diff options
Diffstat (limited to 'drivers')
226 files changed, 4326 insertions, 1172 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index f94d4c818fc..0230cb6cbb3 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1345,12 +1345,15 @@ static int acpi_video_bus_get_devices(struct acpi_video_bus *video, struct acpi_device *device) { - int status; + int status = 0; struct acpi_device *dev; - status = acpi_video_device_enumerate(video); - if (status) - return status; + /* + * There are systems where video module known to work fine regardless + * of broken _DOD and ignoring returned value here doesn't cause + * any issues later. + */ + acpi_video_device_enumerate(video); list_for_each_entry(dev, &device->children, node) { diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c index 0b6f0b28a48..bd5de08ad6f 100644 --- a/drivers/amba/tegra-ahb.c +++ b/drivers/amba/tegra-ahb.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/tegra-ahb.h> #define DRV_NAME "tegra-ahb" diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 8727e9c5eea..72c776f2a1f 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -83,9 +83,16 @@ EXPORT_SYMBOL_GPL(platform_get_resource); */ int platform_get_irq(struct platform_device *dev, unsigned int num) { +#ifdef CONFIG_SPARC + /* sparc does not have irqs represented as IORESOURCE_IRQ resources */ + if (!dev || num >= dev->archdata.num_irqs) + return -ENXIO; + return dev->archdata.irqs[num]; +#else struct resource *r = platform_get_resource(dev, IORESOURCE_IRQ, num); return r ? r->start : -ENXIO; +#endif } EXPORT_SYMBOL_GPL(platform_get_irq); diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index f529407db93..824e09c4d0d 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -131,6 +131,7 @@ config BLK_CPQ_DA config BLK_CPQ_CISS_DA tristate "Compaq Smart Array 5xxx support" depends on PCI + select CHECK_SIGNATURE help This is the driver for Compaq Smart Array 5xxx controllers. Everyone using these boards should say Y here. @@ -166,8 +167,8 @@ config BLK_DEV_DAC960 module will be called DAC960. config BLK_DEV_UMEM - tristate "Micro Memory MM5415 Battery Backed RAM support (EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL + tristate "Micro Memory MM5415 Battery Backed RAM support" + depends on PCI ---help--- Saying Y here will include support for the MM5415 family of battery backed (Non-volatile) RAM cards. @@ -430,8 +431,8 @@ config CDROM_PKTCDVD_BUFFERS a disc is opened for writing. config CDROM_PKTCDVD_WCACHE - bool "Enable write caching (EXPERIMENTAL)" - depends on CDROM_PKTCDVD && EXPERIMENTAL + bool "Enable write caching" + depends on CDROM_PKTCDVD help If enabled, write caching will be set for the CD-R/W device. For now this option is dangerous unless the CD-RW media is known good, as we @@ -508,8 +509,8 @@ config XEN_BLKDEV_BACKEND config VIRTIO_BLK - tristate "Virtio block driver (EXPERIMENTAL)" - depends on EXPERIMENTAL && VIRTIO + tristate "Virtio block driver" + depends on VIRTIO ---help--- This is the virtual block driver for virtio. It can be used with lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. @@ -528,7 +529,7 @@ config BLK_DEV_HD config BLK_DEV_RBD tristate "Rados block device (RBD)" - depends on INET && EXPERIMENTAL && BLOCK + depends on INET && BLOCK select CEPH_LIB select LIBCRC32C select CRYPTO_AES diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index b0f553b26d0..ca83f96756a 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -5205,7 +5205,6 @@ static void cciss_shutdown(struct pci_dev *pdev) return; } /* write all data in the battery backed cache to disk */ - memset(flush_buf, 0, 4); return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf, 4, 0, CTLR_LUNID, TYPE_CMD); kfree(flush_buf); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 17c675c5229..1c49d717396 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4109,12 +4109,19 @@ static struct platform_driver floppy_driver = { static struct platform_device floppy_device[N_DRIVE]; +static bool floppy_available(int drive) +{ + if (!(allowed_drive_mask & (1 << drive))) + return false; + if (fdc_state[FDC(drive)].version == FDC_NONE) + return false; + return true; +} + static struct kobject *floppy_find(dev_t dev, int *part, void *data) { int drive = (*part & 3) | ((*part & 0x80) >> 5); - if (drive >= N_DRIVE || - !(allowed_drive_mask & (1 << drive)) || - fdc_state[FDC(drive)].version == FDC_NONE) + if (drive >= N_DRIVE || !floppy_available(drive)) return NULL; if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type)) return NULL; @@ -4124,8 +4131,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data) static int __init do_floppy_init(void) { - int i, unit, drive; - int err, dr; + int i, unit, drive, err; set_debugt(); interruptjiffies = resultjiffies = jiffies; @@ -4137,34 +4143,32 @@ static int __init do_floppy_init(void) raw_cmd = NULL; - for (dr = 0; dr < N_DRIVE; dr++) { - disks[dr] = alloc_disk(1); - if (!disks[dr]) { - err = -ENOMEM; - goto out_put_disk; - } + floppy_wq = alloc_ordered_workqueue("floppy", 0); + if (!floppy_wq) + return -ENOMEM; - floppy_wq = alloc_ordered_workqueue("floppy", 0); - if (!floppy_wq) { + for (drive = 0; drive < N_DRIVE; drive++) { + disks[drive] = alloc_disk(1); + if (!disks[drive]) { err = -ENOMEM; goto out_put_disk; } - disks[dr]->queue = blk_init_queue(do_fd_request, &floppy_lock); - if (!disks[dr]->queue) { + disks[drive]->queue = blk_init_queue(do_fd_request, &floppy_lock); + if (!disks[drive]->queue) { err = -ENOMEM; - goto out_destroy_workq; + goto out_put_disk; } - blk_queue_max_hw_sectors(disks[dr]->queue, 64); - disks[dr]->major = FLOPPY_MAJOR; - disks[dr]->first_minor = TOMINOR(dr); - disks[dr]->fops = &floppy_fops; - sprintf(disks[dr]->disk_name, "fd%d", dr); + blk_queue_max_hw_sectors(disks[drive]->queue, 64); + disks[drive]->major = FLOPPY_MAJOR; + disks[drive]->first_minor = TOMINOR(drive); + disks[drive]->fops = &floppy_fops; + sprintf(disks[drive]->disk_name, "fd%d", drive); - init_timer(&motor_off_timer[dr]); - motor_off_timer[dr].data = dr; - motor_off_timer[dr].function = motor_off_callback; + init_timer(&motor_off_timer[drive]); + motor_off_timer[drive].data = drive; + motor_off_timer[drive].function = motor_off_callback; } err = register_blkdev(FLOPPY_MAJOR, "fd"); @@ -4282,9 +4286,7 @@ static int __init do_floppy_init(void) } for (drive = 0; drive < N_DRIVE; drive++) { - if (!(allowed_drive_mask & (1 << drive))) - continue; - if (fdc_state[FDC(drive)].version == FDC_NONE) + if (!floppy_available(drive)) continue; floppy_device[drive].name = floppy_device_name; @@ -4293,7 +4295,7 @@ static int __init do_floppy_init(void) err = platform_device_register(&floppy_device[drive]); if (err) - goto out_release_dma; + goto out_remove_drives; err = device_create_file(&floppy_device[drive].dev, &dev_attr_cmos); @@ -4311,29 +4313,34 @@ static int __init do_floppy_init(void) out_unreg_platform_dev: platform_device_unregister(&floppy_device[drive]); +out_remove_drives: + while (drive--) { + if (floppy_available(drive)) { + del_gendisk(disks[drive]); + device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos); + platform_device_unregister(&floppy_device[drive]); + } + } out_release_dma: if (atomic_read(&usage_count)) floppy_release_irq_and_dma(); out_unreg_region: blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256); platform_driver_unregister(&floppy_driver); -out_destroy_workq: - destroy_workqueue(floppy_wq); out_unreg_blkdev: unregister_blkdev(FLOPPY_MAJOR, "fd"); out_put_disk: - while (dr--) { - del_timer_sync(&motor_off_timer[dr]); - if (disks[dr]->queue) { - blk_cleanup_queue(disks[dr]->queue); - /* - * put_disk() is not paired with add_disk() and - * will put queue reference one extra time. fix it. - */ - disks[dr]->queue = NULL; + for (drive = 0; drive < N_DRIVE; drive++) { + if (!disks[drive]) + break; + if (disks[drive]->queue) { + del_timer_sync(&motor_off_timer[drive]); + blk_cleanup_queue(disks[drive]->queue); + disks[drive]->queue = NULL; } - put_disk(disks[dr]); + put_disk(disks[drive]); } + destroy_workqueue(floppy_wq); return err; } @@ -4551,8 +4558,7 @@ static void __exit floppy_module_exit(void) for (drive = 0; drive < N_DRIVE; drive++) { del_timer_sync(&motor_off_timer[drive]); - if ((allowed_drive_mask & (1 << drive)) && - fdc_state[FDC(drive)].version != FDC_NONE) { + if (floppy_available(drive)) { del_gendisk(disks[drive]); device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos); platform_device_unregister(&floppy_device[drive]); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index e9d594fd12c..54046e51160 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -976,8 +976,21 @@ static int loop_clr_fd(struct loop_device *lo) if (lo->lo_state != Lo_bound) return -ENXIO; - if (lo->lo_refcnt > 1) /* we needed one fd for the ioctl */ - return -EBUSY; + /* + * If we've explicitly asked to tear down the loop device, + * and it has an elevated reference count, set it for auto-teardown when + * the last reference goes away. This stops $!~#$@ udev from + * preventing teardown because it decided that it needs to run blkid on + * the loopback device whenever they appear. xfstests is notorious for + * failing tests because blkid via udev races with a losetup + * <dev>/do something like mkfs/losetup -d <dev> causing the losetup -d + * command to fail with EBUSY. + */ + if (lo->lo_refcnt > 1) { + lo->lo_flags |= LO_FLAGS_AUTOCLEAR; + mutex_unlock(&lo->lo_ctl_mutex); + return 0; + } if (filp == NULL) return -EINVAL; diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index f946d31d691..adc6f36564c 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -2035,8 +2035,9 @@ static unsigned int implicit_sector(unsigned char command, } return rv; } - -static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout) +static void mtip_set_timeout(struct driver_data *dd, + struct host_to_dev_fis *fis, + unsigned int *timeout, u8 erasemode) { switch (fis->command) { case ATA_CMD_DOWNLOAD_MICRO: @@ -2044,7 +2045,10 @@ static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout) break; case ATA_CMD_SEC_ERASE_UNIT: case 0xFC: - *timeout = 240000; /* 4 minutes */ + if (erasemode) + *timeout = ((*(dd->port->identify + 90) * 2) * 60000); + else + *timeout = ((*(dd->port->identify + 89) * 2) * 60000); break; case ATA_CMD_STANDBYNOW1: *timeout = 120000; /* 2 minutes */ @@ -2087,6 +2091,7 @@ static int exec_drive_taskfile(struct driver_data *dd, unsigned int transfer_size; unsigned long task_file_data; int intotal = outtotal + req_task->out_size; + int erasemode = 0; taskout = req_task->out_size; taskin = req_task->in_size; @@ -2212,7 +2217,13 @@ static int exec_drive_taskfile(struct driver_data *dd, fis.lba_hi, fis.device); - mtip_set_timeout(&fis, &timeout); + /* check for erase mode support during secure erase.*/ + if ((fis.command == ATA_CMD_SEC_ERASE_UNIT) + && (outbuf[0] & MTIP_SEC_ERASE_MODE)) { + erasemode = 1; + } + + mtip_set_timeout(dd, &fis, &timeout, erasemode); /* Determine the correct transfer size.*/ if (force_single_sector) diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index 18627a1d04c..5f4a917bd8b 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -33,6 +33,9 @@ /* offset of Device Control register in PCIe extended capabilites space */ #define PCIE_CONFIG_EXT_DEVICE_CONTROL_OFFSET 0x48 +/* check for erase mode support during secure erase */ +#define MTIP_SEC_ERASE_MODE 0x3 + /* # of times to retry timed out/failed IOs */ #define MTIP_MAX_RETRIES 2 diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 9ad3b5ec1dc..9a54623e52d 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -158,8 +158,8 @@ struct xen_vbd { struct block_device *bdev; /* Cached size parameter. */ sector_t size; - bool flush_support; - bool discard_secure; + unsigned int flush_support:1; + unsigned int discard_secure:1; }; struct backend_info; diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 4f66171c668..f58434c2617 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -105,11 +105,10 @@ static struct xen_blkif *xen_blkif_alloc(domid_t domid) { struct xen_blkif *blkif; - blkif = kmem_cache_alloc(xen_blkif_cachep, GFP_KERNEL); + blkif = kmem_cache_zalloc(xen_blkif_cachep, GFP_KERNEL); if (!blkif) return ERR_PTR(-ENOMEM); - memset(blkif, 0, sizeof(*blkif)); blkif->domid = domid; spin_lock_init(&blkif->blk_ring_lock); atomic_set(&blkif->refcnt, 1); @@ -196,7 +195,7 @@ static void xen_blkif_disconnect(struct xen_blkif *blkif) } } -void xen_blkif_free(struct xen_blkif *blkif) +static void xen_blkif_free(struct xen_blkif *blkif) { if (!atomic_dec_and_test(&blkif->refcnt)) BUG(); @@ -257,7 +256,7 @@ static struct attribute_group xen_vbdstat_group = { VBD_SHOW(physical_device, "%x:%x\n", be->major, be->minor); VBD_SHOW(mode, "%s\n", be->mode); -int xenvbd_sysfs_addif(struct xenbus_device *dev) +static int xenvbd_sysfs_addif(struct xenbus_device *dev) { int error; @@ -281,7 +280,7 @@ fail1: device_remove_file(&dev->dev, &dev_attr_physical_device); return error; } -void xenvbd_sysfs_delif(struct xenbus_device *dev) +static void xenvbd_sysfs_delif(struct xenbus_device *dev) { sysfs_remove_group(&dev->dev.kobj, &xen_vbdstat_group); device_remove_file(&dev->dev, &dev_attr_mode); diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index bace9e98f75..823f62d900b 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -42,10 +42,12 @@ config COMMON_CLK_WM831X config COMMON_CLK_VERSATILE bool "Clock driver for ARM Reference designs" - depends on ARCH_INTEGRATOR || ARCH_REALVIEW + depends on ARCH_INTEGRATOR || ARCH_REALVIEW || ARCH_VEXPRESS ---help--- - Supports clocking on ARM Reference designs Integrator/AP, - Integrator/CP, RealView PB1176, EB, PB11MP and PBX. + Supports clocking on ARM Reference designs: + - Integrator/AP and Integrator/CP + - RealView PB1176, EB, PB11MP and PBX + - Versatile Express config COMMON_CLK_MAX77686 tristate "Clock driver for Maxim 77686 MFD" @@ -53,4 +55,12 @@ config COMMON_CLK_MAX77686 ---help--- This driver supports Maxim 77686 crystal oscillator clock. +config CLK_TWL6040 + tristate "External McPDM functional clock from twl6040" + depends on TWL6040_CORE + ---help--- + Enable the external functional clock support on OMAP4+ platforms for + McPDM. McPDM module is using the external bit clock on the McPDM bus + as functional clock. + endmenu diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 71a25b91de0..a96bda3d3b8 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -19,7 +19,9 @@ endif obj-$(CONFIG_MACH_LOONGSON1) += clk-ls1x.o obj-$(CONFIG_ARCH_U8500) += ux500/ obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o +obj-$(CONFIG_ARCH_SUNXI) += clk-sunxi.o # Chip specific obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o obj-$(CONFIG_COMMON_CLK_MAX77686) += clk-max77686.o +obj-$(CONFIG_CLK_TWL6040) += clk-twl6040.o diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c index f5ec0eebd4d..af78ed6b67e 100644 --- a/drivers/clk/clk-fixed-rate.c +++ b/drivers/clk/clk-fixed-rate.c @@ -97,7 +97,7 @@ void __init of_fixed_clk_setup(struct device_node *node) of_property_read_string(node, "clock-output-names", &clk_name); clk = clk_register_fixed_rate(NULL, clk_name, NULL, CLK_IS_ROOT, rate); - if (clk) + if (!IS_ERR(clk)) of_clk_add_provider(node, of_clk_src_simple_get, clk); } EXPORT_SYMBOL_GPL(of_fixed_clk_setup); diff --git a/drivers/clk/clk-prima2.c b/drivers/clk/clk-prima2.c index 517874fa685..a203ecccdc4 100644 --- a/drivers/clk/clk-prima2.c +++ b/drivers/clk/clk-prima2.c @@ -1054,118 +1054,118 @@ void __init sirfsoc_of_clk_init(void) /* These are always available (RTC and 26MHz OSC)*/ clk = clk_register_fixed_rate(NULL, "rtc", NULL, CLK_IS_ROOT, 32768); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register_fixed_rate(NULL, "osc", NULL, CLK_IS_ROOT, 26000000); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_pll1.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_pll2.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_pll3.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_mem.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_sys.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_security.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b8030000.security"); clk = clk_register(NULL, &clk_dsp.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_gps.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "a8010000.gps"); clk = clk_register(NULL, &clk_mf.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_io.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "io"); clk = clk_register(NULL, &clk_cpu.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "cpu"); clk = clk_register(NULL, &clk_uart0.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0050000.uart"); clk = clk_register(NULL, &clk_uart1.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0060000.uart"); clk = clk_register(NULL, &clk_uart2.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0070000.uart"); clk = clk_register(NULL, &clk_tsc.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0110000.tsc"); clk = clk_register(NULL, &clk_i2c0.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b00e0000.i2c"); clk = clk_register(NULL, &clk_i2c1.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b00f0000.i2c"); clk = clk_register(NULL, &clk_spi0.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b00d0000.spi"); clk = clk_register(NULL, &clk_spi1.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0170000.spi"); clk = clk_register(NULL, &clk_pwmc.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0130000.pwm"); clk = clk_register(NULL, &clk_efuse.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0140000.efusesys"); clk = clk_register(NULL, &clk_pulse.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0150000.pulsec"); clk = clk_register(NULL, &clk_dmac0.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b00b0000.dma-controller"); clk = clk_register(NULL, &clk_dmac1.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0160000.dma-controller"); clk = clk_register(NULL, &clk_nand.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0030000.nand"); clk = clk_register(NULL, &clk_audio.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0040000.audio"); clk = clk_register(NULL, &clk_usp0.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0080000.usp"); clk = clk_register(NULL, &clk_usp1.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b0090000.usp"); clk = clk_register(NULL, &clk_usp2.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b00a0000.usp"); clk = clk_register(NULL, &clk_vip.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b00c0000.vip"); clk = clk_register(NULL, &clk_gfx.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "98000000.graphics"); clk = clk_register(NULL, &clk_mm.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "a0000000.multimedia"); clk = clk_register(NULL, &clk_lcd.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "90010000.display"); clk = clk_register(NULL, &clk_vpp.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "90020000.vpp"); clk = clk_register(NULL, &clk_mmc01.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_mmc23.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_mmc45.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &usb_pll_clk_hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk = clk_register(NULL, &clk_usb0.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b00e0000.usb"); clk = clk_register(NULL, &clk_usb1.hw); - BUG_ON(!clk); + BUG_ON(IS_ERR(clk)); clk_register_clkdev(clk, NULL, "b00f0000.usb"); } diff --git a/drivers/clk/clk-sunxi.c b/drivers/clk/clk-sunxi.c new file mode 100644 index 00000000000..0e831b584ba --- /dev/null +++ b/drivers/clk/clk-sunxi.c @@ -0,0 +1,30 @@ +/* + * Copyright 2012 Maxime Ripard + * + * Maxime Ripard <maxime.ripard@free-electrons.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/clkdev.h> +#include <linux/clk/sunxi.h> +#include <linux/of.h> + +static const __initconst struct of_device_id clk_match[] = { + { .compatible = "fixed-clock", .data = of_fixed_clk_setup, }, + {} +}; + +void __init sunxi_init_clocks(void) +{ + of_clk_init(clk_match); +} diff --git a/drivers/clk/clk-twl6040.c b/drivers/clk/clk-twl6040.c new file mode 100644 index 00000000000..f4a3389c3d0 --- /dev/null +++ b/drivers/clk/clk-twl6040.c @@ -0,0 +1,126 @@ +/* +* TWL6040 clock module driver for OMAP4 McPDM functional clock +* +* Copyright (C) 2012 Texas Instruments Inc. +* Peter Ujfalusi <peter.ujfalusi@ti.com> +* +* This program is free software; you can redistribute it and/or +* modify it under the terms of the GNU General Public License +* version 2 as published by the Free Software Foundation. +* +* This program is distributed in the hope that it will be useful, but +* WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with this program; if not, write to the Free Software +* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +* 02110-1301 USA +* +*/ + +#include <linux/clk.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/mfd/twl6040.h> +#include <linux/clk-provider.h> + +struct twl6040_clk { + struct twl6040 *twl6040; + struct device *dev; + struct clk_hw mcpdm_fclk; + struct clk *clk; + int enabled; +}; + +static int twl6040_bitclk_is_enabled(struct clk_hw *hw) +{ + struct twl6040_clk *twl6040_clk = container_of(hw, struct twl6040_clk, + mcpdm_fclk); + return twl6040_clk->enabled; +} + +static int twl6040_bitclk_prepare(struct clk_hw *hw) +{ + struct twl6040_clk *twl6040_clk = container_of(hw, struct twl6040_clk, + mcpdm_fclk); + int ret; + + ret = twl6040_power(twl6040_clk->twl6040, 1); + if (!ret) + twl6040_clk->enabled = 1; + + return ret; +} + +static void twl6040_bitclk_unprepare(struct clk_hw *hw) +{ + struct twl6040_clk *twl6040_clk = container_of(hw, struct twl6040_clk, + mcpdm_fclk); + int ret; + + ret = twl6040_power(twl6040_clk->twl6040, 0); + if (!ret) + twl6040_clk->enabled = 0; +} + +static const struct clk_ops twl6040_mcpdm_ops = { + .is_enabled = twl6040_bitclk_is_enabled, + .prepare = twl6040_bitclk_prepare, + .unprepare = twl6040_bitclk_unprepare, +}; + +static struct clk_init_data wm831x_clkout_init = { + .name = "mcpdm_fclk", + .ops = &twl6040_mcpdm_ops, + .flags = CLK_IS_ROOT, +}; + +static int __devinit twl6040_clk_probe(struct platform_device *pdev) +{ + struct twl6040 *twl6040 = dev_get_drvdata(pdev->dev.parent); + struct twl6040_clk *clkdata; + + clkdata = devm_kzalloc(&pdev->dev, sizeof(*clkdata), GFP_KERNEL); + if (!clkdata) + return -ENOMEM; + + clkdata->dev = &pdev->dev; + clkdata->twl6040 = twl6040; + + clkdata->mcpdm_fclk.init = &wm831x_clkout_init; + clkdata->clk = clk_register(&pdev->dev, &clkdata->mcpdm_fclk); + if (!clkdata->clk) + return -EINVAL; + + dev_set_drvdata(&pdev->dev, clkdata); + + return 0; +} + +static int __devexit twl6040_clk_remove(struct platform_device *pdev) +{ + struct twl6040_clk *clkdata = dev_get_drvdata(&pdev->dev); + + clk_unregister(clkdata->clk); + + return 0; +} + +static struct platform_driver twl6040_clk_driver = { + .driver = { + .name = "twl6040-clk", + .owner = THIS_MODULE, + }, + .probe = twl6040_clk_probe, + .remove = __devexit_p(twl6040_clk_remove), +}; + +module_platform_driver(twl6040_clk_driver); + +MODULE_DESCRIPTION("TWL6040 clock driver for McPDM functional clock"); +MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>"); +MODULE_ALIAS("platform:twl6040-clk"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 56e4495ebeb..bbe52c4ae7c 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -261,7 +261,7 @@ inline struct clk_hw *__clk_get_hw(struct clk *clk) inline u8 __clk_get_num_parents(struct clk *clk) { - return !clk ? -EINVAL : clk->num_parents; + return !clk ? 0 : clk->num_parents; } inline struct clk *__clk_get_parent(struct clk *clk) @@ -269,14 +269,14 @@ inline struct clk *__clk_get_parent(struct clk *clk) return !clk ? NULL : clk->parent; } -inline int __clk_get_enable_count(struct clk *clk) +inline unsigned int __clk_get_enable_count(struct clk *clk) { - return !clk ? -EINVAL : clk->enable_count; + return !clk ? 0 : clk->enable_count; } -inline int __clk_get_prepare_count(struct clk *clk) +inline unsigned int __clk_get_prepare_count(struct clk *clk) { - return !clk ? -EINVAL : clk->prepare_count; + return !clk ? 0 : clk->prepare_count; } unsigned long __clk_get_rate(struct clk *clk) @@ -302,15 +302,15 @@ out: inline unsigned long __clk_get_flags(struct clk *clk) { - return !clk ? -EINVAL : clk->flags; + return !clk ? 0 : clk->flags; } -int __clk_is_enabled(struct clk *clk) +bool __clk_is_enabled(struct clk *clk) { int ret; if (!clk) - return -EINVAL; + return false; /* * .is_enabled is only mandatory for clocks that gate @@ -323,7 +323,7 @@ int __clk_is_enabled(struct clk *clk) ret = clk->ops->is_enabled(clk->hw); out: - return ret; + return !!ret; } static struct clk *__clk_lookup_subtree(const char *name, struct clk *clk) @@ -568,7 +568,7 @@ unsigned long __clk_round_rate(struct clk *clk, unsigned long rate) unsigned long parent_rate = 0; if (!clk) - return -EINVAL; + return 0; if (!clk->ops->round_rate) { if (clk->flags & CLK_SET_RATE_PARENT) diff --git a/drivers/clk/spear/clk-vco-pll.c b/drivers/clk/spear/clk-vco-pll.c index 5f1b6badeb1..1b9b65bca51 100644 --- a/drivers/clk/spear/clk-vco-pll.c +++ b/drivers/clk/spear/clk-vco-pll.c @@ -147,7 +147,7 @@ static int clk_pll_set_rate(struct clk_hw *hw, unsigned long drate, struct clk_pll *pll = to_clk_pll(hw); struct pll_rate_tbl *rtbl = pll->vco->rtbl; unsigned long flags = 0, val; - int i; + int uninitialized_var(i); clk_pll_round_rate_index(hw, drate, NULL, &i); diff --git a/drivers/clk/ux500/clk-prcmu.c b/drivers/clk/ux500/clk-prcmu.c index 930cdfeb47a..04577ca6a30 100644 --- a/drivers/clk/ux500/clk-prcmu.c +++ b/drivers/clk/ux500/clk-prcmu.c @@ -133,6 +133,40 @@ out_error: hw->init->name); } +static int clk_prcmu_opp_volt_prepare(struct clk_hw *hw) +{ + int err; + struct clk_prcmu *clk = to_clk_prcmu(hw); + + err = prcmu_request_ape_opp_100_voltage(true); + if (err) { + pr_err("clk_prcmu: %s failed to request APE OPP VOLT for %s.\n", + __func__, hw->init->name); + return err; + } + + err = prcmu_request_clock(clk->cg_sel, true); + if (err) + prcmu_request_ape_opp_100_voltage(false); + + return err; +} + +static void clk_prcmu_opp_volt_unprepare(struct clk_hw *hw) +{ + struct clk_prcmu *clk = to_clk_prcmu(hw); + + if (prcmu_request_clock(clk->cg_sel, false)) + goto out_error; + if (prcmu_request_ape_opp_100_voltage(false)) + goto out_error; + return; + +out_error: + pr_err("clk_prcmu: %s failed to disable %s.\n", __func__, + hw->init->name); +} + static struct clk_ops clk_prcmu_scalable_ops = { .prepare = clk_prcmu_prepare, .unprepare = clk_prcmu_unprepare, @@ -167,6 +201,17 @@ static struct clk_ops clk_prcmu_opp_gate_ops = { .recalc_rate = clk_prcmu_recalc_rate, }; +static struct clk_ops clk_prcmu_opp_volt_scalable_ops = { + .prepare = clk_prcmu_opp_volt_prepare, + .unprepare = clk_prcmu_opp_volt_unprepare, + .enable = clk_prcmu_enable, + .disable = clk_prcmu_disable, + .is_enabled = clk_prcmu_is_enabled, + .recalc_rate = clk_prcmu_recalc_rate, + .round_rate = clk_prcmu_round_rate, + .set_rate = clk_prcmu_set_rate, +}; + static struct clk *clk_reg_prcmu(const char *name, const char *parent_name, u8 cg_sel, @@ -250,3 +295,13 @@ struct clk *clk_reg_prcmu_opp_gate(const char *name, return clk_reg_prcmu(name, parent_name, cg_sel, 0, flags, &clk_prcmu_opp_gate_ops); } + +struct clk *clk_reg_prcmu_opp_volt_scalable(const char *name, + const char *parent_name, + u8 cg_sel, + unsigned long rate, + unsigned long flags) +{ + return clk_reg_prcmu(name, parent_name, cg_sel, rate, flags, + &clk_prcmu_opp_volt_scalable_ops); +} diff --git a/drivers/clk/ux500/clk.h b/drivers/clk/ux500/clk.h index 836d7d16751..f36eeedca49 100644 --- a/drivers/clk/ux500/clk.h +++ b/drivers/clk/ux500/clk.h @@ -45,4 +45,10 @@ struct clk *clk_reg_prcmu_opp_gate(const char *name, u8 cg_sel, unsigned long flags); +struct clk *clk_reg_prcmu_opp_volt_scalable(const char *name, + const char *parent_name, + u8 cg_sel, + unsigned long rate, + unsigned long flags); + #endif /* __UX500_CLK_H */ diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c index ca4a25ed844..7bebf1f62c6 100644 --- a/drivers/clk/ux500/u8500_clk.c +++ b/drivers/clk/ux500/u8500_clk.c @@ -170,10 +170,11 @@ void u8500_clk_init(void) clk_register_clkdev(clk, NULL, "mtu0"); clk_register_clkdev(clk, NULL, "mtu1"); - clk = clk_reg_prcmu_gate("sdmmcclk", NULL, PRCMU_SDMMCCLK, CLK_IS_ROOT); + clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK, + 100000000, + CLK_IS_ROOT|CLK_SET_RATE_GATE); clk_register_clkdev(clk, NULL, "sdmmc"); - clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk", PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE); clk_register_clkdev(clk, "dsihs2", "mcde"); diff --git a/drivers/clk/versatile/Makefile b/drivers/clk/versatile/Makefile index c0a0f647879..c776053e5bb 100644 --- a/drivers/clk/versatile/Makefile +++ b/drivers/clk/versatile/Makefile @@ -2,3 +2,5 @@ obj-$(CONFIG_ICST) += clk-icst.o obj-$(CONFIG_ARCH_INTEGRATOR) += clk-integrator.o obj-$(CONFIG_ARCH_REALVIEW) += clk-realview.o +obj-$(CONFIG_ARCH_VEXPRESS) += clk-vexpress.o +obj-$(CONFIG_VEXPRESS_CONFIG) += clk-vexpress-osc.o diff --git a/drivers/clk/versatile/clk-vexpress-osc.c b/drivers/clk/versatile/clk-vexpress-osc.c new file mode 100644 index 00000000000..dcb6ae0a042 --- /dev/null +++ b/drivers/clk/versatile/clk-vexpress-osc.c @@ -0,0 +1,146 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Copyright (C) 2012 ARM Limited + */ + +#define pr_fmt(fmt) "vexpress-osc: " fmt + +#include <linux/clkdev.h> +#include <linux/clk-provider.h> +#include <linux/err.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/vexpress.h> + +struct vexpress_osc { + struct vexpress_config_func *func; + struct clk_hw hw; + unsigned long rate_min; + unsigned long rate_max; +}; + +#define to_vexpress_osc(osc) container_of(osc, struct vexpress_osc, hw) + +static unsigned long vexpress_osc_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct vexpress_osc *osc = to_vexpress_osc(hw); + u32 rate; + + vexpress_config_read(osc->func, 0, &rate); + + return rate; +} + +static long vexpress_osc_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + struct vexpress_osc *osc = to_vexpress_osc(hw); + + if (WARN_ON(osc->rate_min && rate < osc->rate_min)) + rate = osc->rate_min; + + if (WARN_ON(osc->rate_max && rate > osc->rate_max)) + rate = osc->rate_max; + + return rate; +} + +static int vexpress_osc_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct vexpress_osc *osc = to_vexpress_osc(hw); + + return vexpress_config_write(osc->func, 0, rate); +} + +static struct clk_ops vexpress_osc_ops = { + .recalc_rate = vexpress_osc_recalc_rate, + .round_rate = vexpress_osc_round_rate, + .set_rate = vexpress_osc_set_rate, +}; + + +struct clk * __init vexpress_osc_setup(struct device *dev) +{ + struct clk_init_data init; + struct vexpress_osc *osc = kzalloc(sizeof(*osc), GFP_KERNEL); + + if (!osc) + return NULL; + + osc->func = vexpress_config_func_get_by_dev(dev); + if (!osc->func) { + kfree(osc); + return NULL; + } + + init.name = dev_name(dev); + init.ops = &vexpress_osc_ops; + init.flags = CLK_IS_ROOT; + init.num_parents = 0; + osc->hw.init = &init; + + return clk_register(NULL, &osc->hw); +} + +void __init vexpress_osc_of_setup(struct device_node *node) +{ + struct clk_init_data init; + struct vexpress_osc *osc; + struct clk *clk; + u32 range[2]; + + osc = kzalloc(sizeof(*osc), GFP_KERNEL); + if (!osc) + goto error; + + osc->func = vexpress_config_func_get_by_node(node); + if (!osc->func) { + pr_err("Failed to obtain config func for node '%s'!\n", + node->name); + goto error; + } + + if (of_property_read_u32_array(node, "freq-range", range, + ARRAY_SIZE(range)) == 0) { + osc->rate_min = range[0]; + osc->rate_max = range[1]; + } + + of_property_read_string(node, "clock-output-names", &init.name); + if (!init.name) + init.name = node->name; + + init.ops = &vexpress_osc_ops; + init.flags = CLK_IS_ROOT; + init.num_parents = 0; + + osc->hw.init = &init; + + clk = clk_register(NULL, &osc->hw); + if (IS_ERR(clk)) { + pr_err("Failed to register clock '%s'!\n", init.name); + goto error; + } + + of_clk_add_provider(node, of_clk_src_simple_get, clk); + + pr_debug("Registered clock '%s'\n", init.name); + + return; + +error: + if (osc->func) + vexpress_config_func_put(osc->func); + kfree(osc); +} diff --git a/drivers/clk/versatile/clk-vexpress.c b/drivers/clk/versatile/clk-vexpress.c new file mode 100644 index 00000000000..c742ac7c60b --- /dev/null +++ b/drivers/clk/versatile/clk-vexpress.c @@ -0,0 +1,142 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Copyright (C) 2012 ARM Limited + */ + +#include <linux/clkdev.h> +#include <linux/clk-provider.h> +#include <linux/err.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/vexpress.h> + +#include <asm/hardware/sp810.h> + +static struct clk *vexpress_sp810_timerclken[4]; +static DEFINE_SPINLOCK(vexpress_sp810_lock); + +static void __init vexpress_sp810_init(void __iomem *base) +{ + int i; + + if (WARN_ON(!base)) + return; + + for (i = 0; i < ARRAY_SIZE(vexpress_sp810_timerclken); i++) { + char name[12]; + const char *parents[] = { + "v2m:refclk32khz", /* REFCLK */ + "v2m:refclk1mhz" /* TIMCLK */ + }; + + snprintf(name, ARRAY_SIZE(name), "timerclken%d", i); + + vexpress_sp810_timerclken[i] = clk_register_mux(NULL, name, + parents, 2, 0, base + SCCTRL, + SCCTRL_TIMERENnSEL_SHIFT(i), 1, + 0, &vexpress_sp810_lock); + + if (WARN_ON(IS_ERR(vexpress_sp810_timerclken[i]))) + break; + } +} + + +static const char * const vexpress_clk_24mhz_periphs[] __initconst = { + "mb:uart0", "mb:uart1", "mb:uart2", "mb:uart3", + "mb:mmci", "mb:kmi0", "mb:kmi1" +}; + +void __init vexpress_clk_init(void __iomem *sp810_base) +{ + struct clk *clk; + int i; + + clk = clk_register_fixed_rate(NULL, "dummy_apb_pclk", NULL, + CLK_IS_ROOT, 0); + WARN_ON(clk_register_clkdev(clk, "apb_pclk", NULL)); + + clk = clk_register_fixed_rate(NULL, "v2m:clk_24mhz", NULL, + CLK_IS_ROOT, 24000000); + for (i = 0; i < ARRAY_SIZE(vexpress_clk_24mhz_periphs); i++) + WARN_ON(clk_register_clkdev(clk, NULL, + vexpress_clk_24mhz_periphs[i])); + + clk = clk_register_fixed_rate(NULL, "v2m:refclk32khz", NULL, + CLK_IS_ROOT, 32768); + WARN_ON(clk_register_clkdev(clk, NULL, "v2m:wdt")); + + clk = clk_register_fixed_rate(NULL, "v2m:refclk1mhz", NULL, + CLK_IS_ROOT, 1000000); + + vexpress_sp810_init(sp810_base); + + for (i = 0; i < ARRAY_SIZE(vexpress_sp810_timerclken); i++) + WARN_ON(clk_set_parent(vexpress_sp810_timerclken[i], clk)); + + WARN_ON(clk_register_clkdev(vexpress_sp810_timerclken[0], + "v2m-timer0", "sp804")); + WARN_ON(clk_register_clkdev(vexpress_sp810_timerclken[1], + "v2m-timer1", "sp804")); +} + +#if defined(CONFIG_OF) + +struct clk *vexpress_sp810_of_get(struct of_phandle_args *clkspec, void *data) +{ + if (WARN_ON(clkspec->args_count != 1 || clkspec->args[0] > + ARRAY_SIZE(vexpress_sp810_timerclken))) + return NULL; + + return vexpress_sp810_timerclken[clkspec->args[0]]; +} + +static const __initconst struct of_device_id vexpress_fixed_clk_match[] = { + { .compatible = "fixed-clock", .data = of_fixed_clk_setup, }, + { .compatible = "arm,vexpress-osc", .data = vexpress_osc_of_setup, }, + {} +}; + +void __init vexpress_clk_of_init(void) +{ + struct device_node *node; + struct clk *clk; + struct clk *refclk, *timclk; + + of_clk_init(vexpress_fixed_clk_match); + + node = of_find_compatible_node(NULL, NULL, "arm,sp810"); + vexpress_sp810_init(of_iomap(node, 0)); + of_clk_add_provider(node, vexpress_sp810_of_get, NULL); + + /* Select "better" (faster) parent for SP804 timers */ + refclk = of_clk_get_by_name(node, "refclk"); + timclk = of_clk_get_by_name(node, "timclk"); + if (!WARN_ON(IS_ERR(refclk) || IS_ERR(timclk))) { + int i = 0; + + if (clk_get_rate(refclk) > clk_get_rate(timclk)) + clk = refclk; + else + clk = timclk; + + for (i = 0; i < ARRAY_SIZE(vexpress_sp810_timerclken); i++) + WARN_ON(clk_set_parent(vexpress_sp810_timerclken[i], + clk)); + } + + WARN_ON(clk_register_clkdev(vexpress_sp810_timerclken[0], + "v2m-timer0", "sp804")); + WARN_ON(clk_register_clkdev(vexpress_sp810_timerclken[1], + "v2m-timer1", "sp804")); +} + +#endif diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 6a78073c380..a0985732f1e 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -22,6 +22,9 @@ config DW_APB_TIMER_OF config ARMADA_370_XP_TIMER bool +config SUNXI_TIMER + bool + config CLKSRC_DBX500_PRCMU bool "Clocksource PRCMU Timer" depends on UX500_SOC_DB8500 diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile index 603be366f76..36f06de4c5a 100644 --- a/drivers/clocksource/Makefile +++ b/drivers/clocksource/Makefile @@ -14,5 +14,6 @@ obj-$(CONFIG_DW_APB_TIMER_OF) += dw_apb_timer_of.o obj-$(CONFIG_CLKSRC_DBX500_PRCMU) += clksrc-dbx500-prcmu.o obj-$(CONFIG_ARMADA_370_XP_TIMER) += time-armada-370-xp.o obj-$(CONFIG_ARCH_BCM2835) += bcm2835_timer.o +obj-$(CONFIG_SUNXI_TIMER) += sunxi_timer.o obj-$(CONFIG_CLKSRC_ARM_GENERIC) += arm_generic.o diff --git a/drivers/clocksource/sunxi_timer.c b/drivers/clocksource/sunxi_timer.c new file mode 100644 index 00000000000..3c46434b64c --- /dev/null +++ b/drivers/clocksource/sunxi_timer.c @@ -0,0 +1,170 @@ +/* + * Allwinner A1X SoCs timer handling. + * + * Copyright (C) 2012 Maxime Ripard + * + * Maxime Ripard <maxime.ripard@free-electrons.com> + * + * Based on code from + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Benn Huang <benn@allwinnertech.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/clk.h> +#include <linux/clockchips.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/irqreturn.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/sunxi_timer.h> +#include <linux/clk/sunxi.h> + +#define TIMER_CTL_REG 0x00 +#define TIMER_CTL_ENABLE (1 << 0) +#define TIMER_IRQ_ST_REG 0x04 +#define TIMER0_CTL_REG 0x10 +#define TIMER0_CTL_ENABLE (1 << 0) +#define TIMER0_CTL_AUTORELOAD (1 << 1) +#define TIMER0_CTL_ONESHOT (1 << 7) +#define TIMER0_INTVAL_REG 0x14 +#define TIMER0_CNTVAL_REG 0x18 + +#define TIMER_SCAL 16 + +static void __iomem *timer_base; + +static void sunxi_clkevt_mode(enum clock_event_mode mode, + struct clock_event_device *clk) +{ + u32 u = readl(timer_base + TIMER0_CTL_REG); + + switch (mode) { + case CLOCK_EVT_MODE_PERIODIC: + u &= ~(TIMER0_CTL_ONESHOT); + writel(u | TIMER0_CTL_ENABLE, timer_base + TIMER0_CTL_REG); + break; + + case CLOCK_EVT_MODE_ONESHOT: + writel(u | TIMER0_CTL_ONESHOT, timer_base + TIMER0_CTL_REG); + break; + case CLOCK_EVT_MODE_UNUSED: + case CLOCK_EVT_MODE_SHUTDOWN: + default: + writel(u & ~(TIMER0_CTL_ENABLE), timer_base + TIMER0_CTL_REG); + break; + } +} + +static int sunxi_clkevt_next_event(unsigned long evt, + struct clock_event_device *unused) +{ + u32 u = readl(timer_base + TIMER0_CTL_REG); + writel(evt, timer_base + TIMER0_CNTVAL_REG); + writel(u | TIMER0_CTL_ENABLE | TIMER0_CTL_AUTORELOAD, + timer_base + TIMER0_CTL_REG); + + return 0; +} + +static struct clock_event_device sunxi_clockevent = { + .name = "sunxi_tick", + .shift = 32, + .rating = 300, + .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .set_mode = sunxi_clkevt_mode, + .set_next_event = sunxi_clkevt_next_event, +}; + + +static irqreturn_t sunxi_timer_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *evt = (struct clock_event_device *)dev_id; + + writel(0x1, timer_base + TIMER_IRQ_ST_REG); + evt->event_handler(evt); + + return IRQ_HANDLED; +} + +static struct irqaction sunxi_timer_irq = { + .name = "sunxi_timer0", + .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .handler = sunxi_timer_interrupt, + .dev_id = &sunxi_clockevent, +}; + +static struct of_device_id sunxi_timer_dt_ids[] = { + { .compatible = "allwinner,sunxi-timer" }, +}; + +static void __init sunxi_timer_init(void) +{ + struct device_node *node; + unsigned long rate = 0; + struct clk *clk; + int ret, irq; + u32 val; + + node = of_find_matching_node(NULL, sunxi_timer_dt_ids); + if (!node) + panic("No sunxi timer node"); + + timer_base = of_iomap(node, 0); + if (!timer_base) + panic("Can't map registers"); + + irq = irq_of_parse_and_map(node, 0); + if (irq <= 0) + panic("Can't parse IRQ"); + + sunxi_init_clocks(); + + clk = of_clk_get(node, 0); + if (IS_ERR(clk)) + panic("Can't get timer clock"); + + rate = clk_get_rate(clk); + + writel(rate / (TIMER_SCAL * HZ), + timer_base + TIMER0_INTVAL_REG); + + /* set clock source to HOSC, 16 pre-division */ + val = readl(timer_base + TIMER0_CTL_REG); + val &= ~(0x07 << 4); + val &= ~(0x03 << 2); + val |= (4 << 4) | (1 << 2); + writel(val, timer_base + TIMER0_CTL_REG); + + /* set mode to auto reload */ + val = readl(timer_base + TIMER0_CTL_REG); + writel(val | TIMER0_CTL_AUTORELOAD, timer_base + TIMER0_CTL_REG); + + ret = setup_irq(irq, &sunxi_timer_irq); + if (ret) + pr_warn("failed to setup irq %d\n", irq); + + /* Enable timer0 interrupt */ + val = readl(timer_base + TIMER_CTL_REG); + writel(val | TIMER_CTL_ENABLE, timer_base + TIMER_CTL_REG); + + sunxi_clockevent.mult = div_sc(rate / TIMER_SCAL, + NSEC_PER_SEC, + sunxi_clockevent.shift); + sunxi_clockevent.max_delta_ns = clockevent_delta2ns(0xff, + &sunxi_clockevent); + sunxi_clockevent.min_delta_ns = clockevent_delta2ns(0x1, + &sunxi_clockevent); + sunxi_clockevent.cpumask = cpumask_of(0); + + clockevents_register_device(&sunxi_clockevent); +} + +struct sys_timer sunxi_timer = { + .init = sunxi_timer_init, +}; diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index c16a3a593ba..e3ebb4fa2c3 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -5,7 +5,7 @@ * http://www.gnu.org/licenses/gpl.html * * Maintainer: - * Andreas Herrmann <andreas.herrmann3@amd.com> + * Andreas Herrmann <herrmann.der.user@googlemail.com> * * Based on the powernow-k7.c module written by Dave Jones. * (C) 2003 Dave Jones on behalf of SuSE Labs diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c index 37185e6630c..e69f3bc473b 100644 --- a/drivers/crypto/tegra-aes.c +++ b/drivers/crypto/tegra-aes.c @@ -41,8 +41,6 @@ #include <linux/completion.h> #include <linux/workqueue.h> -#include <mach/clk.h> - #include <crypto/scatterwalk.h> #include <crypto/aes.h> #include <crypto/internal/rng.h> diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 7d9554cc497..dbf0e6f8de8 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -29,7 +29,6 @@ #include <asm/irq.h> #include <linux/platform_data/dma-imx.h> -#include <mach/hardware.h> #include "dmaengine.h" #define IMXDMA_MAX_CHAN_DESCRIPTORS 16 @@ -167,6 +166,12 @@ struct imxdma_channel { int slot_2d; }; +enum imx_dma_type { + IMX1_DMA, + IMX21_DMA, + IMX27_DMA, +}; + struct imxdma_engine { struct device *dev; struct device_dma_parameters dma_parms; @@ -177,7 +182,39 @@ struct imxdma_engine { spinlock_t lock; struct imx_dma_2d_config slots_2d[IMX_DMA_2D_SLOTS]; struct imxdma_channel channel[IMX_DMA_CHANNELS]; + enum imx_dma_type devtype; +}; + +static struct platform_device_id imx_dma_devtype[] = { + { + .name = "imx1-dma", + .driver_data = IMX1_DMA, + }, { + .name = "imx21-dma", + .driver_data = IMX21_DMA, + }, { + .name = "imx27-dma", + .driver_data = IMX27_DMA, + }, { + /* sentinel */ + } }; +MODULE_DEVICE_TABLE(platform, imx_dma_devtype); + +static inline int is_imx1_dma(struct imxdma_engine *imxdma) +{ + return imxdma->devtype == IMX1_DMA; +} + +static inline int is_imx21_dma(struct imxdma_engine *imxdma) +{ + return imxdma->devtype == IMX21_DMA; +} + +static inline int is_imx27_dma(struct imxdma_engine *imxdma) +{ + return imxdma->devtype == IMX27_DMA; +} static struct imxdma_channel *to_imxdma_chan(struct dma_chan *chan) { @@ -212,7 +249,9 @@ static unsigned imx_dmav1_readl(struct imxdma_engine *imxdma, unsigned offset) static int imxdma_hw_chain(struct imxdma_channel *imxdmac) { - if (cpu_is_mx27()) + struct imxdma_engine *imxdma = imxdmac->imxdma; + + if (is_imx27_dma(imxdma)) return imxdmac->hw_chaining; else return 0; @@ -267,7 +306,7 @@ static void imxdma_enable_hw(struct imxdma_desc *d) imx_dmav1_writel(imxdma, imx_dmav1_readl(imxdma, DMA_CCR(channel)) | CCR_CEN | CCR_ACRPT, DMA_CCR(channel)); - if ((cpu_is_mx21() || cpu_is_mx27()) && + if (!is_imx1_dma(imxdma) && d->sg && imxdma_hw_chain(imxdmac)) { d->sg = sg_next(d->sg); if (d->sg) { @@ -436,7 +475,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id) struct imxdma_engine *imxdma = dev_id; int i, disr; - if (cpu_is_mx21() || cpu_is_mx27()) + if (!is_imx1_dma(imxdma)) imxdma_err_handler(irq, dev_id); disr = imx_dmav1_readl(imxdma, DMA_DISR); @@ -961,35 +1000,32 @@ static void imxdma_issue_pending(struct dma_chan *chan) static int __init imxdma_probe(struct platform_device *pdev) { struct imxdma_engine *imxdma; + struct resource *res; int ret, i; + int irq, irq_err; - - imxdma = kzalloc(sizeof(*imxdma), GFP_KERNEL); + imxdma = devm_kzalloc(&pdev->dev, sizeof(*imxdma), GFP_KERNEL); if (!imxdma) return -ENOMEM; - if (cpu_is_mx1()) { - imxdma->base = MX1_IO_ADDRESS(MX1_DMA_BASE_ADDR); - } else if (cpu_is_mx21()) { - imxdma->base = MX21_IO_ADDRESS(MX21_DMA_BASE_ADDR); - } else if (cpu_is_mx27()) { - imxdma->base = MX27_IO_ADDRESS(MX27_DMA_BASE_ADDR); - } else { - kfree(imxdma); - return 0; - } + imxdma->devtype = pdev->id_entry->driver_data; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + imxdma->base = devm_request_and_ioremap(&pdev->dev, res); + if (!imxdma->base) + return -EADDRNOTAVAIL; + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; imxdma->dma_ipg = devm_clk_get(&pdev->dev, "ipg"); - if (IS_ERR(imxdma->dma_ipg)) { - ret = PTR_ERR(imxdma->dma_ipg); - goto err_clk; - } + if (IS_ERR(imxdma->dma_ipg)) + return PTR_ERR(imxdma->dma_ipg); imxdma->dma_ahb = devm_clk_get(&pdev->dev, "ahb"); - if (IS_ERR(imxdma->dma_ahb)) { - ret = PTR_ERR(imxdma->dma_ahb); - goto err_clk; - } + if (IS_ERR(imxdma->dma_ahb)) + return PTR_ERR(imxdma->dma_ahb); clk_prepare_enable(imxdma->dma_ipg); clk_prepare_enable(imxdma->dma_ahb); @@ -997,18 +1033,25 @@ static int __init imxdma_probe(struct platform_device *pdev) /* reset DMA module */ imx_dmav1_writel(imxdma, DCR_DRST, DMA_DCR); - if (cpu_is_mx1()) { - ret = request_irq(MX1_DMA_INT, dma_irq_handler, 0, "DMA", imxdma); + if (is_imx1_dma(imxdma)) { + ret = devm_request_irq(&pdev->dev, irq, + dma_irq_handler, 0, "DMA", imxdma); if (ret) { dev_warn(imxdma->dev, "Can't register IRQ for DMA\n"); - goto err_enable; + goto err; + } + + irq_err = platform_get_irq(pdev, 1); + if (irq_err < 0) { + ret = irq_err; + goto err; } - ret = request_irq(MX1_DMA_ERR, imxdma_err_handler, 0, "DMA", imxdma); + ret = devm_request_irq(&pdev->dev, irq_err, + imxdma_err_handler, 0, "DMA", imxdma); if (ret) { dev_warn(imxdma->dev, "Can't register ERRIRQ for DMA\n"); - free_irq(MX1_DMA_INT, NULL); - goto err_enable; + goto err; } } @@ -1038,14 +1081,14 @@ static int __init imxdma_probe(struct platform_device *pdev) for (i = 0; i < IMX_DMA_CHANNELS; i++) { struct imxdma_channel *imxdmac = &imxdma->channel[i]; - if (cpu_is_mx21() || cpu_is_mx27()) { - ret = request_irq(MX2x_INT_DMACH0 + i, + if (!is_imx1_dma(imxdma)) { + ret = devm_request_irq(&pdev->dev, irq + i, dma_irq_handler, 0, "DMA", imxdma); if (ret) { dev_warn(imxdma->dev, "Can't register IRQ %d " "for DMA channel %d\n", - MX2x_INT_DMACH0 + i, i); - goto err_init; + irq + i, i); + goto err; } init_timer(&imxdmac->watchdog); imxdmac->watchdog.function = &imxdma_watchdog; @@ -1091,46 +1134,25 @@ static int __init imxdma_probe(struct platform_device *pdev) ret = dma_async_device_register(&imxdma->dma_device); if (ret) { dev_err(&pdev->dev, "unable to register\n"); - goto err_init; + goto err; } return 0; -err_init: - - if (cpu_is_mx21() || cpu_is_mx27()) { - while (--i >= 0) - free_irq(MX2x_INT_DMACH0 + i, NULL); - } else if cpu_is_mx1() { - free_irq(MX1_DMA_INT, NULL); - free_irq(MX1_DMA_ERR, NULL); - } -err_enable: +err: clk_disable_unprepare(imxdma->dma_ipg); clk_disable_unprepare(imxdma->dma_ahb); -err_clk: - kfree(imxdma); return ret; } static int __exit imxdma_remove(struct platform_device *pdev) { struct imxdma_engine *imxdma = platform_get_drvdata(pdev); - int i; dma_async_device_unregister(&imxdma->dma_device); - if (cpu_is_mx21() || cpu_is_mx27()) { - for (i = 0; i < IMX_DMA_CHANNELS; i++) - free_irq(MX2x_INT_DMACH0 + i, NULL); - } else if cpu_is_mx1() { - free_irq(MX1_DMA_INT, NULL); - free_irq(MX1_DMA_ERR, NULL); - } - clk_disable_unprepare(imxdma->dma_ipg); clk_disable_unprepare(imxdma->dma_ahb); - kfree(imxdma); return 0; } @@ -1139,6 +1161,7 @@ static struct platform_driver imxdma_driver = { .driver = { .name = "imx-dma", }, + .id_table = imx_dma_devtype, .remove = __exit_p(imxdma_remove), }; diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index c099ca0846f..f082aa3a918 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -40,7 +40,6 @@ #include <asm/irq.h> #include <linux/platform_data/dma-imx-sdma.h> #include <linux/platform_data/dma-imx.h> -#include <mach/hardware.h> #include "dmaengine.h" diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c index c7573e50aa1..65855373cee 100644 --- a/drivers/dma/ipu/ipu_idmac.c +++ b/drivers/dma/ipu/ipu_idmac.c @@ -22,8 +22,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> - -#include <mach/ipu.h> +#include <linux/dma/ipu-dma.h> #include "../dmaengine.h" #include "ipu_intern.h" diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c index fa95bcc3de1..a5ee37d5320 100644 --- a/drivers/dma/ipu/ipu_irq.c +++ b/drivers/dma/ipu/ipu_irq.c @@ -15,8 +15,7 @@ #include <linux/irq.h> #include <linux/io.h> #include <linux/module.h> - -#include <mach/ipu.h> +#include <linux/dma/ipu-dma.h> #include "ipu_intern.h" diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d055cee3694..f11d8e3b404 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -47,7 +47,7 @@ if GPIOLIB config OF_GPIO def_bool y - depends on OF && !SPARC + depends on OF config DEBUG_GPIO bool "Debug GPIO calls" diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c index ed3e55161bd..f05e54258ff 100644 --- a/drivers/gpio/gpio-74x164.c +++ b/drivers/gpio/gpio-74x164.c @@ -153,7 +153,7 @@ static int __devinit gen_74x164_probe(struct spi_device *spi) } chip->gpio_chip.ngpio = GEN_74X164_NUMBER_GPIOS * chip->registers; - chip->buffer = devm_kzalloc(&spi->dev, chip->gpio_chip.ngpio, GFP_KERNEL); + chip->buffer = devm_kzalloc(&spi->dev, chip->registers, GFP_KERNEL); if (!chip->buffer) { ret = -ENOMEM; goto exit_destroy; diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 7a874129e5d..cf7afb9eb61 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -244,6 +244,8 @@ static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin, if (ret) return ret; + mvebu_gpio_set(chip, pin, value); + spin_lock_irqsave(&mvchip->lock, flags); u = readl_relaxed(mvebu_gpioreg_io_conf(mvchip)); u &= ~(1 << pin); @@ -644,7 +646,7 @@ static int __devinit mvebu_gpio_probe(struct platform_device *pdev) ct->handler = handle_edge_irq; ct->chip.name = mvchip->chip.label; - irq_setup_generic_chip(gc, IRQ_MSK(ngpios), IRQ_GC_INIT_MASK_CACHE, + irq_setup_generic_chip(gc, IRQ_MSK(ngpios), 0, IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); /* Setup irq domain on top of the generic chip. */ diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 94cbc842fbc..d335af1d4d8 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -251,6 +251,40 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, } } +/** + * _clear_gpio_debounce - clear debounce settings for a gpio + * @bank: the gpio bank we're acting upon + * @gpio: the gpio number on this @gpio + * + * If a gpio is using debounce, then clear the debounce enable bit and if + * this is the only gpio in this bank using debounce, then clear the debounce + * time too. The debounce clock will also be disabled when calling this function + * if this is the only gpio in the bank using debounce. + */ +static void _clear_gpio_debounce(struct gpio_bank *bank, unsigned gpio) +{ + u32 gpio_bit = GPIO_BIT(bank, gpio); + + if (!bank->dbck_flag) + return; + + if (!(bank->dbck_enable_mask & gpio_bit)) + return; + + bank->dbck_enable_mask &= ~gpio_bit; + bank->context.debounce_en &= ~gpio_bit; + __raw_writel(bank->context.debounce_en, + bank->base + bank->regs->debounce_en); + + if (!bank->dbck_enable_mask) { + bank->context.debounce = 0; + __raw_writel(bank->context.debounce, bank->base + + bank->regs->debounce); + clk_disable(bank->dbck); + bank->dbck_enabled = false; + } +} + static inline void set_gpio_trigger(struct gpio_bank *bank, int gpio, unsigned trigger) { @@ -539,6 +573,7 @@ static void _reset_gpio(struct gpio_bank *bank, int gpio) _set_gpio_irqenable(bank, gpio, 0); _clear_gpio_irqstatus(bank, gpio); _set_gpio_triggering(bank, GPIO_INDEX(bank, gpio), IRQ_TYPE_NONE); + _clear_gpio_debounce(bank, gpio); } /* Use disable_irq_wake() and enable_irq_wake() functions from drivers */ diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c index 031c6adf5b6..1a3e2b9b477 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -116,7 +116,7 @@ static void timbgpio_irq_disable(struct irq_data *d) unsigned long flags; spin_lock_irqsave(&tgpio->lock, flags); - tgpio->last_ier &= ~(1 << offset); + tgpio->last_ier &= ~(1UL << offset); iowrite32(tgpio->last_ier, tgpio->membase + TGPIO_IER); spin_unlock_irqrestore(&tgpio->lock, flags); } @@ -128,7 +128,7 @@ static void timbgpio_irq_enable(struct irq_data *d) unsigned long flags; spin_lock_irqsave(&tgpio->lock, flags); - tgpio->last_ier |= 1 << offset; + tgpio->last_ier |= 1UL << offset; iowrite32(tgpio->last_ier, tgpio->membase + TGPIO_IER); spin_unlock_irqrestore(&tgpio->lock, flags); } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 5d6c71edc73..1c8d9e3380e 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -623,9 +623,11 @@ static ssize_t export_store(struct class *class, */ status = gpio_request(gpio, "sysfs"); - if (status < 0) + if (status < 0) { + if (status == -EPROBE_DEFER) + status = -ENODEV; goto done; - + } status = gpio_export(gpio, true); if (status < 0) gpio_free(gpio); @@ -1191,8 +1193,10 @@ int gpio_request(unsigned gpio, const char *label) spin_lock_irqsave(&gpio_lock, flags); - if (!gpio_is_valid(gpio)) + if (!gpio_is_valid(gpio)) { + status = -EINVAL; goto done; + } desc = &gpio_desc[gpio]; chip = desc->chip; if (chip == NULL) diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 7ef1b673e1b..133b4132983 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -121,6 +121,8 @@ int drm_open(struct inode *inode, struct file *filp) int minor_id = iminor(inode); struct drm_minor *minor; int retcode = 0; + int need_setup = 0; + struct address_space *old_mapping; minor = idr_find(&drm_minors_idr, minor_id); if (!minor) @@ -132,23 +134,37 @@ int drm_open(struct inode *inode, struct file *filp) if (drm_device_is_unplugged(dev)) return -ENODEV; + if (!dev->open_count++) + need_setup = 1; + mutex_lock(&dev->struct_mutex); + old_mapping = dev->dev_mapping; + if (old_mapping == NULL) + dev->dev_mapping = &inode->i_data; + /* ihold ensures nobody can remove inode with our i_data */ + ihold(container_of(dev->dev_mapping, struct inode, i_data)); + inode->i_mapping = dev->dev_mapping; + filp->f_mapping = dev->dev_mapping; + mutex_unlock(&dev->struct_mutex); + retcode = drm_open_helper(inode, filp, dev); - if (!retcode) { - atomic_inc(&dev->counts[_DRM_STAT_OPENS]); - if (!dev->open_count++) - retcode = drm_setup(dev); - } - if (!retcode) { - mutex_lock(&dev->struct_mutex); - if (dev->dev_mapping == NULL) - dev->dev_mapping = &inode->i_data; - /* ihold ensures nobody can remove inode with our i_data */ - ihold(container_of(dev->dev_mapping, struct inode, i_data)); - inode->i_mapping = dev->dev_mapping; - filp->f_mapping = dev->dev_mapping; - mutex_unlock(&dev->struct_mutex); + if (retcode) + goto err_undo; + atomic_inc(&dev->counts[_DRM_STAT_OPENS]); + if (need_setup) { + retcode = drm_setup(dev); + if (retcode) + goto err_undo; } + return 0; +err_undo: + mutex_lock(&dev->struct_mutex); + filp->f_mapping = old_mapping; + inode->i_mapping = old_mapping; + iput(container_of(dev->dev_mapping, struct inode, i_data)); + dev->dev_mapping = old_mapping; + mutex_unlock(&dev->struct_mutex); + dev->open_count--; return retcode; } EXPORT_SYMBOL(drm_open); diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 59a26e577b5..fc345d4ebb0 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -1,6 +1,6 @@ config DRM_EXYNOS tristate "DRM Support for Samsung SoC EXYNOS Series" - depends on DRM && PLAT_SAMSUNG + depends on DRM && (PLAT_SAMSUNG || ARCH_MULTIPLATFORM) select DRM_KMS_HELPER select FB_CFB_FILLRECT select FB_CFB_COPYAREA diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 18c271862ca..0f68a287267 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -374,6 +374,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, exynos_connector->encoder_id = encoder->base.id; exynos_connector->manager = manager; exynos_connector->dpms = DRM_MODE_DPMS_OFF; + connector->dpms = DRM_MODE_DPMS_OFF; connector->encoder = encoder; err = drm_mode_connector_attach_encoder(connector, encoder); diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index e51503fbaf2..241ad1eeec6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -43,12 +43,14 @@ * @manager: specific encoder has its own manager to control a hardware * appropriately and we can access a hardware drawing on this manager. * @dpms: store the encoder dpms value. + * @updated: indicate whether overlay data updating is needed or not. */ struct exynos_drm_encoder { struct drm_crtc *old_crtc; struct drm_encoder drm_encoder; struct exynos_drm_manager *manager; - int dpms; + int dpms; + bool updated; }; static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode) @@ -85,7 +87,9 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode) switch (mode) { case DRM_MODE_DPMS_ON: if (manager_ops && manager_ops->apply) - manager_ops->apply(manager->dev); + if (!exynos_encoder->updated) + manager_ops->apply(manager->dev); + exynos_drm_connector_power(encoder, mode); exynos_encoder->dpms = mode; break; @@ -94,6 +98,7 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode) case DRM_MODE_DPMS_OFF: exynos_drm_connector_power(encoder, mode); exynos_encoder->dpms = mode; + exynos_encoder->updated = false; break; default: DRM_ERROR("unspecified mode %d\n", mode); @@ -205,13 +210,22 @@ static void exynos_drm_encoder_prepare(struct drm_encoder *encoder) static void exynos_drm_encoder_commit(struct drm_encoder *encoder) { - struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder); + struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder); + struct exynos_drm_manager *manager = exynos_encoder->manager; struct exynos_drm_manager_ops *manager_ops = manager->ops; DRM_DEBUG_KMS("%s\n", __FILE__); if (manager_ops && manager_ops->commit) manager_ops->commit(manager->dev); + + /* + * this will avoid one issue that overlay data is updated to + * real hardware two times. + * And this variable will be used to check if the data was + * already updated or not by exynos_drm_encoder_dpms function. + */ + exynos_encoder->updated = true; } static void exynos_drm_encoder_disable(struct drm_encoder *encoder) @@ -401,19 +415,6 @@ void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data) manager_ops->dpms(manager->dev, mode); /* - * set current mode to new one so that data aren't updated into - * registers by drm_helper_connector_dpms two times. - * - * in case that drm_crtc_helper_set_mode() is called, - * overlay_ops->commit() and manager_ops->commit() callbacks - * can be called two times, first at drm_crtc_helper_set_mode() - * and second at drm_helper_connector_dpms(). - * so with this setting, when drm_helper_connector_dpms() is called - * encoder->funcs->dpms() will be ignored. - */ - exynos_encoder->dpms = mode; - - /* * if this condition is ok then it means that the crtc is already * detached from encoder and last function for detaching is properly * done, so clear pipe from manager to prevent repeated call. diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 614b2e9ac46..e7fbb823fd8 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -1142,7 +1142,7 @@ static int __devinit mixer_probe(struct platform_device *pdev) const struct of_device_id *match; match = of_match_node(of_match_ptr(mixer_match_types), pdev->dev.of_node); - drv = match->data; + drv = (struct mixer_drv_data *)match->data; } else { drv = (struct mixer_drv_data *) platform_get_device_id(pdev)->driver_data; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index c9bfd83dde6..61ae104dca8 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1505,7 +1505,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) goto put_gmch; } - i915_kick_out_firmware_fb(dev_priv); + if (drm_core_check_feature(dev, DRIVER_MODESET)) + i915_kick_out_firmware_fb(dev_priv); pci_set_master(dev->pdev); diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index f78061af704..b726b478a4f 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -729,7 +729,7 @@ void intel_crt_init(struct drm_device *dev) crt->base.type = INTEL_OUTPUT_ANALOG; crt->base.cloneable = true; - if (IS_HASWELL(dev)) + if (IS_HASWELL(dev) || IS_I830(dev)) crt->base.crtc_mask = (1 << 0); else crt->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index 495625914e4..d7bc817f51a 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -341,9 +341,17 @@ static int intel_overlay_off(struct intel_overlay *overlay) intel_ring_emit(ring, flip_addr); intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); /* turn overlay off */ - intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF); - intel_ring_emit(ring, flip_addr); - intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); + if (IS_I830(dev)) { + /* Workaround: Don't disable the overlay fully, since otherwise + * it dies on the next OVERLAY_ON cmd. */ + intel_ring_emit(ring, MI_NOOP); + intel_ring_emit(ring, MI_NOOP); + intel_ring_emit(ring, MI_NOOP); + } else { + intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF); + intel_ring_emit(ring, flip_addr); + intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); + } intel_ring_advance(ring); return intel_overlay_do_wait_request(overlay, intel_overlay_off_tail); diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index e019b236986..e2aacd32954 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -435,7 +435,7 @@ int intel_panel_setup_backlight(struct drm_device *dev) props.type = BACKLIGHT_RAW; props.max_brightness = _intel_panel_get_max_backlight(dev); if (props.max_brightness == 0) { - DRM_ERROR("Failed to get maximum backlight value\n"); + DRM_DEBUG_DRIVER("Failed to get maximum backlight value\n"); return -ENODEV; } dev_priv->backlight = diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index c01d97db006..79d308da29f 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -894,6 +894,45 @@ static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo) } #endif +static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo, + unsigned if_index, uint8_t tx_rate, + uint8_t *data, unsigned length) +{ + uint8_t set_buf_index[2] = { if_index, 0 }; + uint8_t hbuf_size, tmp[8]; + int i; + + if (!intel_sdvo_set_value(intel_sdvo, + SDVO_CMD_SET_HBUF_INDEX, + set_buf_index, 2)) + return false; + + if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO, + &hbuf_size, 1)) + return false; + + /* Buffer size is 0 based, hooray! */ + hbuf_size++; + + DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n", + if_index, length, hbuf_size); + + for (i = 0; i < hbuf_size; i += 8) { + memset(tmp, 0, 8); + if (i < length) + memcpy(tmp, data + i, min_t(unsigned, 8, length - i)); + + if (!intel_sdvo_set_value(intel_sdvo, + SDVO_CMD_SET_HBUF_DATA, + tmp, 8)) + return false; + } + + return intel_sdvo_set_value(intel_sdvo, + SDVO_CMD_SET_HBUF_TXRATE, + &tx_rate, 1); +} + static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo) { struct dip_infoframe avi_if = { @@ -901,11 +940,7 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo) .ver = DIP_VERSION_AVI, .len = DIP_LEN_AVI, }; - uint8_t tx_rate = SDVO_HBUF_TX_VSYNC; - uint8_t set_buf_index[2] = { 1, 0 }; uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)]; - uint64_t *data = (uint64_t *)sdvo_data; - unsigned i; intel_dip_infoframe_csum(&avi_if); @@ -915,22 +950,9 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo) sdvo_data[3] = avi_if.checksum; memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi)); - if (!intel_sdvo_set_value(intel_sdvo, - SDVO_CMD_SET_HBUF_INDEX, - set_buf_index, 2)) - return false; - - for (i = 0; i < sizeof(sdvo_data); i += 8) { - if (!intel_sdvo_set_value(intel_sdvo, - SDVO_CMD_SET_HBUF_DATA, - data, 8)) - return false; - data++; - } - - return intel_sdvo_set_value(intel_sdvo, - SDVO_CMD_SET_HBUF_TXRATE, - &tx_rate, 1); + return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF, + SDVO_HBUF_TX_VSYNC, + sdvo_data, sizeof(sdvo_data)); } static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo) diff --git a/drivers/gpu/drm/i915/intel_sdvo_regs.h b/drivers/gpu/drm/i915/intel_sdvo_regs.h index 9d030142ee4..770bdd6ecd9 100644 --- a/drivers/gpu/drm/i915/intel_sdvo_regs.h +++ b/drivers/gpu/drm/i915/intel_sdvo_regs.h @@ -708,6 +708,8 @@ struct intel_sdvo_enhancements_arg { #define SDVO_CMD_SET_AUDIO_STAT 0x91 #define SDVO_CMD_GET_AUDIO_STAT 0x92 #define SDVO_CMD_SET_HBUF_INDEX 0x93 + #define SDVO_HBUF_INDEX_ELD 0 + #define SDVO_HBUF_INDEX_AVI_IF 1 #define SDVO_CMD_GET_HBUF_INDEX 0x94 #define SDVO_CMD_GET_HBUF_INFO 0x95 #define SDVO_CMD_SET_HBUF_AV_SPLIT 0x96 diff --git a/drivers/gpu/drm/nouveau/core/core/mm.c b/drivers/gpu/drm/nouveau/core/core/mm.c index 4d620644867..a6d3cd6490f 100644 --- a/drivers/gpu/drm/nouveau/core/core/mm.c +++ b/drivers/gpu/drm/nouveau/core/core/mm.c @@ -218,13 +218,16 @@ nouveau_mm_init(struct nouveau_mm *mm, u32 offset, u32 length, u32 block) node = kzalloc(sizeof(*node), GFP_KERNEL); if (!node) return -ENOMEM; - node->offset = roundup(offset, mm->block_size); - node->length = rounddown(offset + length, mm->block_size) - node->offset; + + if (length) { + node->offset = roundup(offset, mm->block_size); + node->length = rounddown(offset + length, mm->block_size); + node->length -= node->offset; + } list_add_tail(&node->nl_entry, &mm->nodes); list_add_tail(&node->fl_entry, &mm->free); mm->heap_nodes++; - mm->heap_size += length; return 0; } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 16a9afb1060..05a909a17ce 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -22,6 +22,8 @@ * Authors: Ben Skeggs */ +#include <subdev/bar.h> + #include <engine/software.h> #include <engine/disp.h> @@ -37,6 +39,7 @@ nv50_disp_sclass[] = { static void nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc) { + struct nouveau_bar *bar = nouveau_bar(priv); struct nouveau_disp *disp = &priv->base; struct nouveau_software_chan *chan, *temp; unsigned long flags; @@ -46,18 +49,19 @@ nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc) if (chan->vblank.crtc != crtc) continue; - nv_wr32(priv, 0x001704, chan->vblank.channel); - nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); - if (nv_device(priv)->chipset == 0x50) { + nv_wr32(priv, 0x001704, chan->vblank.channel); + nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); + bar->flush(bar); nv_wr32(priv, 0x001570, chan->vblank.offset); nv_wr32(priv, 0x001574, chan->vblank.value); } else { - if (nv_device(priv)->chipset >= 0xc0) { - nv_wr32(priv, 0x06000c, - upper_32_bits(chan->vblank.offset)); - } - nv_wr32(priv, 0x060010, chan->vblank.offset); + nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel); + bar->flush(bar); + nv_wr32(priv, 0x06000c, + upper_32_bits(chan->vblank.offset)); + nv_wr32(priv, 0x060010, + lower_32_bits(chan->vblank.offset)); nv_wr32(priv, 0x060014, chan->vblank.value); } diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c index 8d0021049ec..425001204a8 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c @@ -156,8 +156,8 @@ nv40_graph_context_ctor(struct nouveau_object *parent, static int nv40_graph_context_fini(struct nouveau_object *object, bool suspend) { - struct nv04_graph_priv *priv = (void *)object->engine; - struct nv04_graph_chan *chan = (void *)object; + struct nv40_graph_priv *priv = (void *)object->engine; + struct nv40_graph_chan *chan = (void *)object; u32 inst = 0x01000000 | nv_gpuobj(chan)->addr >> 4; int ret = 0; diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c index 12418574efe..f7c581ad199 100644 --- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c @@ -38,7 +38,7 @@ struct nv40_mpeg_priv { }; struct nv40_mpeg_chan { - struct nouveau_mpeg base; + struct nouveau_mpeg_chan base; }; /******************************************************************************* diff --git a/drivers/gpu/drm/nouveau/core/include/core/mm.h b/drivers/gpu/drm/nouveau/core/include/core/mm.h index 9ee9bf4028c..975137ba34a 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/mm.h +++ b/drivers/gpu/drm/nouveau/core/include/core/mm.h @@ -19,7 +19,6 @@ struct nouveau_mm { u32 block_size; int heap_nodes; - u32 heap_size; }; int nouveau_mm_init(struct nouveau_mm *, u32 offset, u32 length, u32 block); diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c index 27fb1af7a77..5f570806143 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c @@ -219,13 +219,11 @@ nv50_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, ((priv->base.ram.size & 0x000000ff) << 32); tags = nv_rd32(priv, 0x100320); - if (tags) { - ret = nouveau_mm_init(&priv->base.tags, 0, tags, 1); - if (ret) - return ret; + ret = nouveau_mm_init(&priv->base.tags, 0, tags, 1); + if (ret) + return ret; - nv_debug(priv, "%d compression tags\n", tags); - } + nv_debug(priv, "%d compression tags\n", tags); size = (priv->base.ram.size >> 12) - rsvd_head - rsvd_tail; switch (device->chipset) { diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c index 3d2c88310f9..dbfc2abf0cf 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c @@ -292,7 +292,7 @@ nouveau_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine, case DCB_I2C_NVIO_BIT: port->drive = info.drive & 0x0f; if (device->card_type < NV_D0) { - if (info.drive >= ARRAY_SIZE(nv50_i2c_port)) + if (port->drive >= ARRAY_SIZE(nv50_i2c_port)) break; port->drive = nv50_i2c_port[port->drive]; port->sense = port->drive; diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c index 49050d991e7..9474cfca6e4 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c +++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c @@ -67,7 +67,7 @@ nv41_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt) static void nv41_vm_flush(struct nouveau_vm *vm) { - struct nv04_vm_priv *priv = (void *)vm->vmm; + struct nv04_vmmgr_priv *priv = (void *)vm->vmm; mutex_lock(&nv_subdev(priv)->mutex); nv_wr32(priv, 0x100810, 0x00000022); diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 9a6e2cb282d..d3595b23434 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -355,7 +355,7 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) * valid - it's not (rh#613284) */ if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { - if (!(nv_connector->edid = nouveau_acpi_edid(dev, connector))) { + if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { status = connector_status_connected; goto out; } diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index d2f8ffeed74..86124b131f4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -290,6 +290,7 @@ nouveau_display_create(struct drm_device *dev) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_disp *pdisp = nouveau_disp(drm->device); struct nouveau_display *disp; + u32 pclass = dev->pdev->class >> 8; int ret, gen; disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); @@ -360,23 +361,27 @@ nouveau_display_create(struct drm_device *dev) drm_kms_helper_poll_init(dev); drm_kms_helper_poll_disable(dev); - if (nv_device(drm->device)->card_type < NV_50) - ret = nv04_display_create(dev); - else - if (nv_device(drm->device)->card_type < NV_D0) - ret = nv50_display_create(dev); - else - ret = nvd0_display_create(dev); - if (ret) - goto disp_create_err; - - if (dev->mode_config.num_crtc) { - ret = drm_vblank_init(dev, dev->mode_config.num_crtc); + if (nouveau_modeset == 1 || + (nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) { + if (nv_device(drm->device)->card_type < NV_50) + ret = nv04_display_create(dev); + else + if (nv_device(drm->device)->card_type < NV_D0) + ret = nv50_display_create(dev); + else + ret = nvd0_display_create(dev); if (ret) - goto vblank_err; + goto disp_create_err; + + if (dev->mode_config.num_crtc) { + ret = drm_vblank_init(dev, dev->mode_config.num_crtc); + if (ret) + goto vblank_err; + } + + nouveau_backlight_init(dev); } - nouveau_backlight_init(dev); return 0; vblank_err: @@ -395,7 +400,8 @@ nouveau_display_destroy(struct drm_device *dev) nouveau_backlight_exit(dev); drm_vblank_cleanup(dev); - disp->dtor(dev); + if (disp->dtor) + disp->dtor(dev); drm_kms_helper_poll_fini(dev); drm_mode_config_cleanup(dev); diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index ccae8c26ae2..0910125cbbc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -63,8 +63,9 @@ MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration"); static int nouveau_noaccel = 0; module_param_named(noaccel, nouveau_noaccel, int, 0400); -MODULE_PARM_DESC(modeset, "enable driver"); -static int nouveau_modeset = -1; +MODULE_PARM_DESC(modeset, "enable driver (default: auto, " + "0 = disabled, 1 = enabled, 2 = headless)"); +int nouveau_modeset = -1; module_param_named(modeset, nouveau_modeset, int, 0400); static struct drm_driver driver; @@ -363,7 +364,8 @@ nouveau_drm_unload(struct drm_device *dev) nouveau_pm_fini(dev); - nouveau_display_fini(dev); + if (dev->mode_config.num_crtc) + nouveau_display_fini(dev); nouveau_display_destroy(dev); nouveau_irq_fini(dev); @@ -403,13 +405,15 @@ nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state) pm_state.event == PM_EVENT_PRETHAW) return 0; - NV_INFO(drm, "suspending fbcon...\n"); - nouveau_fbcon_set_suspend(dev, 1); + if (dev->mode_config.num_crtc) { + NV_INFO(drm, "suspending fbcon...\n"); + nouveau_fbcon_set_suspend(dev, 1); - NV_INFO(drm, "suspending display...\n"); - ret = nouveau_display_suspend(dev); - if (ret) - return ret; + NV_INFO(drm, "suspending display...\n"); + ret = nouveau_display_suspend(dev); + if (ret) + return ret; + } NV_INFO(drm, "evicting buffers...\n"); ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM); @@ -445,8 +449,10 @@ fail_client: nouveau_client_init(&cli->base); } - NV_INFO(drm, "resuming display...\n"); - nouveau_display_resume(dev); + if (dev->mode_config.num_crtc) { + NV_INFO(drm, "resuming display...\n"); + nouveau_display_resume(dev); + } return ret; } @@ -486,8 +492,10 @@ nouveau_drm_resume(struct pci_dev *pdev) nouveau_irq_postinstall(dev); nouveau_pm_resume(dev); - NV_INFO(drm, "resuming display...\n"); - nouveau_display_resume(dev); + if (dev->mode_config.num_crtc) { + NV_INFO(drm, "resuming display...\n"); + nouveau_display_resume(dev); + } return 0; } @@ -662,9 +670,7 @@ nouveau_drm_init(void) #ifdef CONFIG_VGA_CONSOLE if (vgacon_text_force()) nouveau_modeset = 0; - else #endif - nouveau_modeset = 1; } if (!nouveau_modeset) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h index 81947121754..a1016992708 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.h +++ b/drivers/gpu/drm/nouveau/nouveau_drm.h @@ -141,4 +141,6 @@ int nouveau_drm_resume(struct pci_dev *); nv_info((cli), fmt, ##args); \ } while (0) +extern int nouveau_modeset; + #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 9ca8afdb554..1d8cb506a28 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -61,13 +61,15 @@ nouveau_irq_handler(DRM_IRQ_ARGS) nv_subdev(pmc)->intr(nv_subdev(pmc)); - if (device->card_type >= NV_D0) { - if (nv_rd32(device, 0x000100) & 0x04000000) - nvd0_display_intr(dev); - } else - if (device->card_type >= NV_50) { - if (nv_rd32(device, 0x000100) & 0x04000000) - nv50_display_intr(dev); + if (dev->mode_config.num_crtc) { + if (device->card_type >= NV_D0) { + if (nv_rd32(device, 0x000100) & 0x04000000) + nvd0_display_intr(dev); + } else + if (device->card_type >= NV_50) { + if (nv_rd32(device, 0x000100) & 0x04000000) + nv50_display_intr(dev); + } } return IRQ_HANDLED; diff --git a/drivers/gpu/drm/nouveau/nv04_dac.c b/drivers/gpu/drm/nouveau/nv04_dac.c index 347a3bd78d0..64f7020fb60 100644 --- a/drivers/gpu/drm/nouveau/nv04_dac.c +++ b/drivers/gpu/drm/nouveau/nv04_dac.c @@ -220,7 +220,7 @@ out: NVWriteVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX, saved_cr_mode); if (blue == 0x18) { - NV_INFO(drm, "Load detected on head A\n"); + NV_DEBUG(drm, "Load detected on head A\n"); return connector_status_connected; } @@ -338,8 +338,8 @@ nv17_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) if (nv17_dac_sample_load(encoder) & NV_PRAMDAC_TEST_CONTROL_SENSEB_ALLHI) { - NV_INFO(drm, "Load detected on output %c\n", - '@' + ffs(dcb->or)); + NV_DEBUG(drm, "Load detected on output %c\n", + '@' + ffs(dcb->or)); return connector_status_connected; } else { return connector_status_disconnected; @@ -413,9 +413,9 @@ static void nv04_dac_commit(struct drm_encoder *encoder) helper->dpms(encoder, DRM_MODE_DPMS_ON); - NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n", - drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), - nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); + NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n", + drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), + nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); } void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable) @@ -461,8 +461,8 @@ static void nv04_dac_dpms(struct drm_encoder *encoder, int mode) return; nv_encoder->last_dpms = mode; - NV_INFO(drm, "Setting dpms mode %d on vga encoder (output %d)\n", - mode, nv_encoder->dcb->index); + NV_DEBUG(drm, "Setting dpms mode %d on vga encoder (output %d)\n", + mode, nv_encoder->dcb->index); nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON); } diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index da55d7642c8..184cdf80676 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -476,9 +476,9 @@ static void nv04_dfp_commit(struct drm_encoder *encoder) helper->dpms(encoder, DRM_MODE_DPMS_ON); - NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n", - drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), - nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); + NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n", + drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), + nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); } static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode) @@ -520,8 +520,8 @@ static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode) return; nv_encoder->last_dpms = mode; - NV_INFO(drm, "Setting dpms mode %d on lvds encoder (output %d)\n", - mode, nv_encoder->dcb->index); + NV_DEBUG(drm, "Setting dpms mode %d on lvds encoder (output %d)\n", + mode, nv_encoder->dcb->index); if (was_powersaving && is_powersaving_dpms(mode)) return; @@ -565,8 +565,8 @@ static void nv04_tmds_dpms(struct drm_encoder *encoder, int mode) return; nv_encoder->last_dpms = mode; - NV_INFO(drm, "Setting dpms mode %d on tmds encoder (output %d)\n", - mode, nv_encoder->dcb->index); + NV_DEBUG(drm, "Setting dpms mode %d on tmds encoder (output %d)\n", + mode, nv_encoder->dcb->index); nv04_dfp_update_backlight(encoder, mode); nv04_dfp_update_fp_control(encoder, mode); diff --git a/drivers/gpu/drm/nouveau/nv04_tv.c b/drivers/gpu/drm/nouveau/nv04_tv.c index 099fbeda6e2..62e826a139b 100644 --- a/drivers/gpu/drm/nouveau/nv04_tv.c +++ b/drivers/gpu/drm/nouveau/nv04_tv.c @@ -75,8 +75,8 @@ static void nv04_tv_dpms(struct drm_encoder *encoder, int mode) struct nv04_mode_state *state = &nv04_display(dev)->mode_reg; uint8_t crtc1A; - NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n", - mode, nv_encoder->dcb->index); + NV_DEBUG(drm, "Setting dpms mode %d on TV encoder (output %d)\n", + mode, nv_encoder->dcb->index); state->pllsel &= ~(PLLSEL_TV_CRTC1_MASK | PLLSEL_TV_CRTC2_MASK); @@ -167,9 +167,8 @@ static void nv04_tv_commit(struct drm_encoder *encoder) helper->dpms(encoder, DRM_MODE_DPMS_ON); - NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n", - drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index, - '@' + ffs(nv_encoder->dcb->or)); + NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n", + drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); } static void nv04_tv_destroy(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 2e566e123e9..3bce0299f64 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1696,35 +1696,43 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) return ATOM_PPLL2; DRM_ERROR("unable to allocate a PPLL\n"); return ATOM_PPLL_INVALID; - } else { - if (ASIC_IS_AVIVO(rdev)) { - /* in DP mode, the DP ref clock can come from either PPLL - * depending on the asic: - * DCE3: PPLL1 or PPLL2 - */ - if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { - /* use the same PPLL for all DP monitors */ - pll = radeon_get_shared_dp_ppll(crtc); - if (pll != ATOM_PPLL_INVALID) - return pll; - } else { - /* use the same PPLL for all monitors with the same clock */ - pll = radeon_get_shared_nondp_ppll(crtc); - if (pll != ATOM_PPLL_INVALID) - return pll; - } - /* all other cases */ - pll_in_use = radeon_get_pll_use_mask(crtc); + } else if (ASIC_IS_AVIVO(rdev)) { + /* in DP mode, the DP ref clock can come from either PPLL + * depending on the asic: + * DCE3: PPLL1 or PPLL2 + */ + if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { + /* use the same PPLL for all DP monitors */ + pll = radeon_get_shared_dp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } else { + /* use the same PPLL for all monitors with the same clock */ + pll = radeon_get_shared_nondp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } + /* all other cases */ + pll_in_use = radeon_get_pll_use_mask(crtc); + /* the order shouldn't matter here, but we probably + * need this until we have atomic modeset + */ + if (rdev->flags & RADEON_IS_IGP) { if (!(pll_in_use & (1 << ATOM_PPLL1))) return ATOM_PPLL1; if (!(pll_in_use & (1 << ATOM_PPLL2))) return ATOM_PPLL2; - DRM_ERROR("unable to allocate a PPLL\n"); - return ATOM_PPLL_INVALID; } else { - /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */ - return radeon_crtc->crtc_id; + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; + if (!(pll_in_use & (1 << ATOM_PPLL1))) + return ATOM_PPLL1; } + DRM_ERROR("unable to allocate a PPLL\n"); + return ATOM_PPLL_INVALID; + } else { + /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */ + return radeon_crtc->crtc_id; } } diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 14313ad43b7..af31f829f4a 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1372,7 +1372,7 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN); for (i = 0; i < rdev->num_crtc; i++) { - if (save->crtc_enabled) { + if (save->crtc_enabled[i]) { if (ASIC_IS_DCE6(rdev)) { tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]); tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 30271b64191..c042e497e45 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -264,7 +264,7 @@ static int evergreen_surface_check_2d(struct radeon_cs_parser *p, /* macro tile width & height */ palign = (8 * surf->bankw * track->npipes) * surf->mtilea; halign = (8 * surf->bankh * surf->nbanks) / surf->mtilea; - mtileb = (palign / 8) * (halign / 8) * tileb;; + mtileb = (palign / 8) * (halign / 8) * tileb; mtile_pr = surf->nbx / palign; mtile_ps = (mtile_pr * surf->nby) / halign; surf->layer_size = mtile_ps * mtileb * slice_pt; @@ -2725,6 +2725,9 @@ static bool evergreen_vm_reg_valid(u32 reg) /* check config regs */ switch (reg) { case GRBM_GFX_INDEX: + case CP_STRMOUT_CNTL: + case CP_COHER_CNTL: + case CP_COHER_SIZE: case VGT_VTX_VECT_EJECT_REG: case VGT_CACHE_INVALIDATION: case VGT_GS_VERTEX_REUSE: diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index df542f1a5df..2bc0f6a1b42 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -91,6 +91,10 @@ #define FB_READ_EN (1 << 0) #define FB_WRITE_EN (1 << 1) +#define CP_STRMOUT_CNTL 0x84FC + +#define CP_COHER_CNTL 0x85F0 +#define CP_COHER_SIZE 0x85F4 #define CP_COHER_BASE 0x85F8 #define CP_STALLED_STAT1 0x8674 #define CP_STALLED_STAT2 0x8678 diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index 37f6a907aea..15f5ded65e0 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -352,9 +352,9 @@ static int radeon_atpx_switchto(enum vga_switcheroo_client_id id) } /** - * radeon_atpx_switchto - switch to the requested GPU + * radeon_atpx_power_state - power down/up the requested GPU * - * @id: GPU to switch to + * @id: GPU to power down/up * @state: requested power state (0 = off, 1 = on) * * Execute the necessary ATPX function to power down/up the discrete GPU diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 67cfc1795ec..b884c362a8c 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -941,7 +941,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) struct drm_mode_object *obj; int i; enum drm_connector_status ret = connector_status_disconnected; - bool dret = false; + bool dret = false, broken_edid = false; if (!force && radeon_check_hpd_status_unchanged(connector)) return connector->status; @@ -965,6 +965,9 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) ret = connector_status_disconnected; DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector)); radeon_connector->ddc_bus = NULL; + } else { + ret = connector_status_connected; + broken_edid = true; /* defer use_digital to later */ } } else { radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); @@ -1047,13 +1050,24 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) encoder_funcs = encoder->helper_private; if (encoder_funcs->detect) { - if (ret != connector_status_connected) { - ret = encoder_funcs->detect(encoder, connector); - if (ret == connector_status_connected) { - radeon_connector->use_digital = false; + if (!broken_edid) { + if (ret != connector_status_connected) { + /* deal with analog monitors without DDC */ + ret = encoder_funcs->detect(encoder, connector); + if (ret == connector_status_connected) { + radeon_connector->use_digital = false; + } + if (ret != connector_status_disconnected) + radeon_connector->detected_by_load = true; } - if (ret != connector_status_disconnected) - radeon_connector->detected_by_load = true; + } else { + enum drm_connector_status lret; + /* assume digital unless load detected otherwise */ + radeon_connector->use_digital = true; + lret = encoder_funcs->detect(encoder, connector); + DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); + if (lret == connector_status_connected) + radeon_connector->use_digital = false; } break; } diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 5677a424b58..6857cb4efb7 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -295,6 +295,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; struct radeon_device *rdev = dev->dev_private; + uint32_t crtc_ext_cntl = 0; uint32_t mask; if (radeon_crtc->crtc_id) @@ -307,6 +308,16 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS); + /* + * On all dual CRTC GPUs this bit controls the CRTC of the primary DAC. + * Therefore it is set in the DAC DMPS function. + * This is different for GPU's with a single CRTC but a primary and a + * TV DAC: here it controls the single CRTC no matter where it is + * routed. Therefore we set it here. + */ + if (rdev->flags & RADEON_SINGLE_CRTC) + crtc_ext_cntl = RADEON_CRTC_CRT_ON; + switch (mode) { case DRM_MODE_DPMS_ON: radeon_crtc->enabled = true; @@ -317,7 +328,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) else { WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN | RADEON_CRTC_DISP_REQ_EN_B)); - WREG32_P(RADEON_CRTC_EXT_CNTL, 0, ~mask); + WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl)); } drm_vblank_post_modeset(dev, radeon_crtc->crtc_id); radeon_crtc_load_lut(crtc); @@ -331,7 +342,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) else { WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN | RADEON_CRTC_DISP_REQ_EN_B)); - WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask); + WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~(mask | crtc_ext_cntl)); } radeon_crtc->enabled = false; /* adjust pm to dpms changes AFTER disabling crtcs */ diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index 0063df9d166..f5ba2241dac 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -537,7 +537,9 @@ static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode break; } - WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); + /* handled in radeon_crtc_dpms() */ + if (!(rdev->flags & RADEON_SINGLE_CRTC)) + WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); WREG32(RADEON_DAC_CNTL, dac_cntl); WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl); @@ -662,6 +664,8 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc if (ASIC_IS_R300(rdev)) tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT); + else if (ASIC_IS_RV100(rdev)) + tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT); else tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT); @@ -671,6 +675,7 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN; WREG32(RADEON_DAC_CNTL, tmp); + tmp = dac_macro_cntl; tmp &= ~(RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B); @@ -1092,7 +1097,8 @@ static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode) } else { if (is_tv) WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl); - else + /* handled in radeon_crtc_dpms() */ + else if (!(rdev->flags & RADEON_SINGLE_CRTC)) WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); } @@ -1416,13 +1422,104 @@ static bool radeon_legacy_tv_detect(struct drm_encoder *encoder, return found; } +static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder, + struct drm_connector *connector) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl; + uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c; + uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f; + uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp; + uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid; + bool found = false; + int i; + + /* save the regs we need */ + gpio_monid = RREG32(RADEON_GPIO_MONID); + fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); + disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL); + crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); + disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A); + disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B); + disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C); + disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D); + disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E); + disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F); + crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP); + crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP); + crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID); + crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID); + + tmp = RREG32(RADEON_GPIO_MONID); + tmp &= ~RADEON_GPIO_A_0; + WREG32(RADEON_GPIO_MONID, tmp); + + WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON | + RADEON_FP2_PANEL_FORMAT | + R200_FP2_SOURCE_SEL_TRANS_UNIT | + RADEON_FP2_DVO_EN | + R200_FP2_DVO_RATE_SEL_SDR)); + + WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX | + RADEON_DISP_TRANS_MATRIX_GRAPHICS)); + + WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN | + RADEON_CRTC2_DISP_REQ_EN_B)); + + WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0); + + WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008); + WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800); + WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001); + WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080); + + for (i = 0; i < 200; i++) { + tmp = RREG32(RADEON_GPIO_MONID); + if (tmp & RADEON_GPIO_Y_0) + found = true; + + if (found) + break; + + if (!drm_can_sleep()) + mdelay(1); + else + msleep(1); + } + + /* restore the regs we used */ + WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f); + WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp); + WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp); + WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid); + WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid); + WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); + WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); + WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl); + WREG32(RADEON_GPIO_MONID, gpio_monid); + + return found; +} + static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) { struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; - uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl; - uint32_t disp_hw_debug, disp_output_cntl, gpiopad_a, pixclks_cntl, tmp; + uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl; + uint32_t gpiopad_a = 0, pixclks_cntl, tmp; + uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0; enum drm_connector_status found = connector_status_disconnected; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; @@ -1459,12 +1556,27 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder return connector_status_disconnected; } + /* R200 uses an external DAC for secondary DAC */ + if (rdev->family == CHIP_R200) { + if (radeon_legacy_ext_dac_detect(encoder, connector)) + found = connector_status_connected; + return found; + } + /* save the regs we need */ pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL); - gpiopad_a = ASIC_IS_R300(rdev) ? RREG32(RADEON_GPIOPAD_A) : 0; - disp_output_cntl = ASIC_IS_R300(rdev) ? RREG32(RADEON_DISP_OUTPUT_CNTL) : 0; - disp_hw_debug = ASIC_IS_R300(rdev) ? 0 : RREG32(RADEON_DISP_HW_DEBUG); - crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); + + if (rdev->flags & RADEON_SINGLE_CRTC) { + crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL); + } else { + if (ASIC_IS_R300(rdev)) { + gpiopad_a = RREG32(RADEON_GPIOPAD_A); + disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL); + } else { + disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG); + } + crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); + } tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL); dac_cntl2 = RREG32(RADEON_DAC_CNTL2); @@ -1473,22 +1585,24 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder | RADEON_PIX2CLK_DAC_ALWAYS_ONb); WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp); - if (ASIC_IS_R300(rdev)) - WREG32_P(RADEON_GPIOPAD_A, 1, ~1); - - tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK; - tmp |= RADEON_CRTC2_CRT2_ON | - (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT); - - WREG32(RADEON_CRTC2_GEN_CNTL, tmp); - - if (ASIC_IS_R300(rdev)) { - tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK; - tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2; - WREG32(RADEON_DISP_OUTPUT_CNTL, tmp); + if (rdev->flags & RADEON_SINGLE_CRTC) { + tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON; + WREG32(RADEON_CRTC_EXT_CNTL, tmp); } else { - tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL; - WREG32(RADEON_DISP_HW_DEBUG, tmp); + tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK; + tmp |= RADEON_CRTC2_CRT2_ON | + (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT); + WREG32(RADEON_CRTC2_GEN_CNTL, tmp); + + if (ASIC_IS_R300(rdev)) { + WREG32_P(RADEON_GPIOPAD_A, 1, ~1); + tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK; + tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2; + WREG32(RADEON_DISP_OUTPUT_CNTL, tmp); + } else { + tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL; + WREG32(RADEON_DISP_HW_DEBUG, tmp); + } } tmp = RADEON_TV_DAC_NBLANK | @@ -1530,14 +1644,19 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder WREG32(RADEON_DAC_CNTL2, dac_cntl2); WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl); WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); - WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); - if (ASIC_IS_R300(rdev)) { - WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); - WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1); + if (rdev->flags & RADEON_SINGLE_CRTC) { + WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); } else { - WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug); + WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); + if (ASIC_IS_R300(rdev)) { + WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); + WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1); + } else { + WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug); + } } + WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl); return found; diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index b0db712060f..4422d630b33 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2474,6 +2474,7 @@ static bool si_vm_reg_valid(u32 reg) /* check config regs */ switch (reg) { case GRBM_GFX_INDEX: + case CP_STRMOUT_CNTL: case VGT_VTX_VECT_EJECT_REG: case VGT_CACHE_INVALIDATION: case VGT_ESGS_RING_SIZE: diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 7d2a20e5657..a8871afc5b4 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -424,6 +424,7 @@ # define RDERR_INT_ENABLE (1 << 0) # define GUI_IDLE_INT_ENABLE (1 << 19) +#define CP_STRMOUT_CNTL 0x84FC #define SCRATCH_REG0 0x8500 #define SCRATCH_REG1 0x8504 #define SCRATCH_REG2 0x8508 diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index fccd361f7b5..87aa5f5d3c8 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -104,7 +104,7 @@ udl_fb_user_fb_create(struct drm_device *dev, int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr, const char *front, char **urb_buf_ptr, - u32 byte_offset, u32 byte_width, + u32 byte_offset, u32 device_byte_offset, u32 byte_width, int *ident_ptr, int *sent_ptr); int udl_dumb_create(struct drm_file *file_priv, diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 69a2b16f42a..d4ab3beaada 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -114,9 +114,10 @@ static void udlfb_dpy_deferred_io(struct fb_info *info, list_for_each_entry(cur, &fbdefio->pagelist, lru) { if (udl_render_hline(dev, (ufbdev->ufb.base.bits_per_pixel / 8), - &urb, (char *) info->fix.smem_start, - &cmd, cur->index << PAGE_SHIFT, - PAGE_SIZE, &bytes_identical, &bytes_sent)) + &urb, (char *) info->fix.smem_start, + &cmd, cur->index << PAGE_SHIFT, + cur->index << PAGE_SHIFT, + PAGE_SIZE, &bytes_identical, &bytes_sent)) goto error; bytes_rendered += PAGE_SIZE; } @@ -187,10 +188,11 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, for (i = y; i < y + height ; i++) { const int line_offset = fb->base.pitches[0] * i; const int byte_offset = line_offset + (x * bpp); - + const int dev_byte_offset = (fb->base.width * bpp * i) + (x * bpp); if (udl_render_hline(dev, bpp, &urb, (char *) fb->obj->vmapping, - &cmd, byte_offset, width * bpp, + &cmd, byte_offset, dev_byte_offset, + width * bpp, &bytes_identical, &bytes_sent)) goto error; } diff --git a/drivers/gpu/drm/udl/udl_transfer.c b/drivers/gpu/drm/udl/udl_transfer.c index dc095526ffb..142fee5f983 100644 --- a/drivers/gpu/drm/udl/udl_transfer.c +++ b/drivers/gpu/drm/udl/udl_transfer.c @@ -213,11 +213,12 @@ static void udl_compress_hline16( */ int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr, const char *front, char **urb_buf_ptr, - u32 byte_offset, u32 byte_width, + u32 byte_offset, u32 device_byte_offset, + u32 byte_width, int *ident_ptr, int *sent_ptr) { const u8 *line_start, *line_end, *next_pixel; - u32 base16 = 0 + (byte_offset / bpp) * 2; + u32 base16 = 0 + (device_byte_offset / bpp) * 2; struct urb *urb = *urb_ptr; u8 *cmd = *urb_buf_ptr; u8 *cmd_end = (u8 *) urb->transfer_buffer + urb->transfer_buffer_length; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c index 3ce68a2e312..d1498bfd787 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c @@ -306,7 +306,7 @@ void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin) BUG_ON(!atomic_read(&bo->reserved)); BUG_ON(old_mem_type != TTM_PL_VRAM && - old_mem_type != VMW_PL_FLAG_GMR); + old_mem_type != VMW_PL_GMR); pl_flags = TTM_PL_FLAG_VRAM | VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED; if (pin) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index ed3c1e7ddde..2dd185e42f2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1098,6 +1098,11 @@ static void vmw_pm_complete(struct device *kdev) struct drm_device *dev = pci_get_drvdata(pdev); struct vmw_private *dev_priv = vmw_priv(dev); + mutex_lock(&dev_priv->hw_mutex); + vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2); + (void) vmw_read(dev_priv, SVGA_REG_ID); + mutex_unlock(&dev_priv->hw_mutex); + /** * Reclaim 3d reference held by fbdev and potentially * start fifo. diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 06ebdbb6ea0..fd7722aecf7 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -522,6 +522,12 @@ static const struct hid_device_id apple_devices[] = { .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS), .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index bd3971bf31b..f4109fd657f 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1532,6 +1532,9 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, @@ -2139,6 +2142,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 269b50912a4..9d7a42857ea 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -118,6 +118,9 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI 0x0252 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO 0x0253 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS 0x0254 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI 0x0259 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO 0x025a +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS 0x025b #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI 0x0249 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO 0x024a #define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS 0x024b diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 3acdcfcc17d..f676c01bb47 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -28,22 +28,30 @@ #define MS_RDESC 0x08 #define MS_NOGET 0x10 #define MS_DUPLICATE_USAGES 0x20 +#define MS_RDESC_3K 0x40 -/* - * Microsoft Wireless Desktop Receiver (Model 1028) has - * 'Usage Min/Max' where it ought to have 'Physical Min/Max' - */ static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + /* + * Microsoft Wireless Desktop Receiver (Model 1028) has + * 'Usage Min/Max' where it ought to have 'Physical Min/Max' + */ if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 && rdesc[559] == 0x29) { hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n"); rdesc[557] = 0x35; rdesc[559] = 0x45; } + /* the same as above (s/usage/physical/) */ + if ((quirks & MS_RDESC_3K) && *rsize == 106 && + !memcmp((char []){ 0x19, 0x00, 0x29, 0xff }, + &rdesc[94], 4)) { + rdesc[94] = 0x35; + rdesc[96] = 0x45; + } return rdesc; } @@ -192,7 +200,7 @@ static const struct hid_device_id ms_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), .driver_data = MS_PRESENTER }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K), - .driver_data = MS_ERGONOMY }, + .driver_data = MS_ERGONOMY | MS_RDESC_3K }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), .driver_data = MS_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500), diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 3eb02b94fc8..7867d69f0ef 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -210,8 +210,7 @@ static struct mt_class mt_classes[] = { }, { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | - MT_QUIRK_SLOT_IS_CONTACTNUMBER, - .maxcontacts = 10 + MT_QUIRK_SLOT_IS_CONTACTNUMBER }, { .name = MT_CLS_FLATFROG, @@ -421,11 +420,11 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, * contact max are global to the report */ td->last_field_index = field->index; return -1; - } case HID_DG_TOUCH: /* Legacy devices use TIPSWITCH and not TOUCH. * Let's just ignore this field. */ return -1; + } /* let hid-input decide for the others */ return 0; diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 17d15bb610d..7c47fc3f7b2 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -42,7 +42,6 @@ static struct cdev hidraw_cdev; static struct class *hidraw_class; static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES]; static DEFINE_MUTEX(minors_lock); -static void drop_ref(struct hidraw *hid, int exists_bit); static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { @@ -114,7 +113,7 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer, __u8 *buf; int ret = 0; - if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { + if (!hidraw_table[minor]) { ret = -ENODEV; goto out; } @@ -262,7 +261,7 @@ static int hidraw_open(struct inode *inode, struct file *file) } mutex_lock(&minors_lock); - if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { + if (!hidraw_table[minor]) { err = -ENODEV; goto out_unlock; } @@ -299,12 +298,36 @@ out: static int hidraw_release(struct inode * inode, struct file * file) { unsigned int minor = iminor(inode); + struct hidraw *dev; struct hidraw_list *list = file->private_data; + int ret; + int i; + + mutex_lock(&minors_lock); + if (!hidraw_table[minor]) { + ret = -ENODEV; + goto unlock; + } - drop_ref(hidraw_table[minor], 0); list_del(&list->node); + dev = hidraw_table[minor]; + if (!--dev->open) { + if (list->hidraw->exist) { + hid_hw_power(dev->hid, PM_HINT_NORMAL); + hid_hw_close(dev->hid); + } else { + kfree(list->hidraw); + } + } + + for (i = 0; i < HIDRAW_BUFFER_SIZE; ++i) + kfree(list->buffer[i].value); kfree(list); - return 0; + ret = 0; +unlock: + mutex_unlock(&minors_lock); + + return ret; } static long hidraw_ioctl(struct file *file, unsigned int cmd, @@ -506,7 +529,21 @@ EXPORT_SYMBOL_GPL(hidraw_connect); void hidraw_disconnect(struct hid_device *hid) { struct hidraw *hidraw = hid->hidraw; - drop_ref(hidraw, 1); + + mutex_lock(&minors_lock); + hidraw->exist = 0; + + device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); + + hidraw_table[hidraw->minor] = NULL; + + if (hidraw->open) { + hid_hw_close(hid); + wake_up_interruptible(&hidraw->wait); + } else { + kfree(hidraw); + } + mutex_unlock(&minors_lock); } EXPORT_SYMBOL_GPL(hidraw_disconnect); @@ -555,23 +592,3 @@ void hidraw_exit(void) unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES); } - -static void drop_ref(struct hidraw *hidraw, int exists_bit) -{ - mutex_lock(&minors_lock); - if (exists_bit) { - hid_hw_close(hidraw->hid); - hidraw->exist = 0; - if (hidraw->open) - wake_up_interruptible(&hidraw->wait); - } else { - --hidraw->open; - } - - if (!hidraw->open && !hidraw->exist) { - device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); - hidraw_table[hidraw->minor] = NULL; - kfree(hidraw); - } - mutex_unlock(&minors_lock); -} diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c index a227be47149..520e5bf4f76 100644 --- a/drivers/hwmon/asb100.c +++ b/drivers/hwmon/asb100.c @@ -32,7 +32,7 @@ * ASB100-A supports pwm1, while plain ASB100 does not. There is no known * way for the driver to tell which one is there. * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * asb100 7 3 1 4 0x31 0x0694 yes no */ diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c index 68ad7d25551..4f411040738 100644 --- a/drivers/hwmon/fam15h_power.c +++ b/drivers/hwmon/fam15h_power.c @@ -2,7 +2,7 @@ * fam15h_power.c - AMD Family 15h processor power monitoring * * Copyright (c) 2011 Advanced Micro Devices, Inc. - * Author: Andreas Herrmann <andreas.herrmann3@amd.com> + * Author: Andreas Herrmann <herrmann.der.user@googlemail.com> * * * This driver is free software; you can redistribute it and/or @@ -28,7 +28,7 @@ #include <asm/processor.h> MODULE_DESCRIPTION("AMD Family 15h CPU processor power monitor"); -MODULE_AUTHOR("Andreas Herrmann <andreas.herrmann3@amd.com>"); +MODULE_AUTHOR("Andreas Herrmann <herrmann.der.user@googlemail.com>"); MODULE_LICENSE("GPL"); /* D18F3 */ diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index 36509ae3208..1381a2e3bbd 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -630,7 +630,9 @@ static struct platform_driver gpio_fan_driver = { .driver = { .name = "gpio-fan", .pm = GPIO_FAN_PM, +#ifdef CONFIG_OF_GPIO .of_match_table = of_match_ptr(of_gpio_fan_match), +#endif }, }; diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 1821b7423d5..de3c7e04c3b 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -2083,6 +2083,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) mutex_init(&data->lock); mutex_init(&data->update_lock); data->name = w83627ehf_device_names[sio_data->kind]; + data->bank = 0xff; /* Force initial bank selection */ platform_set_drvdata(pdev, data); /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */ diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index 5b1a6a66644..af158990870 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -25,7 +25,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index 5a5046d94c3..20f11d31da4 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -24,7 +24,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * as99127f 7 3 0 3 0x31 0x12c3 yes no * as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no * w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index 39ab7bcc616..ed397c64519 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -22,7 +22,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * w83791d 10 5 5 3 0x71 0x5ca3 yes no * * The w83791d chip appears to be part way between the 83781d and the diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 053645279f3..301942d0845 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -31,7 +31,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * w83792d 9 7 7 3 0x7a 0x5ca3 yes no */ diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c index f0e8286c3c7..79710bcac2f 100644 --- a/drivers/hwmon/w83l786ng.c +++ b/drivers/hwmon/w83l786ng.c @@ -20,7 +20,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * w83l786ng 3 2 2 2 0x7b 0x5ca3 yes no */ diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index beee6b2d361..1722f50f247 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_I2C_SMBUS) += i2c-smbus.o obj-$(CONFIG_I2C_CHARDEV) += i2c-dev.o obj-$(CONFIG_I2C_MUX) += i2c-mux.o obj-y += algos/ busses/ muxes/ +obj-$(CONFIG_I2C_STUB) += i2c-stub.o ccflags-$(CONFIG_I2C_DEBUG_CORE) := -DDEBUG CFLAGS_i2c-core.o := -Wno-deprecated-declarations diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 65dd599a026..e9df4612b7e 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -81,7 +81,6 @@ config I2C_I801 tristate "Intel 82801 (ICH/PCH)" depends on PCI select CHECK_SIGNATURE if X86 && DMI - select GPIOLIB if I2C_MUX help If you say yes to this option, support will be included for the Intel 801 family of mainboard I2C interfaces. Specifically, the following diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index 2d33d62952c..395b516ffa0 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -85,7 +85,6 @@ obj-$(CONFIG_I2C_ACORN) += i2c-acorn.o obj-$(CONFIG_I2C_ELEKTOR) += i2c-elektor.o obj-$(CONFIG_I2C_PCA_ISA) += i2c-pca-isa.o obj-$(CONFIG_I2C_SIBYTE) += i2c-sibyte.o -obj-$(CONFIG_I2C_STUB) += i2c-stub.o obj-$(CONFIG_SCx200_ACB) += scx200_acb.o obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 37793156bd9..6abc00d5988 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -82,7 +82,8 @@ #include <linux/wait.h> #include <linux/err.h> -#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE +#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \ + defined CONFIG_DMI #include <linux/gpio.h> #include <linux/i2c-mux-gpio.h> #include <linux/platform_device.h> @@ -192,7 +193,8 @@ struct i801_priv { int len; u8 *data; -#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE +#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \ + defined CONFIG_DMI const struct i801_mux_config *mux_drvdata; struct platform_device *mux_pdev; #endif @@ -921,7 +923,8 @@ static void __init input_apanel_init(void) {} static void __devinit i801_probe_optional_slaves(struct i801_priv *priv) {} #endif /* CONFIG_X86 && CONFIG_DMI */ -#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE +#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \ + defined CONFIG_DMI static struct i801_mux_config i801_mux_config_asus_z8_d12 = { .gpio_chip = "gpio_ich", .values = { 0x02, 0x03 }, @@ -1059,7 +1062,7 @@ static unsigned int __devinit i801_get_adapter_class(struct i801_priv *priv) id = dmi_first_match(mux_dmi_table); if (id) { - /* Remove from branch classes from trunk */ + /* Remove branch classes from trunk */ mux_config = id->driver_data; for (i = 0; i < mux_config->n_values; i++) class &= ~mux_config->classes[i]; diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 2ef162d148c..b9734747d61 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -52,8 +52,6 @@ #include <linux/of_device.h> #include <linux/of_i2c.h> #include <linux/pinctrl/consumer.h> - -#include <mach/hardware.h> #include <linux/platform_data/i2c-imx.h> /** Defines ******************************************************************** @@ -115,6 +113,11 @@ static u16 __initdata i2c_clk_div[50][2] = { { 3072, 0x1E }, { 3840, 0x1F } }; +enum imx_i2c_type { + IMX1_I2C, + IMX21_I2C, +}; + struct imx_i2c_struct { struct i2c_adapter adapter; struct clk *clk; @@ -124,13 +127,33 @@ struct imx_i2c_struct { unsigned int disable_delay; int stopped; unsigned int ifdr; /* IMX_I2C_IFDR */ + enum imx_i2c_type devtype; +}; + +static struct platform_device_id imx_i2c_devtype[] = { + { + .name = "imx1-i2c", + .driver_data = IMX1_I2C, + }, { + .name = "imx21-i2c", + .driver_data = IMX21_I2C, + }, { + /* sentinel */ + } }; +MODULE_DEVICE_TABLE(platform, imx_i2c_devtype); static const struct of_device_id i2c_imx_dt_ids[] = { - { .compatible = "fsl,imx1-i2c", }, + { .compatible = "fsl,imx1-i2c", .data = &imx_i2c_devtype[IMX1_I2C], }, + { .compatible = "fsl,imx21-i2c", .data = &imx_i2c_devtype[IMX21_I2C], }, { /* sentinel */ } }; +static inline int is_imx1_i2c(struct imx_i2c_struct *i2c_imx) +{ + return i2c_imx->devtype == IMX1_I2C; +} + /** Functions for IMX I2C adapter driver *************************************** *******************************************************************************/ @@ -223,7 +246,7 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx) temp &= ~(I2CR_MSTA | I2CR_MTX); writeb(temp, i2c_imx->base + IMX_I2C_I2CR); } - if (cpu_is_mx1()) { + if (is_imx1_i2c(i2c_imx)) { /* * This delay caused by an i.MXL hardware bug. * If no (or too short) delay, no "STOP" bit will be generated. @@ -465,6 +488,8 @@ static struct i2c_algorithm i2c_imx_algo = { static int __init i2c_imx_probe(struct platform_device *pdev) { + const struct of_device_id *of_id = of_match_device(i2c_imx_dt_ids, + &pdev->dev); struct imx_i2c_struct *i2c_imx; struct resource *res; struct imxi2c_platform_data *pdata = pdev->dev.platform_data; @@ -497,6 +522,10 @@ static int __init i2c_imx_probe(struct platform_device *pdev) return -ENOMEM; } + if (of_id) + pdev->id_entry = of_id->data; + i2c_imx->devtype = pdev->id_entry->driver_data; + /* Setup i2c_imx driver structure */ strlcpy(i2c_imx->adapter.name, pdev->name, sizeof(i2c_imx->adapter.name)); i2c_imx->adapter.owner = THIS_MODULE; @@ -593,7 +622,8 @@ static struct platform_driver i2c_imx_driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, .of_match_table = i2c_imx_dt_ids, - } + }, + .id_table = imx_i2c_devtype, }; static int __init i2c_adap_imx_init(void) diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 1f58197062c..286ca191782 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -1,7 +1,7 @@ /* * Freescale MXS I2C bus driver * - * Copyright (C) 2011 Wolfram Sang, Pengutronix e.K. + * Copyright (C) 2011-2012 Wolfram Sang, Pengutronix e.K. * * based on a (non-working) driver which was: * @@ -35,10 +35,6 @@ #define DRIVER_NAME "mxs-i2c" -static bool use_pioqueue; -module_param(use_pioqueue, bool, 0); -MODULE_PARM_DESC(use_pioqueue, "Use PIOQUEUE mode for transfer instead of DMA"); - #define MXS_I2C_CTRL0 (0x00) #define MXS_I2C_CTRL0_SET (0x04) @@ -75,23 +71,6 @@ MODULE_PARM_DESC(use_pioqueue, "Use PIOQUEUE mode for transfer instead of DMA"); MXS_I2C_CTRL1_SLAVE_STOP_IRQ | \ MXS_I2C_CTRL1_SLAVE_IRQ) -#define MXS_I2C_QUEUECTRL (0x60) -#define MXS_I2C_QUEUECTRL_SET (0x64) -#define MXS_I2C_QUEUECTRL_CLR (0x68) - -#define MXS_I2C_QUEUECTRL_QUEUE_RUN 0x20 -#define MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE 0x04 - -#define MXS_I2C_QUEUESTAT (0x70) -#define MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY 0x00002000 -#define MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK 0x0000001F - -#define MXS_I2C_QUEUECMD (0x80) - -#define MXS_I2C_QUEUEDATA (0x90) - -#define MXS_I2C_DATA (0xa0) - #define MXS_CMD_I2C_SELECT (MXS_I2C_CTRL0_RETAIN_CLOCK | \ MXS_I2C_CTRL0_PRE_SEND_START | \ @@ -153,7 +132,6 @@ struct mxs_i2c_dev { const struct mxs_i2c_speed_config *speed; /* DMA support components */ - bool dma_mode; int dma_channel; struct dma_chan *dmach; struct mxs_dma_data dma_data; @@ -172,99 +150,6 @@ static void mxs_i2c_reset(struct mxs_i2c_dev *i2c) writel(i2c->speed->timing2, i2c->regs + MXS_I2C_TIMING2); writel(MXS_I2C_IRQ_MASK << 8, i2c->regs + MXS_I2C_CTRL1_SET); - if (i2c->dma_mode) - writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE, - i2c->regs + MXS_I2C_QUEUECTRL_CLR); - else - writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE, - i2c->regs + MXS_I2C_QUEUECTRL_SET); -} - -static void mxs_i2c_pioq_setup_read(struct mxs_i2c_dev *i2c, u8 addr, int len, - int flags) -{ - u32 data; - - writel(MXS_CMD_I2C_SELECT, i2c->regs + MXS_I2C_QUEUECMD); - - data = (addr << 1) | I2C_SMBUS_READ; - writel(data, i2c->regs + MXS_I2C_DATA); - - data = MXS_CMD_I2C_READ | MXS_I2C_CTRL0_XFER_COUNT(len) | flags; - writel(data, i2c->regs + MXS_I2C_QUEUECMD); -} - -static void mxs_i2c_pioq_setup_write(struct mxs_i2c_dev *i2c, - u8 addr, u8 *buf, int len, int flags) -{ - u32 data; - int i, shifts_left; - - data = MXS_CMD_I2C_WRITE | MXS_I2C_CTRL0_XFER_COUNT(len + 1) | flags; - writel(data, i2c->regs + MXS_I2C_QUEUECMD); - - /* - * We have to copy the slave address (u8) and buffer (arbitrary number - * of u8) into the data register (u32). To achieve that, the u8 are put - * into the MSBs of 'data' which is then shifted for the next u8. When - * appropriate, 'data' is written to MXS_I2C_DATA. So, the first u32 - * looks like this: - * - * 3 2 1 0 - * 10987654|32109876|54321098|76543210 - * --------+--------+--------+-------- - * buffer+2|buffer+1|buffer+0|slave_addr - */ - - data = ((addr << 1) | I2C_SMBUS_WRITE) << 24; - - for (i = 0; i < len; i++) { - data >>= 8; - data |= buf[i] << 24; - if ((i & 3) == 2) - writel(data, i2c->regs + MXS_I2C_DATA); - } - - /* Write out the remaining bytes if any */ - shifts_left = 24 - (i & 3) * 8; - if (shifts_left) - writel(data >> shifts_left, i2c->regs + MXS_I2C_DATA); -} - -/* - * TODO: should be replaceable with a waitqueue and RD_QUEUE_IRQ (setting the - * rd_threshold to 1). Couldn't get this to work, though. - */ -static int mxs_i2c_wait_for_data(struct mxs_i2c_dev *i2c) -{ - unsigned long timeout = jiffies + msecs_to_jiffies(1000); - - while (readl(i2c->regs + MXS_I2C_QUEUESTAT) - & MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY) { - if (time_after(jiffies, timeout)) - return -ETIMEDOUT; - cond_resched(); - } - - return 0; -} - -static int mxs_i2c_finish_read(struct mxs_i2c_dev *i2c, u8 *buf, int len) -{ - u32 uninitialized_var(data); - int i; - - for (i = 0; i < len; i++) { - if ((i & 3) == 0) { - if (mxs_i2c_wait_for_data(i2c)) - return -ETIMEDOUT; - data = readl(i2c->regs + MXS_I2C_QUEUEDATA); - } - buf[i] = data & 0xff; - data >>= 8; - } - - return 0; } static void mxs_i2c_dma_finish(struct mxs_i2c_dev *i2c) @@ -432,39 +317,17 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, init_completion(&i2c->cmd_complete); i2c->cmd_err = 0; - if (i2c->dma_mode) { - ret = mxs_i2c_dma_setup_xfer(adap, msg, flags); - if (ret) - return ret; - } else { - if (msg->flags & I2C_M_RD) { - mxs_i2c_pioq_setup_read(i2c, msg->addr, - msg->len, flags); - } else { - mxs_i2c_pioq_setup_write(i2c, msg->addr, msg->buf, - msg->len, flags); - } - - writel(MXS_I2C_QUEUECTRL_QUEUE_RUN, - i2c->regs + MXS_I2C_QUEUECTRL_SET); - } + ret = mxs_i2c_dma_setup_xfer(adap, msg, flags); + if (ret) + return ret; ret = wait_for_completion_timeout(&i2c->cmd_complete, msecs_to_jiffies(1000)); if (ret == 0) goto timeout; - if (!i2c->dma_mode && !i2c->cmd_err && (msg->flags & I2C_M_RD)) { - ret = mxs_i2c_finish_read(i2c, msg->buf, msg->len); - if (ret) - goto timeout; - } - if (i2c->cmd_err == -ENXIO) mxs_i2c_reset(i2c); - else - writel(MXS_I2C_QUEUECTRL_QUEUE_RUN, - i2c->regs + MXS_I2C_QUEUECTRL_CLR); dev_dbg(i2c->dev, "Done with err=%d\n", i2c->cmd_err); @@ -472,8 +335,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, timeout: dev_dbg(i2c->dev, "Timeout!\n"); - if (i2c->dma_mode) - mxs_i2c_dma_finish(i2c); + mxs_i2c_dma_finish(i2c); mxs_i2c_reset(i2c); return -ETIMEDOUT; } @@ -502,7 +364,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id) { struct mxs_i2c_dev *i2c = dev_id; u32 stat = readl(i2c->regs + MXS_I2C_CTRL1) & MXS_I2C_IRQ_MASK; - bool is_last_cmd; if (!stat) return IRQ_NONE; @@ -515,14 +376,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id) /* MXS_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ is only for slaves */ i2c->cmd_err = -EIO; - if (!i2c->dma_mode) { - is_last_cmd = (readl(i2c->regs + MXS_I2C_QUEUESTAT) & - MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK) == 0; - - if (is_last_cmd || i2c->cmd_err) - complete(&i2c->cmd_complete); - } - writel(stat, i2c->regs + MXS_I2C_CTRL1_CLR); return IRQ_HANDLED; @@ -556,23 +409,14 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c) int ret; /* - * The MXS I2C DMA mode is prefered and enabled by default. - * The PIO mode is still supported, but should be used only - * for debuging purposes etc. - */ - i2c->dma_mode = !use_pioqueue; - if (!i2c->dma_mode) - dev_info(dev, "Using PIOQUEUE mode for I2C transfers!\n"); - - /* * TODO: This is a temporary solution and should be changed * to use generic DMA binding later when the helpers get in. */ ret = of_property_read_u32(node, "fsl,i2c-dma-channel", &i2c->dma_channel); if (ret) { - dev_warn(dev, "Failed to get DMA channel, using PIOQUEUE!\n"); - i2c->dma_mode = 0; + dev_err(dev, "Failed to get DMA channel!\n"); + return -ENODEV; } ret = of_property_read_u32(node, "clock-frequency", &speed); @@ -634,15 +478,13 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev) } /* Setup the DMA */ - if (i2c->dma_mode) { - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - i2c->dma_data.chan_irq = dmairq; - i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c); - if (!i2c->dmach) { - dev_err(dev, "Failed to request dma\n"); - return -ENODEV; - } + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + i2c->dma_data.chan_irq = dmairq; + i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c); + if (!i2c->dmach) { + dev_err(dev, "Failed to request dma\n"); + return -ENODEV; } platform_set_drvdata(pdev, i2c); diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index 698d7acb0f0..02c3115a2df 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -644,7 +644,11 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap, pm_runtime_get_sync(&dev->adev->dev); - clk_enable(dev->clk); + status = clk_prepare_enable(dev->clk); + if (status) { + dev_err(&dev->adev->dev, "can't prepare_enable clock\n"); + goto out_clk; + } status = init_hw(dev); if (status) @@ -671,7 +675,8 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap, } out: - clk_disable(dev->clk); + clk_disable_unprepare(dev->clk); +out_clk: pm_runtime_put_sync(&dev->adev->dev); dev->busy = false; diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index f981ac4e678..dcea77bf6f5 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -742,7 +742,7 @@ static int __devinit tegra_i2c_probe(struct platform_device *pdev) } ret = devm_request_irq(&pdev->dev, i2c_dev->irq, - tegra_i2c_isr, 0, pdev->name, i2c_dev); + tegra_i2c_isr, 0, dev_name(&pdev->dev), i2c_dev); if (ret) { dev_err(&pdev->dev, "Failed to request irq %i\n", i2c_dev->irq); return ret; diff --git a/drivers/i2c/busses/i2c-stub.c b/drivers/i2c/i2c-stub.c index b1b3447942c..d0a9c590c3c 100644 --- a/drivers/i2c/busses/i2c-stub.c +++ b/drivers/i2c/i2c-stub.c @@ -2,7 +2,7 @@ i2c-stub.c - I2C/SMBus chip emulator Copyright (c) 2004 Mark M. Hoffman <mhoffman@lightlink.com> - Copyright (C) 2007 Jean Delvare <khali@linux-fr.org> + Copyright (C) 2007, 2012 Jean Delvare <khali@linux-fr.org> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -51,8 +51,8 @@ struct stub_chip { static struct stub_chip *stub_chips; /* Return negative errno on error. */ -static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, - char read_write, u8 command, int size, union i2c_smbus_data * data) +static s32 stub_xfer(struct i2c_adapter *adap, u16 addr, unsigned short flags, + char read_write, u8 command, int size, union i2c_smbus_data *data) { s32 ret; int i, len; @@ -78,14 +78,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, case I2C_SMBUS_BYTE: if (read_write == I2C_SMBUS_WRITE) { chip->pointer = command; - dev_dbg(&adap->dev, "smbus byte - addr 0x%02x, " - "wrote 0x%02x.\n", - addr, command); + dev_dbg(&adap->dev, + "smbus byte - addr 0x%02x, wrote 0x%02x.\n", + addr, command); } else { data->byte = chip->words[chip->pointer++] & 0xff; - dev_dbg(&adap->dev, "smbus byte - addr 0x%02x, " - "read 0x%02x.\n", - addr, data->byte); + dev_dbg(&adap->dev, + "smbus byte - addr 0x%02x, read 0x%02x.\n", + addr, data->byte); } ret = 0; @@ -95,14 +95,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, if (read_write == I2C_SMBUS_WRITE) { chip->words[command] &= 0xff00; chip->words[command] |= data->byte; - dev_dbg(&adap->dev, "smbus byte data - addr 0x%02x, " - "wrote 0x%02x at 0x%02x.\n", - addr, data->byte, command); + dev_dbg(&adap->dev, + "smbus byte data - addr 0x%02x, wrote 0x%02x at 0x%02x.\n", + addr, data->byte, command); } else { data->byte = chip->words[command] & 0xff; - dev_dbg(&adap->dev, "smbus byte data - addr 0x%02x, " - "read 0x%02x at 0x%02x.\n", - addr, data->byte, command); + dev_dbg(&adap->dev, + "smbus byte data - addr 0x%02x, read 0x%02x at 0x%02x.\n", + addr, data->byte, command); } chip->pointer = command + 1; @@ -112,14 +112,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, case I2C_SMBUS_WORD_DATA: if (read_write == I2C_SMBUS_WRITE) { chip->words[command] = data->word; - dev_dbg(&adap->dev, "smbus word data - addr 0x%02x, " - "wrote 0x%04x at 0x%02x.\n", - addr, data->word, command); + dev_dbg(&adap->dev, + "smbus word data - addr 0x%02x, wrote 0x%04x at 0x%02x.\n", + addr, data->word, command); } else { data->word = chip->words[command]; - dev_dbg(&adap->dev, "smbus word data - addr 0x%02x, " - "read 0x%04x at 0x%02x.\n", - addr, data->word, command); + dev_dbg(&adap->dev, + "smbus word data - addr 0x%02x, read 0x%04x at 0x%02x.\n", + addr, data->word, command); } ret = 0; @@ -132,17 +132,17 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, chip->words[command + i] &= 0xff00; chip->words[command + i] |= data->block[1 + i]; } - dev_dbg(&adap->dev, "i2c block data - addr 0x%02x, " - "wrote %d bytes at 0x%02x.\n", - addr, len, command); + dev_dbg(&adap->dev, + "i2c block data - addr 0x%02x, wrote %d bytes at 0x%02x.\n", + addr, len, command); } else { for (i = 0; i < len; i++) { data->block[1 + i] = chip->words[command + i] & 0xff; } - dev_dbg(&adap->dev, "i2c block data - addr 0x%02x, " - "read %d bytes at 0x%02x.\n", - addr, len, command); + dev_dbg(&adap->dev, + "i2c block data - addr 0x%02x, read %d bytes at 0x%02x.\n", + addr, len, command); } ret = 0; @@ -179,25 +179,24 @@ static int __init i2c_stub_init(void) int i, ret; if (!chip_addr[0]) { - printk(KERN_ERR "i2c-stub: Please specify a chip address\n"); + pr_err("i2c-stub: Please specify a chip address\n"); return -ENODEV; } for (i = 0; i < MAX_CHIPS && chip_addr[i]; i++) { if (chip_addr[i] < 0x03 || chip_addr[i] > 0x77) { - printk(KERN_ERR "i2c-stub: Invalid chip address " - "0x%02x\n", chip_addr[i]); + pr_err("i2c-stub: Invalid chip address 0x%02x\n", + chip_addr[i]); return -EINVAL; } - printk(KERN_INFO "i2c-stub: Virtual chip at 0x%02x\n", - chip_addr[i]); + pr_info("i2c-stub: Virtual chip at 0x%02x\n", chip_addr[i]); } /* Allocate memory for all chips at once */ stub_chips = kzalloc(i * sizeof(struct stub_chip), GFP_KERNEL); if (!stub_chips) { - printk(KERN_ERR "i2c-stub: Out of memory\n"); + pr_err("i2c-stub: Out of memory\n"); return -ENOMEM; } @@ -219,4 +218,3 @@ MODULE_LICENSE("GPL"); module_init(i2c_stub_init); module_exit(i2c_stub_exit); - diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index b4b65af8612..de0874054e9 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -335,6 +335,7 @@ config KEYBOARD_LOCOMO config KEYBOARD_LPC32XX tristate "LPC32XX matrix key scanner support" depends on ARCH_LPC32XX && OF + select INPUT_MATRIXKMAP help Say Y here if you want to use NXP LPC32XX SoC key scanner interface, connected to a key matrix. diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c index 803ff6fe021..cad9d5dd597 100644 --- a/drivers/input/keyboard/pxa27x_keypad.c +++ b/drivers/input/keyboard/pxa27x_keypad.c @@ -368,6 +368,9 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad) unsigned int mask = 0, direct_key_num = 0; unsigned long kpc = 0; + /* clear pending interrupt bit */ + keypad_readl(KPC); + /* enable matrix keys with automatic scan */ if (pdata->matrix_key_rows && pdata->matrix_key_cols) { kpc |= KPC_ASACT | KPC_MIE | KPC_ME | KPC_MS_ALL; diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c index 02ca8680ea5..6f7d9901303 100644 --- a/drivers/input/misc/xen-kbdfront.c +++ b/drivers/input/misc/xen-kbdfront.c @@ -311,7 +311,6 @@ static void xenkbd_backend_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateInitWait: @@ -350,6 +349,10 @@ InitWait: break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index 3a78f235fa3..2baff1b79a5 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -84,6 +84,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI 0x0262 #define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO 0x0263 #define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS 0x0264 +/* MacbookPro10,2 (unibody, October 2012) */ +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI 0x0259 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO 0x025a +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS 0x025b #define BCM5974_DEVICE(prod) { \ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \ @@ -137,6 +141,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_JIS), + /* MacbookPro10,2 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS), /* Terminating entry */ {} }; @@ -379,6 +387,19 @@ static const struct bcm5974_config bcm5974_config_table[] = { { SN_COORD, -150, 6730 }, { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4750, 5280 }, + { SN_COORD, -150, 6730 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } + }, {} }; diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 2c1e12bf2ab..858ad446de9 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -391,7 +391,7 @@ static int wacom_parse_hid(struct usb_interface *intf, features->pktlen = WACOM_PKGLEN_TPC2FG; } - if (features->type == MTSCREEN || WACOM_24HDT) + if (features->type == MTSCREEN || features->type == WACOM_24HDT) features->pktlen = WACOM_PKGLEN_MTOUCH; if (features->type == BAMBOO_PT) { diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index aa601013117..0a67031ffc1 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -1518,6 +1518,9 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0); input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0); + + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + wacom_setup_cintiq(wacom_wac); break; diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 1ba232cbc09..f7668b24c37 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -239,7 +239,7 @@ config TOUCHSCREEN_EETI config TOUCHSCREEN_EGALAX tristate "EETI eGalax multi-touch panel support" - depends on I2C + depends on I2C && OF help Say Y here to enable support for I2C connected EETI eGalax multi-touch panels. diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c index c1e3460f119..13fa62fdfb0 100644 --- a/drivers/input/touchscreen/egalax_ts.c +++ b/drivers/input/touchscreen/egalax_ts.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/bitops.h> #include <linux/input/mt.h> +#include <linux/of_gpio.h> /* * Mouse Mode: some panel may configure the controller to mouse mode, @@ -122,9 +123,17 @@ static irqreturn_t egalax_ts_interrupt(int irq, void *dev_id) /* wake up controller by an falling edge of interrupt gpio. */ static int egalax_wake_up_device(struct i2c_client *client) { - int gpio = irq_to_gpio(client->irq); + struct device_node *np = client->dev.of_node; + int gpio; int ret; + if (!np) + return -ENODEV; + + gpio = of_get_named_gpio(np, "wakeup-gpios", 0); + if (!gpio_is_valid(gpio)) + return -ENODEV; + ret = gpio_request(gpio, "egalax_irq"); if (ret < 0) { dev_err(&client->dev, @@ -181,7 +190,11 @@ static int __devinit egalax_ts_probe(struct i2c_client *client, ts->input_dev = input_dev; /* controller may be in sleep, wake it up. */ - egalax_wake_up_device(client); + error = egalax_wake_up_device(client); + if (error) { + dev_err(&client->dev, "Failed to wake up the controller\n"); + goto err_free_dev; + } ret = egalax_firmware_version(client); if (ret < 0) { @@ -274,11 +287,17 @@ static int egalax_ts_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(egalax_ts_pm_ops, egalax_ts_suspend, egalax_ts_resume); +static struct of_device_id egalax_ts_dt_ids[] = { + { .compatible = "eeti,egalax_ts" }, + { /* sentinel */ } +}; + static struct i2c_driver egalax_ts_driver = { .driver = { .name = "egalax_ts", .owner = THIS_MODULE, .pm = &egalax_ts_pm_ops, + .of_match_table = of_match_ptr(egalax_ts_dt_ids), }, .id_table = egalax_ts_id, .probe = egalax_ts_probe, diff --git a/drivers/input/touchscreen/tsc40.c b/drivers/input/touchscreen/tsc40.c index 63209aaa55f..eb96f168fb9 100644 --- a/drivers/input/touchscreen/tsc40.c +++ b/drivers/input/touchscreen/tsc40.c @@ -107,7 +107,6 @@ static int tsc_connect(struct serio *serio, struct serio_driver *drv) __set_bit(BTN_TOUCH, input_dev->keybit); input_set_abs_params(ptsc->dev, ABS_X, 0, 0x3ff, 0, 0); input_set_abs_params(ptsc->dev, ABS_Y, 0, 0x3ff, 0, 0); - input_set_abs_params(ptsc->dev, ABS_PRESSURE, 0, 0, 0, 0); serio_set_drvdata(serio, ptsc); diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index a649f146d17..41678639b7e 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -34,13 +34,11 @@ #include <linux/of_iommu.h> #include <linux/debugfs.h> #include <linux/seq_file.h> +#include <linux/tegra-ahb.h> #include <asm/page.h> #include <asm/cacheflush.h> -#include <mach/iomap.h> -#include <mach/tegra-ahb.h> - enum smmu_hwgrp { HWGRP_AFI, HWGRP_AVPC, diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 1bb8bf6d7fd..62ca575701d 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -1 +1,8 @@ -# empty +config VERSATILE_FPGA_IRQ + bool + select IRQ_DOMAIN + +config VERSATILE_FPGA_IRQ_NR + int + default 4 + depends on VERSATILE_FPGA_IRQ diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 054321db435..02bd37a6187 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -1 +1,3 @@ obj-$(CONFIG_ARCH_BCM2835) += irq-bcm2835.o +obj-$(CONFIG_ARCH_SUNXI) += irq-sunxi.o +obj-$(CONFIG_VERSATILE_FPGA_IRQ) += irq-versatile-fpga.o diff --git a/drivers/irqchip/irq-sunxi.c b/drivers/irqchip/irq-sunxi.c new file mode 100644 index 00000000000..eef41a49aca --- /dev/null +++ b/drivers/irqchip/irq-sunxi.c @@ -0,0 +1,150 @@ +/* + * Allwinner A1X SoCs IRQ chip driver. + * + * Copyright (C) 2012 Maxime Ripard + * + * Maxime Ripard <maxime.ripard@free-electrons.com> + * + * Based on code from + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Benn Huang <benn@allwinnertech.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> + +#include <linux/irqchip/sunxi.h> + +#define SUNXI_IRQ_VECTOR_REG 0x00 +#define SUNXI_IRQ_PROTECTION_REG 0x08 +#define SUNXI_IRQ_NMI_CTRL_REG 0x0c +#define SUNXI_IRQ_PENDING_REG(x) (0x10 + 0x4 * x) +#define SUNXI_IRQ_FIQ_PENDING_REG(x) (0x20 + 0x4 * x) +#define SUNXI_IRQ_ENABLE_REG(x) (0x40 + 0x4 * x) +#define SUNXI_IRQ_MASK_REG(x) (0x50 + 0x4 * x) + +static void __iomem *sunxi_irq_base; +static struct irq_domain *sunxi_irq_domain; + +void sunxi_irq_ack(struct irq_data *irqd) +{ + unsigned int irq = irqd_to_hwirq(irqd); + unsigned int irq_off = irq % 32; + int reg = irq / 32; + u32 val; + + val = readl(sunxi_irq_base + SUNXI_IRQ_PENDING_REG(reg)); + writel(val | (1 << irq_off), + sunxi_irq_base + SUNXI_IRQ_PENDING_REG(reg)); +} + +static void sunxi_irq_mask(struct irq_data *irqd) +{ + unsigned int irq = irqd_to_hwirq(irqd); + unsigned int irq_off = irq % 32; + int reg = irq / 32; + u32 val; + + val = readl(sunxi_irq_base + SUNXI_IRQ_ENABLE_REG(reg)); + writel(val & ~(1 << irq_off), + sunxi_irq_base + SUNXI_IRQ_ENABLE_REG(reg)); +} + +static void sunxi_irq_unmask(struct irq_data *irqd) +{ + unsigned int irq = irqd_to_hwirq(irqd); + unsigned int irq_off = irq % 32; + int reg = irq / 32; + u32 val; + + val = readl(sunxi_irq_base + SUNXI_IRQ_ENABLE_REG(reg)); + writel(val | (1 << irq_off), + sunxi_irq_base + SUNXI_IRQ_ENABLE_REG(reg)); +} + +static struct irq_chip sunxi_irq_chip = { + .name = "sunxi_irq", + .irq_ack = sunxi_irq_ack, + .irq_mask = sunxi_irq_mask, + .irq_unmask = sunxi_irq_unmask, +}; + +static int sunxi_irq_map(struct irq_domain *d, unsigned int virq, + irq_hw_number_t hw) +{ + irq_set_chip_and_handler(virq, &sunxi_irq_chip, + handle_level_irq); + set_irq_flags(virq, IRQF_VALID | IRQF_PROBE); + + return 0; +} + +static struct irq_domain_ops sunxi_irq_ops = { + .map = sunxi_irq_map, + .xlate = irq_domain_xlate_onecell, +}; + +static int __init sunxi_of_init(struct device_node *node, + struct device_node *parent) +{ + sunxi_irq_base = of_iomap(node, 0); + if (!sunxi_irq_base) + panic("%s: unable to map IC registers\n", + node->full_name); + + /* Disable all interrupts */ + writel(0, sunxi_irq_base + SUNXI_IRQ_ENABLE_REG(0)); + writel(0, sunxi_irq_base + SUNXI_IRQ_ENABLE_REG(1)); + writel(0, sunxi_irq_base + SUNXI_IRQ_ENABLE_REG(2)); + + /* Mask all the interrupts */ + writel(0, sunxi_irq_base + SUNXI_IRQ_MASK_REG(0)); + writel(0, sunxi_irq_base + SUNXI_IRQ_MASK_REG(1)); + writel(0, sunxi_irq_base + SUNXI_IRQ_MASK_REG(2)); + + /* Clear all the pending interrupts */ + writel(0xffffffff, sunxi_irq_base + SUNXI_IRQ_PENDING_REG(0)); + writel(0xffffffff, sunxi_irq_base + SUNXI_IRQ_PENDING_REG(1)); + writel(0xffffffff, sunxi_irq_base + SUNXI_IRQ_PENDING_REG(2)); + + /* Enable protection mode */ + writel(0x01, sunxi_irq_base + SUNXI_IRQ_PROTECTION_REG); + + /* Configure the external interrupt source type */ + writel(0x00, sunxi_irq_base + SUNXI_IRQ_NMI_CTRL_REG); + + sunxi_irq_domain = irq_domain_add_linear(node, 3 * 32, + &sunxi_irq_ops, NULL); + if (!sunxi_irq_domain) + panic("%s: unable to create IRQ domain\n", node->full_name); + + return 0; +} + +static struct of_device_id sunxi_irq_dt_ids[] __initconst = { + { .compatible = "allwinner,sunxi-ic", .data = sunxi_of_init } +}; + +void __init sunxi_init_irq(void) +{ + of_irq_init(sunxi_irq_dt_ids); +} + +asmlinkage void __exception_irq_entry sunxi_handle_irq(struct pt_regs *regs) +{ + u32 irq, hwirq; + + hwirq = readl(sunxi_irq_base + SUNXI_IRQ_VECTOR_REG) >> 2; + while (hwirq != 0) { + irq = irq_find_mapping(sunxi_irq_domain, hwirq); + handle_IRQ(irq, regs); + hwirq = readl(sunxi_irq_base + SUNXI_IRQ_VECTOR_REG) >> 2; + } +} diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c new file mode 100644 index 00000000000..789b3e52693 --- /dev/null +++ b/drivers/irqchip/irq-versatile-fpga.c @@ -0,0 +1,204 @@ +/* + * Support for Versatile FPGA-based IRQ controllers + */ +#include <linux/bitops.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/irqchip/versatile-fpga.h> +#include <linux/irqdomain.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_address.h> + +#include <asm/exception.h> +#include <asm/mach/irq.h> + +#define IRQ_STATUS 0x00 +#define IRQ_RAW_STATUS 0x04 +#define IRQ_ENABLE_SET 0x08 +#define IRQ_ENABLE_CLEAR 0x0c +#define INT_SOFT_SET 0x10 +#define INT_SOFT_CLEAR 0x14 +#define FIQ_STATUS 0x20 +#define FIQ_RAW_STATUS 0x24 +#define FIQ_ENABLE 0x28 +#define FIQ_ENABLE_SET 0x28 +#define FIQ_ENABLE_CLEAR 0x2C + +/** + * struct fpga_irq_data - irq data container for the FPGA IRQ controller + * @base: memory offset in virtual memory + * @chip: chip container for this instance + * @domain: IRQ domain for this instance + * @valid: mask for valid IRQs on this controller + * @used_irqs: number of active IRQs on this controller + */ +struct fpga_irq_data { + void __iomem *base; + struct irq_chip chip; + u32 valid; + struct irq_domain *domain; + u8 used_irqs; +}; + +/* we cannot allocate memory when the controllers are initially registered */ +static struct fpga_irq_data fpga_irq_devices[CONFIG_VERSATILE_FPGA_IRQ_NR]; +static int fpga_irq_id; + +static void fpga_irq_mask(struct irq_data *d) +{ + struct fpga_irq_data *f = irq_data_get_irq_chip_data(d); + u32 mask = 1 << d->hwirq; + + writel(mask, f->base + IRQ_ENABLE_CLEAR); +} + +static void fpga_irq_unmask(struct irq_data *d) +{ + struct fpga_irq_data *f = irq_data_get_irq_chip_data(d); + u32 mask = 1 << d->hwirq; + + writel(mask, f->base + IRQ_ENABLE_SET); +} + +static void fpga_irq_handle(unsigned int irq, struct irq_desc *desc) +{ + struct fpga_irq_data *f = irq_desc_get_handler_data(desc); + u32 status = readl(f->base + IRQ_STATUS); + + if (status == 0) { + do_bad_IRQ(irq, desc); + return; + } + + do { + irq = ffs(status) - 1; + status &= ~(1 << irq); + generic_handle_irq(irq_find_mapping(f->domain, irq)); + } while (status); +} + +/* + * Handle each interrupt in a single FPGA IRQ controller. Returns non-zero + * if we've handled at least one interrupt. This does a single read of the + * status register and handles all interrupts in order from LSB first. + */ +static int handle_one_fpga(struct fpga_irq_data *f, struct pt_regs *regs) +{ + int handled = 0; + int irq; + u32 status; + + while ((status = readl(f->base + IRQ_STATUS))) { + irq = ffs(status) - 1; + handle_IRQ(irq_find_mapping(f->domain, irq), regs); + handled = 1; + } + + return handled; +} + +/* + * Keep iterating over all registered FPGA IRQ controllers until there are + * no pending interrupts. + */ +asmlinkage void __exception_irq_entry fpga_handle_irq(struct pt_regs *regs) +{ + int i, handled; + + do { + for (i = 0, handled = 0; i < fpga_irq_id; ++i) + handled |= handle_one_fpga(&fpga_irq_devices[i], regs); + } while (handled); +} + +static int fpga_irqdomain_map(struct irq_domain *d, unsigned int irq, + irq_hw_number_t hwirq) +{ + struct fpga_irq_data *f = d->host_data; + + /* Skip invalid IRQs, only register handlers for the real ones */ + if (!(f->valid & BIT(hwirq))) + return -ENOTSUPP; + irq_set_chip_data(irq, f); + irq_set_chip_and_handler(irq, &f->chip, + handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + return 0; +} + +static struct irq_domain_ops fpga_irqdomain_ops = { + .map = fpga_irqdomain_map, + .xlate = irq_domain_xlate_onetwocell, +}; + +void __init fpga_irq_init(void __iomem *base, const char *name, int irq_start, + int parent_irq, u32 valid, struct device_node *node) +{ + struct fpga_irq_data *f; + int i; + + if (fpga_irq_id >= ARRAY_SIZE(fpga_irq_devices)) { + pr_err("%s: too few FPGA IRQ controllers, increase CONFIG_PLAT_VERSATILE_FPGA_IRQ_NR\n", __func__); + return; + } + f = &fpga_irq_devices[fpga_irq_id]; + f->base = base; + f->chip.name = name; + f->chip.irq_ack = fpga_irq_mask; + f->chip.irq_mask = fpga_irq_mask; + f->chip.irq_unmask = fpga_irq_unmask; + f->valid = valid; + + if (parent_irq != -1) { + irq_set_handler_data(parent_irq, f); + irq_set_chained_handler(parent_irq, fpga_irq_handle); + } + + /* This will also allocate irq descriptors */ + f->domain = irq_domain_add_simple(node, fls(valid), irq_start, + &fpga_irqdomain_ops, f); + + /* This will allocate all valid descriptors in the linear case */ + for (i = 0; i < fls(valid); i++) + if (valid & BIT(i)) { + if (!irq_start) + irq_create_mapping(f->domain, i); + f->used_irqs++; + } + + pr_info("FPGA IRQ chip %d \"%s\" @ %p, %u irqs\n", + fpga_irq_id, name, base, f->used_irqs); + + fpga_irq_id++; +} + +#ifdef CONFIG_OF +int __init fpga_irq_of_init(struct device_node *node, + struct device_node *parent) +{ + struct fpga_irq_data *f; + void __iomem *base; + u32 clear_mask; + u32 valid_mask; + + if (WARN_ON(!node)) + return -ENODEV; + + base = of_iomap(node, 0); + WARN(!base, "unable to map fpga irq registers\n"); + + if (of_property_read_u32(node, "clear-mask", &clear_mask)) + clear_mask = 0; + + if (of_property_read_u32(node, "valid-mask", &valid_mask)) + valid_mask = 0; + + fpga_irq_init(base, node->name, 0, -1, valid_mask, node); + + writel(clear_mask, base + IRQ_ENABLE_CLEAR); + writel(clear_mask, base + FIQ_ENABLE_CLEAR); + + return 0; +} +#endif diff --git a/drivers/isdn/Kconfig b/drivers/isdn/Kconfig index a233ed53913..86cd75a0e84 100644 --- a/drivers/isdn/Kconfig +++ b/drivers/isdn/Kconfig @@ -4,7 +4,7 @@ menuconfig ISDN bool "ISDN support" - depends on NET + depends on NET && NETDEVICES depends on !S390 && !UML ---help--- ISDN ("Integrated Services Digital Network", called RNIS in France) diff --git a/drivers/isdn/i4l/Kconfig b/drivers/isdn/i4l/Kconfig index 2302fbe70ac..9c6650ea848 100644 --- a/drivers/isdn/i4l/Kconfig +++ b/drivers/isdn/i4l/Kconfig @@ -6,7 +6,7 @@ if ISDN_I4L config ISDN_PPP bool "Support synchronous PPP" - depends on INET && NETDEVICES + depends on INET select SLHC help Over digital connections such as ISDN, there is no need to diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c index 8c610fa6782..e2a945ee9f0 100644 --- a/drivers/isdn/i4l/isdn_common.c +++ b/drivers/isdn/i4l/isdn_common.c @@ -1312,7 +1312,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) } else return -EINVAL; break; -#ifdef CONFIG_NETDEVICES case IIOCNETGPN: /* Get peer phone number of a connected * isdn network interface */ @@ -1322,7 +1321,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) return isdn_net_getpeer(&phone, argp); } else return -EINVAL; -#endif default: return -EINVAL; } @@ -1352,7 +1350,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) case IIOCNETLCR: printk(KERN_INFO "INFO: ISDN_ABC_LCR_SUPPORT not enabled\n"); return -ENODEV; -#ifdef CONFIG_NETDEVICES case IIOCNETAIF: /* Add a network-interface */ if (arg) { @@ -1491,7 +1488,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) return -EFAULT; return isdn_net_force_hangup(name); break; -#endif /* CONFIG_NETDEVICES */ case IIOCSETVER: dev->net_verbose = arg; printk(KERN_INFO "isdn: Verbose-Level is %d\n", dev->net_verbose); diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c index 45135f69509..5e7dc772f5d 100644 --- a/drivers/md/faulty.c +++ b/drivers/md/faulty.c @@ -315,8 +315,11 @@ static int run(struct mddev *mddev) } conf->nfaults = 0; - rdev_for_each(rdev, mddev) + rdev_for_each(rdev, mddev) { conf->rdev = rdev; + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); + } md_set_array_sectors(mddev, faulty_size(mddev, 0, 0)); mddev->private = conf; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 8034fbd6190..636bae0405e 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2710,7 +2710,7 @@ static struct r1conf *setup_conf(struct mddev *mddev) || disk_idx < 0) continue; if (test_bit(Replacement, &rdev->flags)) - disk = conf->mirrors + conf->raid_disks + disk_idx; + disk = conf->mirrors + mddev->raid_disks + disk_idx; else disk = conf->mirrors + disk_idx; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 906ccbd0f7d..d1295aff417 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1783,7 +1783,7 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev) clear_bit(Unmerged, &rdev->flags); } md_integrity_add_rdev(rdev, mddev); - if (blk_queue_discard(bdev_get_queue(rdev->bdev))) + if (mddev->queue && blk_queue_discard(bdev_get_queue(rdev->bdev))) queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); print_conf(conf); @@ -3613,11 +3613,14 @@ static int run(struct mddev *mddev) discard_supported = true; } - if (discard_supported) - queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); - else - queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); - + if (mddev->queue) { + if (discard_supported) + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, + mddev->queue); + else + queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, + mddev->queue); + } /* need to check that every block has at least one working mirror */ if (!enough(conf, -1)) { printk(KERN_ERR "md/raid10:%s: not enough operational mirrors.\n", diff --git a/drivers/media/platform/soc_camera/mx2_camera.c b/drivers/media/platform/soc_camera/mx2_camera.c index 9fd9d1c5b21..558f6a3e510 100644 --- a/drivers/media/platform/soc_camera/mx2_camera.c +++ b/drivers/media/platform/soc_camera/mx2_camera.c @@ -41,7 +41,6 @@ #include <linux/videodev2.h> #include <linux/platform_data/camera-mx2.h> -#include <mach/hardware.h> #include <asm/dma.h> @@ -121,11 +120,13 @@ #define CSICR1 0x00 #define CSICR2 0x04 -#define CSISR (cpu_is_mx27() ? 0x08 : 0x18) +#define CSISR_IMX25 0x18 +#define CSISR_IMX27 0x08 #define CSISTATFIFO 0x0c #define CSIRFIFO 0x10 #define CSIRXCNT 0x14 -#define CSICR3 (cpu_is_mx27() ? 0x1C : 0x08) +#define CSICR3_IMX25 0x08 +#define CSICR3_IMX27 0x1c #define CSIDMASA_STATFIFO 0x20 #define CSIDMATA_STATFIFO 0x24 #define CSIDMASA_FB1 0x28 @@ -268,11 +269,17 @@ struct mx2_buffer { struct mx2_buf_internal internal; }; +enum mx2_camera_type { + IMX25_CAMERA, + IMX27_CAMERA, +}; + struct mx2_camera_dev { struct device *dev; struct soc_camera_host soc_host; struct soc_camera_device *icd; - struct clk *clk_csi, *clk_emma_ahb, *clk_emma_ipg; + struct clk *clk_emma_ahb, *clk_emma_ipg; + struct clk *clk_csi_ahb, *clk_csi_per; void __iomem *base_csi, *base_emma; @@ -291,6 +298,9 @@ struct mx2_camera_dev { struct mx2_buffer *fb2_active; u32 csicr1; + u32 reg_csisr; + u32 reg_csicr3; + enum mx2_camera_type devtype; struct mx2_buf_internal buf_discard[2]; void *discard_buffer; @@ -303,6 +313,29 @@ struct mx2_camera_dev { struct vb2_alloc_ctx *alloc_ctx; }; +static struct platform_device_id mx2_camera_devtype[] = { + { + .name = "imx25-camera", + .driver_data = IMX25_CAMERA, + }, { + .name = "imx27-camera", + .driver_data = IMX27_CAMERA, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, mx2_camera_devtype); + +static inline int is_imx25_camera(struct mx2_camera_dev *pcdev) +{ + return pcdev->devtype == IMX25_CAMERA; +} + +static inline int is_imx27_camera(struct mx2_camera_dev *pcdev) +{ + return pcdev->devtype == IMX27_CAMERA; +} + static struct mx2_buffer *mx2_ibuf_to_buf(struct mx2_buf_internal *int_buf) { return container_of(int_buf, struct mx2_buffer, internal); @@ -432,11 +465,12 @@ static void mx2_camera_deactivate(struct mx2_camera_dev *pcdev) { unsigned long flags; - clk_disable_unprepare(pcdev->clk_csi); + clk_disable_unprepare(pcdev->clk_csi_ahb); + clk_disable_unprepare(pcdev->clk_csi_per); writel(0, pcdev->base_csi + CSICR1); - if (cpu_is_mx27()) { + if (is_imx27_camera(pcdev)) { writel(0, pcdev->base_emma + PRP_CNTL); - } else if (cpu_is_mx25()) { + } else if (is_imx25_camera(pcdev)) { spin_lock_irqsave(&pcdev->lock, flags); pcdev->fb1_active = NULL; pcdev->fb2_active = NULL; @@ -460,13 +494,17 @@ static int mx2_camera_add_device(struct soc_camera_device *icd) if (pcdev->icd) return -EBUSY; - ret = clk_prepare_enable(pcdev->clk_csi); + ret = clk_prepare_enable(pcdev->clk_csi_ahb); if (ret < 0) return ret; + ret = clk_prepare_enable(pcdev->clk_csi_per); + if (ret < 0) + goto exit_csi_ahb; + csicr1 = CSICR1_MCLKEN; - if (cpu_is_mx27()) + if (is_imx27_camera(pcdev)) csicr1 |= CSICR1_PRP_IF_EN | CSICR1_FCC | CSICR1_RXFF_LEVEL(0); @@ -480,6 +518,11 @@ static int mx2_camera_add_device(struct soc_camera_device *icd) icd->devnum); return 0; + +exit_csi_ahb: + clk_disable_unprepare(pcdev->clk_csi_ahb); + + return ret; } static void mx2_camera_remove_device(struct soc_camera_device *icd) @@ -542,7 +585,7 @@ out: static irqreturn_t mx25_camera_irq(int irq_csi, void *data) { struct mx2_camera_dev *pcdev = data; - u32 status = readl(pcdev->base_csi + CSISR); + u32 status = readl(pcdev->base_csi + pcdev->reg_csisr); if (status & CSISR_DMA_TSF_FB1_INT) mx25_camera_frame_done(pcdev, 1, MX2_STATE_DONE); @@ -551,7 +594,7 @@ static irqreturn_t mx25_camera_irq(int irq_csi, void *data) /* FIXME: handle CSISR_RFF_OR_INT */ - writel(status, pcdev->base_csi + CSISR); + writel(status, pcdev->base_csi + pcdev->reg_csisr); return IRQ_HANDLED; } @@ -636,7 +679,7 @@ static void mx2_videobuf_queue(struct vb2_buffer *vb) buf->state = MX2_STATE_QUEUED; list_add_tail(&buf->internal.queue, &pcdev->capture); - if (cpu_is_mx25()) { + if (is_imx25_camera(pcdev)) { u32 csicr3, dma_inten = 0; if (pcdev->fb1_active == NULL) { @@ -655,20 +698,20 @@ static void mx2_videobuf_queue(struct vb2_buffer *vb) list_del(&buf->internal.queue); buf->state = MX2_STATE_ACTIVE; - csicr3 = readl(pcdev->base_csi + CSICR3); + csicr3 = readl(pcdev->base_csi + pcdev->reg_csicr3); /* Reflash DMA */ writel(csicr3 | CSICR3_DMA_REFLASH_RFF, - pcdev->base_csi + CSICR3); + pcdev->base_csi + pcdev->reg_csicr3); /* clear & enable interrupts */ - writel(dma_inten, pcdev->base_csi + CSISR); + writel(dma_inten, pcdev->base_csi + pcdev->reg_csisr); pcdev->csicr1 |= dma_inten; writel(pcdev->csicr1, pcdev->base_csi + CSICR1); /* enable DMA */ csicr3 |= CSICR3_DMA_REQ_EN_RFF | CSICR3_RXFF_LEVEL(1); - writel(csicr3, pcdev->base_csi + CSICR3); + writel(csicr3, pcdev->base_csi + pcdev->reg_csicr3); } } @@ -712,7 +755,7 @@ static void mx2_videobuf_release(struct vb2_buffer *vb) */ spin_lock_irqsave(&pcdev->lock, flags); - if (cpu_is_mx25() && buf->state == MX2_STATE_ACTIVE) { + if (is_imx25_camera(pcdev) && buf->state == MX2_STATE_ACTIVE) { if (pcdev->fb1_active == buf) { pcdev->csicr1 &= ~CSICR1_FB1_DMA_INTEN; writel(0, pcdev->base_csi + CSIDMASA_FB1); @@ -835,7 +878,7 @@ static int mx2_start_streaming(struct vb2_queue *q, unsigned int count) unsigned long phys; int bytesperline; - if (cpu_is_mx27()) { + if (is_imx27_camera(pcdev)) { unsigned long flags; if (count < 2) return -EINVAL; @@ -930,7 +973,7 @@ static int mx2_stop_streaming(struct vb2_queue *q) void *b; u32 cntl; - if (cpu_is_mx27()) { + if (is_imx27_camera(pcdev)) { spin_lock_irqsave(&pcdev->lock, flags); cntl = readl(pcdev->base_emma + PRP_CNTL); @@ -1082,11 +1125,11 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd) if (bytesperline < 0) return bytesperline; - if (cpu_is_mx27()) { + if (is_imx27_camera(pcdev)) { ret = mx27_camera_emma_prp_reset(pcdev); if (ret) return ret; - } else if (cpu_is_mx25()) { + } else if (is_imx25_camera(pcdev)) { writel((bytesperline * icd->user_height) >> 2, pcdev->base_csi + CSIRXCNT); writel((bytesperline << 16) | icd->user_height, @@ -1392,7 +1435,7 @@ static int mx2_camera_try_fmt(struct soc_camera_device *icd, /* FIXME: implement MX27 limits */ /* limit to MX25 hardware capabilities */ - if (cpu_is_mx25()) { + if (is_imx25_camera(pcdev)) { if (xlate->host_fmt->bits_per_sample <= 8) width_limit = 0xffff * 4; else @@ -1726,10 +1769,31 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev) goto exit; } - pcdev->clk_csi = devm_clk_get(&pdev->dev, "ahb"); - if (IS_ERR(pcdev->clk_csi)) { - dev_err(&pdev->dev, "Could not get csi clock\n"); - err = PTR_ERR(pcdev->clk_csi); + pcdev->devtype = pdev->id_entry->driver_data; + switch (pcdev->devtype) { + case IMX25_CAMERA: + pcdev->reg_csisr = CSISR_IMX25; + pcdev->reg_csicr3 = CSICR3_IMX25; + break; + case IMX27_CAMERA: + pcdev->reg_csisr = CSISR_IMX27; + pcdev->reg_csicr3 = CSICR3_IMX27; + break; + default: + break; + } + + pcdev->clk_csi_ahb = devm_clk_get(&pdev->dev, "ahb"); + if (IS_ERR(pcdev->clk_csi_ahb)) { + dev_err(&pdev->dev, "Could not get csi ahb clock\n"); + err = PTR_ERR(pcdev->clk_csi_ahb); + goto exit; + } + + pcdev->clk_csi_per = devm_clk_get(&pdev->dev, "per"); + if (IS_ERR(pcdev->clk_csi_per)) { + dev_err(&pdev->dev, "Could not get csi per clock\n"); + err = PTR_ERR(pcdev->clk_csi_per); goto exit; } @@ -1739,12 +1803,13 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev) pcdev->platform_flags = pcdev->pdata->flags; - rate = clk_round_rate(pcdev->clk_csi, pcdev->pdata->clk * 2); + rate = clk_round_rate(pcdev->clk_csi_per, + pcdev->pdata->clk * 2); if (rate <= 0) { err = -ENODEV; goto exit; } - err = clk_set_rate(pcdev->clk_csi, rate); + err = clk_set_rate(pcdev->clk_csi_per, rate); if (err < 0) goto exit; } @@ -1763,7 +1828,7 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev) pcdev->dev = &pdev->dev; platform_set_drvdata(pdev, pcdev); - if (cpu_is_mx25()) { + if (is_imx25_camera(pcdev)) { err = devm_request_irq(&pdev->dev, irq_csi, mx25_camera_irq, 0, MX2_CAM_DRV_NAME, pcdev); if (err) { @@ -1772,7 +1837,7 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev) } } - if (cpu_is_mx27()) { + if (is_imx27_camera(pcdev)) { err = mx27_camera_emma_init(pdev); if (err) goto exit; @@ -1789,7 +1854,7 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev) pcdev->soc_host.priv = pcdev; pcdev->soc_host.v4l2_dev.dev = &pdev->dev; pcdev->soc_host.nr = pdev->id; - if (cpu_is_mx25()) + if (is_imx25_camera(pcdev)) pcdev->soc_host.capabilities = SOCAM_HOST_CAP_STRIDE; pcdev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); @@ -1802,14 +1867,14 @@ static int __devinit mx2_camera_probe(struct platform_device *pdev) goto exit_free_emma; dev_info(&pdev->dev, "MX2 Camera (CSI) driver probed, clock frequency: %ld\n", - clk_get_rate(pcdev->clk_csi)); + clk_get_rate(pcdev->clk_csi_per)); return 0; exit_free_emma: vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx); eallocctx: - if (cpu_is_mx27()) { + if (is_imx27_camera(pcdev)) { clk_disable_unprepare(pcdev->clk_emma_ipg); clk_disable_unprepare(pcdev->clk_emma_ahb); } @@ -1827,7 +1892,7 @@ static int __devexit mx2_camera_remove(struct platform_device *pdev) vb2_dma_contig_cleanup_ctx(pcdev->alloc_ctx); - if (cpu_is_mx27()) { + if (is_imx27_camera(pcdev)) { clk_disable_unprepare(pcdev->clk_emma_ipg); clk_disable_unprepare(pcdev->clk_emma_ahb); } @@ -1841,6 +1906,7 @@ static struct platform_driver mx2_camera_driver = { .driver = { .name = MX2_CAM_DRV_NAME, }, + .id_table = mx2_camera_devtype, .remove = __devexit_p(mx2_camera_remove), }; diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c index 3557ac97e43..64d39b1b558 100644 --- a/drivers/media/platform/soc_camera/mx3_camera.c +++ b/drivers/media/platform/soc_camera/mx3_camera.c @@ -17,6 +17,7 @@ #include <linux/vmalloc.h> #include <linux/interrupt.h> #include <linux/sched.h> +#include <linux/dma/ipu-dma.h> #include <media/v4l2-common.h> #include <media/v4l2-dev.h> @@ -24,7 +25,6 @@ #include <media/soc_camera.h> #include <media/soc_mediabus.h> -#include <mach/ipu.h> #include <linux/platform_data/camera-mx3.h> #include <linux/platform_data/dma-imx.h> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index acab3ef8a31..637bcdf8ce7 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1070,3 +1070,9 @@ config MCP_UCB1200_TS depends on MCP_UCB1200 && INPUT endmenu + +config VEXPRESS_CONFIG + bool + help + Platform configuration infrastructure for the ARM Ltd. + Versatile Express. diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index d8ccb630ddb..296817c6c06 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -138,3 +138,4 @@ obj-$(CONFIG_MFD_RC5T583) += rc5t583.o rc5t583-irq.o obj-$(CONFIG_MFD_SEC_CORE) += sec-core.o sec-irq.o obj-$(CONFIG_MFD_SYSCON) += syscon.o obj-$(CONFIG_MFD_LM3533) += lm3533-core.o lm3533-ctrlbank.o +obj-$(CONFIG_VEXPRESS_CONFIG) += vexpress-config.o vexpress-sysreg.o diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 00b8b0f3dfb..3167bfdd13f 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -1169,12 +1169,12 @@ int db8500_prcmu_get_ape_opp(void) } /** - * prcmu_request_ape_opp_100_voltage - Request APE OPP 100% voltage + * db8500_prcmu_request_ape_opp_100_voltage - Request APE OPP 100% voltage * @enable: true to request the higher voltage, false to drop a request. * * Calls to this function to enable and disable requests must be balanced. */ -int prcmu_request_ape_opp_100_voltage(bool enable) +int db8500_prcmu_request_ape_opp_100_voltage(bool enable) { int r = 0; u8 header; diff --git a/drivers/mfd/vexpress-config.c b/drivers/mfd/vexpress-config.c new file mode 100644 index 00000000000..fae15d88075 --- /dev/null +++ b/drivers/mfd/vexpress-config.c @@ -0,0 +1,277 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Copyright (C) 2012 ARM Limited + */ + +#define pr_fmt(fmt) "vexpress-config: " fmt + +#include <linux/bitops.h> +#include <linux/completion.h> +#include <linux/export.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/vexpress.h> + + +#define VEXPRESS_CONFIG_MAX_BRIDGES 2 + +struct vexpress_config_bridge { + struct device_node *node; + struct vexpress_config_bridge_info *info; + struct list_head transactions; + spinlock_t transactions_lock; +} vexpress_config_bridges[VEXPRESS_CONFIG_MAX_BRIDGES]; + +static DECLARE_BITMAP(vexpress_config_bridges_map, + ARRAY_SIZE(vexpress_config_bridges)); +static DEFINE_MUTEX(vexpress_config_bridges_mutex); + +struct vexpress_config_bridge *vexpress_config_bridge_register( + struct device_node *node, + struct vexpress_config_bridge_info *info) +{ + struct vexpress_config_bridge *bridge; + int i; + + pr_debug("Registering bridge '%s'\n", info->name); + + mutex_lock(&vexpress_config_bridges_mutex); + i = find_first_zero_bit(vexpress_config_bridges_map, + ARRAY_SIZE(vexpress_config_bridges)); + if (i >= ARRAY_SIZE(vexpress_config_bridges)) { + pr_err("Can't register more bridges!\n"); + mutex_unlock(&vexpress_config_bridges_mutex); + return NULL; + } + __set_bit(i, vexpress_config_bridges_map); + bridge = &vexpress_config_bridges[i]; + + bridge->node = node; + bridge->info = info; + INIT_LIST_HEAD(&bridge->transactions); + spin_lock_init(&bridge->transactions_lock); + + mutex_unlock(&vexpress_config_bridges_mutex); + + return bridge; +} + +void vexpress_config_bridge_unregister(struct vexpress_config_bridge *bridge) +{ + struct vexpress_config_bridge __bridge = *bridge; + int i; + + mutex_lock(&vexpress_config_bridges_mutex); + for (i = 0; i < ARRAY_SIZE(vexpress_config_bridges); i++) + if (&vexpress_config_bridges[i] == bridge) + __clear_bit(i, vexpress_config_bridges_map); + mutex_unlock(&vexpress_config_bridges_mutex); + + WARN_ON(!list_empty(&__bridge.transactions)); + while (!list_empty(&__bridge.transactions)) + cpu_relax(); +} + + +struct vexpress_config_func { + struct vexpress_config_bridge *bridge; + void *func; +}; + +struct vexpress_config_func *__vexpress_config_func_get(struct device *dev, + struct device_node *node) +{ + struct device_node *bridge_node; + struct vexpress_config_func *func; + int i; + + if (WARN_ON(dev && node && dev->of_node != node)) + return NULL; + if (dev && !node) + node = dev->of_node; + + func = kzalloc(sizeof(*func), GFP_KERNEL); + if (!func) + return NULL; + + bridge_node = of_node_get(node); + while (bridge_node) { + const __be32 *prop = of_get_property(bridge_node, + "arm,vexpress,config-bridge", NULL); + + if (prop) { + bridge_node = of_find_node_by_phandle( + be32_to_cpup(prop)); + break; + } + + bridge_node = of_get_next_parent(bridge_node); + } + + mutex_lock(&vexpress_config_bridges_mutex); + for (i = 0; i < ARRAY_SIZE(vexpress_config_bridges); i++) { + struct vexpress_config_bridge *bridge = + &vexpress_config_bridges[i]; + + if (test_bit(i, vexpress_config_bridges_map) && + bridge->node == bridge_node) { + func->bridge = bridge; + func->func = bridge->info->func_get(dev, node); + break; + } + } + mutex_unlock(&vexpress_config_bridges_mutex); + + if (!func->func) { + of_node_put(node); + kfree(func); + return NULL; + } + + return func; +} + +void vexpress_config_func_put(struct vexpress_config_func *func) +{ + func->bridge->info->func_put(func->func); + of_node_put(func->bridge->node); + kfree(func); +} + + +struct vexpress_config_trans { + struct vexpress_config_func *func; + int offset; + bool write; + u32 *data; + int status; + struct completion completion; + struct list_head list; +}; + +static void vexpress_config_dump_trans(const char *what, + struct vexpress_config_trans *trans) +{ + pr_debug("%s %s trans %p func 0x%p offset %d data 0x%x status %d\n", + what, trans->write ? "write" : "read", trans, + trans->func->func, trans->offset, + trans->data ? *trans->data : 0, trans->status); +} + +static int vexpress_config_schedule(struct vexpress_config_trans *trans) +{ + int status; + struct vexpress_config_bridge *bridge = trans->func->bridge; + unsigned long flags; + + init_completion(&trans->completion); + trans->status = -EFAULT; + + spin_lock_irqsave(&bridge->transactions_lock, flags); + + vexpress_config_dump_trans("Executing", trans); + + if (list_empty(&bridge->transactions)) + status = bridge->info->func_exec(trans->func->func, + trans->offset, trans->write, trans->data); + else + status = VEXPRESS_CONFIG_STATUS_WAIT; + + switch (status) { + case VEXPRESS_CONFIG_STATUS_DONE: + vexpress_config_dump_trans("Finished", trans); + trans->status = status; + break; + case VEXPRESS_CONFIG_STATUS_WAIT: + list_add_tail(&trans->list, &bridge->transactions); + break; + } + + spin_unlock_irqrestore(&bridge->transactions_lock, flags); + + return status; +} + +void vexpress_config_complete(struct vexpress_config_bridge *bridge, + int status) +{ + struct vexpress_config_trans *trans; + unsigned long flags; + + spin_lock_irqsave(&bridge->transactions_lock, flags); + + trans = list_first_entry(&bridge->transactions, + struct vexpress_config_trans, list); + vexpress_config_dump_trans("Completed", trans); + + trans->status = status; + list_del(&trans->list); + + if (!list_empty(&bridge->transactions)) { + vexpress_config_dump_trans("Pending", trans); + + bridge->info->func_exec(trans->func->func, trans->offset, + trans->write, trans->data); + } + spin_unlock_irqrestore(&bridge->transactions_lock, flags); + + complete(&trans->completion); +} + +int vexpress_config_wait(struct vexpress_config_trans *trans) +{ + wait_for_completion(&trans->completion); + + return trans->status; +} + + +int vexpress_config_read(struct vexpress_config_func *func, int offset, + u32 *data) +{ + struct vexpress_config_trans trans = { + .func = func, + .offset = offset, + .write = false, + .data = data, + .status = 0, + }; + int status = vexpress_config_schedule(&trans); + + if (status == VEXPRESS_CONFIG_STATUS_WAIT) + status = vexpress_config_wait(&trans); + + return status; +} +EXPORT_SYMBOL(vexpress_config_read); + +int vexpress_config_write(struct vexpress_config_func *func, int offset, + u32 data) +{ + struct vexpress_config_trans trans = { + .func = func, + .offset = offset, + .write = true, + .data = &data, + .status = 0, + }; + int status = vexpress_config_schedule(&trans); + + if (status == VEXPRESS_CONFIG_STATUS_WAIT) + status = vexpress_config_wait(&trans); + + return status; +} +EXPORT_SYMBOL(vexpress_config_write); diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c new file mode 100644 index 00000000000..059d6b17b14 --- /dev/null +++ b/drivers/mfd/vexpress-sysreg.c @@ -0,0 +1,552 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Copyright (C) 2012 ARM Limited + */ + +#include <linux/err.h> +#include <linux/gpio.h> +#include <linux/io.h> +#include <linux/leds.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> +#include <linux/regulator/driver.h> +#include <linux/slab.h> +#include <linux/stat.h> +#include <linux/timer.h> +#include <linux/vexpress.h> + +#define SYS_ID 0x000 +#define SYS_SW 0x004 +#define SYS_LED 0x008 +#define SYS_100HZ 0x024 +#define SYS_FLAGS 0x030 +#define SYS_FLAGSSET 0x030 +#define SYS_FLAGSCLR 0x034 +#define SYS_NVFLAGS 0x038 +#define SYS_NVFLAGSSET 0x038 +#define SYS_NVFLAGSCLR 0x03c +#define SYS_MCI 0x048 +#define SYS_FLASH 0x04c +#define SYS_CFGSW 0x058 +#define SYS_24MHZ 0x05c +#define SYS_MISC 0x060 +#define SYS_DMA 0x064 +#define SYS_PROCID0 0x084 +#define SYS_PROCID1 0x088 +#define SYS_CFGDATA 0x0a0 +#define SYS_CFGCTRL 0x0a4 +#define SYS_CFGSTAT 0x0a8 + +#define SYS_HBI_MASK 0xfff +#define SYS_ID_HBI_SHIFT 16 +#define SYS_PROCIDx_HBI_SHIFT 0 + +#define SYS_MCI_CARDIN (1 << 0) +#define SYS_MCI_WPROT (1 << 1) + +#define SYS_FLASH_WPn (1 << 0) + +#define SYS_MISC_MASTERSITE (1 << 14) + +#define SYS_CFGCTRL_START (1 << 31) +#define SYS_CFGCTRL_WRITE (1 << 30) +#define SYS_CFGCTRL_DCC(n) (((n) & 0xf) << 26) +#define SYS_CFGCTRL_FUNC(n) (((n) & 0x3f) << 20) +#define SYS_CFGCTRL_SITE(n) (((n) & 0x3) << 16) +#define SYS_CFGCTRL_POSITION(n) (((n) & 0xf) << 12) +#define SYS_CFGCTRL_DEVICE(n) (((n) & 0xfff) << 0) + +#define SYS_CFGSTAT_ERR (1 << 1) +#define SYS_CFGSTAT_COMPLETE (1 << 0) + + +static void __iomem *vexpress_sysreg_base; +static struct device *vexpress_sysreg_dev; +static int vexpress_master_site; + + +void vexpress_flags_set(u32 data) +{ + writel(~0, vexpress_sysreg_base + SYS_FLAGSCLR); + writel(data, vexpress_sysreg_base + SYS_FLAGSSET); +} + +u32 vexpress_get_procid(int site) +{ + if (site == VEXPRESS_SITE_MASTER) + site = vexpress_master_site; + + return readl(vexpress_sysreg_base + (site == VEXPRESS_SITE_DB1 ? + SYS_PROCID0 : SYS_PROCID1)); +} + +u32 vexpress_get_hbi(int site) +{ + u32 id; + + switch (site) { + case VEXPRESS_SITE_MB: + id = readl(vexpress_sysreg_base + SYS_ID); + return (id >> SYS_ID_HBI_SHIFT) & SYS_HBI_MASK; + case VEXPRESS_SITE_MASTER: + case VEXPRESS_SITE_DB1: + case VEXPRESS_SITE_DB2: + id = vexpress_get_procid(site); + return (id >> SYS_PROCIDx_HBI_SHIFT) & SYS_HBI_MASK; + } + + return ~0; +} + +void __iomem *vexpress_get_24mhz_clock_base(void) +{ + return vexpress_sysreg_base + SYS_24MHZ; +} + + +static void vexpress_sysreg_find_prop(struct device_node *node, + const char *name, u32 *val) +{ + of_node_get(node); + while (node) { + if (of_property_read_u32(node, name, val) == 0) { + of_node_put(node); + return; + } + node = of_get_next_parent(node); + } +} + +unsigned __vexpress_get_site(struct device *dev, struct device_node *node) +{ + u32 site = 0; + + WARN_ON(dev && node && dev->of_node != node); + if (dev && !node) + node = dev->of_node; + + if (node) { + vexpress_sysreg_find_prop(node, "arm,vexpress,site", &site); + } else if (dev && dev->bus == &platform_bus_type) { + struct platform_device *pdev = to_platform_device(dev); + + if (pdev->num_resources == 1 && + pdev->resource[0].flags == IORESOURCE_BUS) + site = pdev->resource[0].start; + } else if (dev && strncmp(dev_name(dev), "ct:", 3) == 0) { + site = VEXPRESS_SITE_MASTER; + } + + if (site == VEXPRESS_SITE_MASTER) + site = vexpress_master_site; + + return site; +} + + +struct vexpress_sysreg_config_func { + u32 template; + u32 device; +}; + +static struct vexpress_config_bridge *vexpress_sysreg_config_bridge; +static struct timer_list vexpress_sysreg_config_timer; +static u32 *vexpress_sysreg_config_data; +static int vexpress_sysreg_config_tries; + +static void *vexpress_sysreg_config_func_get(struct device *dev, + struct device_node *node) +{ + struct vexpress_sysreg_config_func *config_func; + u32 site; + u32 position = 0; + u32 dcc = 0; + u32 func_device[2]; + int err = -EFAULT; + + if (node) { + of_node_get(node); + vexpress_sysreg_find_prop(node, "arm,vexpress,site", &site); + vexpress_sysreg_find_prop(node, "arm,vexpress,position", + &position); + vexpress_sysreg_find_prop(node, "arm,vexpress,dcc", &dcc); + err = of_property_read_u32_array(node, + "arm,vexpress-sysreg,func", func_device, + ARRAY_SIZE(func_device)); + of_node_put(node); + } else if (dev && dev->bus == &platform_bus_type) { + struct platform_device *pdev = to_platform_device(dev); + + if (pdev->num_resources == 1 && + pdev->resource[0].flags == IORESOURCE_BUS) { + site = pdev->resource[0].start; + func_device[0] = pdev->resource[0].end; + func_device[1] = pdev->id; + err = 0; + } + } + if (err) + return NULL; + + config_func = kzalloc(sizeof(*config_func), GFP_KERNEL); + if (!config_func) + return NULL; + + config_func->template = SYS_CFGCTRL_DCC(dcc); + config_func->template |= SYS_CFGCTRL_FUNC(func_device[0]); + config_func->template |= SYS_CFGCTRL_SITE(site == VEXPRESS_SITE_MASTER ? + vexpress_master_site : site); + config_func->template |= SYS_CFGCTRL_POSITION(position); + config_func->device |= func_device[1]; + + dev_dbg(vexpress_sysreg_dev, "func 0x%p = 0x%x, %d\n", config_func, + config_func->template, config_func->device); + + return config_func; +} + +static void vexpress_sysreg_config_func_put(void *func) +{ + kfree(func); +} + +static int vexpress_sysreg_config_func_exec(void *func, int offset, + bool write, u32 *data) +{ + int status; + struct vexpress_sysreg_config_func *config_func = func; + u32 command; + + if (WARN_ON(!vexpress_sysreg_base)) + return -ENOENT; + + command = readl(vexpress_sysreg_base + SYS_CFGCTRL); + if (WARN_ON(command & SYS_CFGCTRL_START)) + return -EBUSY; + + command = SYS_CFGCTRL_START; + command |= write ? SYS_CFGCTRL_WRITE : 0; + command |= config_func->template; + command |= SYS_CFGCTRL_DEVICE(config_func->device + offset); + + /* Use a canary for reads */ + if (!write) + *data = 0xdeadbeef; + + dev_dbg(vexpress_sysreg_dev, "command %x, data %x\n", + command, *data); + writel(*data, vexpress_sysreg_base + SYS_CFGDATA); + writel(0, vexpress_sysreg_base + SYS_CFGSTAT); + writel(command, vexpress_sysreg_base + SYS_CFGCTRL); + mb(); + + if (vexpress_sysreg_dev) { + /* Schedule completion check */ + if (!write) + vexpress_sysreg_config_data = data; + vexpress_sysreg_config_tries = 100; + mod_timer(&vexpress_sysreg_config_timer, + jiffies + usecs_to_jiffies(100)); + status = VEXPRESS_CONFIG_STATUS_WAIT; + } else { + /* Early execution, no timer available, have to spin */ + u32 cfgstat; + + do { + cpu_relax(); + cfgstat = readl(vexpress_sysreg_base + SYS_CFGSTAT); + } while (!cfgstat); + + if (!write && (cfgstat & SYS_CFGSTAT_COMPLETE)) + *data = readl(vexpress_sysreg_base + SYS_CFGDATA); + status = VEXPRESS_CONFIG_STATUS_DONE; + + if (cfgstat & SYS_CFGSTAT_ERR) + status = -EINVAL; + } + + return status; +} + +struct vexpress_config_bridge_info vexpress_sysreg_config_bridge_info = { + .name = "vexpress-sysreg", + .func_get = vexpress_sysreg_config_func_get, + .func_put = vexpress_sysreg_config_func_put, + .func_exec = vexpress_sysreg_config_func_exec, +}; + +static void vexpress_sysreg_config_complete(unsigned long data) +{ + int status = VEXPRESS_CONFIG_STATUS_DONE; + u32 cfgstat = readl(vexpress_sysreg_base + SYS_CFGSTAT); + + if (cfgstat & SYS_CFGSTAT_ERR) + status = -EINVAL; + if (!vexpress_sysreg_config_tries--) + status = -ETIMEDOUT; + + if (status < 0) { + dev_err(vexpress_sysreg_dev, "error %d\n", status); + } else if (!(cfgstat & SYS_CFGSTAT_COMPLETE)) { + mod_timer(&vexpress_sysreg_config_timer, + jiffies + usecs_to_jiffies(50)); + return; + } + + if (vexpress_sysreg_config_data) { + *vexpress_sysreg_config_data = readl(vexpress_sysreg_base + + SYS_CFGDATA); + dev_dbg(vexpress_sysreg_dev, "read data %x\n", + *vexpress_sysreg_config_data); + vexpress_sysreg_config_data = NULL; + } + + vexpress_config_complete(vexpress_sysreg_config_bridge, status); +} + + +void __init vexpress_sysreg_early_init(void __iomem *base) +{ + struct device_node *node = of_find_compatible_node(NULL, NULL, + "arm,vexpress-sysreg"); + + if (node) + base = of_iomap(node, 0); + + if (WARN_ON(!base)) + return; + + vexpress_sysreg_base = base; + + if (readl(vexpress_sysreg_base + SYS_MISC) & SYS_MISC_MASTERSITE) + vexpress_master_site = VEXPRESS_SITE_DB2; + else + vexpress_master_site = VEXPRESS_SITE_DB1; + + vexpress_sysreg_config_bridge = vexpress_config_bridge_register( + node, &vexpress_sysreg_config_bridge_info); + WARN_ON(!vexpress_sysreg_config_bridge); +} + +void __init vexpress_sysreg_of_early_init(void) +{ + vexpress_sysreg_early_init(NULL); +} + + +static struct vexpress_sysreg_gpio { + unsigned long reg; + u32 value; +} vexpress_sysreg_gpios[] = { + [VEXPRESS_GPIO_MMC_CARDIN] = { + .reg = SYS_MCI, + .value = SYS_MCI_CARDIN, + }, + [VEXPRESS_GPIO_MMC_WPROT] = { + .reg = SYS_MCI, + .value = SYS_MCI_WPROT, + }, + [VEXPRESS_GPIO_FLASH_WPn] = { + .reg = SYS_FLASH, + .value = SYS_FLASH_WPn, + }, +}; + +static int vexpress_sysreg_gpio_direction_input(struct gpio_chip *chip, + unsigned offset) +{ + return 0; +} + +static int vexpress_sysreg_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + return 0; +} + +static int vexpress_sysreg_gpio_get(struct gpio_chip *chip, + unsigned offset) +{ + struct vexpress_sysreg_gpio *gpio = &vexpress_sysreg_gpios[offset]; + u32 reg_value = readl(vexpress_sysreg_base + gpio->reg); + + return !!(reg_value & gpio->value); +} + +static void vexpress_sysreg_gpio_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct vexpress_sysreg_gpio *gpio = &vexpress_sysreg_gpios[offset]; + u32 reg_value = readl(vexpress_sysreg_base + gpio->reg); + + if (value) + reg_value |= gpio->value; + else + reg_value &= ~gpio->value; + + writel(reg_value, vexpress_sysreg_base + gpio->reg); +} + +static struct gpio_chip vexpress_sysreg_gpio_chip = { + .label = "vexpress-sysreg", + .direction_input = vexpress_sysreg_gpio_direction_input, + .direction_output = vexpress_sysreg_gpio_direction_output, + .get = vexpress_sysreg_gpio_get, + .set = vexpress_sysreg_gpio_set, + .ngpio = ARRAY_SIZE(vexpress_sysreg_gpios), + .base = 0, +}; + + +static ssize_t vexpress_sysreg_sys_id_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "0x%08x\n", readl(vexpress_sysreg_base + SYS_ID)); +} + +DEVICE_ATTR(sys_id, S_IRUGO, vexpress_sysreg_sys_id_show, NULL); + +static int __devinit vexpress_sysreg_probe(struct platform_device *pdev) +{ + int err; + struct resource *res = platform_get_resource(pdev, + IORESOURCE_MEM, 0); + + if (!devm_request_mem_region(&pdev->dev, res->start, + resource_size(res), pdev->name)) { + dev_err(&pdev->dev, "Failed to request memory region!\n"); + return -EBUSY; + } + + if (!vexpress_sysreg_base) + vexpress_sysreg_base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + + if (!vexpress_sysreg_base) { + dev_err(&pdev->dev, "Failed to obtain base address!\n"); + return -EFAULT; + } + + setup_timer(&vexpress_sysreg_config_timer, + vexpress_sysreg_config_complete, 0); + + vexpress_sysreg_gpio_chip.dev = &pdev->dev; + err = gpiochip_add(&vexpress_sysreg_gpio_chip); + if (err) { + vexpress_config_bridge_unregister( + vexpress_sysreg_config_bridge); + dev_err(&pdev->dev, "Failed to register GPIO chip! (%d)\n", + err); + return err; + } + + vexpress_sysreg_dev = &pdev->dev; + + device_create_file(vexpress_sysreg_dev, &dev_attr_sys_id); + + return 0; +} + +static const struct of_device_id vexpress_sysreg_match[] = { + { .compatible = "arm,vexpress-sysreg", }, + {}, +}; + +static struct platform_driver vexpress_sysreg_driver = { + .driver = { + .name = "vexpress-sysreg", + .of_match_table = vexpress_sysreg_match, + }, + .probe = vexpress_sysreg_probe, +}; + +static int __init vexpress_sysreg_init(void) +{ + return platform_driver_register(&vexpress_sysreg_driver); +} +core_initcall(vexpress_sysreg_init); + + +#if defined(CONFIG_LEDS_CLASS) + +struct vexpress_sysreg_led { + u32 mask; + struct led_classdev cdev; +} vexpress_sysreg_leds[] = { + { .mask = 1 << 0, .cdev.name = "v2m:green:user1", + .cdev.default_trigger = "heartbeat", }, + { .mask = 1 << 1, .cdev.name = "v2m:green:user2", + .cdev.default_trigger = "mmc0", }, + { .mask = 1 << 2, .cdev.name = "v2m:green:user3", + .cdev.default_trigger = "cpu0", }, + { .mask = 1 << 3, .cdev.name = "v2m:green:user4", + .cdev.default_trigger = "cpu1", }, + { .mask = 1 << 4, .cdev.name = "v2m:green:user5", + .cdev.default_trigger = "cpu2", }, + { .mask = 1 << 5, .cdev.name = "v2m:green:user6", + .cdev.default_trigger = "cpu3", }, + { .mask = 1 << 6, .cdev.name = "v2m:green:user7", + .cdev.default_trigger = "cpu4", }, + { .mask = 1 << 7, .cdev.name = "v2m:green:user8", + .cdev.default_trigger = "cpu5", }, +}; + +static DEFINE_SPINLOCK(vexpress_sysreg_leds_lock); + +static void vexpress_sysreg_led_brightness_set(struct led_classdev *cdev, + enum led_brightness brightness) +{ + struct vexpress_sysreg_led *led = container_of(cdev, + struct vexpress_sysreg_led, cdev); + unsigned long flags; + u32 val; + + spin_lock_irqsave(&vexpress_sysreg_leds_lock, flags); + + val = readl(vexpress_sysreg_base + SYS_LED); + if (brightness == LED_OFF) + val &= ~led->mask; + else + val |= led->mask; + writel(val, vexpress_sysreg_base + SYS_LED); + + spin_unlock_irqrestore(&vexpress_sysreg_leds_lock, flags); +} + +static int __init vexpress_sysreg_init_leds(void) +{ + struct vexpress_sysreg_led *led; + int i; + + /* Clear all user LEDs */ + writel(0, vexpress_sysreg_base + SYS_LED); + + for (i = 0, led = vexpress_sysreg_leds; + i < ARRAY_SIZE(vexpress_sysreg_leds); i++, led++) { + int err; + + led->cdev.brightness_set = vexpress_sysreg_led_brightness_set; + err = led_classdev_register(vexpress_sysreg_dev, &led->cdev); + if (err) { + dev_err(vexpress_sysreg_dev, + "Failed to register LED %d! (%d)\n", + i, err); + while (led--, i--) + led_classdev_unregister(&led->cdev); + return err; + } + } + + return 0; +} +device_initcall(vexpress_sysreg_init_leds); + +#endif diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index 660bbc52886..4d50da61816 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -208,7 +208,7 @@ static unsigned long exynos5250_dwmmc_caps[4] = { MMC_CAP_CMD23, }; -static struct dw_mci_drv_data exynos5250_drv_data = { +static const struct dw_mci_drv_data exynos5250_drv_data = { .caps = exynos5250_dwmmc_caps, .init = dw_mci_exynos_priv_init, .setup_clock = dw_mci_exynos_setup_clock, @@ -220,14 +220,14 @@ static struct dw_mci_drv_data exynos5250_drv_data = { static const struct of_device_id dw_mci_exynos_match[] = { { .compatible = "samsung,exynos5250-dw-mshc", - .data = (void *)&exynos5250_drv_data, }, + .data = &exynos5250_drv_data, }, {}, }; -MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match); +MODULE_DEVICE_TABLE(of, dw_mci_exynos_match); int dw_mci_exynos_probe(struct platform_device *pdev) { - struct dw_mci_drv_data *drv_data; + const struct dw_mci_drv_data *drv_data; const struct of_device_id *match; match = of_match_node(dw_mci_exynos_match, pdev->dev.of_node); diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c index c960ca7ffbe..917936bee5d 100644 --- a/drivers/mmc/host/dw_mmc-pltfm.c +++ b/drivers/mmc/host/dw_mmc-pltfm.c @@ -24,7 +24,7 @@ #include "dw_mmc.h" int dw_mci_pltfm_register(struct platform_device *pdev, - struct dw_mci_drv_data *drv_data) + const struct dw_mci_drv_data *drv_data) { struct dw_mci *host; struct resource *regs; @@ -50,8 +50,8 @@ int dw_mci_pltfm_register(struct platform_device *pdev, if (!host->regs) return -ENOMEM; - if (host->drv_data->init) { - ret = host->drv_data->init(host); + if (drv_data && drv_data->init) { + ret = drv_data->init(host); if (ret) return ret; } diff --git a/drivers/mmc/host/dw_mmc-pltfm.h b/drivers/mmc/host/dw_mmc-pltfm.h index 301f24541fc..2ac37b81de4 100644 --- a/drivers/mmc/host/dw_mmc-pltfm.h +++ b/drivers/mmc/host/dw_mmc-pltfm.h @@ -13,7 +13,7 @@ #define _DW_MMC_PLTFM_H_ extern int dw_mci_pltfm_register(struct platform_device *pdev, - struct dw_mci_drv_data *drv_data); + const struct dw_mci_drv_data *drv_data); extern int __devexit dw_mci_pltfm_remove(struct platform_device *pdev); extern const struct dev_pm_ops dw_mci_pltfm_pmops; diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index c2828f35c3b..c0667c8af2b 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -232,6 +232,7 @@ static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd) { struct mmc_data *data; struct dw_mci_slot *slot = mmc_priv(mmc); + struct dw_mci_drv_data *drv_data = slot->host->drv_data; u32 cmdr; cmd->error = -EINPROGRESS; @@ -261,8 +262,8 @@ static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd) cmdr |= SDMMC_CMD_DAT_WR; } - if (slot->host->drv_data->prepare_command) - slot->host->drv_data->prepare_command(slot->host, &cmdr); + if (drv_data && drv_data->prepare_command) + drv_data->prepare_command(slot->host, &cmdr); return cmdr; } @@ -434,7 +435,7 @@ static int dw_mci_idmac_init(struct dw_mci *host) return 0; } -static struct dw_mci_dma_ops dw_mci_idmac_ops = { +static const struct dw_mci_dma_ops dw_mci_idmac_ops = { .init = dw_mci_idmac_init, .start = dw_mci_idmac_start_dma, .stop = dw_mci_idmac_stop_dma, @@ -772,6 +773,7 @@ static void dw_mci_request(struct mmc_host *mmc, struct mmc_request *mrq) static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct dw_mci_slot *slot = mmc_priv(mmc); + struct dw_mci_drv_data *drv_data = slot->host->drv_data; u32 regs; /* set default 1 bit mode */ @@ -807,8 +809,8 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) slot->clock = ios->clock; } - if (slot->host->drv_data->set_ios) - slot->host->drv_data->set_ios(slot->host, ios); + if (drv_data && drv_data->set_ios) + drv_data->set_ios(slot->host, ios); switch (ios->power_mode) { case MMC_POWER_UP: @@ -1815,6 +1817,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id) { struct mmc_host *mmc; struct dw_mci_slot *slot; + struct dw_mci_drv_data *drv_data = host->drv_data; int ctrl_id, ret; u8 bus_width; @@ -1854,8 +1857,8 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id) } else { ctrl_id = to_platform_device(host->dev)->id; } - if (host->drv_data && host->drv_data->caps) - mmc->caps |= host->drv_data->caps[ctrl_id]; + if (drv_data && drv_data->caps) + mmc->caps |= drv_data->caps[ctrl_id]; if (host->pdata->caps2) mmc->caps2 = host->pdata->caps2; @@ -1867,10 +1870,10 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id) else bus_width = 1; - if (host->drv_data->setup_bus) { + if (drv_data && drv_data->setup_bus) { struct device_node *slot_np; slot_np = dw_mci_of_find_slot_node(host->dev, slot->id); - ret = host->drv_data->setup_bus(host, slot_np, bus_width); + ret = drv_data->setup_bus(host, slot_np, bus_width); if (ret) goto err_setup_bus; } @@ -1968,7 +1971,7 @@ static void dw_mci_init_dma(struct dw_mci *host) /* Determine which DMA interface to use */ #ifdef CONFIG_MMC_DW_IDMAC host->dma_ops = &dw_mci_idmac_ops; - dev_info(&host->dev, "Using internal DMA controller.\n"); + dev_info(host->dev, "Using internal DMA controller.\n"); #endif if (!host->dma_ops) @@ -2035,6 +2038,7 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host) struct dw_mci_board *pdata; struct device *dev = host->dev; struct device_node *np = dev->of_node; + struct dw_mci_drv_data *drv_data = host->drv_data; int idx, ret; pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); @@ -2062,8 +2066,8 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host) of_property_read_u32(np, "card-detect-delay", &pdata->detect_delay_ms); - if (host->drv_data->parse_dt) { - ret = host->drv_data->parse_dt(host); + if (drv_data && drv_data->parse_dt) { + ret = drv_data->parse_dt(host); if (ret) return ERR_PTR(ret); } @@ -2080,6 +2084,7 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host) int dw_mci_probe(struct dw_mci *host) { + struct dw_mci_drv_data *drv_data = host->drv_data; int width, i, ret = 0; u32 fifo_size; int init_slots = 0; @@ -2127,8 +2132,8 @@ int dw_mci_probe(struct dw_mci *host) else host->bus_hz = clk_get_rate(host->ciu_clk); - if (host->drv_data->setup_clock) { - ret = host->drv_data->setup_clock(host); + if (drv_data && drv_data->setup_clock) { + ret = drv_data->setup_clock(host); if (ret) { dev_err(host->dev, "implementation specific clock setup failed\n"); @@ -2228,6 +2233,21 @@ int dw_mci_probe(struct dw_mci *host) else host->num_slots = ((mci_readl(host, HCON) >> 1) & 0x1F) + 1; + /* + * Enable interrupts for command done, data over, data empty, card det, + * receive ready and error such as transmit, receive timeout, crc error + */ + mci_writel(host, RINTSTS, 0xFFFFFFFF); + mci_writel(host, INTMASK, SDMMC_INT_CMD_DONE | SDMMC_INT_DATA_OVER | + SDMMC_INT_TXDR | SDMMC_INT_RXDR | + DW_MCI_ERROR_FLAGS | SDMMC_INT_CD); + mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); /* Enable mci interrupt */ + + dev_info(host->dev, "DW MMC controller at irq %d, " + "%d bit host data width, " + "%u deep fifo\n", + host->irq, width, fifo_size); + /* We need at least one slot to succeed */ for (i = 0; i < host->num_slots; i++) { ret = dw_mci_init_slot(host, i); @@ -2257,20 +2277,6 @@ int dw_mci_probe(struct dw_mci *host) else host->data_offset = DATA_240A_OFFSET; - /* - * Enable interrupts for command done, data over, data empty, card det, - * receive ready and error such as transmit, receive timeout, crc error - */ - mci_writel(host, RINTSTS, 0xFFFFFFFF); - mci_writel(host, INTMASK, SDMMC_INT_CMD_DONE | SDMMC_INT_DATA_OVER | - SDMMC_INT_TXDR | SDMMC_INT_RXDR | - DW_MCI_ERROR_FLAGS | SDMMC_INT_CD); - mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); /* Enable mci interrupt */ - - dev_info(host->dev, "DW MMC controller at irq %d, " - "%d bit host data width, " - "%u deep fifo\n", - host->irq, width, fifo_size); if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO) dev_info(host->dev, "Internal DMAC interrupt fix enabled.\n"); diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index 565c2e4fac7..477f63bad52 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -41,7 +41,6 @@ #include <linux/platform_data/mmc-mxcmmc.h> #include <linux/platform_data/dma-imx.h> -#include <mach/hardware.h> #define DRIVER_NAME "mxc-mmc" #define MXCMCI_TIMEOUT_MS 10000 @@ -113,6 +112,11 @@ #define INT_WRITE_OP_DONE_EN (1 << 1) #define INT_READ_OP_EN (1 << 0) +enum mxcmci_type { + IMX21_MMC, + IMX31_MMC, +}; + struct mxcmci_host { struct mmc_host *mmc; struct resource *res; @@ -153,7 +157,26 @@ struct mxcmci_host { struct imx_dma_data dma_data; struct timer_list watchdog; + enum mxcmci_type devtype; +}; + +static struct platform_device_id mxcmci_devtype[] = { + { + .name = "imx21-mmc", + .driver_data = IMX21_MMC, + }, { + .name = "imx31-mmc", + .driver_data = IMX31_MMC, + }, { + /* sentinel */ + } }; +MODULE_DEVICE_TABLE(platform, mxcmci_devtype); + +static inline int is_imx31_mmc(struct mxcmci_host *host) +{ + return host->devtype == IMX31_MMC; +} static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios); @@ -843,6 +866,8 @@ static void mxcmci_enable_sdio_irq(struct mmc_host *mmc, int enable) static void mxcmci_init_card(struct mmc_host *host, struct mmc_card *card) { + struct mxcmci_host *mxcmci = mmc_priv(host); + /* * MX3 SoCs have a silicon bug which corrupts CRC calculation of * multi-block transfers when connected SDIO peripheral doesn't @@ -850,7 +875,7 @@ static void mxcmci_init_card(struct mmc_host *host, struct mmc_card *card) * One way to prevent this is to only allow 1-bit transfers. */ - if (cpu_is_mx3() && card->type == MMC_TYPE_SDIO) + if (is_imx31_mmc(mxcmci) && card->type == MMC_TYPE_SDIO) host->caps &= ~MMC_CAP_4_BIT_DATA; else host->caps |= MMC_CAP_4_BIT_DATA; @@ -948,6 +973,7 @@ static int mxcmci_probe(struct platform_device *pdev) host->mmc = mmc; host->pdata = pdev->dev.platform_data; + host->devtype = pdev->id_entry->driver_data; spin_lock_init(&host->lock); mxcmci_init_ocr(host); @@ -1120,6 +1146,7 @@ static const struct dev_pm_ops mxcmci_pm_ops = { static struct platform_driver mxcmci_driver = { .probe = mxcmci_probe, .remove = mxcmci_remove, + .id_table = mxcmci_devtype, .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, @@ -1134,4 +1161,4 @@ module_platform_driver(mxcmci_driver); MODULE_DESCRIPTION("i.MX Multimedia Card Interface Driver"); MODULE_AUTHOR("Sascha Hauer, Pengutronix"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:imx-mmc"); +MODULE_ALIAS("platform:mxc-mmc"); diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 54bfd0cc106..fedd258cc4e 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -178,7 +178,8 @@ struct omap_hsmmc_host { static int omap_hsmmc_card_detect(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; /* NOTE: assumes card detect signal is active-low */ return !gpio_get_value_cansleep(mmc->slots[0].switch_pin); @@ -186,7 +187,8 @@ static int omap_hsmmc_card_detect(struct device *dev, int slot) static int omap_hsmmc_get_wp(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; /* NOTE: assumes write protect signal is active-high */ return gpio_get_value_cansleep(mmc->slots[0].gpio_wp); @@ -194,7 +196,8 @@ static int omap_hsmmc_get_wp(struct device *dev, int slot) static int omap_hsmmc_get_cover_state(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; /* NOTE: assumes card detect signal is active-low */ return !gpio_get_value_cansleep(mmc->slots[0].switch_pin); @@ -204,7 +207,8 @@ static int omap_hsmmc_get_cover_state(struct device *dev, int slot) static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; disable_irq(mmc->slots[0].card_detect_irq); return 0; @@ -212,7 +216,8 @@ static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot) static int omap_hsmmc_resume_cdirq(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; enable_irq(mmc->slots[0].card_detect_irq); return 0; @@ -2009,9 +2014,9 @@ static int __devexit omap_hsmmc_remove(struct platform_device *pdev) clk_put(host->dbclk); } - mmc_free_host(host->mmc); + omap_hsmmc_gpio_free(host->pdata); iounmap(host->base); - omap_hsmmc_gpio_free(pdev->dev.platform_data); + mmc_free_host(host->mmc); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res) diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c index 90140eb03e3..8fd50a21103 100644 --- a/drivers/mmc/host/sdhci-dove.c +++ b/drivers/mmc/host/sdhci-dove.c @@ -19,6 +19,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/err.h> #include <linux/io.h> #include <linux/clk.h> #include <linux/err.h> @@ -84,30 +85,32 @@ static int __devinit sdhci_dove_probe(struct platform_device *pdev) struct sdhci_dove_priv *priv; int ret; - ret = sdhci_pltfm_register(pdev, &sdhci_dove_pdata); - if (ret) - goto sdhci_dove_register_fail; - priv = devm_kzalloc(&pdev->dev, sizeof(struct sdhci_dove_priv), GFP_KERNEL); if (!priv) { dev_err(&pdev->dev, "unable to allocate private data"); - ret = -ENOMEM; - goto sdhci_dove_allocate_fail; + return -ENOMEM; } + priv->clk = clk_get(&pdev->dev, NULL); + if (!IS_ERR(priv->clk)) + clk_prepare_enable(priv->clk); + + ret = sdhci_pltfm_register(pdev, &sdhci_dove_pdata); + if (ret) + goto sdhci_dove_register_fail; + host = platform_get_drvdata(pdev); pltfm_host = sdhci_priv(host); pltfm_host->priv = priv; - priv->clk = clk_get(&pdev->dev, NULL); - if (!IS_ERR(priv->clk)) - clk_prepare_enable(priv->clk); return 0; -sdhci_dove_allocate_fail: - sdhci_pltfm_unregister(pdev); sdhci_dove_register_fail: + if (!IS_ERR(priv->clk)) { + clk_disable_unprepare(priv->clk); + clk_put(priv->clk); + } return ret; } @@ -117,14 +120,13 @@ static int __devexit sdhci_dove_remove(struct platform_device *pdev) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_dove_priv *priv = pltfm_host->priv; - if (priv->clk) { - if (!IS_ERR(priv->clk)) { - clk_disable_unprepare(priv->clk); - clk_put(priv->clk); - } - devm_kfree(&pdev->dev, priv->clk); + sdhci_pltfm_unregister(pdev); + + if (!IS_ERR(priv->clk)) { + clk_disable_unprepare(priv->clk); + clk_put(priv->clk); } - return sdhci_pltfm_unregister(pdev); + return 0; } static const struct of_device_id sdhci_dove_of_match_table[] __devinitdata = { diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index ae5fcbfa1ee..63d219f57ca 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -169,6 +169,16 @@ static void esdhc_of_resume(struct sdhci_host *host) } #endif +static void esdhc_of_platform_init(struct sdhci_host *host) +{ + u32 vvn; + + vvn = in_be32(host->ioaddr + SDHCI_SLOT_INT_STATUS); + vvn = (vvn & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT; + if (vvn == VENDOR_V_22) + host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23; +} + static struct sdhci_ops sdhci_esdhc_ops = { .read_l = esdhc_readl, .read_w = esdhc_readw, @@ -180,6 +190,7 @@ static struct sdhci_ops sdhci_esdhc_ops = { .enable_dma = esdhc_of_enable_dma, .get_max_clock = esdhc_of_get_max_clock, .get_min_clock = esdhc_of_get_min_clock, + .platform_init = esdhc_of_platform_init, #ifdef CONFIG_PM .platform_suspend = esdhc_of_suspend, .platform_resume = esdhc_of_resume, diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 4bb74b042a0..04936f353ce 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -1196,7 +1196,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( return ERR_PTR(-ENODEV); } - if (pci_resource_len(pdev, bar) != 0x100) { + if (pci_resource_len(pdev, bar) < 0x100) { dev_err(&pdev->dev, "Invalid iomem size. You may " "experience problems.\n"); } diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 65551a9709c..27164457f86 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -150,6 +150,13 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev, goto err_remap; } + /* + * Some platforms need to probe the controller to be able to + * determine which caps should be used. + */ + if (host->ops && host->ops->platform_init) + host->ops->platform_init(host); + platform_set_drvdata(pdev, host); return host; diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 2903949594c..a54dd5d7a5f 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -211,8 +211,8 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock) if (ourhost->cur_clk != best_src) { struct clk *clk = ourhost->clk_bus[best_src]; - clk_enable(clk); - clk_disable(ourhost->clk_bus[ourhost->cur_clk]); + clk_prepare_enable(clk); + clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]); /* turn clock off to card before changing clock source */ writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL); @@ -607,7 +607,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) } /* enable the local io clock and keep it running for the moment. */ - clk_enable(sc->clk_io); + clk_prepare_enable(sc->clk_io); for (clks = 0, ptr = 0; ptr < MAX_BUS_CLK; ptr++) { struct clk *clk; @@ -638,7 +638,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) } #ifndef CONFIG_PM_RUNTIME - clk_enable(sc->clk_bus[sc->cur_clk]); + clk_prepare_enable(sc->clk_bus[sc->cur_clk]); #endif res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -747,13 +747,14 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) sdhci_s3c_setup_card_detect_gpio(sc); #ifdef CONFIG_PM_RUNTIME - clk_disable(sc->clk_io); + if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL) + clk_disable_unprepare(sc->clk_io); #endif return 0; err_req_regs: #ifndef CONFIG_PM_RUNTIME - clk_disable(sc->clk_bus[sc->cur_clk]); + clk_disable_unprepare(sc->clk_bus[sc->cur_clk]); #endif for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { if (sc->clk_bus[ptr]) { @@ -762,7 +763,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) } err_no_busclks: - clk_disable(sc->clk_io); + clk_disable_unprepare(sc->clk_io); clk_put(sc->clk_io); err_io_clk: @@ -794,7 +795,8 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) gpio_free(sc->ext_cd_gpio); #ifdef CONFIG_PM_RUNTIME - clk_enable(sc->clk_io); + if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL) + clk_prepare_enable(sc->clk_io); #endif sdhci_remove_host(host, 1); @@ -802,14 +804,14 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); #ifndef CONFIG_PM_RUNTIME - clk_disable(sc->clk_bus[sc->cur_clk]); + clk_disable_unprepare(sc->clk_bus[sc->cur_clk]); #endif for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { if (sc->clk_bus[ptr]) { clk_put(sc->clk_bus[ptr]); } } - clk_disable(sc->clk_io); + clk_disable_unprepare(sc->clk_io); clk_put(sc->clk_io); if (pdev->dev.of_node) { @@ -849,8 +851,8 @@ static int sdhci_s3c_runtime_suspend(struct device *dev) ret = sdhci_runtime_suspend_host(host); - clk_disable(ourhost->clk_bus[ourhost->cur_clk]); - clk_disable(busclk); + clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]); + clk_disable_unprepare(busclk); return ret; } @@ -861,8 +863,8 @@ static int sdhci_s3c_runtime_resume(struct device *dev) struct clk *busclk = ourhost->clk_io; int ret; - clk_enable(busclk); - clk_enable(ourhost->clk_bus[ourhost->cur_clk]); + clk_prepare_enable(busclk); + clk_prepare_enable(ourhost->clk_bus[ourhost->cur_clk]); ret = sdhci_runtime_resume_host(host); return ret; } diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 7922adb4238..c7851c0aabc 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1315,16 +1315,19 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq) */ if ((host->flags & SDHCI_NEEDS_RETUNING) && !(present_state & (SDHCI_DOING_WRITE | SDHCI_DOING_READ))) { - /* eMMC uses cmd21 while sd and sdio use cmd19 */ - tuning_opcode = mmc->card->type == MMC_TYPE_MMC ? - MMC_SEND_TUNING_BLOCK_HS200 : - MMC_SEND_TUNING_BLOCK; - spin_unlock_irqrestore(&host->lock, flags); - sdhci_execute_tuning(mmc, tuning_opcode); - spin_lock_irqsave(&host->lock, flags); - - /* Restore original mmc_request structure */ - host->mrq = mrq; + if (mmc->card) { + /* eMMC uses cmd21 but sd and sdio use cmd19 */ + tuning_opcode = + mmc->card->type == MMC_TYPE_MMC ? + MMC_SEND_TUNING_BLOCK_HS200 : + MMC_SEND_TUNING_BLOCK; + spin_unlock_irqrestore(&host->lock, flags); + sdhci_execute_tuning(mmc, tuning_opcode); + spin_lock_irqsave(&host->lock, flags); + + /* Restore original mmc_request structure */ + host->mrq = mrq; + } } if (mrq->sbc && !(host->flags & SDHCI_AUTO_CMD23)) @@ -2837,6 +2840,9 @@ int sdhci_add_host(struct sdhci_host *host) if (!(host->quirks & SDHCI_QUIRK_FORCE_1_BIT_DATA)) mmc->caps |= MMC_CAP_4_BIT_DATA; + if (host->quirks2 & SDHCI_QUIRK2_HOST_NO_CMD23) + mmc->caps &= ~MMC_CAP_CMD23; + if (caps[0] & SDHCI_CAN_DO_HISPD) mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED; @@ -2846,9 +2852,12 @@ int sdhci_add_host(struct sdhci_host *host) /* If vqmmc regulator and no 1.8V signalling, then there's no UHS */ host->vqmmc = regulator_get(mmc_dev(mmc), "vqmmc"); - if (IS_ERR(host->vqmmc)) { - pr_info("%s: no vqmmc regulator found\n", mmc_hostname(mmc)); - host->vqmmc = NULL; + if (IS_ERR_OR_NULL(host->vqmmc)) { + if (PTR_ERR(host->vqmmc) < 0) { + pr_info("%s: no vqmmc regulator found\n", + mmc_hostname(mmc)); + host->vqmmc = NULL; + } } else if (regulator_is_supported_voltage(host->vqmmc, 1800000, 1800000)) regulator_enable(host->vqmmc); @@ -2904,9 +2913,12 @@ int sdhci_add_host(struct sdhci_host *host) ocr_avail = 0; host->vmmc = regulator_get(mmc_dev(mmc), "vmmc"); - if (IS_ERR(host->vmmc)) { - pr_info("%s: no vmmc regulator found\n", mmc_hostname(mmc)); - host->vmmc = NULL; + if (IS_ERR_OR_NULL(host->vmmc)) { + if (PTR_ERR(host->vmmc) < 0) { + pr_info("%s: no vmmc regulator found\n", + mmc_hostname(mmc)); + host->vmmc = NULL; + } } else regulator_enable(host->vmmc); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 97653ea8942..71a4a7ed46c 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -278,6 +278,7 @@ struct sdhci_ops { void (*hw_reset)(struct sdhci_host *host); void (*platform_suspend)(struct sdhci_host *host); void (*platform_resume)(struct sdhci_host *host); + void (*platform_init)(struct sdhci_host *host); }; #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 11d2bc3b51d..d25bc97dc5c 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -1466,9 +1466,9 @@ static int __devexit sh_mmcif_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); + clk_disable(host->hclk); mmc_free_host(host->mmc); pm_runtime_put_sync(&pdev->dev); - clk_disable(host->hclk); pm_runtime_disable(&pdev->dev); return 0; diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 72e31d86030..022dcdc256f 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -37,15 +37,9 @@ #include <asm/mach/flash.h> #include <linux/platform_data/mtd-mxc_nand.h> -#include <mach/hardware.h> #define DRIVER_NAME "mxc_nand" -#define nfc_is_v21() (cpu_is_mx25() || cpu_is_mx35()) -#define nfc_is_v1() (cpu_is_mx31() || cpu_is_mx27() || cpu_is_mx21()) -#define nfc_is_v3_2a() cpu_is_mx51() -#define nfc_is_v3_2b() cpu_is_mx53() - /* Addresses for NFC registers */ #define NFC_V1_V2_BUF_SIZE (host->regs + 0x00) #define NFC_V1_V2_BUF_ADDR (host->regs + 0x04) @@ -1283,6 +1277,53 @@ static const struct mxc_nand_devtype_data imx53_nand_devtype_data = { .ppb_shift = 8, }; +static inline int is_imx21_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx21_nand_devtype_data; +} + +static inline int is_imx27_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx27_nand_devtype_data; +} + +static inline int is_imx25_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx25_nand_devtype_data; +} + +static inline int is_imx51_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx51_nand_devtype_data; +} + +static inline int is_imx53_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx53_nand_devtype_data; +} + +static struct platform_device_id mxcnd_devtype[] = { + { + .name = "imx21-nand", + .driver_data = (kernel_ulong_t) &imx21_nand_devtype_data, + }, { + .name = "imx27-nand", + .driver_data = (kernel_ulong_t) &imx27_nand_devtype_data, + }, { + .name = "imx25-nand", + .driver_data = (kernel_ulong_t) &imx25_nand_devtype_data, + }, { + .name = "imx51-nand", + .driver_data = (kernel_ulong_t) &imx51_nand_devtype_data, + }, { + .name = "imx53-nand", + .driver_data = (kernel_ulong_t) &imx53_nand_devtype_data, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, mxcnd_devtype); + #ifdef CONFIG_OF_MTD static const struct of_device_id mxcnd_dt_ids[] = { { @@ -1337,32 +1378,6 @@ static int __init mxcnd_probe_dt(struct mxc_nand_host *host) } #endif -static int __init mxcnd_probe_pdata(struct mxc_nand_host *host) -{ - struct mxc_nand_platform_data *pdata = host->dev->platform_data; - - if (!pdata) - return -ENODEV; - - host->pdata = *pdata; - - if (nfc_is_v1()) { - if (cpu_is_mx21()) - host->devtype_data = &imx21_nand_devtype_data; - else - host->devtype_data = &imx27_nand_devtype_data; - } else if (nfc_is_v21()) { - host->devtype_data = &imx25_nand_devtype_data; - } else if (nfc_is_v3_2a()) { - host->devtype_data = &imx51_nand_devtype_data; - } else if (nfc_is_v3_2b()) { - host->devtype_data = &imx53_nand_devtype_data; - } else - BUG(); - - return 0; -} - static int __devinit mxcnd_probe(struct platform_device *pdev) { struct nand_chip *this; @@ -1404,8 +1419,16 @@ static int __devinit mxcnd_probe(struct platform_device *pdev) return PTR_ERR(host->clk); err = mxcnd_probe_dt(host); - if (err > 0) - err = mxcnd_probe_pdata(host); + if (err > 0) { + struct mxc_nand_platform_data *pdata = pdev->dev.platform_data; + if (pdata) { + host->pdata = *pdata; + host->devtype_data = (struct mxc_nand_devtype_data *) + pdev->id_entry->driver_data; + } else { + err = -ENODEV; + } + } if (err < 0) return err; @@ -1494,7 +1517,7 @@ static int __devinit mxcnd_probe(struct platform_device *pdev) } /* first scan to find the device and get the page size */ - if (nand_scan_ident(mtd, nfc_is_v21() ? 4 : 1, NULL)) { + if (nand_scan_ident(mtd, is_imx25_nfc(host) ? 4 : 1, NULL)) { err = -ENXIO; goto escan; } @@ -1508,7 +1531,7 @@ static int __devinit mxcnd_probe(struct platform_device *pdev) this->ecc.layout = host->devtype_data->ecclayout_4k; if (this->ecc.mode == NAND_ECC_HW) { - if (nfc_is_v1()) + if (is_imx21_nfc(host) || is_imx27_nfc(host)) this->ecc.strength = 1; else this->ecc.strength = (host->eccsize == 4) ? 4 : 8; @@ -1555,6 +1578,7 @@ static struct platform_driver mxcnd_driver = { .owner = THIS_MODULE, .of_match_table = of_match_ptr(mxcnd_dt_ids), }, + .id_table = mxcnd_devtype, .probe = mxcnd_probe, .remove = __devexit_p(mxcnd_remove), }; diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index dc15d248443..ef8d2a080d1 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1060,7 +1060,7 @@ static ssize_t bonding_store_primary(struct device *d, goto out; } - sscanf(buf, "%16s", ifname); /* IFNAMSIZ */ + sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ /* check to see if we are clearing primary */ if (!strlen(ifname) || buf[0] == '\n') { @@ -1237,7 +1237,7 @@ static ssize_t bonding_store_active_slave(struct device *d, goto out; } - sscanf(buf, "%16s", ifname); /* IFNAMSIZ */ + sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ /* check to see if we are clearing active */ if (!strlen(ifname) || buf[0] == '\n') { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index c65295dded3..6e5bdd1a31d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -1702,7 +1702,7 @@ static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata) SHMEM_EEE_ADV_STATUS_SHIFT); if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) { DP(BNX2X_MSG_ETHTOOL, - "Direct manipulation of EEE advertisment is not supported\n"); + "Direct manipulation of EEE advertisement is not supported\n"); return -EINVAL; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index e2e45ee5df3..f6cfdc6cf20 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -137,7 +137,16 @@ #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD - +#define LINK_UPDATE_MASK \ + (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \ + LINK_STATUS_LINK_UP | \ + LINK_STATUS_PHYSICAL_LINK_FLAG | \ + LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \ + LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \ + LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \ + LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \ + LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \ + LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE) #define SFP_EEPROM_CON_TYPE_ADDR 0x2 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7 @@ -3295,6 +3304,21 @@ static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port) DEFAULT_PHY_DEV_ADDR); } +static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy, + struct link_params *params, + u32 action) +{ + struct bnx2x *bp = params->bp; + switch (action) { + case PHY_INIT: + /* Set correct devad */ + REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0); + REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18, + phy->def_md_devad); + break; + } +} + static void bnx2x_xgxs_deassert(struct link_params *params) { struct bnx2x *bp = params->bp; @@ -3309,10 +3333,8 @@ static void bnx2x_xgxs_deassert(struct link_params *params) REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); udelay(500); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); - - REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0); - REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, - params->phy[INT_PHY].def_md_devad); + bnx2x_xgxs_specific_func(¶ms->phy[INT_PHY], params, + PHY_INIT); } static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, @@ -3545,14 +3567,11 @@ static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy, static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { - u16 val16 = 0, lane, i; + u16 lane, i, cl72_ctrl, an_adv = 0; + u16 ucode_ver; struct bnx2x *bp = params->bp; static struct bnx2x_reg_set reg_set[] = { {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, - {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff}, - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555}, {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0}, {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415}, {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190}, @@ -3565,12 +3584,19 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, reg_set[i].val); + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl); + cl72_ctrl &= 0xf8ff; + cl72_ctrl |= 0x3800; + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl); + /* Check adding advertisement for 1G KX */ if (((vars->line_speed == SPEED_AUTO_NEG) && (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || (vars->line_speed == SPEED_1000)) { u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2; - val16 |= (1<<5); + an_adv |= (1<<5); /* Enable CL37 1G Parallel Detect */ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1); @@ -3580,11 +3606,14 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || (vars->line_speed == SPEED_10000)) { /* Check adding advertisement for 10G KR */ - val16 |= (1<<7); + an_adv |= (1<<7); /* Enable 10G Parallel Detect */ + CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, + MDIO_AER_BLOCK_AER_REG, 0); + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 1); - + bnx2x_set_aer_mmd(params, phy); DP(NETIF_MSG_LINK, "Advertize 10G\n"); } @@ -3604,7 +3633,7 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, /* Advertised speeds */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, - MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16); + MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv); /* Advertised and set FEC (Forward Error Correction) */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, @@ -3628,9 +3657,10 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, /* Set KR Autoneg Work-Around flag for Warpcore version older than D108 */ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, - MDIO_WC_REG_UC_INFO_B1_VERSION, &val16); - if (val16 < 0xd108) { - DP(NETIF_MSG_LINK, "Enable AN KR work-around\n"); + MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver); + if (ucode_ver < 0xd108) { + DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n", + ucode_ver); vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; } bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, @@ -3651,21 +3681,16 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy, struct link_vars *vars) { struct bnx2x *bp = params->bp; - u16 i; + u16 val16, i, lane; static struct bnx2x_reg_set reg_set[] = { /* Disable Autoneg */ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, - {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00}, {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0}, {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0}, {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1}, {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa}, - /* Disable CL36 PCS Tx */ - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0}, - /* Double Wide Single Data Rate @ pll rate */ - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF}, /* Leave cl72 training enable, needed for KR */ {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150, @@ -3676,11 +3701,24 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, reg_set[i].val); - /* Leave CL72 enabled */ - bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, - MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, - 0x3800); + lane = bnx2x_get_warpcore_lane(phy, params); + /* Global registers */ + CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, + MDIO_AER_BLOCK_AER_REG, 0); + /* Disable CL36 PCS Tx */ + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); + val16 &= ~(0x0011 << lane); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); + val16 |= (0x0303 << (lane << 1)); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); + /* Restore AER */ + bnx2x_set_aer_mmd(params, phy); /* Set speed via PMA/PMD register */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040); @@ -4303,7 +4341,7 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; - u16 val16; + u16 val16, lane; bnx2x_sfp_e3_set_transmitter(params, phy, 0); bnx2x_set_mdio_clk(bp, params->chip_id, params->port); bnx2x_set_aer_mmd(params, phy); @@ -4340,6 +4378,30 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy, MDIO_WC_REG_XGXSBLK1_LANECTRL2, val16 & 0xff00); + lane = bnx2x_get_warpcore_lane(phy, params); + /* Disable CL36 PCS Tx */ + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); + val16 |= (0x11 << lane); + if (phy->flags & FLAGS_WC_DUAL_MODE) + val16 |= (0x22 << lane); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); + + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); + val16 &= ~(0x0303 << (lane << 1)); + val16 |= (0x0101 << (lane << 1)); + if (phy->flags & FLAGS_WC_DUAL_MODE) { + val16 &= ~(0x0c0c << (lane << 1)); + val16 |= (0x0404 << (lane << 1)); + } + + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); + /* Restore AER */ + bnx2x_set_aer_mmd(params, phy); + } static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy, @@ -6296,15 +6358,7 @@ static int bnx2x_update_link_down(struct link_params *params, vars->mac_type = MAC_TYPE_NONE; /* Update shared memory */ - vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK | - LINK_STATUS_LINK_UP | - LINK_STATUS_PHYSICAL_LINK_FLAG | - LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | - LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | - LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | - LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | - LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | - LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE); + vars->link_status &= ~LINK_UPDATE_MASK; vars->line_speed = 0; bnx2x_update_mng(params, vars->link_status); @@ -6452,6 +6506,7 @@ int bnx2x_link_update(struct link_params *params, struct link_vars *vars) u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; u8 active_external_phy = INT_PHY; vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG; + vars->link_status &= ~LINK_UPDATE_MASK; for (phy_index = INT_PHY; phy_index < params->num_phys; phy_index++) { phy_vars[phy_index].flow_ctrl = 0; @@ -7579,7 +7634,7 @@ static void bnx2x_warpcore_power_module(struct link_params *params, static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy, struct link_params *params, u16 addr, u8 byte_cnt, - u8 *o_buf) + u8 *o_buf, u8 is_init) { int rc = 0; u8 i, j = 0, cnt = 0; @@ -7596,10 +7651,10 @@ static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy, /* 4 byte aligned address */ addr32 = addr & (~0x3); do { - if (cnt == I2C_WA_PWR_ITER) { + if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) { bnx2x_warpcore_power_module(params, phy, 0); /* Note that 100us are not enough here */ - usleep_range(1000,1000); + usleep_range(1000, 2000); bnx2x_warpcore_power_module(params, phy, 1); } rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt, @@ -7719,7 +7774,7 @@ int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr, - byte_cnt, o_buf); + byte_cnt, o_buf, 0); break; } return rc; @@ -7923,6 +7978,7 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, { u8 val; + int rc; struct bnx2x *bp = params->bp; u16 timeout; /* Initialization time after hot-plug may take up to 300ms for @@ -7930,8 +7986,14 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, */ for (timeout = 0; timeout < 60; timeout++) { - if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val) - == 0) { + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) + rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, + params, 1, + 1, &val, 1); + else + rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, + &val); + if (rc == 0) { DP(NETIF_MSG_LINK, "SFP+ module initialization took %d ms\n", timeout * 5); @@ -7939,7 +8001,8 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, } usleep_range(5000, 10000); } - return -EINVAL; + rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val); + return rc; } static void bnx2x_8727_power_module(struct bnx2x *bp, @@ -9878,7 +9941,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, else rc = bnx2x_8483x_disable_eee(phy, params, vars); if (rc) { - DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n"); + DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n"); return rc; } } else { @@ -10993,7 +11056,7 @@ static struct bnx2x_phy phy_xgxs = { .format_fw_ver = (format_fw_ver_t)NULL, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, - .phy_specific_func = (phy_specific_func_t)NULL + .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func }; static struct bnx2x_phy phy_warpcore = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, @@ -11465,6 +11528,11 @@ static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, phy->media_type = ETH_PHY_BASE_T; break; case PORT_HW_CFG_NET_SERDES_IF_XFI: + phy->supported &= (SUPPORTED_1000baseT_Full | + SUPPORTED_10000baseT_Full | + SUPPORTED_FIBRE | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); phy->media_type = ETH_PHY_XFP_FIBER; break; case PORT_HW_CFG_NET_SERDES_IF_SFI: @@ -12919,7 +12987,7 @@ static u8 bnx2x_analyze_link_error(struct link_params *params, DP(NETIF_MSG_LINK, "Analyze TX Fault\n"); break; default: - DP(NETIF_MSG_LINK, "Analyze UNKOWN\n"); + DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n"); } DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up, old_status, status); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index d5648fc666b..bd1fd3d87c2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -6794,8 +6794,9 @@ static int bnx2x_init_hw_port(struct bnx2x *bp) bnx2x_init_block(bp, BLOCK_DORQ, init_phase); + bnx2x_init_block(bp, BLOCK_BRB1, init_phase); + if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) { - bnx2x_init_block(bp, BLOCK_BRB1, init_phase); if (IS_MF(bp)) low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246); @@ -11902,7 +11903,15 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, /* disable FCOE L2 queue for E1x */ if (CHIP_IS_E1x(bp)) bp->flags |= NO_FCOE_FLAG; - + /* disable FCOE for 57840 device, until FW supports it */ + switch (ent->driver_data) { + case BCM57840_O: + case BCM57840_4_10: + case BCM57840_2_20: + case BCM57840_MFO: + case BCM57840_MF: + bp->flags |= NO_FCOE_FLAG; + } #endif diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index c1cde11b0c6..0df1284df49 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3416,16 +3416,6 @@ static int adap_init0_config(struct adapter *adapter, int reset) finicsum, cfcsum); /* - * If we're a pure NIC driver then disable all offloading facilities. - * This will allow the firmware to optimize aspects of the hardware - * configuration which will result in improved performance. - */ - caps_cmd.ofldcaps = 0; - caps_cmd.iscsicaps = 0; - caps_cmd.rdmacaps = 0; - caps_cmd.fcoecaps = 0; - - /* * And now tell the firmware to use the configuration we just loaded. */ caps_cmd.op_to_write = diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 32eec15fe4c..730ae2cfa49 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -2519,6 +2519,7 @@ int t4_fw_bye(struct adapter *adap, unsigned int mbox) { struct fw_bye_cmd c; + memset(&c, 0, sizeof(c)); INIT_CMD(c, BYE, WRITE); return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); } @@ -2535,6 +2536,7 @@ int t4_early_init(struct adapter *adap, unsigned int mbox) { struct fw_initialize_cmd c; + memset(&c, 0, sizeof(c)); INIT_CMD(c, INITIALIZE, WRITE); return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); } @@ -2551,6 +2553,7 @@ int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset) { struct fw_reset_cmd c; + memset(&c, 0, sizeof(c)); INIT_CMD(c, RESET, WRITE); c.val = htonl(reset); return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); @@ -2828,7 +2831,7 @@ int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, HOSTPAGESIZEPF7(sge_hps)); t4_set_reg_field(adap, SGE_CONTROL, - INGPADBOUNDARY(INGPADBOUNDARY_MASK) | + INGPADBOUNDARY_MASK | EGRSTATUSPAGESIZE_MASK, INGPADBOUNDARY(fl_align_log - 5) | EGRSTATUSPAGESIZE(stat_len != 64)); @@ -3278,6 +3281,7 @@ int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, { struct fw_vi_enable_cmd c; + memset(&c, 0, sizeof(c)); c.op_to_viid = htonl(FW_CMD_OP(FW_VI_ENABLE_CMD) | FW_CMD_REQUEST | FW_CMD_EXEC | FW_VI_ENABLE_CMD_VIID(viid)); c.ien_to_len16 = htonl(FW_VI_ENABLE_CMD_LED | FW_LEN16(c)); diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 1d03dcdd5e5..19ac096cb07 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -1353,8 +1353,11 @@ static int gfar_restore(struct device *dev) struct gfar_private *priv = dev_get_drvdata(dev); struct net_device *ndev = priv->ndev; - if (!netif_running(ndev)) + if (!netif_running(ndev)) { + netif_device_attach(ndev); + return 0; + } gfar_init_bds(ndev); init_registers(ndev); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 56b20d17d0e..116f0e901be 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -2673,6 +2673,9 @@ static int ixgbe_get_ts_info(struct net_device *dev, case ixgbe_mac_X540: case ixgbe_mac_82599EB: info->so_timestamping = + SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index f8064df10cc..92317e9c0f7 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -1948,10 +1948,10 @@ jme_close(struct net_device *netdev) JME_NAPI_DISABLE(jme); - tasklet_disable(&jme->linkch_task); - tasklet_disable(&jme->txclean_task); - tasklet_disable(&jme->rxclean_task); - tasklet_disable(&jme->rxempty_task); + tasklet_kill(&jme->linkch_task); + tasklet_kill(&jme->txclean_task); + tasklet_kill(&jme->rxclean_task); + tasklet_kill(&jme->rxempty_task); jme_disable_rx_engine(jme); jme_disable_tx_engine(jme); diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index 9b9c2ac5c4c..d19a143aa5a 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -4026,7 +4026,7 @@ static void __devexit skge_remove(struct pci_dev *pdev) dev0 = hw->dev[0]; unregister_netdev(dev0); - tasklet_disable(&hw->phy_task); + tasklet_kill(&hw->phy_task); spin_lock_irq(&hw->hw_lock); hw->intr_mask = 0; diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index 318fee91c79..e558edd1cb6 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -5407,8 +5407,8 @@ static int netdev_close(struct net_device *dev) /* Delay for receive task to stop scheduling itself. */ msleep(2000 / HZ); - tasklet_disable(&hw_priv->rx_tasklet); - tasklet_disable(&hw_priv->tx_tasklet); + tasklet_kill(&hw_priv->rx_tasklet); + tasklet_kill(&hw_priv->tx_tasklet); free_irq(dev->irq, hw_priv->dev); transmit_cleanup(hw_priv, 0); diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 53743f7a2ca..af8b4142088 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev) pldat->dma_buff_base_p); free_irq(ndev->irq, ndev); iounmap(pldat->net_base); + mdiobus_unregister(pldat->mii_bus); mdiobus_free(pldat->mii_bus); clk_disable(pldat->clk); clk_put(pldat->clk); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index e7ff886e804..927aa33d434 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -3827,6 +3827,8 @@ static void rtl_wol_suspend_quirk(struct rtl8169_private *tp) void __iomem *ioaddr = tp->mmio_addr; switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_25: + case RTL_GIGA_MAC_VER_26: case RTL_GIGA_MAC_VER_29: case RTL_GIGA_MAC_VER_30: case RTL_GIGA_MAC_VER_32: @@ -4519,6 +4521,9 @@ static void rtl_set_rx_mode(struct net_device *dev) mc_filter[1] = swab32(data); } + if (tp->mac_version == RTL_GIGA_MAC_VER_35) + mc_filter[1] = mc_filter[0] = 0xffffffff; + RTL_W32(MAR0 + 4, mc_filter[1]); RTL_W32(MAR0 + 0, mc_filter[0]); diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 0793299bd39..1d04754a663 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -990,7 +990,7 @@ static int axienet_stop(struct net_device *ndev) axienet_setoptions(ndev, lp->options & ~(XAE_OPTION_TXEN | XAE_OPTION_RXEN)); - tasklet_disable(&lp->dma_err_tasklet); + tasklet_kill(&lp->dma_err_tasklet); free_irq(lp->tx_irq, ndev); free_irq(lp->rx_irq, ndev); diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c index daec9b05d16..6428fcbbdd4 100644 --- a/drivers/net/phy/mdio-bitbang.c +++ b/drivers/net/phy/mdio-bitbang.c @@ -234,6 +234,7 @@ void free_mdio_bitbang(struct mii_bus *bus) struct mdiobb_ctrl *ctrl = bus->priv; module_put(ctrl->ops->owner); + mdiobus_unregister(bus); mdiobus_free(bus); } EXPORT_SYMBOL(free_mdio_bitbang); diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index c81e278629f..08d55b6bf27 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -31,6 +31,7 @@ #include <linux/usb/cdc.h> #include <linux/usb/usbnet.h> #include <linux/gfp.h> +#include <linux/if_vlan.h> /* @@ -92,7 +93,7 @@ static int eem_bind(struct usbnet *dev, struct usb_interface *intf) /* no jumbogram (16K) support for now */ - dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN; + dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN + VLAN_HLEN; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; return 0; diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 7479a5761d0..3286166415b 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1344,6 +1344,7 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev, } else { u32 csum_preamble = smsc95xx_calc_csum_preamble(skb); skb_push(skb, 4); + cpu_to_le32s(&csum_preamble); memcpy(skb->data, &csum_preamble, 4); } } diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index cb04f900cc4..edb81ed0695 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -359,10 +359,12 @@ static enum skb_state defer_bh(struct usbnet *dev, struct sk_buff *skb, void usbnet_defer_kevent (struct usbnet *dev, int work) { set_bit (work, &dev->flags); - if (!schedule_work (&dev->kevent)) - netdev_err(dev->net, "kevent %d may have been dropped\n", work); - else + if (!schedule_work (&dev->kevent)) { + if (net_ratelimit()) + netdev_err(dev->net, "kevent %d may have been dropped\n", work); + } else { netdev_dbg(dev->net, "kevent %d scheduled\n", work); + } } EXPORT_SYMBOL_GPL(usbnet_defer_kevent); diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index ce9d4f2c977..0ae1bcc6da7 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -744,28 +744,43 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx, for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; + u32 buf_size; - tbi = tq->buf_info + tq->tx_ring.next2fill; - tbi->map_type = VMXNET3_MAP_PAGE; - tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag, - 0, skb_frag_size(frag), - DMA_TO_DEVICE); + buf_offset = 0; + len = skb_frag_size(frag); + while (len) { + tbi = tq->buf_info + tq->tx_ring.next2fill; + if (len < VMXNET3_MAX_TX_BUF_SIZE) { + buf_size = len; + dw2 |= len; + } else { + buf_size = VMXNET3_MAX_TX_BUF_SIZE; + /* spec says that for TxDesc.len, 0 == 2^14 */ + } + tbi->map_type = VMXNET3_MAP_PAGE; + tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag, + buf_offset, buf_size, + DMA_TO_DEVICE); - tbi->len = skb_frag_size(frag); + tbi->len = buf_size; - gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; - BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); + gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; + BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); - gdesc->txd.addr = cpu_to_le64(tbi->dma_addr); - gdesc->dword[2] = cpu_to_le32(dw2 | skb_frag_size(frag)); - gdesc->dword[3] = 0; + gdesc->txd.addr = cpu_to_le64(tbi->dma_addr); + gdesc->dword[2] = cpu_to_le32(dw2); + gdesc->dword[3] = 0; - dev_dbg(&adapter->netdev->dev, - "txd[%u]: 0x%llu %u %u\n", - tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr), - le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]); - vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); - dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; + dev_dbg(&adapter->netdev->dev, + "txd[%u]: 0x%llu %u %u\n", + tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr), + le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]); + vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); + dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; + + len -= buf_size; + buf_offset += buf_size; + } } ctx->eop_txd = gdesc; @@ -886,6 +901,18 @@ vmxnet3_prepare_tso(struct sk_buff *skb, } } +static int txd_estimate(const struct sk_buff *skb) +{ + int count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + 1; + int i; + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; + + count += VMXNET3_TXD_NEEDED(skb_frag_size(frag)); + } + return count; +} /* * Transmits a pkt thru a given tq @@ -914,9 +941,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, union Vmxnet3_GenericDesc tempTxDesc; #endif - /* conservatively estimate # of descriptors to use */ - count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + - skb_shinfo(skb)->nr_frags + 1; + count = txd_estimate(skb); ctx.ipv4 = (vlan_get_protocol(skb) == cpu_to_be16(ETH_P_IP)); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 607976c0016..7b4adde93c0 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -816,7 +816,7 @@ static void vxlan_cleanup(unsigned long arg) = container_of(p, struct vxlan_fdb, hlist); unsigned long timeout; - if (f->state == NUD_PERMANENT) + if (f->state & NUD_PERMANENT) continue; timeout = f->used + vxlan->age_interval * HZ; diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 378bd70256b..741918a2027 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -312,6 +312,7 @@ static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc) } bf = list_first_entry(&sc->tx.txbuf, struct ath_buf, list); + bf->bf_next = NULL; list_del(&bf->list); spin_unlock_bh(&sc->tx.txbuflock); @@ -393,7 +394,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first; u32 ba[WME_BA_BMP_SIZE >> 5]; int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0; - bool rc_update = true; + bool rc_update = true, isba; struct ieee80211_tx_rate rates[4]; struct ath_frame_info *fi; int nframes; @@ -437,13 +438,17 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; tid = ATH_AN_2_TID(an, tidno); seq_first = tid->seq_start; + isba = ts->ts_flags & ATH9K_TX_BA; /* * The hardware occasionally sends a tx status for the wrong TID. * In this case, the BA status cannot be considered valid and all * subframes need to be retransmitted + * + * Only BlockAcks have a TID and therefore normal Acks cannot be + * checked */ - if (tidno != ts->tid) + if (isba && tidno != ts->tid) txok = false; isaggr = bf_isaggr(bf); @@ -1774,6 +1779,7 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq, list_add_tail(&bf->list, &bf_head); bf->bf_state.bf_type = 0; + bf->bf_next = NULL; bf->bf_lastbf = bf; ath_tx_fill_desc(sc, bf, txq, fi->framelen); ath_tx_txqaddbuf(sc, txq, &bf_head, false); diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c index 192251adf98..282eedec675 100644 --- a/drivers/net/wireless/b43legacy/pio.c +++ b/drivers/net/wireless/b43legacy/pio.c @@ -382,7 +382,7 @@ static void cancel_transfers(struct b43legacy_pioqueue *queue) { struct b43legacy_pio_txpacket *packet, *tmp_packet; - tasklet_disable(&queue->txtask); + tasklet_kill(&queue->txtask); list_for_each_entry_safe(packet, tmp_packet, &queue->txrunning, list) free_txpacket(packet, 0); diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 01dc8891070..59474ae0aec 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2449,7 +2449,7 @@ static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev) /* * Check if temperature compensation is supported. */ - if (tssi_bounds[4] == 0xff) + if (tssi_bounds[4] == 0xff || step == 0xff) return 0; /* diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 6241fd05bd4..a543746fb35 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -320,10 +320,7 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *), } else next = dev->bus_list.next; - /* Run device routines with the device locked */ - device_lock(&dev->dev); retval = cb(dev, userdata); - device_unlock(&dev->dev); if (retval) break; } diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 94c6e2aa03d..6c94fc9489e 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -398,6 +398,8 @@ static void pci_device_shutdown(struct device *dev) struct pci_dev *pci_dev = to_pci_dev(dev); struct pci_driver *drv = pci_dev->driver; + pm_runtime_resume(dev); + if (drv && drv->shutdown) drv->shutdown(pci_dev); pci_msi_shutdown(pci_dev); @@ -408,16 +410,6 @@ static void pci_device_shutdown(struct device *dev) * continue to do DMA */ pci_disable_device(pci_dev); - - /* - * Devices may be enabled to wake up by runtime PM, but they need not - * be supposed to wake up the system from its "power off" state (e.g. - * ACPI S5). Therefore disable wakeup for all devices that aren't - * supposed to wake up the system at this point. The state argument - * will be ignored by pci_enable_wake(). - */ - if (!device_may_wakeup(dev)) - pci_enable_wake(pci_dev, PCI_UNKNOWN, false); } #ifdef CONFIG_PM diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 02d107b1528..f39378d9da1 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -458,40 +458,6 @@ boot_vga_show(struct device *dev, struct device_attribute *attr, char *buf) } struct device_attribute vga_attr = __ATTR_RO(boot_vga); -static void -pci_config_pm_runtime_get(struct pci_dev *pdev) -{ - struct device *dev = &pdev->dev; - struct device *parent = dev->parent; - - if (parent) - pm_runtime_get_sync(parent); - pm_runtime_get_noresume(dev); - /* - * pdev->current_state is set to PCI_D3cold during suspending, - * so wait until suspending completes - */ - pm_runtime_barrier(dev); - /* - * Only need to resume devices in D3cold, because config - * registers are still accessible for devices suspended but - * not in D3cold. - */ - if (pdev->current_state == PCI_D3cold) - pm_runtime_resume(dev); -} - -static void -pci_config_pm_runtime_put(struct pci_dev *pdev) -{ - struct device *dev = &pdev->dev; - struct device *parent = dev->parent; - - pm_runtime_put(dev); - if (parent) - pm_runtime_put_sync(parent); -} - static ssize_t pci_read_config(struct file *filp, struct kobject *kobj, struct bin_attribute *bin_attr, diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 54858838f09..aabf64798bd 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1858,6 +1858,38 @@ bool pci_dev_run_wake(struct pci_dev *dev) } EXPORT_SYMBOL_GPL(pci_dev_run_wake); +void pci_config_pm_runtime_get(struct pci_dev *pdev) +{ + struct device *dev = &pdev->dev; + struct device *parent = dev->parent; + + if (parent) + pm_runtime_get_sync(parent); + pm_runtime_get_noresume(dev); + /* + * pdev->current_state is set to PCI_D3cold during suspending, + * so wait until suspending completes + */ + pm_runtime_barrier(dev); + /* + * Only need to resume devices in D3cold, because config + * registers are still accessible for devices suspended but + * not in D3cold. + */ + if (pdev->current_state == PCI_D3cold) + pm_runtime_resume(dev); +} + +void pci_config_pm_runtime_put(struct pci_dev *pdev) +{ + struct device *dev = &pdev->dev; + struct device *parent = dev->parent; + + pm_runtime_put(dev); + if (parent) + pm_runtime_put_sync(parent); +} + /** * pci_pm_init - Initialize PM functions of given PCI device * @dev: PCI device to handle. diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index bacbcba69cf..fd92aab9904 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -72,6 +72,8 @@ extern void pci_disable_enabled_device(struct pci_dev *dev); extern int pci_finish_runtime_suspend(struct pci_dev *dev); extern int __pci_pme_wakeup(struct pci_dev *dev, void *ign); extern void pci_wakeup_bus(struct pci_bus *bus); +extern void pci_config_pm_runtime_get(struct pci_dev *dev); +extern void pci_config_pm_runtime_put(struct pci_dev *dev); extern void pci_pm_init(struct pci_dev *dev); extern void platform_pci_wakeup_init(struct pci_dev *dev); extern void pci_allocate_cap_save_buffers(struct pci_dev *dev); diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 06bad96af41..af4e31cd3a3 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -213,6 +213,7 @@ static int report_error_detected(struct pci_dev *dev, void *data) struct aer_broadcast_data *result_data; result_data = (struct aer_broadcast_data *) data; + device_lock(&dev->dev); dev->error_state = result_data->state; if (!dev->driver || @@ -231,12 +232,14 @@ static int report_error_detected(struct pci_dev *dev, void *data) dev->driver ? "no AER-aware driver" : "no driver"); } - return 0; + goto out; } err_handler = dev->driver->err_handler; vote = err_handler->error_detected(dev, result_data->state); result_data->result = merge_result(result_data->result, vote); +out: + device_unlock(&dev->dev); return 0; } @@ -247,14 +250,17 @@ static int report_mmio_enabled(struct pci_dev *dev, void *data) struct aer_broadcast_data *result_data; result_data = (struct aer_broadcast_data *) data; + device_lock(&dev->dev); if (!dev->driver || !dev->driver->err_handler || !dev->driver->err_handler->mmio_enabled) - return 0; + goto out; err_handler = dev->driver->err_handler; vote = err_handler->mmio_enabled(dev); result_data->result = merge_result(result_data->result, vote); +out: + device_unlock(&dev->dev); return 0; } @@ -265,14 +271,17 @@ static int report_slot_reset(struct pci_dev *dev, void *data) struct aer_broadcast_data *result_data; result_data = (struct aer_broadcast_data *) data; + device_lock(&dev->dev); if (!dev->driver || !dev->driver->err_handler || !dev->driver->err_handler->slot_reset) - return 0; + goto out; err_handler = dev->driver->err_handler; vote = err_handler->slot_reset(dev); result_data->result = merge_result(result_data->result, vote); +out: + device_unlock(&dev->dev); return 0; } @@ -280,15 +289,18 @@ static int report_resume(struct pci_dev *dev, void *data) { const struct pci_error_handlers *err_handler; + device_lock(&dev->dev); dev->error_state = pci_channel_io_normal; if (!dev->driver || !dev->driver->err_handler || !dev->driver->err_handler->resume) - return 0; + goto out; err_handler = dev->driver->err_handler; err_handler->resume(dev); +out: + device_unlock(&dev->dev); return 0; } diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index d03a7a39b2d..ed129b41462 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -272,7 +272,8 @@ static int get_port_device_capability(struct pci_dev *dev) } /* Hot-Plug Capable */ - if (cap_mask & PCIE_PORT_SERVICE_HP) { + if ((cap_mask & PCIE_PORT_SERVICE_HP) && + dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT) { pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, ®32); if (reg32 & PCI_EXP_SLTCAP_HPC) { services |= PCIE_PORT_SERVICE_HP; diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index eb907a8faf2..9b8505ccc56 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -76,6 +76,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp if (!access_ok(VERIFY_WRITE, buf, cnt)) return -EINVAL; + pci_config_pm_runtime_get(dev); + if ((pos & 1) && cnt) { unsigned char val; pci_user_read_config_byte(dev, pos, &val); @@ -121,6 +123,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp cnt--; } + pci_config_pm_runtime_put(dev); + *ppos = pos; return nbytes; } @@ -146,6 +150,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof if (!access_ok(VERIFY_READ, buf, cnt)) return -EINVAL; + pci_config_pm_runtime_get(dev); + if ((pos & 1) && cnt) { unsigned char val; __get_user(val, buf); @@ -191,6 +197,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof cnt--; } + pci_config_pm_runtime_put(dev); + *ppos = pos; i_size_write(ino, dp->size); return nbytes; diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 7bf914df6e9..d96caefd914 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -179,11 +179,13 @@ config PINCTRL_COH901 config PINCTRL_SAMSUNG bool "Samsung pinctrl driver" + depends on OF && GPIOLIB select PINMUX select PINCONF config PINCTRL_EXYNOS4 bool "Pinctrl driver data for Exynos4 SoC" + depends on OF && GPIOLIB select PINCTRL_SAMSUNG config PINCTRL_MVEBU diff --git a/drivers/pinctrl/spear/pinctrl-spear.c b/drivers/pinctrl/spear/pinctrl-spear.c index 5d4f44f462f..b1fd6ee33c6 100644 --- a/drivers/pinctrl/spear/pinctrl-spear.c +++ b/drivers/pinctrl/spear/pinctrl-spear.c @@ -244,7 +244,7 @@ static int spear_pinctrl_endisable(struct pinctrl_dev *pctldev, else temp = ~muxreg->val; - val |= temp; + val |= muxreg->mask & temp; pmx_writel(pmx, val, muxreg->reg); } } diff --git a/drivers/pinctrl/spear/pinctrl-spear1310.c b/drivers/pinctrl/spear/pinctrl-spear1310.c index d6cca8c81b9..0436fc7895d 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1310.c +++ b/drivers/pinctrl/spear/pinctrl-spear1310.c @@ -25,8 +25,8 @@ static const struct pinctrl_pin_desc spear1310_pins[] = { }; /* registers */ -#define PERIP_CFG 0x32C - #define MCIF_SEL_SHIFT 3 +#define PERIP_CFG 0x3B0 + #define MCIF_SEL_SHIFT 5 #define MCIF_SEL_SD (0x1 << MCIF_SEL_SHIFT) #define MCIF_SEL_CF (0x2 << MCIF_SEL_SHIFT) #define MCIF_SEL_XD (0x3 << MCIF_SEL_SHIFT) @@ -164,6 +164,10 @@ static const struct pinctrl_pin_desc spear1310_pins[] = { #define PMX_SSP0_CS0_MASK (1 << 29) #define PMX_SSP0_CS1_2_MASK (1 << 30) +#define PAD_DIRECTION_SEL_0 0x65C +#define PAD_DIRECTION_SEL_1 0x660 +#define PAD_DIRECTION_SEL_2 0x664 + /* combined macros */ #define PMX_GMII_MASK (PMX_GMIICLK_MASK | \ PMX_GMIICOL_CRS_XFERER_MIITXCLK_MASK | \ @@ -237,6 +241,10 @@ static struct spear_muxreg i2c0_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2C0_MASK, .val = PMX_I2C0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2C0_MASK, + .val = PMX_I2C0_MASK, }, }; @@ -269,6 +277,10 @@ static struct spear_muxreg ssp0_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_SSP0_MASK, .val = PMX_SSP0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_SSP0_MASK, + .val = PMX_SSP0_MASK, }, }; @@ -294,6 +306,10 @@ static struct spear_muxreg ssp0_cs0_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_SSP0_CS0_MASK, .val = PMX_SSP0_CS0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_SSP0_CS0_MASK, + .val = PMX_SSP0_CS0_MASK, }, }; @@ -319,6 +335,10 @@ static struct spear_muxreg ssp0_cs1_2_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_SSP0_CS1_2_MASK, .val = PMX_SSP0_CS1_2_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_SSP0_CS1_2_MASK, + .val = PMX_SSP0_CS1_2_MASK, }, }; @@ -352,6 +372,10 @@ static struct spear_muxreg i2s0_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2S0_MASK, .val = PMX_I2S0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2S0_MASK, + .val = PMX_I2S0_MASK, }, }; @@ -384,6 +408,10 @@ static struct spear_muxreg i2s1_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_I2S1_MASK, .val = PMX_I2S1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_I2S1_MASK, + .val = PMX_I2S1_MASK, }, }; @@ -418,6 +446,10 @@ static struct spear_muxreg clcd_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK, .val = PMX_CLCD1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK, + .val = PMX_CLCD1_MASK, }, }; @@ -443,6 +475,10 @@ static struct spear_muxreg clcd_high_res_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_CLCD2_MASK, .val = PMX_CLCD2_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_CLCD2_MASK, + .val = PMX_CLCD2_MASK, }, }; @@ -461,7 +497,7 @@ static struct spear_pingroup clcd_high_res_pingroup = { .nmodemuxs = ARRAY_SIZE(clcd_high_res_modemux), }; -static const char *const clcd_grps[] = { "clcd_grp", "clcd_high_res" }; +static const char *const clcd_grps[] = { "clcd_grp", "clcd_high_res_grp" }; static struct spear_function clcd_function = { .name = "clcd", .groups = clcd_grps, @@ -479,6 +515,14 @@ static struct spear_muxreg arm_gpio_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_EGPIO_1_GRP_MASK, .val = PMX_EGPIO_1_GRP_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_EGPIO_0_GRP_MASK, + .val = PMX_EGPIO_0_GRP_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_EGPIO_1_GRP_MASK, + .val = PMX_EGPIO_1_GRP_MASK, }, }; @@ -511,6 +555,10 @@ static struct spear_muxreg smi_2_chips_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_SMI_MASK, .val = PMX_SMI_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_SMI_MASK, + .val = PMX_SMI_MASK, }, }; @@ -539,6 +587,14 @@ static struct spear_muxreg smi_4_chips_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK, .val = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_SMI_MASK, + .val = PMX_SMI_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK, + .val = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK, }, }; @@ -573,6 +629,10 @@ static struct spear_muxreg gmii_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_GMII_MASK, .val = PMX_GMII_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_GMII_MASK, + .val = PMX_GMII_MASK, }, }; @@ -615,6 +675,18 @@ static struct spear_muxreg rgmii_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_RGMII_REG2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_RGMII_REG0_MASK, + .val = PMX_RGMII_REG0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_RGMII_REG1_MASK, + .val = PMX_RGMII_REG1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_RGMII_REG2_MASK, + .val = PMX_RGMII_REG2_MASK, }, }; @@ -649,6 +721,10 @@ static struct spear_muxreg smii_0_1_2_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_SMII_0_1_2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_SMII_0_1_2_MASK, + .val = PMX_SMII_0_1_2_MASK, }, }; @@ -681,6 +757,10 @@ static struct spear_muxreg ras_mii_txclk_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NFCE2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NFCE2_MASK, + .val = PMX_NFCE2_MASK, }, }; @@ -721,6 +801,14 @@ static struct spear_muxreg nand_8bit_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NAND8BIT_1_MASK, .val = PMX_NAND8BIT_1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_NAND8BIT_0_MASK, + .val = PMX_NAND8BIT_0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NAND8BIT_1_MASK, + .val = PMX_NAND8BIT_1_MASK, }, }; @@ -747,6 +835,10 @@ static struct spear_muxreg nand_16bit_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NAND16BIT_1_MASK, .val = PMX_NAND16BIT_1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NAND16BIT_1_MASK, + .val = PMX_NAND16BIT_1_MASK, }, }; @@ -772,6 +864,10 @@ static struct spear_muxreg nand_4_chips_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NAND_4CHIPS_MASK, .val = PMX_NAND_4CHIPS_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NAND_4CHIPS_MASK, + .val = PMX_NAND_4CHIPS_MASK, }, }; @@ -833,6 +929,10 @@ static struct spear_muxreg keyboard_rowcol6_8_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_KBD_ROWCOL68_MASK, .val = PMX_KBD_ROWCOL68_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_KBD_ROWCOL68_MASK, + .val = PMX_KBD_ROWCOL68_MASK, }, }; @@ -866,6 +966,10 @@ static struct spear_muxreg uart0_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_UART0_MASK, .val = PMX_UART0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_UART0_MASK, + .val = PMX_UART0_MASK, }, }; @@ -891,6 +995,10 @@ static struct spear_muxreg uart0_modem_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_UART0_MODEM_MASK, .val = PMX_UART0_MODEM_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_UART0_MODEM_MASK, + .val = PMX_UART0_MODEM_MASK, }, }; @@ -923,6 +1031,10 @@ static struct spear_muxreg gpt0_tmr0_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_GPT0_TMR0_MASK, .val = PMX_GPT0_TMR0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_GPT0_TMR0_MASK, + .val = PMX_GPT0_TMR0_MASK, }, }; @@ -948,6 +1060,10 @@ static struct spear_muxreg gpt0_tmr1_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_GPT0_TMR1_MASK, .val = PMX_GPT0_TMR1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_GPT0_TMR1_MASK, + .val = PMX_GPT0_TMR1_MASK, }, }; @@ -980,6 +1096,10 @@ static struct spear_muxreg gpt1_tmr0_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_GPT1_TMR0_MASK, .val = PMX_GPT1_TMR0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_GPT1_TMR0_MASK, + .val = PMX_GPT1_TMR0_MASK, }, }; @@ -1005,6 +1125,10 @@ static struct spear_muxreg gpt1_tmr1_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_GPT1_TMR1_MASK, .val = PMX_GPT1_TMR1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_GPT1_TMR1_MASK, + .val = PMX_GPT1_TMR1_MASK, }, }; @@ -1049,6 +1173,20 @@ static const unsigned mcif_pins[] = { 86, 87, 88, 89, 90, 91, 92, 93, 213, 214, .reg = PAD_FUNCTION_EN_2, \ .mask = PMX_MCIFALL_2_MASK, \ .val = PMX_MCIFALL_2_MASK, \ + }, { \ + .reg = PAD_DIRECTION_SEL_0, \ + .mask = PMX_MCI_DATA8_15_MASK, \ + .val = PMX_MCI_DATA8_15_MASK, \ + }, { \ + .reg = PAD_DIRECTION_SEL_1, \ + .mask = PMX_MCIFALL_1_MASK | PMX_NFWPRT1_MASK | \ + PMX_NFWPRT2_MASK, \ + .val = PMX_MCIFALL_1_MASK | PMX_NFWPRT1_MASK | \ + PMX_NFWPRT2_MASK, \ + }, { \ + .reg = PAD_DIRECTION_SEL_2, \ + .mask = PMX_MCIFALL_2_MASK, \ + .val = PMX_MCIFALL_2_MASK, \ } /* sdhci device */ @@ -1154,6 +1292,10 @@ static struct spear_muxreg touch_xy_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_TOUCH_XY_MASK, .val = PMX_TOUCH_XY_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_TOUCH_XY_MASK, + .val = PMX_TOUCH_XY_MASK, }, }; @@ -1187,6 +1329,10 @@ static struct spear_muxreg uart1_dis_i2c_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2C0_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2C0_MASK, + .val = PMX_I2C0_MASK, }, }; @@ -1213,6 +1359,12 @@ static struct spear_muxreg uart1_dis_sd_muxreg[] = { .mask = PMX_MCIDATA1_MASK | PMX_MCIDATA2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_MCIDATA1_MASK | + PMX_MCIDATA2_MASK, + .val = PMX_MCIDATA1_MASK | + PMX_MCIDATA2_MASK, }, }; @@ -1246,6 +1398,10 @@ static struct spear_muxreg uart2_3_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2S0_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2S0_MASK, + .val = PMX_I2S0_MASK, }, }; @@ -1278,6 +1434,10 @@ static struct spear_muxreg uart4_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2S0_MASK | PMX_CLCD1_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2S0_MASK | PMX_CLCD1_MASK, + .val = PMX_I2S0_MASK | PMX_CLCD1_MASK, }, }; @@ -1310,6 +1470,10 @@ static struct spear_muxreg uart5_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK, + .val = PMX_CLCD1_MASK, }, }; @@ -1344,6 +1508,10 @@ static struct spear_muxreg rs485_0_1_tdm_0_1_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK, + .val = PMX_CLCD1_MASK, }, }; @@ -1376,6 +1544,10 @@ static struct spear_muxreg i2c_1_2_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK, + .val = PMX_CLCD1_MASK, }, }; @@ -1409,6 +1581,10 @@ static struct spear_muxreg i2c3_dis_smi_clcd_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK | PMX_SMI_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK | PMX_SMI_MASK, + .val = PMX_CLCD1_MASK | PMX_SMI_MASK, }, }; @@ -1435,6 +1611,10 @@ static struct spear_muxreg i2c3_dis_sd_i2s0_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_I2S1_MASK | PMX_MCIDATA3_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_I2S1_MASK | PMX_MCIDATA3_MASK, + .val = PMX_I2S1_MASK | PMX_MCIDATA3_MASK, }, }; @@ -1469,6 +1649,10 @@ static struct spear_muxreg i2c_4_5_dis_smi_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_SMI_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_SMI_MASK, + .val = PMX_SMI_MASK, }, }; @@ -1499,6 +1683,14 @@ static struct spear_muxreg i2c4_dis_sd_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_MCIDATA5_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_MCIDATA4_MASK, + .val = PMX_MCIDATA4_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIDATA5_MASK, + .val = PMX_MCIDATA5_MASK, }, }; @@ -1526,6 +1718,12 @@ static struct spear_muxreg i2c5_dis_sd_muxreg[] = { .mask = PMX_MCIDATA6_MASK | PMX_MCIDATA7_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIDATA6_MASK | + PMX_MCIDATA7_MASK, + .val = PMX_MCIDATA6_MASK | + PMX_MCIDATA7_MASK, }, }; @@ -1560,6 +1758,10 @@ static struct spear_muxreg i2c_6_7_dis_kbd_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_KBD_ROWCOL25_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_KBD_ROWCOL25_MASK, + .val = PMX_KBD_ROWCOL25_MASK, }, }; @@ -1587,6 +1789,12 @@ static struct spear_muxreg i2c6_dis_sd_muxreg[] = { .mask = PMX_MCIIORDRE_MASK | PMX_MCIIOWRWE_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIIORDRE_MASK | + PMX_MCIIOWRWE_MASK, + .val = PMX_MCIIORDRE_MASK | + PMX_MCIIOWRWE_MASK, }, }; @@ -1613,6 +1821,12 @@ static struct spear_muxreg i2c7_dis_sd_muxreg[] = { .mask = PMX_MCIRESETCF_MASK | PMX_MCICS0CE_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIRESETCF_MASK | + PMX_MCICS0CE_MASK, + .val = PMX_MCIRESETCF_MASK | + PMX_MCICS0CE_MASK, }, }; @@ -1651,6 +1865,14 @@ static struct spear_muxreg can0_dis_nor_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NFRSTPWDWN3_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_NFRSTPWDWN2_MASK, + .val = PMX_NFRSTPWDWN2_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NFRSTPWDWN3_MASK, + .val = PMX_NFRSTPWDWN3_MASK, }, }; @@ -1677,6 +1899,10 @@ static struct spear_muxreg can0_dis_sd_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_MCICFINTR_MASK | PMX_MCIIORDY_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCICFINTR_MASK | PMX_MCIIORDY_MASK, + .val = PMX_MCICFINTR_MASK | PMX_MCIIORDY_MASK, }, }; @@ -1711,6 +1937,10 @@ static struct spear_muxreg can1_dis_sd_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_MCICS1_MASK | PMX_MCIDMAACK_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCICS1_MASK | PMX_MCIDMAACK_MASK, + .val = PMX_MCICS1_MASK | PMX_MCIDMAACK_MASK, }, }; @@ -1737,6 +1967,10 @@ static struct spear_muxreg can1_dis_kbd_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_KBD_ROWCOL25_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_KBD_ROWCOL25_MASK, + .val = PMX_KBD_ROWCOL25_MASK, }, }; @@ -1763,29 +1997,64 @@ static struct spear_function can1_function = { .ngroups = ARRAY_SIZE(can1_grps), }; -/* Pad multiplexing for pci device */ -static const unsigned pci_sata_pins[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18, +/* Pad multiplexing for (ras-ip) pci device */ +static const unsigned pci_pins[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 }; -#define PCI_SATA_MUXREG \ - { \ - .reg = PAD_FUNCTION_EN_0, \ - .mask = PMX_MCI_DATA8_15_MASK, \ - .val = 0, \ - }, { \ - .reg = PAD_FUNCTION_EN_1, \ - .mask = PMX_PCI_REG1_MASK, \ - .val = 0, \ - }, { \ - .reg = PAD_FUNCTION_EN_2, \ - .mask = PMX_PCI_REG2_MASK, \ - .val = 0, \ - } -/* pad multiplexing for pcie0 device */ +static struct spear_muxreg pci_muxreg[] = { + { + .reg = PAD_FUNCTION_EN_0, + .mask = PMX_MCI_DATA8_15_MASK, + .val = 0, + }, { + .reg = PAD_FUNCTION_EN_1, + .mask = PMX_PCI_REG1_MASK, + .val = 0, + }, { + .reg = PAD_FUNCTION_EN_2, + .mask = PMX_PCI_REG2_MASK, + .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_MCI_DATA8_15_MASK, + .val = PMX_MCI_DATA8_15_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_PCI_REG1_MASK, + .val = PMX_PCI_REG1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_PCI_REG2_MASK, + .val = PMX_PCI_REG2_MASK, + }, +}; + +static struct spear_modemux pci_modemux[] = { + { + .muxregs = pci_muxreg, + .nmuxregs = ARRAY_SIZE(pci_muxreg), + }, +}; + +static struct spear_pingroup pci_pingroup = { + .name = "pci_grp", + .pins = pci_pins, + .npins = ARRAY_SIZE(pci_pins), + .modemuxs = pci_modemux, + .nmodemuxs = ARRAY_SIZE(pci_modemux), +}; + +static const char *const pci_grps[] = { "pci_grp" }; +static struct spear_function pci_function = { + .name = "pci", + .groups = pci_grps, + .ngroups = ARRAY_SIZE(pci_grps), +}; + +/* pad multiplexing for (fix-part) pcie0 device */ static struct spear_muxreg pcie0_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = PCIE_CFG_VAL(0), @@ -1802,15 +2071,12 @@ static struct spear_modemux pcie0_modemux[] = { static struct spear_pingroup pcie0_pingroup = { .name = "pcie0_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = pcie0_modemux, .nmodemuxs = ARRAY_SIZE(pcie0_modemux), }; -/* pad multiplexing for pcie1 device */ +/* pad multiplexing for (fix-part) pcie1 device */ static struct spear_muxreg pcie1_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = PCIE_CFG_VAL(1), @@ -1827,15 +2093,12 @@ static struct spear_modemux pcie1_modemux[] = { static struct spear_pingroup pcie1_pingroup = { .name = "pcie1_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = pcie1_modemux, .nmodemuxs = ARRAY_SIZE(pcie1_modemux), }; -/* pad multiplexing for pcie2 device */ +/* pad multiplexing for (fix-part) pcie2 device */ static struct spear_muxreg pcie2_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = PCIE_CFG_VAL(2), @@ -1852,22 +2115,20 @@ static struct spear_modemux pcie2_modemux[] = { static struct spear_pingroup pcie2_pingroup = { .name = "pcie2_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = pcie2_modemux, .nmodemuxs = ARRAY_SIZE(pcie2_modemux), }; -static const char *const pci_grps[] = { "pcie0_grp", "pcie1_grp", "pcie2_grp" }; -static struct spear_function pci_function = { - .name = "pci", - .groups = pci_grps, - .ngroups = ARRAY_SIZE(pci_grps), +static const char *const pcie_grps[] = { "pcie0_grp", "pcie1_grp", "pcie2_grp" +}; +static struct spear_function pcie_function = { + .name = "pci_express", + .groups = pcie_grps, + .ngroups = ARRAY_SIZE(pcie_grps), }; /* pad multiplexing for sata0 device */ static struct spear_muxreg sata0_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = SATA_CFG_VAL(0), @@ -1884,15 +2145,12 @@ static struct spear_modemux sata0_modemux[] = { static struct spear_pingroup sata0_pingroup = { .name = "sata0_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = sata0_modemux, .nmodemuxs = ARRAY_SIZE(sata0_modemux), }; /* pad multiplexing for sata1 device */ static struct spear_muxreg sata1_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = SATA_CFG_VAL(1), @@ -1909,15 +2167,12 @@ static struct spear_modemux sata1_modemux[] = { static struct spear_pingroup sata1_pingroup = { .name = "sata1_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = sata1_modemux, .nmodemuxs = ARRAY_SIZE(sata1_modemux), }; /* pad multiplexing for sata2 device */ static struct spear_muxreg sata2_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = SATA_CFG_VAL(2), @@ -1934,8 +2189,6 @@ static struct spear_modemux sata2_modemux[] = { static struct spear_pingroup sata2_pingroup = { .name = "sata2_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = sata2_modemux, .nmodemuxs = ARRAY_SIZE(sata2_modemux), }; @@ -1957,6 +2210,14 @@ static struct spear_muxreg ssp1_dis_kbd_muxreg[] = { PMX_KBD_COL0_MASK | PMX_NFIO8_15_MASK | PMX_NFCE1_MASK | PMX_NFCE2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_KBD_ROWCOL25_MASK | PMX_KBD_COL1_MASK | + PMX_KBD_COL0_MASK | PMX_NFIO8_15_MASK | PMX_NFCE1_MASK | + PMX_NFCE2_MASK, + .val = PMX_KBD_ROWCOL25_MASK | PMX_KBD_COL1_MASK | + PMX_KBD_COL0_MASK | PMX_NFIO8_15_MASK | PMX_NFCE1_MASK | + PMX_NFCE2_MASK, }, }; @@ -1983,6 +2244,12 @@ static struct spear_muxreg ssp1_dis_sd_muxreg[] = { .mask = PMX_MCIADDR0ALE_MASK | PMX_MCIADDR2_MASK | PMX_MCICECF_MASK | PMX_MCICEXD_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIADDR0ALE_MASK | PMX_MCIADDR2_MASK | + PMX_MCICECF_MASK | PMX_MCICEXD_MASK, + .val = PMX_MCIADDR0ALE_MASK | PMX_MCIADDR2_MASK | + PMX_MCICECF_MASK | PMX_MCICEXD_MASK, }, }; @@ -2017,6 +2284,12 @@ static struct spear_muxreg gpt64_muxreg[] = { .mask = PMX_MCICDCF1_MASK | PMX_MCICDCF2_MASK | PMX_MCICDXD_MASK | PMX_MCILEDS_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCICDCF1_MASK | PMX_MCICDCF2_MASK | PMX_MCICDXD_MASK + | PMX_MCILEDS_MASK, + .val = PMX_MCICDCF1_MASK | PMX_MCICDCF2_MASK | PMX_MCICDXD_MASK + | PMX_MCILEDS_MASK, }, }; @@ -2093,6 +2366,7 @@ static struct spear_pingroup *spear1310_pingroups[] = { &can0_dis_sd_pingroup, &can1_dis_sd_pingroup, &can1_dis_kbd_pingroup, + &pci_pingroup, &pcie0_pingroup, &pcie1_pingroup, &pcie2_pingroup, @@ -2138,6 +2412,7 @@ static struct spear_function *spear1310_functions[] = { &can0_function, &can1_function, &pci_function, + &pcie_function, &sata_function, &ssp1_function, &gpt64_function, diff --git a/drivers/pinctrl/spear/pinctrl-spear1340.c b/drivers/pinctrl/spear/pinctrl-spear1340.c index a0eb057e55b..0606b8cf3f2 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1340.c +++ b/drivers/pinctrl/spear/pinctrl-spear1340.c @@ -213,7 +213,7 @@ static const struct pinctrl_pin_desc spear1340_pins[] = { * Pad multiplexing for making all pads as gpio's. This is done to override the * values passed from bootloader and start from scratch. */ -static const unsigned pads_as_gpio_pins[] = { 251 }; +static const unsigned pads_as_gpio_pins[] = { 12, 88, 89, 251 }; static struct spear_muxreg pads_as_gpio_muxreg[] = { { .reg = PAD_FUNCTION_EN_1, @@ -1692,7 +1692,43 @@ static struct spear_pingroup clcd_pingroup = { .nmodemuxs = ARRAY_SIZE(clcd_modemux), }; -static const char *const clcd_grps[] = { "clcd_grp" }; +/* Disable cld runtime to save panel damage */ +static struct spear_muxreg clcd_sleep_muxreg[] = { + { + .reg = PAD_SHARED_IP_EN_1, + .mask = ARM_TRACE_MASK | MIPHY_DBG_MASK, + .val = 0, + }, { + .reg = PAD_FUNCTION_EN_5, + .mask = CLCD_REG4_MASK | CLCD_AND_ARM_TRACE_REG4_MASK, + .val = 0x0, + }, { + .reg = PAD_FUNCTION_EN_6, + .mask = CLCD_AND_ARM_TRACE_REG5_MASK, + .val = 0x0, + }, { + .reg = PAD_FUNCTION_EN_7, + .mask = CLCD_AND_ARM_TRACE_REG6_MASK, + .val = 0x0, + }, +}; + +static struct spear_modemux clcd_sleep_modemux[] = { + { + .muxregs = clcd_sleep_muxreg, + .nmuxregs = ARRAY_SIZE(clcd_sleep_muxreg), + }, +}; + +static struct spear_pingroup clcd_sleep_pingroup = { + .name = "clcd_sleep_grp", + .pins = clcd_pins, + .npins = ARRAY_SIZE(clcd_pins), + .modemuxs = clcd_sleep_modemux, + .nmodemuxs = ARRAY_SIZE(clcd_sleep_modemux), +}; + +static const char *const clcd_grps[] = { "clcd_grp", "clcd_sleep_grp" }; static struct spear_function clcd_function = { .name = "clcd", .groups = clcd_grps, @@ -1893,6 +1929,7 @@ static struct spear_pingroup *spear1340_pingroups[] = { &sdhci_pingroup, &cf_pingroup, &xd_pingroup, + &clcd_sleep_pingroup, &clcd_pingroup, &arm_trace_pingroup, &miphy_dbg_pingroup, diff --git a/drivers/pinctrl/spear/pinctrl-spear320.c b/drivers/pinctrl/spear/pinctrl-spear320.c index 020b1e0bdb3..ca47b0e5078 100644 --- a/drivers/pinctrl/spear/pinctrl-spear320.c +++ b/drivers/pinctrl/spear/pinctrl-spear320.c @@ -2240,6 +2240,10 @@ static struct spear_muxreg pwm2_pin_34_muxreg[] = { .mask = PMX_SSP_CS_MASK, .val = 0, }, { + .reg = MODE_CONFIG_REG, + .mask = PMX_PWM_MASK, + .val = PMX_PWM_MASK, + }, { .reg = IP_SEL_PAD_30_39_REG, .mask = PMX_PL_34_MASK, .val = PMX_PWM2_PL_34_VAL, @@ -2956,9 +2960,9 @@ static struct spear_function mii2_function = { }; /* Pad multiplexing for cadence mii 1_2 as smii or rmii device */ -static const unsigned smii0_1_pins[] = { 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, +static const unsigned rmii0_1_pins[] = { 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27 }; -static const unsigned rmii0_1_pins[] = { 10, 11, 21, 22, 23, 24, 25, 26, 27 }; +static const unsigned smii0_1_pins[] = { 10, 11, 21, 22, 23, 24, 25, 26, 27 }; static struct spear_muxreg mii0_1_muxreg[] = { { .reg = PMX_CONFIG_REG, diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.h b/drivers/pinctrl/spear/pinctrl-spear3xx.h index 31f44347f17..7860b36053c 100644 --- a/drivers/pinctrl/spear/pinctrl-spear3xx.h +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.h @@ -15,6 +15,7 @@ #include "pinctrl-spear.h" /* pad mux declarations */ +#define PMX_PWM_MASK (1 << 16) #define PMX_FIRDA_MASK (1 << 14) #define PMX_I2C_MASK (1 << 13) #define PMX_SSP_CS_MASK (1 << 12) diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c index cd0106293a4..7304139934a 100644 --- a/drivers/rtc/rtc-mxc.c +++ b/drivers/rtc/rtc-mxc.c @@ -17,8 +17,6 @@ #include <linux/platform_device.h> #include <linux/clk.h> -#include <mach/hardware.h> - #define RTC_INPUT_CLK_32768HZ (0x00 << 5) #define RTC_INPUT_CLK_32000HZ (0x01 << 5) #define RTC_INPUT_CLK_38400HZ (0x02 << 5) @@ -72,14 +70,38 @@ static const u32 PIE_BIT_DEF[MAX_PIE_NUM][2] = { #define RTC_TEST2 0x2C /* 32bit rtc test reg 2 */ #define RTC_TEST3 0x30 /* 32bit rtc test reg 3 */ +enum imx_rtc_type { + IMX1_RTC, + IMX21_RTC, +}; + struct rtc_plat_data { struct rtc_device *rtc; void __iomem *ioaddr; int irq; struct clk *clk; struct rtc_time g_rtc_alarm; + enum imx_rtc_type devtype; }; +static struct platform_device_id imx_rtc_devtype[] = { + { + .name = "imx1-rtc", + .driver_data = IMX1_RTC, + }, { + .name = "imx21-rtc", + .driver_data = IMX21_RTC, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, imx_rtc_devtype); + +static inline int is_imx1_rtc(struct rtc_plat_data *data) +{ + return data->devtype == IMX1_RTC; +} + /* * This function is used to obtain the RTC time or the alarm value in * second. @@ -278,10 +300,13 @@ static int mxc_rtc_read_time(struct device *dev, struct rtc_time *tm) */ static int mxc_rtc_set_mmss(struct device *dev, unsigned long time) { + struct platform_device *pdev = to_platform_device(dev); + struct rtc_plat_data *pdata = platform_get_drvdata(pdev); + /* * TTC_DAYR register is 9-bit in MX1 SoC, save time and day of year only */ - if (cpu_is_mx1()) { + if (is_imx1_rtc(pdata)) { struct rtc_time tm; rtc_time_to_tm(time, &tm); @@ -360,6 +385,8 @@ static int __devinit mxc_rtc_probe(struct platform_device *pdev) if (!pdata) return -ENOMEM; + pdata->devtype = pdev->id_entry->driver_data; + if (!devm_request_mem_region(&pdev->dev, res->start, resource_size(res), pdev->name)) return -EBUSY; @@ -480,6 +507,7 @@ static struct platform_driver mxc_rtc_driver = { #endif .owner = THIS_MODULE, }, + .id_table = imx_rtc_devtype, .probe = mxc_rtc_probe, .remove = __devexit_p(mxc_rtc_remove), }; diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index 33bb4d891e1..4af3dfe70ef 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -112,9 +112,6 @@ extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *); extern void css_reiterate_subchannels(void); void css_update_ssd_info(struct subchannel *sch); -#define __MAX_SUBCHANNEL 65535 -#define __MAX_SSID 3 - struct channel_subsystem { u8 cssid; int valid; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index fc916f5d731..fd3143c291c 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1424,7 +1424,7 @@ static enum io_sch_action sch_get_action(struct subchannel *sch) } if (device_is_disconnected(cdev)) return IO_SCH_REPROBE; - if (cdev->online) + if (cdev->online && !cdev->private->flags.resuming) return IO_SCH_VERIFY; if (cdev->private->state == DEV_STATE_NOT_OPER) return IO_SCH_UNREG_ATTACH; @@ -1469,12 +1469,6 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) rc = 0; goto out_unlock; case IO_SCH_VERIFY: - if (cdev->private->flags.resuming == 1) { - if (cio_enable_subchannel(sch, (u32)(addr_t)sch)) { - ccw_device_set_notoper(cdev); - break; - } - } /* Trigger path verification. */ io_subchannel_verify(sch); rc = 0; diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c index 199bc679117..65d13e38803 100644 --- a/drivers/s390/cio/idset.c +++ b/drivers/s390/cio/idset.c @@ -125,8 +125,7 @@ int idset_is_empty(struct idset *set) void idset_add_set(struct idset *to, struct idset *from) { - int len = min(__BITOPS_WORDS(to->num_ssid * to->num_id), - __BITOPS_WORDS(from->num_ssid * from->num_id)); + int len = min(to->num_ssid * to->num_id, from->num_ssid * from->num_id); bitmap_or(to->bitmap, to->bitmap, from->bitmap, len); } diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index bd4708a422c..20fd974f903 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -149,6 +149,7 @@ qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha) int qla24xx_disable_vp(scsi_qla_host_t *vha) { + unsigned long flags; int ret; ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); @@ -156,7 +157,9 @@ qla24xx_disable_vp(scsi_qla_host_t *vha) atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); /* Remove port id from vp target map */ + spin_lock_irqsave(&vha->hw->vport_slock, flags); qlt_update_vp_map(vha, RESET_AL_PA); + spin_unlock_irqrestore(&vha->hw->vport_slock, flags); qla2x00_mark_vp_devices_dead(vha); atomic_set(&vha->vp_state, VP_FAILED); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 0e09d8f433d..62aa5584f64 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -557,6 +557,7 @@ static bool qlt_check_fcport_exist(struct scsi_qla_host *vha, int pmap_len; fc_port_t *fcport; int global_resets; + unsigned long flags; retry: global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count); @@ -625,10 +626,10 @@ retry: sess->s_id.b.area, sess->loop_id, fcport->d_id.b.domain, fcport->d_id.b.al_pa, fcport->d_id.b.area, fcport->loop_id); - sess->s_id = fcport->d_id; - sess->loop_id = fcport->loop_id; - sess->conf_compl_supported = !!(fcport->flags & - FCF_CONF_COMP_SUPPORTED); + spin_lock_irqsave(&ha->hardware_lock, flags); + ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id, + (fcport->flags & FCF_CONF_COMP_SUPPORTED)); + spin_unlock_irqrestore(&ha->hardware_lock, flags); res = true; @@ -740,10 +741,9 @@ static struct qla_tgt_sess *qlt_create_sess( qlt_undelete_sess(sess); kref_get(&sess->se_sess->sess_kref); - sess->s_id = fcport->d_id; - sess->loop_id = fcport->loop_id; - sess->conf_compl_supported = !!(fcport->flags & - FCF_CONF_COMP_SUPPORTED); + ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id, + (fcport->flags & FCF_CONF_COMP_SUPPORTED)); + if (sess->local && !local) sess->local = 0; spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -796,8 +796,7 @@ static struct qla_tgt_sess *qlt_create_sess( */ kref_get(&sess->se_sess->sess_kref); - sess->conf_compl_supported = !!(fcport->flags & - FCF_CONF_COMP_SUPPORTED); + sess->conf_compl_supported = (fcport->flags & FCF_CONF_COMP_SUPPORTED); BUILD_BUG_ON(sizeof(sess->port_name) != sizeof(fcport->port_name)); memcpy(sess->port_name, fcport->port_name, sizeof(sess->port_name)); @@ -869,10 +868,8 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) ql_dbg(ql_dbg_tgt_mgt, vha, 0xf007, "Reappeared sess %p\n", sess); } - sess->s_id = fcport->d_id; - sess->loop_id = fcport->loop_id; - sess->conf_compl_supported = !!(fcport->flags & - FCF_CONF_COMP_SUPPORTED); + ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id, + (fcport->flags & FCF_CONF_COMP_SUPPORTED)); } if (sess && sess->local) { diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 170af157121..bad749561ec 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -648,6 +648,7 @@ struct qla_tgt_func_tmpl { int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *, void *, uint8_t *, uint16_t); + void (*update_sess)(struct qla_tgt_sess *, port_id_t, uint16_t, bool); struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *, const uint16_t); struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *, diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 2358c16c4c8..3d74f2f39ae 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -237,7 +237,7 @@ static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg) struct tcm_qla2xxx_tpg, se_tpg); struct tcm_qla2xxx_lport *lport = tpg->lport; - return &lport->lport_name[0]; + return lport->lport_naa_name; } static char *tcm_qla2xxx_npiv_get_fabric_wwn(struct se_portal_group *se_tpg) @@ -1457,6 +1457,78 @@ static int tcm_qla2xxx_check_initiator_node_acl( return 0; } +static void tcm_qla2xxx_update_sess(struct qla_tgt_sess *sess, port_id_t s_id, + uint16_t loop_id, bool conf_compl_supported) +{ + struct qla_tgt *tgt = sess->tgt; + struct qla_hw_data *ha = tgt->ha; + struct tcm_qla2xxx_lport *lport = ha->tgt.target_lport_ptr; + struct se_node_acl *se_nacl = sess->se_sess->se_node_acl; + struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl, + struct tcm_qla2xxx_nacl, se_node_acl); + u32 key; + + + if (sess->loop_id != loop_id || sess->s_id.b24 != s_id.b24) + pr_info("Updating session %p from port %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x loop_id %d -> %d s_id %x:%x:%x -> %x:%x:%x\n", + sess, + sess->port_name[0], sess->port_name[1], + sess->port_name[2], sess->port_name[3], + sess->port_name[4], sess->port_name[5], + sess->port_name[6], sess->port_name[7], + sess->loop_id, loop_id, + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa, + s_id.b.domain, s_id.b.area, s_id.b.al_pa); + + if (sess->loop_id != loop_id) { + /* + * Because we can shuffle loop IDs around and we + * update different sessions non-atomically, we might + * have overwritten this session's old loop ID + * already, and we might end up overwriting some other + * session that will be updated later. So we have to + * be extra careful and we can't warn about those things... + */ + if (lport->lport_loopid_map[sess->loop_id].se_nacl == se_nacl) + lport->lport_loopid_map[sess->loop_id].se_nacl = NULL; + + lport->lport_loopid_map[loop_id].se_nacl = se_nacl; + + sess->loop_id = loop_id; + } + + if (sess->s_id.b24 != s_id.b24) { + key = (((u32) sess->s_id.b.domain << 16) | + ((u32) sess->s_id.b.area << 8) | + ((u32) sess->s_id.b.al_pa)); + + if (btree_lookup32(&lport->lport_fcport_map, key)) + WARN(btree_remove32(&lport->lport_fcport_map, key) != se_nacl, + "Found wrong se_nacl when updating s_id %x:%x:%x\n", + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa); + else + WARN(1, "No lport_fcport_map entry for s_id %x:%x:%x\n", + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa); + + key = (((u32) s_id.b.domain << 16) | + ((u32) s_id.b.area << 8) | + ((u32) s_id.b.al_pa)); + + if (btree_lookup32(&lport->lport_fcport_map, key)) { + WARN(1, "Already have lport_fcport_map entry for s_id %x:%x:%x\n", + s_id.b.domain, s_id.b.area, s_id.b.al_pa); + btree_update32(&lport->lport_fcport_map, key, se_nacl); + } else { + btree_insert32(&lport->lport_fcport_map, key, se_nacl, GFP_ATOMIC); + } + + sess->s_id = s_id; + nacl->nport_id = key; + } + + sess->conf_compl_supported = conf_compl_supported; +} + /* * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path. */ @@ -1467,6 +1539,7 @@ static struct qla_tgt_func_tmpl tcm_qla2xxx_template = { .free_cmd = tcm_qla2xxx_free_cmd, .free_mcmd = tcm_qla2xxx_free_mcmd, .free_session = tcm_qla2xxx_free_session, + .update_sess = tcm_qla2xxx_update_sess, .check_initiator_node_acl = tcm_qla2xxx_check_initiator_node_acl, .find_sess_by_s_id = tcm_qla2xxx_find_sess_by_s_id, .find_sess_by_loop_id = tcm_qla2xxx_find_sess_by_loop_id, @@ -1534,6 +1607,7 @@ static struct se_wwn *tcm_qla2xxx_make_lport( lport->lport_wwpn = wwpn; tcm_qla2xxx_format_wwn(&lport->lport_name[0], TCM_QLA2XXX_NAMELEN, wwpn); + sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) wwpn); ret = tcm_qla2xxx_init_lport(lport); if (ret != 0) @@ -1601,6 +1675,7 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport( lport->lport_npiv_wwnn = npiv_wwnn; tcm_qla2xxx_npiv_format_wwn(&lport->lport_npiv_name[0], TCM_QLA2XXX_NAMELEN, npiv_wwpn, npiv_wwnn); + sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn); /* FIXME: tcm_qla2xxx_npiv_make_lport */ ret = -ENOSYS; diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h index 82549810335..9ba075fe978 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h @@ -61,6 +61,8 @@ struct tcm_qla2xxx_lport { u64 lport_npiv_wwnn; /* ASCII formatted WWPN for FC Target Lport */ char lport_name[TCM_QLA2XXX_NAMELEN]; + /* ASCII formatted naa WWPN for VPD page 83 etc */ + char lport_naa_name[TCM_QLA2XXX_NAMELEN]; /* ASCII formatted WWPN+WWNN for NPIV FC Target Lport */ char lport_npiv_name[TCM_QLA2XXX_NPIV_NAMELEN]; /* map for fc_port pointers in 24-bit FC Port ID space */ diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index b191dd54920..71fddbc60f1 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -1294,26 +1294,19 @@ static struct scsi_host_template qpti_template = { static const struct of_device_id qpti_match[]; static int __devinit qpti_sbus_probe(struct platform_device *op) { - const struct of_device_id *match; - struct scsi_host_template *tpnt; struct device_node *dp = op->dev.of_node; struct Scsi_Host *host; struct qlogicpti *qpti; static int nqptis; const char *fcode; - match = of_match_device(qpti_match, &op->dev); - if (!match) - return -EINVAL; - tpnt = match->data; - /* Sometimes Antares cards come up not completely * setup, and we get a report of a zero IRQ. */ if (op->archdata.irqs[0] == 0) return -ENODEV; - host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti)); + host = scsi_host_alloc(&qpti_template, sizeof(struct qlogicpti)); if (!host) return -ENOMEM; @@ -1445,19 +1438,15 @@ static int __devexit qpti_sbus_remove(struct platform_device *op) static const struct of_device_id qpti_match[] = { { .name = "ptisp", - .data = &qpti_template, }, { .name = "PTI,ptisp", - .data = &qpti_template, }, { .name = "QLGC,isp", - .data = &qpti_template, }, { .name = "SUNW,isp", - .data = &qpti_template, }, {}, }; diff --git a/drivers/sh/clk/cpg.c b/drivers/sh/clk/cpg.c index 07e9fb4f804..b3dc44146ca 100644 --- a/drivers/sh/clk/cpg.c +++ b/drivers/sh/clk/cpg.c @@ -361,3 +361,89 @@ int __init sh_clk_div4_reparent_register(struct clk *clks, int nr, return sh_clk_div_register_ops(clks, nr, table, &sh_clk_div4_reparent_clk_ops); } + +/* FSI-DIV */ +static unsigned long fsidiv_recalc(struct clk *clk) +{ + u32 value; + + value = __raw_readl(clk->mapping->base); + + value >>= 16; + if (value < 2) + return clk->parent->rate; + + return clk->parent->rate / value; +} + +static long fsidiv_round_rate(struct clk *clk, unsigned long rate) +{ + return clk_rate_div_range_round(clk, 1, 0xffff, rate); +} + +static void fsidiv_disable(struct clk *clk) +{ + __raw_writel(0, clk->mapping->base); +} + +static int fsidiv_enable(struct clk *clk) +{ + u32 value; + + value = __raw_readl(clk->mapping->base) >> 16; + if (value < 2) + return 0; + + __raw_writel((value << 16) | 0x3, clk->mapping->base); + + return 0; +} + +static int fsidiv_set_rate(struct clk *clk, unsigned long rate) +{ + u32 val; + int idx; + + idx = (clk->parent->rate / rate) & 0xffff; + if (idx < 2) + __raw_writel(0, clk->mapping->base); + else + __raw_writel(idx << 16, clk->mapping->base); + + return 0; +} + +static struct sh_clk_ops fsidiv_clk_ops = { + .recalc = fsidiv_recalc, + .round_rate = fsidiv_round_rate, + .set_rate = fsidiv_set_rate, + .enable = fsidiv_enable, + .disable = fsidiv_disable, +}; + +int __init sh_clk_fsidiv_register(struct clk *clks, int nr) +{ + struct clk_mapping *map; + int i; + + for (i = 0; i < nr; i++) { + + map = kzalloc(sizeof(struct clk_mapping), GFP_KERNEL); + if (!map) { + pr_err("%s: unable to alloc memory\n", __func__); + return -ENOMEM; + } + + /* clks[i].enable_reg came from SH_CLK_FSIDIV() */ + map->phys = (phys_addr_t)clks[i].enable_reg; + map->len = 8; + + clks[i].enable_reg = 0; /* remove .enable_reg */ + clks[i].ops = &fsidiv_clk_ops; + clks[i].mapping = map; + + clk_register(&clks[i]); + } + + return 0; +} diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index 094fdc366f3..97cdf0856ae 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -39,7 +39,6 @@ #include <linux/workqueue.h> #include <mach/clk.h> -#include <mach/iomap.h> #include "nvec.h" diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index d6ce2182e67..035c2c76253 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3719,7 +3719,9 @@ restart: */ iscsit_thread_check_cpumask(conn, current, 1); - schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT); + wait_event_interruptible(conn->queues_wq, + !iscsit_conn_all_queues_empty(conn) || + ts->status == ISCSI_THREAD_SET_RESET); if ((ts->status == ISCSI_THREAD_SET_RESET) || signal_pending(current)) diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index 2ba9f9b9435..21048dbf7d1 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -486,6 +486,7 @@ struct iscsi_tmr_req { }; struct iscsi_conn { + wait_queue_head_t queues_wq; /* Authentication Successful for this connection */ u8 auth_complete; /* State connection is currently in */ diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index cdc8a10939c..f8dbec05d5e 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -41,6 +41,7 @@ static int iscsi_login_init_conn(struct iscsi_conn *conn) { + init_waitqueue_head(&conn->queues_wq); INIT_LIST_HEAD(&conn->conn_list); INIT_LIST_HEAD(&conn->conn_cmd_list); INIT_LIST_HEAD(&conn->immed_queue_list); diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index afd98ccd40a..1a91195ab61 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -488,7 +488,7 @@ void iscsit_add_cmd_to_immediate_queue( atomic_set(&conn->check_immediate_queue, 1); spin_unlock_bh(&conn->immed_queue_lock); - wake_up_process(conn->thread_set->tx_thread); + wake_up(&conn->queues_wq); } struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *conn) @@ -562,7 +562,7 @@ void iscsit_add_cmd_to_response_queue( atomic_inc(&cmd->response_queue_count); spin_unlock_bh(&conn->response_queue_lock); - wake_up_process(conn->thread_set->tx_thread); + wake_up(&conn->queues_wq); } struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *conn) @@ -616,6 +616,24 @@ static void iscsit_remove_cmd_from_response_queue( } } +bool iscsit_conn_all_queues_empty(struct iscsi_conn *conn) +{ + bool empty; + + spin_lock_bh(&conn->immed_queue_lock); + empty = list_empty(&conn->immed_queue_list); + spin_unlock_bh(&conn->immed_queue_lock); + + if (!empty) + return empty; + + spin_lock_bh(&conn->response_queue_lock); + empty = list_empty(&conn->response_queue_list); + spin_unlock_bh(&conn->response_queue_lock); + + return empty; +} + void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *conn) { struct iscsi_queue_req *qr, *qr_tmp; diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h index 44054bd3543..894d0f83792 100644 --- a/drivers/target/iscsi/iscsi_target_util.h +++ b/drivers/target/iscsi/iscsi_target_util.h @@ -25,6 +25,7 @@ extern struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_ extern void iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); extern struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *); extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_conn *); +extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *); extern void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *); extern void iscsit_release_cmd(struct iscsi_cmd *); extern void iscsit_free_cmd(struct iscsi_cmd *); diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 015f5be27bf..c123327499a 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -3206,7 +3206,8 @@ static int __init target_core_init_configfs(void) if (ret < 0) goto out; - if (core_dev_setup_virtual_lun0() < 0) + ret = core_dev_setup_virtual_lun0(); + if (ret < 0) goto out; return 0; diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 8d774da1632..9abef9f8eb7 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -850,20 +850,20 @@ int se_dev_check_shutdown(struct se_device *dev) static u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size) { - u32 tmp, aligned_max_sectors; + u32 aligned_max_sectors; + u32 alignment; /* * Limit max_sectors to a PAGE_SIZE aligned value for modern * transport_allocate_data_tasks() operation. */ - tmp = rounddown((max_sectors * block_size), PAGE_SIZE); - aligned_max_sectors = (tmp / block_size); - if (max_sectors != aligned_max_sectors) { - printk(KERN_INFO "Rounding down aligned max_sectors from %u" - " to %u\n", max_sectors, aligned_max_sectors); - return aligned_max_sectors; - } + alignment = max(1ul, PAGE_SIZE / block_size); + aligned_max_sectors = rounddown(max_sectors, alignment); + + if (max_sectors != aligned_max_sectors) + pr_info("Rounding down aligned max_sectors from %u to %u\n", + max_sectors, aligned_max_sectors); - return max_sectors; + return aligned_max_sectors; } void se_dev_set_default_attribs( diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 868f8aa04f1..a6e27d967c7 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -135,6 +135,12 @@ static int sbc_emulate_verify(struct se_cmd *cmd) return 0; } +static int sbc_emulate_noop(struct se_cmd *cmd) +{ + target_complete_cmd(cmd, GOOD); + return 0; +} + static inline u32 sbc_get_size(struct se_cmd *cmd, u32 sectors) { return cmd->se_dev->se_sub_dev->se_dev_attrib.block_size * sectors; @@ -531,6 +537,18 @@ int sbc_parse_cdb(struct se_cmd *cmd, struct spc_ops *ops) size = 0; cmd->execute_cmd = sbc_emulate_verify; break; + case REZERO_UNIT: + case SEEK_6: + case SEEK_10: + /* + * There are still clients out there which use these old SCSI-2 + * commands. This mainly happens when running VMs with legacy + * guest systems, connected via SCSI command pass-through to + * iSCSI targets. Make them happy and return status GOOD. + */ + size = 0; + cmd->execute_cmd = sbc_emulate_noop; + break; default: ret = spc_parse_cdb(cmd, &size); if (ret) diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 9229bd9ad61..6fd434d3d7e 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -605,6 +605,8 @@ static int spc_emulate_inquiry(struct se_cmd *cmd) unsigned char buf[SE_INQUIRY_BUF]; int p, ret; + memset(buf, 0, SE_INQUIRY_BUF); + if (dev == tpg->tpg_virt_lun0.lun_se_dev) buf[0] = 0x3f; /* Not connected */ else diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index 1c59a3c23b2..be75c4331a9 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -140,15 +140,15 @@ void core_tmr_abort_task( printk("ABORT_TASK: Found referenced %s task_tag: %u\n", se_cmd->se_tfo->get_fabric_name(), ref_tag); - spin_lock_irq(&se_cmd->t_state_lock); + spin_lock(&se_cmd->t_state_lock); if (se_cmd->transport_state & CMD_T_COMPLETE) { printk("ABORT_TASK: ref_tag: %u already complete, skipping\n", ref_tag); - spin_unlock_irq(&se_cmd->t_state_lock); + spin_unlock(&se_cmd->t_state_lock); spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); goto out; } se_cmd->transport_state |= CMD_T_ABORTED; - spin_unlock_irq(&se_cmd->t_state_lock); + spin_unlock(&se_cmd->t_state_lock); list_del_init(&se_cmd->se_cmd_list); kref_get(&se_cmd->cmd_kref); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index c33baff86aa..9097155e9eb 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1616,7 +1616,6 @@ static void target_complete_tmr_failure(struct work_struct *work) se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST; se_cmd->se_tfo->queue_tm_rsp(se_cmd); - transport_generic_free_cmd(se_cmd, 0); } /** diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c index fd03e8581af..6dd29e4ce36 100644 --- a/drivers/thermal/exynos_thermal.c +++ b/drivers/thermal/exynos_thermal.c @@ -815,7 +815,7 @@ static struct platform_device_id exynos_tmu_driver_ids[] = { }, { }, }; -MODULE_DEVICE_TABLE(platform, exynos4_tmu_driver_ids); +MODULE_DEVICE_TABLE(platform, exynos_tmu_driver_ids); static inline struct exynos_tmu_platform_data *exynos_get_driver_data( struct platform_device *pdev) diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index d4452716aaa..f7a1b574a30 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -210,7 +210,7 @@ static int rcar_thermal_probe(struct platform_device *pdev) goto error_free_priv; } - zone = thermal_zone_device_register("rcar_thermal", 0, priv, + zone = thermal_zone_device_register("rcar_thermal", 0, 0, priv, &rcar_thermal_zone_ops, 0, 0); if (IS_ERR(zone)) { dev_err(&pdev->dev, "thermal zone device is NULL\n"); diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig index 6f3ea9bbc81..c48b93813fc 100644 --- a/drivers/uio/Kconfig +++ b/drivers/uio/Kconfig @@ -97,6 +97,7 @@ config UIO_NETX config UIO_PRUSS tristate "Texas Instruments PRUSS driver" depends on ARCH_DAVINCI_DA850 + select GENERIC_ALLOCATOR help PRUSS driver for OMAPL138/DA850/AM18XX devices PRUSS driver requires user space components, examples and user space diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c index 33a7a273b45..f8738de342b 100644 --- a/drivers/uio/uio_pruss.c +++ b/drivers/uio/uio_pruss.c @@ -25,7 +25,7 @@ #include <linux/clk.h> #include <linux/dma-mapping.h> #include <linux/slab.h> -#include <mach/sram.h> +#include <linux/genalloc.h> #define DRV_NAME "pruss_uio" #define DRV_VERSION "1.0" @@ -65,10 +65,11 @@ struct uio_pruss_dev { dma_addr_t sram_paddr; dma_addr_t ddr_paddr; void __iomem *prussio_vaddr; - void *sram_vaddr; + unsigned long sram_vaddr; void *ddr_vaddr; unsigned int hostirq_start; unsigned int pintc_base; + struct gen_pool *sram_pool; }; static irqreturn_t pruss_handler(int irq, struct uio_info *info) @@ -106,7 +107,9 @@ static void pruss_cleanup(struct platform_device *dev, gdev->ddr_paddr); } if (gdev->sram_vaddr) - sram_free(gdev->sram_vaddr, sram_pool_sz); + gen_pool_free(gdev->sram_pool, + gdev->sram_vaddr, + sram_pool_sz); kfree(gdev->info); clk_put(gdev->pruss_clk); kfree(gdev); @@ -152,10 +155,17 @@ static int __devinit pruss_probe(struct platform_device *dev) goto out_free; } - gdev->sram_vaddr = sram_alloc(sram_pool_sz, &(gdev->sram_paddr)); - if (!gdev->sram_vaddr) { - dev_err(&dev->dev, "Could not allocate SRAM pool\n"); - goto out_free; + if (pdata->sram_pool) { + gdev->sram_pool = pdata->sram_pool; + gdev->sram_vaddr = + gen_pool_alloc(gdev->sram_pool, sram_pool_sz); + if (!gdev->sram_vaddr) { + dev_err(&dev->dev, "Could not allocate SRAM pool\n"); + goto out_free; + } + gdev->sram_paddr = + gen_pool_virt_to_phys(gdev->sram_pool, + gdev->sram_vaddr); } gdev->ddr_vaddr = dma_alloc_coherent(&dev->dev, extram_pool_sz, diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 6458764994e..4ec3c0d7a18 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -20,6 +20,7 @@ #include <linux/ctype.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> +#include <linux/if_vlan.h> #include "u_ether.h" @@ -295,7 +296,7 @@ static void rx_complete(struct usb_ep *ep, struct usb_request *req) while (skb2) { if (status < 0 || ETH_HLEN > skb2->len - || skb2->len > ETH_FRAME_LEN) { + || skb2->len > VLAN_ETH_FRAME_LEN) { dev->net->stats.rx_errors++; dev->net->stats.rx_length_errors++; DBG(dev, "rx length %d\n", skb2->len); diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index 4a08fc0b27c..8e58a5fa199 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -24,7 +24,6 @@ #include <linux/usb/ulpi.h> #include <linux/slab.h> -#include <mach/hardware.h> #include <linux/platform_data/usb-ehci-mxc.h> #include <asm/mach-types.h> diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 6223d175784..2de089001ae 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -28,7 +28,10 @@ #include <linux/pm_runtime.h> #include <linux/usb/tegra_usb_phy.h> -#include <mach/iomap.h> + +#define TEGRA_USB_BASE 0xC5000000 +#define TEGRA_USB2_BASE 0xC5004000 +#define TEGRA_USB3_BASE 0xC5008000 #define TEGRA_USB_DMA_ALIGN 32 diff --git a/drivers/usb/phy/tegra_usb_phy.c b/drivers/usb/phy/tegra_usb_phy.c index 987116f9efc..9d13c81754e 100644 --- a/drivers/usb/phy/tegra_usb_phy.c +++ b/drivers/usb/phy/tegra_usb_phy.c @@ -29,7 +29,9 @@ #include <linux/usb/ulpi.h> #include <asm/mach-types.h> #include <linux/usb/tegra_usb_phy.h> -#include <mach/iomap.h> + +#define TEGRA_USB_BASE 0xC5000000 +#define TEGRA_USB_SIZE SZ_16K #define ULPI_VIEWPORT 0x170 diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index cf2688de083..e501dbc966b 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -33,7 +33,6 @@ #include <linux/math64.h> #include <linux/platform_data/video-imxfb.h> -#include <mach/hardware.h> /* * Complain if VAR is out of range. @@ -53,8 +52,8 @@ #define LCDC_SIZE 0x04 #define SIZE_XMAX(x) ((((x) >> 4) & 0x3f) << 20) -#define YMAX_MASK (cpu_is_mx1() ? 0x1ff : 0x3ff) -#define SIZE_YMAX(y) ((y) & YMAX_MASK) +#define YMAX_MASK_IMX1 0x1ff +#define YMAX_MASK_IMX21 0x3ff #define LCDC_VPW 0x08 #define VPW_VPW(x) ((x) & 0x3ff) @@ -128,12 +127,18 @@ struct imxfb_rgb { struct fb_bitfield transp; }; +enum imxfb_type { + IMX1_FB, + IMX21_FB, +}; + struct imxfb_info { struct platform_device *pdev; void __iomem *regs; struct clk *clk_ipg; struct clk *clk_ahb; struct clk *clk_per; + enum imxfb_type devtype; /* * These are the addresses we mapped @@ -168,6 +173,24 @@ struct imxfb_info { void (*backlight_power)(int); }; +static struct platform_device_id imxfb_devtype[] = { + { + .name = "imx1-fb", + .driver_data = IMX1_FB, + }, { + .name = "imx21-fb", + .driver_data = IMX21_FB, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, imxfb_devtype); + +static inline int is_imx1_fb(struct imxfb_info *fbi) +{ + return fbi->devtype == IMX1_FB; +} + #define IMX_NAME "IMX" /* @@ -366,7 +389,7 @@ static int imxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) break; case 16: default: - if (cpu_is_mx1()) + if (is_imx1_fb(fbi)) pcr |= PCR_BPIX_12; else pcr |= PCR_BPIX_16; @@ -596,6 +619,7 @@ static struct fb_ops imxfb_ops = { static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *info) { struct imxfb_info *fbi = info->par; + u32 ymax_mask = is_imx1_fb(fbi) ? YMAX_MASK_IMX1 : YMAX_MASK_IMX21; pr_debug("var: xres=%d hslen=%d lm=%d rm=%d\n", var->xres, var->hsync_len, @@ -617,7 +641,7 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf if (var->right_margin > 255) printk(KERN_ERR "%s: invalid right_margin %d\n", info->fix.id, var->right_margin); - if (var->yres < 1 || var->yres > YMAX_MASK) + if (var->yres < 1 || var->yres > ymax_mask) printk(KERN_ERR "%s: invalid yres %d\n", info->fix.id, var->yres); if (var->vsync_len > 100) @@ -645,7 +669,7 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf VCR_V_WAIT_2(var->upper_margin), fbi->regs + LCDC_VCR); - writel(SIZE_XMAX(var->xres) | SIZE_YMAX(var->yres), + writel(SIZE_XMAX(var->xres) | (var->yres & ymax_mask), fbi->regs + LCDC_SIZE); writel(fbi->pcr, fbi->regs + LCDC_PCR); @@ -765,6 +789,7 @@ static int __init imxfb_probe(struct platform_device *pdev) return -ENOMEM; fbi = info->par; + fbi->devtype = pdev->id_entry->driver_data; if (!fb_mode) fb_mode = pdata->mode[0].mode.name; @@ -939,6 +964,7 @@ static struct platform_driver imxfb_driver = { .driver = { .name = DRIVER_NAME, }, + .id_table = imxfb_devtype, }; static int imxfb_setup(void) diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c index ce1d452464e..73688720857 100644 --- a/drivers/video/mx3fb.c +++ b/drivers/video/mx3fb.c @@ -26,10 +26,9 @@ #include <linux/console.h> #include <linux/clk.h> #include <linux/mutex.h> +#include <linux/dma/ipu-dma.h> #include <linux/platform_data/dma-imx.h> -#include <mach/hardware.h> -#include <mach/ipu.h> #include <linux/platform_data/video-mx3fb.h> #include <asm/io.h> diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c index b7f5173ff9e..917bb568168 100644 --- a/drivers/video/xen-fbfront.c +++ b/drivers/video/xen-fbfront.c @@ -641,7 +641,6 @@ static void xenfb_backend_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateInitWait: @@ -670,6 +669,10 @@ InitWait: info->feature_resize = val; break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 1e8659ca27e..809b0de59c0 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -225,8 +225,10 @@ EXPORT_SYMBOL_GPL(register_virtio_device); void unregister_virtio_device(struct virtio_device *dev) { + int index = dev->index; /* save for after device release */ + device_unregister(&dev->dev); - ida_simple_remove(&virtio_index_ida, dev->index); + ida_simple_remove(&virtio_index_ida, index); } EXPORT_SYMBOL_GPL(unregister_virtio_device); diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index bcfab2b00ad..9a45d0294cf 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c @@ -33,7 +33,6 @@ #include <linux/uaccess.h> #include <linux/timer.h> #include <linux/jiffies.h> -#include <mach/hardware.h> #define DRIVER_NAME "imx2-wdt" diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index 0e863703545..74354708c6c 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -2,6 +2,7 @@ ifneq ($(CONFIG_ARM),y) obj-y += manage.o balloon.o obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o endif +obj-$(CONFIG_X86) += fallback.o obj-y += grant-table.o features.o events.o obj-y += xenbus/ diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 912ac81b6db..0be4df39e95 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -1395,10 +1395,10 @@ void xen_evtchn_do_upcall(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); + irq_enter(); #ifdef CONFIG_X86 exit_idle(); #endif - irq_enter(); __xen_evtchn_do_upcall(); diff --git a/drivers/xen/fallback.c b/drivers/xen/fallback.c new file mode 100644 index 00000000000..0ef7c4d40f8 --- /dev/null +++ b/drivers/xen/fallback.c @@ -0,0 +1,80 @@ +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/bug.h> +#include <linux/export.h> +#include <asm/hypervisor.h> +#include <asm/xen/hypercall.h> + +int xen_event_channel_op_compat(int cmd, void *arg) +{ + struct evtchn_op op; + int rc; + + op.cmd = cmd; + memcpy(&op.u, arg, sizeof(op.u)); + rc = _hypercall1(int, event_channel_op_compat, &op); + + switch (cmd) { + case EVTCHNOP_close: + case EVTCHNOP_send: + case EVTCHNOP_bind_vcpu: + case EVTCHNOP_unmask: + /* no output */ + break; + +#define COPY_BACK(eop) \ + case EVTCHNOP_##eop: \ + memcpy(arg, &op.u.eop, sizeof(op.u.eop)); \ + break + + COPY_BACK(bind_interdomain); + COPY_BACK(bind_virq); + COPY_BACK(bind_pirq); + COPY_BACK(status); + COPY_BACK(alloc_unbound); + COPY_BACK(bind_ipi); +#undef COPY_BACK + + default: + WARN_ON(rc != -ENOSYS); + break; + } + + return rc; +} +EXPORT_SYMBOL_GPL(xen_event_channel_op_compat); + +int HYPERVISOR_physdev_op_compat(int cmd, void *arg) +{ + struct physdev_op op; + int rc; + + op.cmd = cmd; + memcpy(&op.u, arg, sizeof(op.u)); + rc = _hypercall1(int, physdev_op_compat, &op); + + switch (cmd) { + case PHYSDEVOP_IRQ_UNMASK_NOTIFY: + case PHYSDEVOP_set_iopl: + case PHYSDEVOP_set_iobitmap: + case PHYSDEVOP_apic_write: + /* no output */ + break; + +#define COPY_BACK(pop, fld) \ + case PHYSDEVOP_##pop: \ + memcpy(arg, &op.u.fld, sizeof(op.u.fld)); \ + break + + COPY_BACK(irq_status_query, irq_status_query); + COPY_BACK(apic_read, apic_op); + COPY_BACK(ASSIGN_VECTOR, irq_op); +#undef COPY_BACK + + default: + WARN_ON(rc != -ENOSYS); + break; + } + + return rc; +} diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 610bfc6be17..2e22df2f7a3 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -105,6 +105,21 @@ static void gntdev_print_maps(struct gntdev_priv *priv, #endif } +static void gntdev_free_map(struct grant_map *map) +{ + if (map == NULL) + return; + + if (map->pages) + free_xenballooned_pages(map->count, map->pages); + kfree(map->pages); + kfree(map->grants); + kfree(map->map_ops); + kfree(map->unmap_ops); + kfree(map->kmap_ops); + kfree(map); +} + static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count) { struct grant_map *add; @@ -142,12 +157,7 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count) return add; err: - kfree(add->pages); - kfree(add->grants); - kfree(add->map_ops); - kfree(add->unmap_ops); - kfree(add->kmap_ops); - kfree(add); + gntdev_free_map(add); return NULL; } @@ -198,17 +208,9 @@ static void gntdev_put_map(struct grant_map *map) evtchn_put(map->notify.event); } - if (map->pages) { - if (!use_ptemod) - unmap_grant_pages(map, 0, map->count); - - free_xenballooned_pages(map->count, map->pages); - } - kfree(map->pages); - kfree(map->grants); - kfree(map->map_ops); - kfree(map->unmap_ops); - kfree(map); + if (map->pages && !use_ptemod) + unmap_grant_pages(map, 0, map->count); + gntdev_free_map(map); } /* ------------------------------------------------------------------ */ diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 89f76252a16..ac727028e65 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -458,7 +458,7 @@ static ssize_t xenbus_file_write(struct file *filp, goto out; /* Can't write a xenbus message larger we can buffer */ - if ((len + u->len) > sizeof(u->u.buffer)) { + if (len > sizeof(u->u.buffer) - u->len) { /* On error, dump existing buffer */ u->len = 0; rc = -EINVAL; |