED100) + phydev->speed = SPEED_100; + else phydev->speed = SPEED_10; + } + else { + if (phydev->autoneg == AUTONEG_DISABLE) + change_autoneg = true; phydev->autoneg = AUTONEG_ENABLE; - if (!phydev->autoneg && (val & BMCR_FULLDPLX)) - phydev->duplex = DUPLEX_FULL; - else - phydev->duplex = DUPLEX_HALF; - if (!phydev->autoneg && (val & BMCR_SPEED1000)) - phydev->speed = SPEED_1000; - else if (!phydev->autoneg && - (val & BMCR_SPEED100)) - phydev->speed = SPEED_100; + } break; case MII_ADVERTISE: - phydev->advertising = val; + phydev->advertising = mii_adv_to_ethtool_adv_t(val); + change_autoneg = true; break; default: /* do nothing */ @@ -396,6 +404,10 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd) if (mii_data->reg_num == MII_BMCR && val & BMCR_RESET) return phy_init_hw(phydev); + + if (change_autoneg) + return phy_start_aneg(phydev); + return 0; case SIOCSHWTSTAMP: diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 68c3a3f4e0a..794a4732936 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -755,23 +755,23 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) err = get_filter(argp, &code); if (err >= 0) { + struct bpf_prog *pass_filter = NULL; struct sock_fprog_kern fprog = { .len = err, .filter = code, }; - ppp_lock(ppp); - if (ppp->pass_filter) { - bpf_prog_destroy(ppp->pass_filter); - ppp->pass_filter = NULL; + err = 0; + if (fprog.filter) + err = bpf_prog_create(&pass_filter, &fprog); + if (!err) { + ppp_lock(ppp); + if (ppp->pass_filter) + bpf_prog_destroy(ppp->pass_filter); + ppp->pass_filter = pass_filter; + ppp_unlock(ppp); } - if (fprog.filter != NULL) - err = bpf_prog_create(&ppp->pass_filter, - &fprog); - else - err = 0; kfree(code); - ppp_unlock(ppp); } break; } @@ -781,23 +781,23 @@ static long ppp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) err = get_filter(argp, &code); if (err >= 0) { + struct bpf_prog *active_filter = NULL; struct sock_fprog_kern fprog = { .len = err, .filter = code, }; - ppp_lock(ppp); - if (ppp->active_filter) { - bpf_prog_destroy(ppp->active_filter); - ppp->active_filter = NULL; + err = 0; + if (fprog.filter) + err = bpf_prog_create(&active_filter, &fprog); + if (!err) { + ppp_lock(ppp); + if (ppp->active_filter) + bpf_prog_destroy(ppp->active_filter); + ppp->active_filter = active_filter; + ppp_unlock(ppp); } - if (fprog.filter != NULL) - err = bpf_prog_create(&ppp->active_filter, - &fprog); - else - err = 0; kfree(code); - ppp_unlock(ppp); } break; } diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 7302398f0b1..9dd3746994a 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1235,12 +1235,20 @@ static ssize_t tun_put_user(struct tun_struct *tun, struct tun_pi pi = { 0, skb->protocol }; ssize_t total = 0; int vlan_offset = 0, copied; + int vlan_hlen = 0; + int vnet_hdr_sz = 0; + + if (vlan_tx_tag_present(skb)) + vlan_hlen = VLAN_HLEN; + + if (tun->flags & TUN_VNET_HDR) + vnet_hdr_sz = tun->vnet_hdr_sz; if (!(tun->flags & TUN_NO_PI)) { if ((len -= sizeof(pi)) < 0) return -EINVAL; - if (len < skb->len) { + if (len < skb->len + vlan_hlen + vnet_hdr_sz) { /* Packet will be striped */ pi.flags |= TUN_PKT_STRIP; } @@ -1250,9 +1258,9 @@ static ssize_t tun_put_user(struct tun_struct *tun, total += sizeof(pi); } - if (tun->flags & TUN_VNET_HDR) { + if (vnet_hdr_sz) { struct virtio_net_hdr gso = { 0 }; /* no info leak */ - if ((len -= tun->vnet_hdr_sz) < 0) + if ((len -= vnet_hdr_sz) < 0) return -EINVAL; if (skb_is_gso(skb)) { @@ -1284,7 +1292,8 @@ static ssize_t tun_put_user(struct tun_struct *tun, if (skb->ip_summed == CHECKSUM_PARTIAL) { gso.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM; - gso.csum_start = skb_checksum_start_offset(skb); + gso.csum_start = skb_checksum_start_offset(skb) + + vlan_hlen; gso.csum_offset = skb->csum_offset; } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) { gso.flags = VIRTIO_NET_HDR_F_DATA_VALID; @@ -1293,14 +1302,13 @@ static ssize_t tun_put_user(struct tun_struct *tun, if (unlikely(memcpy_toiovecend(iv, (void *)&gso, total, sizeof(gso)))) return -EFAULT; - total += tun->vnet_hdr_sz; + total += vnet_hdr_sz; } copied = total; - total += skb->len; - if (!vlan_tx_tag_present(skb)) { - len = min_t(int, skb->len, len); - } else { + len = min_t(int, skb->len + vlan_hlen, len); + total += skb->len + vlan_hlen; + if (vlan_hlen) { int copy, ret; struct { __be16 h_vlan_proto; @@ -1311,8 +1319,6 @@ static ssize_t tun_put_user(struct tun_struct *tun, veth.h_vlan_TCI = htons(vlan_tx_tag_get(skb)); vlan_offset = offsetof(struct vlan_ethhdr, h_vlan_proto); - len = min_t(int, skb->len + VLAN_HLEN, len); - total += VLAN_HLEN; copy = min_t(int, vlan_offset, len); ret = skb_copy_datagram_const_iovec(skb, 0, iv, copied, copy); diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index 2c05f6cdb12..816d511e34d 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -465,19 +465,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) return ret; } - ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL); - if (ret < 0) - return ret; - - msleep(150); - - ret = asix_sw_reset(dev, AX_SWRESET_CLEAR); - if (ret < 0) - return ret; - - msleep(150); - - ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE); + ax88772_reset(dev); /* Read PHYID register *AFTER* the PHY was reset properly */ phyid = asix_get_phyid(dev); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index ca309820d39..fa9dc45b75a 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -275,13 +275,15 @@ static inline struct vxlan_rdst *first_remote_rtnl(struct vxlan_fdb *fdb) return list_first_entry(&fdb->remotes, struct vxlan_rdst, list); } -/* Find VXLAN socket based on network namespace and UDP port */ -static struct vxlan_sock *vxlan_find_sock(struct net *net, __be16 port) +/* Find VXLAN socket based on network namespace, address family and UDP port */ +static struct vxlan_sock *vxlan_find_sock(struct net *net, + sa_family_t family, __be16 port) { struct vxlan_sock *vs; hlist_for_each_entry_rcu(vs, vs_head(net, port), hlist) { - if (inet_sk(vs->sock->sk)->inet_sport == port) + if (inet_sk(vs->sock->sk)->inet_sport == port && + inet_sk(vs->sock->sk)->sk.sk_family == family) return vs; } return NULL; @@ -300,11 +302,12 @@ static struct vxlan_dev *vxlan_vs_find_vni(struct vxlan_sock *vs, u32 id) } /* Look up VNI in a per net namespace table */ -static struct vxlan_dev *vxlan_find_vni(struct net *net, u32 id, __be16 port) +static struct vxlan_dev *vxlan_find_vni(struct net *net, u32 id, + sa_family_t family, __be16 port) { struct vxlan_sock *vs; - vs = vxlan_find_sock(net, port); + vs = vxlan_find_sock(net, family, port); if (!vs) return NULL; @@ -621,6 +624,8 @@ static int vxlan_gro_complete(struct sk_buff *skb, int nhoff) int vxlan_len = sizeof(struct vxlanhdr) + sizeof(struct ethhdr); int err = -ENOSYS; + udp_tunnel_gro_complete(skb, nhoff); + eh = (struct ethhdr *)(skb->data + nhoff + sizeof(struct vxlanhdr)); type = eh->h_proto; @@ -1771,7 +1776,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, struct vxlan_dev *dst_vxlan; ip_rt_put(rt); - dst_vxlan = vxlan_find_vni(vxlan->net, vni, dst_port); + dst_vxlan = vxlan_find_vni(vxlan->net, vni, + dst->sa.sa_family, dst_port); if (!dst_vxlan) goto tx_error; vxlan_encap_bypass(skb, vxlan, dst_vxlan); @@ -1825,7 +1831,8 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, struct vxlan_dev *dst_vxlan; dst_release(ndst); - dst_vxlan = vxlan_find_vni(vxlan->net, vni, dst_port); + dst_vxlan = vxlan_find_vni(vxlan->net, vni, + dst->sa.sa_family, dst_port); if (!dst_vxlan) goto tx_error; vxlan_encap_bypass(skb, vxlan, dst_vxlan); @@ -1985,13 +1992,15 @@ static int vxlan_init(struct net_device *dev) struct vxlan_dev *vxlan = netdev_priv(dev); struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id); struct vxlan_sock *vs; + bool ipv6 = vxlan->flags & VXLAN_F_IPV6; dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); if (!dev->tstats) return -ENOMEM; spin_lock(&vn->sock_lock); - vs = vxlan_find_sock(vxlan->net, vxlan->dst_port); + vs = vxlan_find_sock(vxlan->net, ipv6 ? AF_INET6 : AF_INET, + vxlan->dst_port); if (vs) { /* If we have a socket with same port already, reuse it */ atomic_inc(&vs->refcnt); @@ -2382,6 +2391,7 @@ struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port, { struct vxlan_net *vn = net_generic(net, vxlan_net_id); struct vxlan_sock *vs; + bool ipv6 = flags & VXLAN_F_IPV6; vs = vxlan_socket_create(net, port, rcv, data, flags); if (!IS_ERR(vs)) @@ -2391,7 +2401,7 @@ struct vxlan_sock *vxlan_sock_add(struct net *net, __be16 port, return vs; spin_lock(&vn->sock_lock); - vs = vxlan_find_sock(net, port); + vs = vxlan_find_sock(net, ipv6 ? AF_INET6 : AF_INET, port); if (vs) { if (vs->rcv == rcv) atomic_inc(&vs->refcnt); @@ -2550,7 +2560,8 @@ static int vxlan_newlink(struct net *net, struct net_device *dev, nla_get_u8(data[IFLA_VXLAN_UDP_ZERO_CSUM6_RX])) vxlan->flags |= VXLAN_F_UDP_ZERO_CSUM6_RX; - if (vxlan_find_vni(net, vni, vxlan->dst_port)) { + if (vxlan_find_vni(net, vni, use_ipv6 ? AF_INET6 : AF_INET, + vxlan->dst_port)) { pr_info("duplicate VNI %u\n", vni); return -EEXIST; } diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index e0d9f19650b..eb03943f846 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -284,7 +284,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) lockdep_assert_held(&mvm->mutex); - if (WARN_ON_ONCE(mvm->init_ucode_complete)) + if (WARN_ON_ONCE(mvm->init_ucode_complete || mvm->calibrating)) return 0; iwl_init_notification_wait(&mvm->notif_wait, @@ -334,6 +334,8 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) goto out; } + mvm->calibrating = true; + /* Send TX valid antennas before triggering calibrations */ ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant); if (ret) @@ -358,11 +360,17 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) MVM_UCODE_CALIB_TIMEOUT); if (!ret) mvm->init_ucode_complete = true; + + if (ret && iwl_mvm_is_radio_killed(mvm)) { + IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); + ret = 1; + } goto out; error: iwl_remove_notification(&mvm->notif_wait, &calib_wait); out: + mvm->calibrating = false; if (iwlmvm_mod_params.init_dbg && !mvm->nvm_data) { /* we want to debug INIT and we have no NVM - fake */ mvm->nvm_data = kzalloc(sizeof(struct iwl_nvm_data) + diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 585fe5b7100..b62405865b2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -788,6 +788,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) mvm->scan_status = IWL_MVM_SCAN_NONE; mvm->ps_disabled = false; + mvm->calibrating = false; /* just in case one was running */ ieee80211_remain_on_channel_expired(mvm->hw); diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index b153ced7015..845429c88cf 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -548,6 +548,7 @@ struct iwl_mvm { enum iwl_ucode_type cur_ucode; bool ucode_loaded; bool init_ucode_complete; + bool calibrating; u32 error_event_table; u32 log_event_table; u32 umac_error_event_table; diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 48cb25a9359..5b719ee8e78 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -424,6 +424,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, } mvm->sf_state = SF_UNINIT; mvm->low_latency_agg_frame_limit = 6; + mvm->cur_ucode = IWL_UCODE_INIT; mutex_init(&mvm->mutex); mutex_init(&mvm->d0i3_suspend_mutex); @@ -752,6 +753,7 @@ void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); + bool calibrating = ACCESS_ONCE(mvm->calibrating); if (state) set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); @@ -760,7 +762,15 @@ static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) wiphy_rfkill_set_hw_state(mvm->hw->wiphy, iwl_mvm_is_radio_killed(mvm)); - return state && mvm->cur_ucode != IWL_UCODE_INIT; + /* iwl_run_init_mvm_ucode is waiting for results, abort it */ + if (calibrating) + iwl_abort_notification_waits(&mvm->notif_wait); + + /* + * Stop the device if we run OPERATIONAL firmware or if we are in the + * middle of the calibrations. + */ + return state && (mvm->cur_ucode != IWL_UCODE_INIT || calibrating); } static void iwl_mvm_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 3781b029e54..160c3ebc48d 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -915,7 +915,8 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) * restart. So don't process again if the device is * already dead. */ - if (test_bit(STATUS_DEVICE_ENABLED, &trans->status)) { + if (test_and_clear_bit(STATUS_DEVICE_ENABLED, &trans->status)) { + IWL_DEBUG_INFO(trans, "DEVICE_ENABLED bit was set and is now cleared\n"); iwl_pcie_tx_stop(trans); iwl_pcie_rx_stop(trans); @@ -945,7 +946,6 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) /* clear all status bits */ clear_bit(STATUS_SYNC_HCMD_ACTIVE, &trans->status); clear_bit(STATUS_INT_ENABLED, &trans->status); - clear_bit(STATUS_DEVICE_ENABLED, &trans->status); clear_bit(STATUS_TPOWER_PMI, &trans->status); clear_bit(STATUS_RFKILL, &trans->status); diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index babbdc1ce74..c9ad4cf1adf 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1987,7 +1987,7 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2, if (err != 0) { printk(KERN_DEBUG "mac80211_hwsim: device_bind_driver failed (%d)\n", err); - goto failed_hw; + goto failed_bind; } skb_queue_head_init(&data->pending); @@ -2183,6 +2183,8 @@ static int mac80211_hwsim_create_radio(int channels, const char *reg_alpha2, return idx; failed_hw: + device_release_driver(data->dev); +failed_bind: device_unregister(data->dev); failed_drvdata: ieee80211_free_hw(hw); diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 4dcfb7116a0..a2eabe6ff9a 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -202,6 +202,7 @@ config TC1100_WMI config HP_ACCEL tristate "HP laptop accelerometer" depends on INPUT && ACPI + depends on SERIO_I8042 select SENSORS_LIS3LV02D select NEW_LEDS select LEDS_CLASS diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index 13e14ec1d3d..6bec745b6b9 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -37,6 +37,8 @@ #include <linux/leds.h> #include <linux/atomic.h> #include <linux/acpi.h> +#include <linux/i8042.h> +#include <linux/serio.h> #include "../../misc/lis3lv02d/lis3lv02d.h" #define DRIVER_NAME "hp_accel" @@ -73,6 +75,13 @@ static inline void delayed_sysfs_set(struct led_classdev *led_cdev, /* HP-specific accelerometer driver ------------------------------------ */ +/* e0 25, e0 26, e0 27, e0 28 are scan codes that the accelerometer with acpi id + * HPQ6000 sends through the keyboard bus */ +#define ACCEL_1 0x25 +#define ACCEL_2 0x26 +#define ACCEL_3 0x27 +#define ACCEL_4 0x28 + /* For automatic insertion of the module */ static const struct acpi_device_id lis3lv02d_device_ids[] = { {"HPQ0004", 0}, /* HP Mobile Data Protection System PNP */ @@ -294,6 +303,35 @@ static void lis3lv02d_enum_resources(struct acpi_device *device) printk(KERN_DEBUG DRIVER_NAME ": Error getting resources\n"); } +static bool hp_accel_i8042_filter(unsigned char data, unsigned char str, + struct serio *port) +{ + static bool extended; + + if (str & I8042_STR_AUXDATA) + return false; + + if (data == 0xe0) { + extended = true; + return true; + } else if (unlikely(extended)) { + extended = false; + + switch (data) { + case ACCEL_1: + case ACCEL_2: + case ACCEL_3: + case ACCEL_4: + return true; + default: + serio_interrupt(port, 0xe0, 0); + return false; + } + } + + return false; +} + static int lis3lv02d_add(struct acpi_device *device) { int ret; @@ -326,6 +364,11 @@ static int lis3lv02d_add(struct acpi_device *device) if (ret) return ret; + /* filter to remove HPQ6000 accelerometer data + * from keyboard bus stream */ + if (strstr(dev_name(&device->dev), "HPQ6000")) + i8042_install_filter(hp_accel_i8042_filter); + INIT_WORK(&hpled_led.work, delayed_set_status_worker); ret = led_classdev_register(NULL, &hpled_led.led_classdev); if (ret) { @@ -343,6 +386,7 @@ static int lis3lv02d_remove(struct acpi_device *device) if (!device) return -EINVAL; + i8042_remove_filter(hp_accel_i8042_filter); lis3lv02d_joystick_disable(&lis3_dev); lis3lv02d_poweroff(&lis3_dev); diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c index 217da4b2ca8..99a78d365ce 100644 --- a/drivers/power/ab8500_fg.c +++ b/drivers/power/ab8500_fg.c @@ -25,6 +25,7 @@ #include <linux/slab.h> #include <linux/delay.h> #include <linux/time.h> +#include <linux/time64.h> #include <linux/of.h> #include <linux/completion.h> #include <linux/mfd/core.h> @@ -108,7 +109,7 @@ enum ab8500_fg_calibration_state { struct ab8500_fg_avg_cap { int avg; int samples[NBR_AVG_SAMPLES]; - __kernel_time_t time_stamps[NBR_AVG_SAMPLES]; + time64_t time_stamps[NBR_AVG_SAMPLES]; int pos; int nbr_samples; int sum; @@ -386,15 +387,15 @@ static int ab8500_fg_is_low_curr(struct ab8500_fg *di, int curr) */ static int ab8500_fg_add_cap_sample(struct ab8500_fg *di, int sample) { - struct timespec ts; + struct timespec64 ts64; struct ab8500_fg_avg_cap *avg = &di->avg_cap; - getnstimeofday(&ts); + getnstimeofday64(&ts64); do { avg->sum += sample - avg->samples[avg->pos]; avg->samples[avg->pos] = sample; - avg->time_stamps[avg->pos] = ts.tv_sec; + avg->time_stamps[avg->pos] = ts64.tv_sec; avg->pos++; if (avg->pos == NBR_AVG_SAMPLES) @@ -407,7 +408,7 @@ static int ab8500_fg_add_cap_sample(struct ab8500_fg *di, int sample) * Check the time stamp for each sample. If too old, * replace with latest sample */ - } while (ts.tv_sec - VALID_CAPACITY_SEC > avg->time_stamps[avg->pos]); + } while (ts64.tv_sec - VALID_CAPACITY_SEC > avg->time_stamps[avg->pos]); avg->avg = avg->sum / avg->nbr_samples; @@ -446,14 +447,14 @@ static void ab8500_fg_clear_cap_samples(struct ab8500_fg *di) static void ab8500_fg_fill_cap_sample(struct ab8500_fg *di, int sample) { int i; - struct timespec ts; + struct timespec64 ts64; struct ab8500_fg_avg_cap *avg = &di->avg_cap; - getnstimeofday(&ts); + getnstimeofday64(&ts64); for (i = 0; i < NBR_AVG_SAMPLES; i++) { avg->samples[i] = sample; - avg->time_stamps[i] = ts.tv_sec; + avg->time_stamps[i] = ts64.tv_sec; } avg->pos = 0; diff --git a/drivers/power/bq2415x_charger.c b/drivers/power/bq2415x_charger.c index e384844a1ae..1f49986fc60 100644 --- a/drivers/power/bq2415x_charger.c +++ b/drivers/power/bq2415x_charger.c @@ -1579,8 +1579,15 @@ static int bq2415x_probe(struct i2c_client *client, if (np) { bq->notify_psy = power_supply_get_by_phandle(np, "ti,usb-charger-detection"); - if (!bq->notify_psy) - return -EPROBE_DEFER; + if (IS_ERR(bq->notify_psy)) { + dev_info(&client->dev, + "no 'ti,usb-charger-detection' property (err=%ld)\n", + PTR_ERR(bq->notify_psy)); + bq->notify_psy = NULL; + } else if (!bq->notify_psy) { + ret = -EPROBE_DEFER; + goto error_2; + } } else if (pdata->notify_device) bq->notify_psy = power_supply_get_by_name(pdata->notify_device); @@ -1602,27 +1609,27 @@ static int bq2415x_probe(struct i2c_client *client, ret = of_property_read_u32(np, "ti,current-limit", &bq->init_data.current_limit); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,weak-battery-voltage", &bq->init_data.weak_battery_voltage); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,battery-regulation-voltage", &bq->init_data.battery_regulation_voltage); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,charge-current", &bq->init_data.charge_current); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,termination-current", &bq->init_data.termination_current); if (ret) - return ret; + goto error_2; ret = of_property_read_u32(np, "ti,resistor-sense", &bq->init_data.resistor_sense); if (ret) - return ret; + goto error_2; } else { memcpy(&bq->init_data, pdata, sizeof(bq->init_data)); } diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c index 7098a1ce2d3..ef8094a61f1 100644 --- a/drivers/power/charger-manager.c +++ b/drivers/power/charger-manager.c @@ -97,6 +97,7 @@ static struct charger_global_desc *g_desc; /* init with setup_charger_manager */ static bool is_batt_present(struct charger_manager *cm) { union power_supply_propval val; + struct power_supply *psy; bool present = false; int i, ret; @@ -107,16 +108,27 @@ static bool is_batt_present(struct charger_manager *cm) case CM_NO_BATTERY: break; case CM_FUEL_GAUGE: - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + psy = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!psy) + break; + + ret = psy->get_property(psy, POWER_SUPPLY_PROP_PRESENT, &val); if (ret == 0 && val.intval) present = true; break; case CM_CHARGER_STAT: - for (i = 0; cm->charger_stat[i]; i++) { - ret = cm->charger_stat[i]->get_property( - cm->charger_stat[i], - POWER_SUPPLY_PROP_PRESENT, &val); + for (i = 0; cm->desc->psy_charger_stat[i]; i++) { + psy = power_supply_get_by_name( + cm->desc->psy_charger_stat[i]); + if (!psy) { + dev_err(cm->dev, "Cannot find power supply \"%s\"\n", + cm->desc->psy_charger_stat[i]); + continue; + } + + ret = psy->get_property(psy, POWER_SUPPLY_PROP_PRESENT, + &val); if (ret == 0 && val.intval) { present = true; break; @@ -139,14 +151,20 @@ static bool is_batt_present(struct charger_manager *cm) static bool is_ext_pwr_online(struct charger_manager *cm) { union power_supply_propval val; + struct power_supply *psy; bool online = false; int i, ret; /* If at least one of them has one, it's yes. */ - for (i = 0; cm->charger_stat[i]; i++) { - ret = cm->charger_stat[i]->get_property( - cm->charger_stat[i], - POWER_SUPPLY_PROP_ONLINE, &val); + for (i = 0; cm->desc->psy_charger_stat[i]; i++) { + psy = power_supply_get_by_name(cm->desc->psy_charger_stat[i]); + if (!psy) { + dev_err(cm->dev, "Cannot find power supply \"%s\"\n", + cm->desc->psy_charger_stat[i]); + continue; + } + + ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val); if (ret == 0 && val.intval) { online = true; break; @@ -167,12 +185,14 @@ static bool is_ext_pwr_online(struct charger_manager *cm) static int get_batt_uV(struct charger_manager *cm, int *uV) { union power_supply_propval val; + struct power_supply *fuel_gauge; int ret; - if (!cm->fuel_gauge) + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) return -ENODEV; - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_VOLTAGE_NOW, &val); if (ret) return ret; @@ -189,6 +209,7 @@ static bool is_charging(struct charger_manager *cm) { int i, ret; bool charging = false; + struct power_supply *psy; union power_supply_propval val; /* If there is no battery, it cannot be charged */ @@ -196,17 +217,22 @@ static bool is_charging(struct charger_manager *cm) return false; /* If at least one of the charger is charging, return yes */ - for (i = 0; cm->charger_stat[i]; i++) { + for (i = 0; cm->desc->psy_charger_stat[i]; i++) { /* 1. The charger sholuld not be DISABLED */ if (cm->emergency_stop) continue; if (!cm->charger_enabled) continue; + psy = power_supply_get_by_name(cm->desc->psy_charger_stat[i]); + if (!psy) { + dev_err(cm->dev, "Cannot find power supply \"%s\"\n", + cm->desc->psy_charger_stat[i]); + continue; + } + /* 2. The charger should be online (ext-power) */ - ret = cm->charger_stat[i]->get_property( - cm->charger_stat[i], - POWER_SUPPLY_PROP_ONLINE, &val); + ret = psy->get_property(psy, POWER_SUPPLY_PROP_ONLINE, &val); if (ret) { dev_warn(cm->dev, "Cannot read ONLINE value from %s\n", cm->desc->psy_charger_stat[i]); @@ -219,9 +245,7 @@ static bool is_charging(struct charger_manager *cm) * 3. The charger should not be FULL, DISCHARGING, * or NOT_CHARGING. */ - ret = cm->charger_stat[i]->get_property( - cm->charger_stat[i], - POWER_SUPPLY_PROP_STATUS, &val); + ret = psy->get_property(psy, POWER_SUPPLY_PROP_STATUS, &val); if (ret) { dev_warn(cm->dev, "Cannot read STATUS value from %s\n", cm->desc->psy_charger_stat[i]); @@ -248,6 +272,7 @@ static bool is_full_charged(struct charger_manager *cm) { struct charger_desc *desc = cm->desc; union power_supply_propval val; + struct power_supply *fuel_gauge; int ret = 0; int uV; @@ -255,11 +280,15 @@ static bool is_full_charged(struct charger_manager *cm) if (!is_batt_present(cm)) return false; - if (cm->fuel_gauge && desc->fullbatt_full_capacity > 0) { + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) + return false; + + if (desc->fullbatt_full_capacity > 0) { val.intval = 0; /* Not full if capacity of fuel gauge isn't full */ - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CHARGE_FULL, &val); if (!ret && val.intval > desc->fullbatt_full_capacity) return true; @@ -273,10 +302,10 @@ static bool is_full_charged(struct charger_manager *cm) } /* Full, if the capacity is more than fullbatt_soc */ - if (cm->fuel_gauge && desc->fullbatt_soc > 0) { + if (desc->fullbatt_soc > 0) { val.intval = 0; - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CAPACITY, &val); if (!ret && val.intval >= desc->fullbatt_soc) return true; @@ -551,6 +580,20 @@ static int check_charging_duration(struct charger_manager *cm) return ret; } +static int cm_get_battery_temperature_by_psy(struct charger_manager *cm, + int *temp) +{ + struct power_supply *fuel_gauge; + + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) + return -ENODEV; + + return fuel_gauge->get_property(fuel_gauge, + POWER_SUPPLY_PROP_TEMP, + (union power_supply_propval *)temp); +} + static int cm_get_battery_temperature(struct charger_manager *cm, int *temp) { @@ -560,15 +603,18 @@ static int cm_get_battery_temperature(struct charger_manager *cm, return -ENODEV; #ifdef CONFIG_THERMAL - ret = thermal_zone_get_temp(cm->tzd_batt, (unsigned long *)temp); - if (!ret) - /* Calibrate temperature unit */ - *temp /= 100; -#else - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, - POWER_SUPPLY_PROP_TEMP, - (union power_supply_propval *)temp); + if (cm->tzd_batt) { + ret = thermal_zone_get_temp(cm->tzd_batt, (unsigned long *)temp); + if (!ret) + /* Calibrate temperature unit */ + *temp /= 100; + } else #endif + { + /* if-else continued from CONFIG_THERMAL */ + ret = cm_get_battery_temperature_by_psy(cm, temp); + } + return ret; } @@ -827,6 +873,7 @@ static int charger_get_property(struct power_supply *psy, struct charger_manager *cm = container_of(psy, struct charger_manager, charger_psy); struct charger_desc *desc = cm->desc; + struct power_supply *fuel_gauge; int ret = 0; int uV; @@ -857,14 +904,20 @@ static int charger_get_property(struct power_supply *psy, ret = get_batt_uV(cm, &val->intval); break; case POWER_SUPPLY_PROP_CURRENT_NOW: - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) { + ret = -ENODEV; + break; + } + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CURRENT_NOW, val); break; case POWER_SUPPLY_PROP_TEMP: case POWER_SUPPLY_PROP_TEMP_AMBIENT: return cm_get_battery_temperature(cm, &val->intval); case POWER_SUPPLY_PROP_CAPACITY: - if (!cm->fuel_gauge) { + fuel_gauge = power_supply_get_by_name(cm->desc->psy_fuel_gauge); + if (!fuel_gauge) { ret = -ENODEV; break; } @@ -875,7 +928,7 @@ static int charger_get_property(struct power_supply *psy, break; } - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CAPACITY, val); if (ret) break; @@ -924,7 +977,14 @@ static int charger_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CHARGE_NOW: if (is_charging(cm)) { - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + fuel_gauge = power_supply_get_by_name( + cm->desc->psy_fuel_gauge); + if (!fuel_gauge) { + ret = -ENODEV; + break; + } + + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CHARGE_NOW, val); if (ret) { @@ -970,6 +1030,7 @@ static struct power_supply psy_default = { .properties = default_charger_props, .num_properties = ARRAY_SIZE(default_charger_props), .get_property = charger_get_property, + .no_thermal = true, }; /** @@ -1485,14 +1546,15 @@ err: return ret; } -static int cm_init_thermal_data(struct charger_manager *cm) +static int cm_init_thermal_data(struct charger_manager *cm, + struct power_supply *fuel_gauge) { struct charger_desc *desc = cm->desc; union power_supply_propval val; int ret; /* Verify whether fuel gauge provides battery temperature */ - ret = cm->fuel_gauge->get_property(cm->fuel_gauge, + ret = fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_TEMP, &val); if (!ret) { @@ -1502,8 +1564,6 @@ static int cm_init_thermal_data(struct charger_manager *cm) cm->desc->measure_battery_temp = true; } #ifdef CONFIG_THERMAL - cm->tzd_batt = cm->fuel_gauge->tzd; - if (ret && desc->thermal_zone) { cm->tzd_batt = thermal_zone_get_zone_by_name(desc->thermal_zone); @@ -1666,6 +1726,7 @@ static int charger_manager_probe(struct platform_device *pdev) int ret = 0, i = 0; int j = 0; union power_supply_propval val; + struct power_supply *fuel_gauge; if (g_desc && !rtc_dev && g_desc->rtc_name) { rtc_dev = rtc_class_open(g_desc->rtc_name); @@ -1729,23 +1790,20 @@ static int charger_manager_probe(struct platform_device *pdev) while (desc->psy_charger_stat[i]) i++; - cm->charger_stat = devm_kzalloc(&pdev->dev, - sizeof(struct power_supply *) * i, GFP_KERNEL); - if (!cm->charger_stat) - return -ENOMEM; - + /* Check if charger's supplies are present at probe */ for (i = 0; desc->psy_charger_stat[i]; i++) { - cm->charger_stat[i] = power_supply_get_by_name( - desc->psy_charger_stat[i]); - if (!cm->charger_stat[i]) { + struct power_supply *psy; + + psy = power_supply_get_by_name(desc->psy_charger_stat[i]); + if (!psy) { dev_err(&pdev->dev, "Cannot find power supply \"%s\"\n", desc->psy_charger_stat[i]); return -ENODEV; } } - cm->fuel_gauge = power_supply_get_by_name(desc->psy_fuel_gauge); - if (!cm->fuel_gauge) { + fuel_gauge = power_supply_get_by_name(desc->psy_fuel_gauge); + if (!fuel_gauge) { dev_err(&pdev->dev, "Cannot find power supply \"%s\"\n", desc->psy_fuel_gauge); return -ENODEV; @@ -1788,13 +1846,13 @@ static int charger_manager_probe(struct platform_device *pdev) cm->charger_psy.num_properties = psy_default.num_properties; /* Find which optional psy-properties are available */ - if (!cm->fuel_gauge->get_property(cm->fuel_gauge, + if (!fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CHARGE_NOW, &val)) { cm->charger_psy.properties[cm->charger_psy.num_properties] = POWER_SUPPLY_PROP_CHARGE_NOW; cm->charger_psy.num_properties++; } - if (!cm->fuel_gauge->get_property(cm->fuel_gauge, + if (!fuel_gauge->get_property(fuel_gauge, POWER_SUPPLY_PROP_CURRENT_NOW, &val)) { cm->charger_psy.properties[cm->charger_psy.num_properties] = @@ -1802,7 +1860,7 @@ static int charger_manager_probe(struct platform_device *pdev) cm->charger_psy.num_properties++; } - ret = cm_init_thermal_data(cm); + ret = cm_init_thermal_data(cm, fuel_gauge); if (ret) { dev_err(&pdev->dev, "Failed to initialize thermal data\n"); cm->desc->measure_battery_temp = false; @@ -2066,8 +2124,8 @@ static bool find_power_supply(struct charger_manager *cm, int i; bool found = false; - for (i = 0; cm->charger_stat[i]; i++) { - if (psy == cm->charger_stat[i]) { + for (i = 0; cm->desc->psy_charger_stat[i]; i++) { + if (!strcmp(psy->name, cm->desc->psy_charger_stat[i])) { found = true; break; } diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 6cb7fe5c022..694e8cddd5c 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -417,6 +417,9 @@ static int psy_register_thermal(struct power_supply *psy) { int i; + if (psy->no_thermal) + return 0; + /* Register battery zone device psy reports temperature */ for (i = 0; i < psy->num_properties; i++) { if (psy->properties[i] == POWER_SUPPLY_PROP_TEMP) { diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c index 6cbe6ef3c88..bda52f18e96 100644 --- a/drivers/s390/kvm/virtio_ccw.c +++ b/drivers/s390/kvm/virtio_ccw.c @@ -888,7 +888,6 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev, struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev); int i; struct virtqueue *vq; - struct virtio_driver *drv; if (!vcdev) return; diff --git a/drivers/scsi/bnx2fc/bnx2fc_els.c b/drivers/scsi/bnx2fc/bnx2fc_els.c index ca75c7ca255..ef355c13ccc 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_els.c +++ b/drivers/scsi/bnx2fc/bnx2fc_els.c @@ -480,9 +480,7 @@ void bnx2fc_rec_compl(struct bnx2fc_els_cb_arg *cb_arg) bnx2fc_initiate_cleanup(orig_io_req); /* Post a new IO req with the same sc_cmd */ BNX2FC_IO_DBG(rec_req, "Post IO request again\n"); - spin_unlock_bh(&tgt->tgt_lock); rc = bnx2fc_post_io_req(tgt, new_io_req); - spin_lock_bh(&tgt->tgt_lock); if (!rc) goto free_frame; BNX2FC_IO_DBG(rec_req, "REC: io post err\n"); diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 0679782d9d1..5b99844ef6b 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -1894,18 +1894,24 @@ int bnx2fc_queuecommand(struct Scsi_Host *host, goto exit_qcmd; } } + + spin_lock_bh(&tgt->tgt_lock); + io_req = bnx2fc_cmd_alloc(tgt); if (!io_req) { rc = SCSI_MLQUEUE_HOST_BUSY; - goto exit_qcmd; + goto exit_qcmd_tgtlock; } io_req->sc_cmd = sc_cmd; if (bnx2fc_post_io_req(tgt, io_req)) { printk(KERN_ERR PFX "Unable to post io_req\n"); rc = SCSI_MLQUEUE_HOST_BUSY; - goto exit_qcmd; + goto exit_qcmd_tgtlock; } + +exit_qcmd_tgtlock: + spin_unlock_bh(&tgt->tgt_lock); exit_qcmd: return rc; } @@ -2020,6 +2026,8 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, int task_idx, index; u16 xid; + /* bnx2fc_post_io_req() is called with the tgt_lock held */ + /* Initialize rest of io_req fields */ io_req->cmd_type = BNX2FC_SCSI_CMD; io_req->port = port; @@ -2047,9 +2055,7 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, /* Build buffer descriptor list for firmware from sg list */ if (bnx2fc_build_bd_list_from_sg(io_req)) { printk(KERN_ERR PFX "BD list creation failed\n"); - spin_lock_bh(&tgt->tgt_lock); kref_put(&io_req->refcount, bnx2fc_cmd_release); - spin_unlock_bh(&tgt->tgt_lock); return -EAGAIN; } @@ -2061,19 +2067,15 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, task = &(task_page[index]); bnx2fc_init_task(io_req, task); - spin_lock_bh(&tgt->tgt_lock); - if (tgt->flush_in_prog) { printk(KERN_ERR PFX "Flush in progress..Host Busy\n"); kref_put(&io_req->refcount, bnx2fc_cmd_release); - spin_unlock_bh(&tgt->tgt_lock); return -EAGAIN; } if (!test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags)) { printk(KERN_ERR PFX "Session not ready...post_io\n"); kref_put(&io_req->refcount, bnx2fc_cmd_release); - spin_unlock_bh(&tgt->tgt_lock); return -EAGAIN; } @@ -2091,6 +2093,5 @@ int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, /* Ring doorbell */ bnx2fc_ring_doorbell(tgt); - spin_unlock_bh(&tgt->tgt_lock); return 0; } diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 3e0a0d315f7..81bb3bd7909 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -936,20 +936,23 @@ static void do_abort_req_rss(struct cxgbi_device *cdev, struct sk_buff *skb) cxgbi_sock_get(csk); spin_lock_bh(&csk->lock); - if (!cxgbi_sock_flag(csk, CTPF_ABORT_REQ_RCVD)) { - cxgbi_sock_set_flag(csk, CTPF_ABORT_REQ_RCVD); - cxgbi_sock_set_state(csk, CTP_ABORTING); - goto done; + cxgbi_sock_clear_flag(csk, CTPF_ABORT_REQ_RCVD); + + if (!cxgbi_sock_flag(csk, CTPF_TX_DATA_SENT)) { + send_tx_flowc_wr(csk); + cxgbi_sock_set_flag(csk, CTPF_TX_DATA_SENT); } - cxgbi_sock_clear_flag(csk, CTPF_ABORT_REQ_RCVD); + cxgbi_sock_set_flag(csk, CTPF_ABORT_REQ_RCVD); + cxgbi_sock_set_state(csk, CTP_ABORTING); + send_abort_rpl(csk, rst_status); if (!cxgbi_sock_flag(csk, CTPF_ABORT_RPL_PENDING)) { csk->err = abort_status_to_errno(csk, req->status, &rst_status); cxgbi_sock_closed(csk); } -done: + spin_unlock_bh(&csk->lock); cxgbi_sock_put(csk); rel_skb: diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 674d498b46a..13d869a9224 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -905,18 +905,16 @@ void cxgbi_sock_rcv_abort_rpl(struct cxgbi_sock *csk) { cxgbi_sock_get(csk); spin_lock_bh(&csk->lock); + + cxgbi_sock_set_flag(csk, CTPF_ABORT_RPL_RCVD); if (cxgbi_sock_flag(csk, CTPF_ABORT_RPL_PENDING)) { - if (!cxgbi_sock_flag(csk, CTPF_ABORT_RPL_RCVD)) - cxgbi_sock_set_flag(csk, CTPF_ABORT_RPL_RCVD); - else { - cxgbi_sock_clear_flag(csk, CTPF_ABORT_RPL_RCVD); - cxgbi_sock_clear_flag(csk, CTPF_ABORT_RPL_PENDING); - if (cxgbi_sock_flag(csk, CTPF_ABORT_REQ_RCVD)) - pr_err("csk 0x%p,%u,0x%lx,%u,ABT_RPL_RSS.\n", - csk, csk->state, csk->flags, csk->tid); - cxgbi_sock_closed(csk); - } + cxgbi_sock_clear_flag(csk, CTPF_ABORT_RPL_PENDING); + if (cxgbi_sock_flag(csk, CTPF_ABORT_REQ_RCVD)) + pr_err("csk 0x%p,%u,0x%lx,%u,ABT_RPL_RSS.\n", + csk, csk->state, csk->flags, csk->tid); + cxgbi_sock_closed(csk); } + spin_unlock_bh(&csk->lock); cxgbi_sock_put(csk); } diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index e99507ed0e3..fd78bdc5352 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -474,6 +474,13 @@ static int alua_check_sense(struct scsi_device *sdev, * LUN Not Ready -- Offline */ return SUCCESS; + if (sdev->allow_restart && + sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x02) + /* + * if the device is not started, we need to wake + * the error handler to start the motor + */ + return FAILED; break; case UNIT_ATTENTION: if (sense_hdr->asc == 0x29 && sense_hdr->ascq == 0x00) diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index f6a69a3b1b3..5640ad1c821 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -4453,7 +4453,7 @@ static int megasas_init_fw(struct megasas_instance *instance) instance->msixentry[i].entry = i; i = pci_enable_msix_range(instance->pdev, instance->msixentry, 1, instance->msix_vectors); - if (i) + if (i > 0) instance->msix_vectors = i; else instance->msix_vectors = 0; diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 9a6f8468225..bc5ff6ff9c7 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -459,14 +459,6 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) if (! scsi_command_normalize_sense(scmd, &sshdr)) return FAILED; /* no valid sense data */ - if (scmd->cmnd[0] == TEST_UNIT_READY && scmd->scsi_done != scsi_eh_done) - /* - * nasty: for mid-layer issued TURs, we need to return the - * actual sense data without any recovery attempt. For eh - * issued ones, we need to try to recover and interpret - */ - return SUCCESS; - scsi_report_sense(sdev, &sshdr); if (scsi_sense_is_deferred(&sshdr)) @@ -482,6 +474,14 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) /* handler does not care. Drop down to default handling */ } + if (scmd->cmnd[0] == TEST_UNIT_READY && scmd->scsi_done != scsi_eh_done) + /* + * nasty: for mid-layer issued TURs, we need to return the + * actual sense data without any recovery attempt. For eh + * issued ones, we need to try to recover and interpret + */ + return SUCCESS; + /* * Previous logic looked for FILEMARK, EOM or ILI which are * mainly associated with tapes and returned SUCCESS. @@ -2001,8 +2001,10 @@ static void scsi_restart_operations(struct Scsi_Host *shost) * is no point trying to lock the door of an off-line device. */ shost_for_each_device(sdev, shost) { - if (scsi_device_online(sdev) && sdev->locked) + if (scsi_device_online(sdev) && sdev->was_reset && sdev->locked) { scsi_eh_lock_door(sdev); + sdev->was_reset = 0; + } } /* diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index 461bf3d033a..5a1f1070b70 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -459,6 +459,10 @@ static int imx_thermal_probe(struct platform_device *pdev) int measure_freq; int ret; + if (!cpufreq_get_current_driver()) { + dev_dbg(&pdev->dev, "no cpufreq driver!"); + return -EPROBE_DEFER; + } data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; @@ -521,6 +525,30 @@ static int imx_thermal_probe(struct platform_device *pdev) return ret; } + data->thermal_clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(data->thermal_clk)) { + ret = PTR_ERR(data->thermal_clk); + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, + "failed to get thermal clk: %d\n", ret); + cpufreq_cooling_unregister(data->cdev); + return ret; + } + + /* + * Thermal sensor needs clk on to get correct value, normally + * we should enable its clk before taking measurement and disable + * clk after measurement is done, but if alarm function is enabled, + * hardware will auto measure the temperature periodically, so we + * need to keep the clk always on for alarm function. + */ + ret = clk_prepare_enable(data->thermal_clk); + if (ret) { + dev_err(&pdev->dev, "failed to enable thermal clk: %d\n", ret); + cpufreq_cooling_unregister(data->cdev); + return ret; + } + data->tz = thermal_zone_device_register("imx_thermal_zone", IMX_TRIP_NUM, BIT(IMX_TRIP_PASSIVE), data, @@ -531,26 +559,11 @@ static int imx_thermal_probe(struct platform_device *pdev) ret = PTR_ERR(data->tz); dev_err(&pdev->dev, "failed to register thermal zone device %d\n", ret); + clk_disable_unprepare(data->thermal_clk); cpufreq_cooling_unregister(data->cdev); return ret; } - data->thermal_clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(data->thermal_clk)) { - dev_warn(&pdev->dev, "failed to get thermal clk!\n"); - } else { - /* - * Thermal sensor needs clk on to get correct value, normally - * we should enable its clk before taking measurement and disable - * clk after measurement is done, but if alarm function is enabled, - * hardware will auto measure the temperature periodically, so we - * need to keep the clk always on for alarm function. - */ - ret = clk_prepare_enable(data->thermal_clk); - if (ret) - dev_warn(&pdev->dev, "failed to enable thermal clk: %d\n", ret); - } - /* Enable measurements at ~ 10 Hz */ regmap_write(map, TEMPSENSE1 + REG_CLR, TEMPSENSE1_MEASURE_FREQ); measure_freq = DIV_ROUND_UP(32768, 10); /* 10 Hz */ diff --git a/drivers/thermal/int340x_thermal/int3403_thermal.c b/drivers/thermal/int340x_thermal/int3403_thermal.c index d20dba986f0..6e9fb62eb81 100644 --- a/drivers/thermal/int340x_thermal/int3403_thermal.c +++ b/drivers/thermal/int340x_thermal/int3403_thermal.c @@ -92,7 +92,13 @@ static int sys_get_trip_hyst(struct thermal_zone_device *tzone, if (ACPI_FAILURE(status)) return -EIO; - *temp = DECI_KELVIN_TO_MILLI_CELSIUS(hyst, KELVIN_OFFSET); + /* + * Thermal hysteresis represents a temperature difference. + * Kelvin and Celsius have same degree size. So the + * conversion here between tenths of degree Kelvin unit + * and Milli-Celsius unit is just to multiply 100. + */ + *temp = hyst * 100; return 0; } diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c index 2683d2897e9..1724f6cdaef 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.c +++ b/drivers/thermal/samsung/exynos_tmu_data.c @@ -264,7 +264,6 @@ struct exynos_tmu_init_data const exynos5250_default_tmu_data = { static const struct exynos_tmu_registers exynos5260_tmu_registers = { .triminfo_data = EXYNOS_TMU_REG_TRIMINFO, .tmu_ctrl = EXYNOS_TMU_REG_CONTROL, - .tmu_ctrl = EXYNOS_TMU_REG_CONTROL1, .therm_trip_mode_shift = EXYNOS_TMU_TRIP_MODE_SHIFT, .therm_trip_mode_mask = EXYNOS_TMU_TRIP_MODE_MASK, .therm_trip_en_shift = EXYNOS_TMU_THERM_TRIP_EN_SHIFT, diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h index 65e2ea6a957..63de598c9c2 100644 --- a/drivers/thermal/samsung/exynos_tmu_data.h +++ b/drivers/thermal/samsung/exynos_tmu_data.h @@ -75,7 +75,6 @@ #define EXYNOS_MAX_TRIGGER_PER_REG 4 /* Exynos5260 specific */ -#define EXYNOS_TMU_REG_CONTROL1 0x24 #define EXYNOS5260_TMU_REG_INTEN 0xC0 #define EXYNOS5260_TMU_REG_INTSTAT 0xC4 #define EXYNOS5260_TMU_REG_INTCLEAR 0xC8 |