diff --git a/Documentation/ABI/testing/sysfs-bus-rbd b/Documentation/ABI/testing/sysfs-bus-rbd index dbedafb..eb781c6 100644 --- a/Documentation/ABI/testing/sysfs-bus-rbd +++ b/Documentation/ABI/testing/sysfs-bus-rbd @@ -51,12 +51,6 @@ current_snap The current snapshot for which the device is mapped. -create_snap - - Create a snapshot: - - $ echo > /sys/bus/rbd/devices//snap_create - snap_* A directory per each snapshot diff --git a/Makefile b/Makefile index 0913881..2d84a1d 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 3 PATCHLEVEL = 4 -SUBLEVEL = 25 +SUBLEVEL = 26 EXTRAVERSION = NAME = Saber-toothed Squirrel diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h index a658672..b4eb3da 100644 --- a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h +++ b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h @@ -462,6 +462,9 @@ GPIO76_LCD_PCLK, \ GPIO77_LCD_BIAS +/* these enable a work-around for a hw bug in pxa27x during ac97 warm reset */ +#define GPIO113_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO113, AF0, DEFAULT) +#define GPIO95_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO95, AF0, DEFAULT) extern int keypad_set_wake(unsigned int on); #endif /* __ASM_ARCH_MFP_PXA27X_H */ diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 4726c24..a2fe795 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -47,9 +47,9 @@ void pxa27x_clear_otgph(void) EXPORT_SYMBOL(pxa27x_clear_otgph); static unsigned long ac97_reset_config[] = { - GPIO113_GPIO, + GPIO113_AC97_nRESET_GPIO_HIGH, GPIO113_AC97_nRESET, - GPIO95_GPIO, + GPIO95_AC97_nRESET_GPIO_HIGH, GPIO95_AC97_nRESET, }; diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index e9a5fd7..69b17a9 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -72,9 +72,7 @@ void __noreturn cpu_idle(void) } } #ifdef CONFIG_HOTPLUG_CPU - if (!cpu_online(cpu) && !cpu_isset(cpu, cpu_callin_map) && - (system_state == SYSTEM_RUNNING || - system_state == SYSTEM_BOOTING)) + if (!cpu_online(cpu) && !cpu_isset(cpu, cpu_callin_map)) play_dead(); #endif rcu_idle_exit(); diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 58bddee..9e07bd0 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -422,7 +422,7 @@ _STATIC(__after_prom_start) tovirt(r6,r6) /* on booke, we already run at PAGE_OFFSET */ #endif -#ifdef CONFIG_CRASH_DUMP +#ifdef CONFIG_RELOCATABLE /* * Check if the kernel has to be running as relocatable kernel based on the * variable __run_at_load, if it is set the kernel is treated as relocatable diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 730e69c..e7dba0b 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -749,13 +749,8 @@ void update_vsyscall(struct timespec *wall_time, struct timespec *wtm, void update_vsyscall_tz(void) { - /* Make userspace gettimeofday spin until we're done. */ - ++vdso_data->tb_update_count; - smp_mb(); vdso_data->tz_minuteswest = sys_tz.tz_minuteswest; vdso_data->tz_dsttime = sys_tz.tz_dsttime; - smp_mb(); - ++vdso_data->tb_update_count; } static void __init clocksource_init(void) diff --git a/arch/powerpc/kvm/44x_emulate.c b/arch/powerpc/kvm/44x_emulate.c index 549bb2c..ded8a1a 100644 --- a/arch/powerpc/kvm/44x_emulate.c +++ b/arch/powerpc/kvm/44x_emulate.c @@ -79,6 +79,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, run->dcr.dcrn = dcrn; run->dcr.data = 0; run->dcr.is_write = 0; + vcpu->arch.dcr_is_write = 0; vcpu->arch.io_gpr = rt; vcpu->arch.dcr_needed = 1; kvmppc_account_exit(vcpu, DCR_EXITS); @@ -100,6 +101,7 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, run->dcr.dcrn = dcrn; run->dcr.data = kvmppc_get_gpr(vcpu, rs); run->dcr.is_write = 1; + vcpu->arch.dcr_is_write = 1; vcpu->arch.dcr_needed = 1; kvmppc_account_exit(vcpu, DCR_EXITS); emulated = EMULATE_DO_DCR; diff --git a/arch/powerpc/platforms/40x/ppc40x_simple.c b/arch/powerpc/platforms/40x/ppc40x_simple.c index 9761206..f0eee75 100644 --- a/arch/powerpc/platforms/40x/ppc40x_simple.c +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c @@ -57,7 +57,8 @@ static const char *board[] __initdata = { "amcc,makalu", "apm,klondike", "est,hotfoot", - "plathome,obs600" + "plathome,obs600", + NULL }; static int __init ppc40x_probe(void) diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 6b4976b..a9c8a46 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -612,6 +612,20 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c) } } + /* + * The way access filter has a performance penalty on some workloads. + * Disable it on the affected CPUs. + */ + if ((c->x86 == 0x15) && + (c->x86_model >= 0x02) && (c->x86_model < 0x20)) { + u64 val; + + if (!rdmsrl_safe(0xc0011021, &val) && !(val & 0x1E)) { + val |= 0x1E; + checking_wrmsrl(0xc0011021, val); + } + } + cpu_detect_cache_sizes(c); /* Multi core CPU? */ diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index bd3199c..619a2e4 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -789,8 +789,8 @@ acpi_bus_extract_wakeup_device_power_package(acpi_handle handle, static void acpi_bus_set_run_wake_flags(struct acpi_device *device) { struct acpi_device_id button_device_ids[] = { - {"PNP0C0D", 0}, {"PNP0C0C", 0}, + {"PNP0C0D", 0}, {"PNP0C0E", 0}, {"", 0}, }; @@ -802,6 +802,11 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device) /* Power button, Lid switch always enable wakeup */ if (!acpi_match_device_ids(device, button_device_ids)) { device->wakeup.flags.run_wake = 1; + if (!acpi_match_device_ids(device, &button_device_ids[1])) { + /* Do not use Lid/sleep button for S5 wakeup */ + if (device->wakeup.sleep_state == ACPI_STATE_S5) + device->wakeup.sleep_state = ACPI_STATE_S4; + } device_set_wakeup_capable(&device->dev, true); return; } diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index cf4837f..4b4caa3 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2536,6 +2536,7 @@ int ata_bus_probe(struct ata_port *ap) * bus as we may be talking too fast. */ dev->pio_mode = XFER_PIO_0; + dev->dma_mode = 0xff; /* If the controller has a pio mode setup function * then use it to set the chipset to rights. Don't diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index d1fbd59..e47c224 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2600,6 +2600,7 @@ int ata_eh_reset(struct ata_link *link, int classify, * bus as we may be talking too fast. */ dev->pio_mode = XFER_PIO_0; + dev->dma_mode = 0xff; /* If the controller has a pio mode setup function * then use it to set the chipset to rights. Don't diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 2222635..15863a4 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -309,7 +309,8 @@ ata_scsi_activity_show(struct device *dev, struct device_attribute *attr, struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *atadev = ata_scsi_find_dev(ap, sdev); - if (ap->ops->sw_activity_show && (ap->flags & ATA_FLAG_SW_ACTIVITY)) + if (atadev && ap->ops->sw_activity_show && + (ap->flags & ATA_FLAG_SW_ACTIVITY)) return ap->ops->sw_activity_show(atadev, buf); return -EINVAL; } @@ -324,7 +325,8 @@ ata_scsi_activity_store(struct device *dev, struct device_attribute *attr, enum sw_activity val; int rc; - if (ap->ops->sw_activity_store && (ap->flags & ATA_FLAG_SW_ACTIVITY)) { + if (atadev && ap->ops->sw_activity_store && + (ap->flags & ATA_FLAG_SW_ACTIVITY)) { val = simple_strtoul(buf, NULL, 0); switch (val) { case OFF: case BLINK_ON: case BLINK_OFF: diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 000fcc9..ef6e328 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -147,6 +147,10 @@ struct pdc_port_priv { dma_addr_t pkt_dma; }; +struct pdc_host_priv { + spinlock_t hard_reset_lock; +}; + static int pdc_sata_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val); static int pdc_sata_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); static int pdc_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); @@ -801,9 +805,10 @@ static void pdc_hard_reset_port(struct ata_port *ap) void __iomem *host_mmio = ap->host->iomap[PDC_MMIO_BAR]; void __iomem *pcictl_b1_mmio = host_mmio + PDC_PCI_CTL + 1; unsigned int ata_no = pdc_ata_port_to_ata_no(ap); + struct pdc_host_priv *hpriv = ap->host->private_data; u8 tmp; - spin_lock(&ap->host->lock); + spin_lock(&hpriv->hard_reset_lock); tmp = readb(pcictl_b1_mmio); tmp &= ~(0x10 << ata_no); @@ -814,7 +819,7 @@ static void pdc_hard_reset_port(struct ata_port *ap) writeb(tmp, pcictl_b1_mmio); readb(pcictl_b1_mmio); /* flush */ - spin_unlock(&ap->host->lock); + spin_unlock(&hpriv->hard_reset_lock); } static int pdc_sata_hardreset(struct ata_link *link, unsigned int *class, @@ -1182,6 +1187,7 @@ static int pdc_ata_init_one(struct pci_dev *pdev, const struct ata_port_info *pi = &pdc_port_info[ent->driver_data]; const struct ata_port_info *ppi[PDC_MAX_PORTS]; struct ata_host *host; + struct pdc_host_priv *hpriv; void __iomem *host_mmio; int n_ports, i, rc; int is_sataii_tx4; @@ -1218,6 +1224,11 @@ static int pdc_ata_init_one(struct pci_dev *pdev, dev_err(&pdev->dev, "failed to allocate host\n"); return -ENOMEM; } + hpriv = devm_kzalloc(&pdev->dev, sizeof *hpriv, GFP_KERNEL); + if (!hpriv) + return -ENOMEM; + spin_lock_init(&hpriv->hard_reset_lock); + host->private_data = hpriv; host->iomap = pcim_iomap_table(pdev); is_sataii_tx4 = pdc_is_sataii_tx4(pi->flags); diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 251eb70..8ab1eab 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -90,7 +90,7 @@ static ssize_t regmap_map_read_file(struct file *file, char __user *user_buf, /* If we're in the region the user is trying to read */ if (p >= *ppos) { /* ...but not beyond it */ - if (buf_pos >= count - 1 - tot_len) + if (buf_pos + 1 + tot_len >= count) break; /* Format the register */ diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c index c3e9dff..041fddf 100644 --- a/drivers/bcma/driver_mips.c +++ b/drivers/bcma/driver_mips.c @@ -115,7 +115,7 @@ static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq) bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) & ~(1 << irqflag)); else - bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq), 0); + bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(oldirq), 0); /* assign the new one */ if (irq == 0) { diff --git a/drivers/block/aoe/aoe.h b/drivers/block/aoe/aoe.h index db195ab..e49ddd0 100644 --- a/drivers/block/aoe/aoe.h +++ b/drivers/block/aoe/aoe.h @@ -1,5 +1,5 @@ /* Copyright (c) 2007 Coraid, Inc. See COPYING for GPL terms. */ -#define VERSION "47" +#define VERSION "47q" #define AOE_MAJOR 152 #define DEVICE_NAME "aoe" diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index 321de7b..7eca463 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -276,8 +276,6 @@ aoeblk_gdalloc(void *vp) goto err_mempool; blk_queue_make_request(d->blkq, aoeblk_make_request); d->blkq->backing_dev_info.name = "aoe"; - if (bdi_init(&d->blkq->backing_dev_info)) - goto err_blkq; spin_lock_irqsave(&d->lock, flags); gd->major = AOE_MAJOR; gd->first_minor = d->sysminor * AOE_PARTITIONS; @@ -298,9 +296,6 @@ aoeblk_gdalloc(void *vp) aoedisk_add_sysfs(d); return; -err_blkq: - blk_cleanup_queue(d->blkq); - d->blkq = NULL; err_mempool: mempool_destroy(d->bufpool); err_disk: diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 7b33136..cba3d02 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -71,7 +71,7 @@ #define DEV_NAME_LEN 32 #define MAX_INT_FORMAT_WIDTH ((5 * sizeof (int)) / 2 + 1) -#define RBD_NOTIFY_TIMEOUT_DEFAULT 10 +#define RBD_READ_ONLY_DEFAULT false /* * block device image metadata (in-memory version) @@ -94,7 +94,7 @@ struct rbd_image_header { }; struct rbd_options { - int notify_timeout; + bool read_only; }; /* @@ -174,9 +174,13 @@ struct rbd_device { /* protects updating the header */ struct rw_semaphore header_rwsem; + /* name of the snapshot this device reads from */ char snap_name[RBD_MAX_SNAP_NAME_LEN]; + /* id of the snapshot this device reads from */ u64 snap_id; /* current snapshot id */ - int read_only; + /* whether the snap_id this device reads from still exists */ + bool snap_exists; + bool read_only; struct list_head node; @@ -185,6 +189,7 @@ struct rbd_device { /* sysfs related */ struct device dev; + unsigned long open_count; }; static DEFINE_MUTEX(ctl_mutex); /* Serialize open/close/setup/teardown */ @@ -197,10 +202,6 @@ static DEFINE_SPINLOCK(rbd_client_list_lock); static int __rbd_init_snaps_header(struct rbd_device *rbd_dev); static void rbd_dev_release(struct device *dev); -static ssize_t rbd_snap_add(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count); static void __rbd_remove_snap_dev(struct rbd_device *rbd_dev, struct rbd_snap *snap); @@ -246,13 +247,15 @@ static int rbd_open(struct block_device *bdev, fmode_t mode) { struct rbd_device *rbd_dev = bdev->bd_disk->private_data; - rbd_get_dev(rbd_dev); - - set_device_ro(bdev, rbd_dev->read_only); - if ((mode & FMODE_WRITE) && rbd_dev->read_only) return -EROFS; + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + rbd_get_dev(rbd_dev); + set_device_ro(bdev, rbd_dev->read_only); + rbd_dev->open_count++; + mutex_unlock(&ctl_mutex); + return 0; } @@ -260,7 +263,11 @@ static int rbd_release(struct gendisk *disk, fmode_t mode) { struct rbd_device *rbd_dev = disk->private_data; + mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); + BUG_ON(!rbd_dev->open_count); + rbd_dev->open_count--; rbd_put_dev(rbd_dev); + mutex_unlock(&ctl_mutex); return 0; } @@ -342,17 +349,24 @@ static struct rbd_client *__rbd_client_find(struct ceph_options *opt) * mount options */ enum { - Opt_notify_timeout, Opt_last_int, /* int args above */ Opt_last_string, /* string args above */ + Opt_read_only, + Opt_read_write, + /* Boolean args above */ + Opt_last_bool, }; static match_table_t rbdopt_tokens = { - {Opt_notify_timeout, "notify_timeout=%d"}, /* int args above */ /* string args above */ + {Opt_read_only, "read_only"}, + {Opt_read_only, "ro"}, /* Alternate spelling */ + {Opt_read_write, "read_write"}, + {Opt_read_write, "rw"}, /* Alternate spelling */ + /* Boolean args above */ {-1, NULL} }; @@ -377,13 +391,18 @@ static int parse_rbd_opts_token(char *c, void *private) } else if (token > Opt_last_int && token < Opt_last_string) { dout("got string token %d val %s\n", token, argstr[0].from); + } else if (token > Opt_last_string && token < Opt_last_bool) { + dout("got Boolean token %d\n", token); } else { dout("got token %d\n", token); } switch (token) { - case Opt_notify_timeout: - rbdopt->notify_timeout = intval; + case Opt_read_only: + rbdopt->read_only = true; + break; + case Opt_read_write: + rbdopt->read_only = false; break; default: BUG_ON(token); @@ -407,7 +426,7 @@ static struct rbd_client *rbd_get_client(const char *mon_addr, if (!rbd_opts) return ERR_PTR(-ENOMEM); - rbd_opts->notify_timeout = RBD_NOTIFY_TIMEOUT_DEFAULT; + rbd_opts->read_only = RBD_READ_ONLY_DEFAULT; opt = ceph_parse_options(options, mon_addr, mon_addr + mon_addr_len, @@ -590,7 +609,8 @@ static int rbd_header_set_snap(struct rbd_device *dev, u64 *size) else snapc->seq = 0; dev->snap_id = CEPH_NOSNAP; - dev->read_only = 0; + dev->snap_exists = false; + dev->read_only = dev->rbd_client->rbd_opts->read_only; if (size) *size = header->image_size; } else { @@ -598,7 +618,8 @@ static int rbd_header_set_snap(struct rbd_device *dev, u64 *size) if (ret < 0) goto done; dev->snap_id = snapc->seq; - dev->read_only = 1; + dev->snap_exists = true; + dev->read_only = true; /* No choice for snapshots */ } ret = 0; @@ -609,7 +630,7 @@ done: static void rbd_header_free(struct rbd_image_header *header) { - kfree(header->snapc); + ceph_put_snap_context(header->snapc); kfree(header->snap_names); kfree(header->snap_sizes); } @@ -887,13 +908,10 @@ static int rbd_do_request(struct request *rq, dout("rbd_do_request obj=%s ofs=%lld len=%lld\n", obj, len, ofs); - down_read(&dev->header_rwsem); - osdc = &dev->rbd_client->client->osdc; req = ceph_osdc_alloc_request(osdc, flags, snapc, ops, false, GFP_NOIO, pages, bio); if (!req) { - up_read(&dev->header_rwsem); ret = -ENOMEM; goto done_pages; } @@ -920,15 +938,15 @@ static int rbd_do_request(struct request *rq, layout->fl_object_size = cpu_to_le32(1 << RBD_MAX_OBJ_ORDER); layout->fl_pg_preferred = cpu_to_le32(-1); layout->fl_pg_pool = cpu_to_le32(dev->poolid); - ceph_calc_raw_layout(osdc, layout, snapid, ofs, &len, &bno, - req, ops); + ret = ceph_calc_raw_layout(osdc, layout, snapid, ofs, &len, &bno, + req, ops); + BUG_ON(ret != 0); ceph_osdc_build_request(req, ofs, &len, ops, snapc, &mtime, req->r_oid, req->r_oid_len); - up_read(&dev->header_rwsem); if (linger_req) { ceph_osdc_set_request_linger(osdc, req); @@ -1193,7 +1211,7 @@ static int rbd_req_sync_notify_ack(struct rbd_device *dev, if (ret < 0) return ret; - ops[0].watch.ver = cpu_to_le64(dev->header.obj_version); + ops[0].watch.ver = cpu_to_le64(ver); ops[0].watch.cookie = notify_id; ops[0].watch.flag = 0; @@ -1213,6 +1231,7 @@ static int rbd_req_sync_notify_ack(struct rbd_device *dev, static void rbd_watch_cb(u64 ver, u64 notify_id, u8 opcode, void *data) { struct rbd_device *dev = (struct rbd_device *)data; + u64 hver; int rc; if (!dev) @@ -1222,12 +1241,13 @@ static void rbd_watch_cb(u64 ver, u64 notify_id, u8 opcode, void *data) notify_id, (int)opcode); mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); rc = __rbd_update_snaps(dev); + hver = dev->header.obj_version; mutex_unlock(&ctl_mutex); if (rc) pr_warning(RBD_DRV_NAME "%d got notification but failed to " " update snaps: %d\n", dev->major, rc); - rbd_req_sync_notify_ack(dev, ver, notify_id, dev->obj_md_name); + rbd_req_sync_notify_ack(dev, hver, notify_id, dev->obj_md_name); } /* @@ -1304,71 +1324,7 @@ static int rbd_req_sync_unwatch(struct rbd_device *dev, return ret; } -struct rbd_notify_info { - struct rbd_device *dev; -}; - -static void rbd_notify_cb(u64 ver, u64 notify_id, u8 opcode, void *data) -{ - struct rbd_device *dev = (struct rbd_device *)data; - if (!dev) - return; - - dout("rbd_notify_cb %s notify_id=%lld opcode=%d\n", dev->obj_md_name, - notify_id, (int)opcode); -} - -/* - * Request sync osd notify - */ -static int rbd_req_sync_notify(struct rbd_device *dev, - const char *obj) -{ - struct ceph_osd_req_op *ops; - struct ceph_osd_client *osdc = &dev->rbd_client->client->osdc; - struct ceph_osd_event *event; - struct rbd_notify_info info; - int payload_len = sizeof(u32) + sizeof(u32); - int ret; - - ret = rbd_create_rw_ops(&ops, 1, CEPH_OSD_OP_NOTIFY, payload_len); - if (ret < 0) - return ret; - - info.dev = dev; - - ret = ceph_osdc_create_event(osdc, rbd_notify_cb, 1, - (void *)&info, &event); - if (ret < 0) - goto fail; - - ops[0].watch.ver = 1; - ops[0].watch.flag = 1; - ops[0].watch.cookie = event->cookie; - ops[0].watch.prot_ver = RADOS_NOTIFY_VER; - ops[0].watch.timeout = 12; - - ret = rbd_req_sync_op(dev, NULL, - CEPH_NOSNAP, - 0, - CEPH_OSD_FLAG_WRITE | CEPH_OSD_FLAG_ONDISK, - ops, - 1, obj, 0, 0, NULL, NULL, NULL); - if (ret < 0) - goto fail_event; - - ret = ceph_osdc_wait_event(event, CEPH_OSD_TIMEOUT_DEFAULT); - dout("ceph_osdc_wait_event returned %d\n", ret); - rbd_destroy_ops(ops); - return 0; - -fail_event: - ceph_osdc_cancel_event(event); -fail: - rbd_destroy_ops(ops); - return ret; -} - +#if 0 /* * Request sync osd read */ @@ -1408,6 +1364,7 @@ static int rbd_req_sync_exec(struct rbd_device *dev, dout("cls_exec returned %d\n", ret); return ret; } +#endif static struct rbd_req_coll *rbd_alloc_coll(int num_reqs) { @@ -1440,6 +1397,7 @@ static void rbd_rq_fn(struct request_queue *q) u64 ofs; int num_segs, cur_seg = 0; struct rbd_req_coll *coll; + struct ceph_snap_context *snapc; /* peek at request from block layer */ if (!rq) @@ -1466,6 +1424,20 @@ static void rbd_rq_fn(struct request_queue *q) spin_unlock_irq(q->queue_lock); + down_read(&rbd_dev->header_rwsem); + + if (rbd_dev->snap_id != CEPH_NOSNAP && !rbd_dev->snap_exists) { + up_read(&rbd_dev->header_rwsem); + dout("request for non-existent snapshot"); + spin_lock_irq(q->queue_lock); + __blk_end_request_all(rq, -ENXIO); + continue; + } + + snapc = ceph_get_snap_context(rbd_dev->header.snapc); + + up_read(&rbd_dev->header_rwsem); + dout("%s 0x%x bytes at 0x%llx\n", do_write ? "write" : "read", size, blk_rq_pos(rq) * SECTOR_SIZE); @@ -1475,6 +1447,7 @@ static void rbd_rq_fn(struct request_queue *q) if (!coll) { spin_lock_irq(q->queue_lock); __blk_end_request_all(rq, -ENOMEM); + ceph_put_snap_context(snapc); continue; } @@ -1498,7 +1471,7 @@ static void rbd_rq_fn(struct request_queue *q) /* init OSD command: write or read */ if (do_write) rbd_req_write(rq, rbd_dev, - rbd_dev->header.snapc, + snapc, ofs, op_size, bio, coll, cur_seg); @@ -1521,6 +1494,8 @@ next_seg: if (bp) bio_pair_release(bp); spin_lock_irq(q->queue_lock); + + ceph_put_snap_context(snapc); } } @@ -1624,57 +1599,6 @@ out_dh: return rc; } -/* - * create a snapshot - */ -static int rbd_header_add_snap(struct rbd_device *dev, - const char *snap_name, - gfp_t gfp_flags) -{ - int name_len = strlen(snap_name); - u64 new_snapid; - int ret; - void *data, *p, *e; - u64 ver; - struct ceph_mon_client *monc; - - /* we should create a snapshot only if we're pointing at the head */ - if (dev->snap_id != CEPH_NOSNAP) - return -EINVAL; - - monc = &dev->rbd_client->client->monc; - ret = ceph_monc_create_snapid(monc, dev->poolid, &new_snapid); - dout("created snapid=%lld\n", new_snapid); - if (ret < 0) - return ret; - - data = kmalloc(name_len + 16, gfp_flags); - if (!data) - return -ENOMEM; - - p = data; - e = data + name_len + 16; - - ceph_encode_string_safe(&p, e, snap_name, name_len, bad); - ceph_encode_64_safe(&p, e, new_snapid, bad); - - ret = rbd_req_sync_exec(dev, dev->obj_md_name, "rbd", "snap_add", - data, p - data, &ver); - - kfree(data); - - if (ret < 0) - return ret; - - down_write(&dev->header_rwsem); - dev->header.snapc->seq = new_snapid; - up_write(&dev->header_rwsem); - - return 0; -bad: - return -ERANGE; -} - static void __rbd_remove_all_snaps(struct rbd_device *rbd_dev) { struct rbd_snap *snap; @@ -1699,10 +1623,15 @@ static int __rbd_update_snaps(struct rbd_device *rbd_dev) if (ret < 0) return ret; + down_write(&rbd_dev->header_rwsem); + /* resized? */ - set_capacity(rbd_dev->disk, h.image_size / SECTOR_SIZE); + if (rbd_dev->snap_id == CEPH_NOSNAP) { + sector_t size = (sector_t) h.image_size / SECTOR_SIZE; - down_write(&rbd_dev->header_rwsem); + dout("setting size to %llu sectors", (unsigned long long) size); + set_capacity(rbd_dev->disk, size); + } snap_seq = rbd_dev->header.snapc->seq; if (rbd_dev->header.total_snaps && @@ -1711,10 +1640,12 @@ static int __rbd_update_snaps(struct rbd_device *rbd_dev) if head moves */ follow_seq = 1; - kfree(rbd_dev->header.snapc); + ceph_put_snap_context(rbd_dev->header.snapc); kfree(rbd_dev->header.snap_names); kfree(rbd_dev->header.snap_sizes); + rbd_dev->header.obj_version = h.obj_version; + rbd_dev->header.image_size = h.image_size; rbd_dev->header.total_snaps = h.total_snaps; rbd_dev->header.snapc = h.snapc; rbd_dev->header.snap_names = h.snap_names; @@ -1818,8 +1749,13 @@ static ssize_t rbd_size_show(struct device *dev, struct device_attribute *attr, char *buf) { struct rbd_device *rbd_dev = dev_to_rbd_dev(dev); + sector_t size; + + down_read(&rbd_dev->header_rwsem); + size = get_capacity(rbd_dev->disk); + up_read(&rbd_dev->header_rwsem); - return sprintf(buf, "%llu\n", (unsigned long long)rbd_dev->header.image_size); + return sprintf(buf, "%llu\n", (unsigned long long) size * SECTOR_SIZE); } static ssize_t rbd_major_show(struct device *dev, @@ -1890,7 +1826,6 @@ static DEVICE_ATTR(pool, S_IRUGO, rbd_pool_show, NULL); static DEVICE_ATTR(name, S_IRUGO, rbd_name_show, NULL); static DEVICE_ATTR(refresh, S_IWUSR, NULL, rbd_image_refresh); static DEVICE_ATTR(current_snap, S_IRUGO, rbd_snap_show, NULL); -static DEVICE_ATTR(create_snap, S_IWUSR, NULL, rbd_snap_add); static struct attribute *rbd_attrs[] = { &dev_attr_size.attr, @@ -1900,7 +1835,6 @@ static struct attribute *rbd_attrs[] = { &dev_attr_name.attr, &dev_attr_current_snap.attr, &dev_attr_refresh.attr, - &dev_attr_create_snap.attr, NULL }; @@ -2069,7 +2003,14 @@ static int __rbd_init_snaps_header(struct rbd_device *rbd_dev) cur_id = rbd_dev->header.snapc->snaps[i - 1]; if (!i || old_snap->id < cur_id) { - /* old_snap->id was skipped, thus was removed */ + /* + * old_snap->id was skipped, thus was + * removed. If this rbd_dev is mapped to + * the removed snapshot, record that it no + * longer exists, to prevent further I/O. + */ + if (rbd_dev->snap_id == old_snap->id) + rbd_dev->snap_exists = false; __rbd_remove_snap_dev(rbd_dev, old_snap); continue; } @@ -2217,8 +2158,8 @@ static void rbd_id_put(struct rbd_device *rbd_dev) struct rbd_device *rbd_dev; rbd_dev = list_entry(tmp, struct rbd_device, node); - if (rbd_id > max_id) - max_id = rbd_id; + if (rbd_dev->id > max_id) + max_id = rbd_dev->id; } spin_unlock(&rbd_dev_list_lock); @@ -2515,6 +2456,11 @@ static ssize_t rbd_remove(struct bus_type *bus, goto done; } + if (rbd_dev->open_count) { + ret = -EBUSY; + goto done; + } + __rbd_remove_all_snaps(rbd_dev); rbd_bus_del_dev(rbd_dev); @@ -2523,47 +2469,6 @@ done: return ret; } -static ssize_t rbd_snap_add(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t count) -{ - struct rbd_device *rbd_dev = dev_to_rbd_dev(dev); - int ret; - char *name = kmalloc(count + 1, GFP_KERNEL); - if (!name) - return -ENOMEM; - - snprintf(name, count, "%s", buf); - - mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING); - - ret = rbd_header_add_snap(rbd_dev, - name, GFP_KERNEL); - if (ret < 0) - goto err_unlock; - - ret = __rbd_update_snaps(rbd_dev); - if (ret < 0) - goto err_unlock; - - /* shouldn't hold ctl_mutex when notifying.. notify might - trigger a watch callback that would need to get that mutex */ - mutex_unlock(&ctl_mutex); - - /* make a best effort, don't error if failed */ - rbd_req_sync_notify(rbd_dev, rbd_dev->obj_md_name); - - ret = count; - kfree(name); - return ret; - -err_unlock: - mutex_unlock(&ctl_mutex); - kfree(name); - return ret; -} - /* * create control files in sysfs * /sys/bus/rbd/... diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c index 08c6749..638e1f7 100644 --- a/drivers/firewire/net.c +++ b/drivers/firewire/net.c @@ -861,8 +861,8 @@ static void fwnet_receive_broadcast(struct fw_iso_context *context, if (specifier_id == IANA_SPECIFIER_ID && ver == RFC2734_SW_VERSION) { buf_ptr += 2; length -= IEEE1394_GASP_HDR_SIZE; - fwnet_incoming_packet(dev, buf_ptr, length, - source_node_id, -1, true); + fwnet_incoming_packet(dev, buf_ptr, length, source_node_id, + context->card->generation, true); } packet.payload_length = dev->rcv_buffer_size; @@ -958,7 +958,12 @@ static void fwnet_transmit_packet_done(struct fwnet_packet_task *ptask) break; } - skb_pull(skb, ptask->max_payload); + if (ptask->dest_node == IEEE1394_ALL_NODES) { + skb_pull(skb, + ptask->max_payload + IEEE1394_GASP_HDR_SIZE); + } else { + skb_pull(skb, ptask->max_payload); + } if (ptask->outstanding_pkts > 1) { fwnet_make_sf_hdr(&ptask->hdr, RFC2374_HDR_INTFRAG, dg_size, fg_off, datagram_label); @@ -1062,7 +1067,7 @@ static int fwnet_send_packet(struct fwnet_packet_task *ptask) smp_rmb(); node_id = dev->card->node_id; - p = skb_push(ptask->skb, 8); + p = skb_push(ptask->skb, IEEE1394_GASP_HDR_SIZE); put_unaligned_be32(node_id << 16 | IANA_SPECIFIER_ID >> 8, p); put_unaligned_be32((IANA_SPECIFIER_ID & 0xff) << 24 | RFC2734_SW_VERSION, &p[4]); diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 6e38325..9d9835a 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -66,6 +66,8 @@ #define EDID_QUIRK_FIRST_DETAILED_PREFERRED (1 << 5) /* use +hsync +vsync for detailed mode */ #define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6) +/* Force reduced-blanking timings for detailed modes */ +#define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7) struct detailed_mode_closure { struct drm_connector *connector; @@ -120,6 +122,9 @@ static struct edid_quirk { /* Samsung SyncMaster 22[5-6]BW */ { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 }, { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 }, + + /* ViewSonic VA2026w */ + { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING }, }; /*** DDC fetch and block validation ***/ @@ -852,12 +857,19 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, "Wrong Hsync/Vsync pulse width\n"); return NULL; } + + if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) { + mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false); + if (!mode) + return NULL; + + goto set_size; + } + mode = drm_mode_create(dev); if (!mode) return NULL; - mode->type = DRM_MODE_TYPE_DRIVER; - if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH) timing->pixel_clock = cpu_to_le16(1088); @@ -881,8 +893,6 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, drm_mode_do_interlace_quirk(mode, pt); - drm_mode_set_name(mode); - if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) { pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE; } @@ -892,6 +902,7 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC; +set_size: mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4; mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8; @@ -905,6 +916,9 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, mode->height_mm = edid->height_cm * 10; } + mode->type = DRM_MODE_TYPE_DRIVER; + drm_mode_set_name(mode); + return mode; } diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ae8a64f..89f3d4a 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -224,6 +224,7 @@ static const struct intel_device_info intel_sandybridge_d_info = { .has_bsd_ring = 1, .has_blt_ring = 1, .has_llc = 1, + .has_force_wake = 1, }; static const struct intel_device_info intel_sandybridge_m_info = { @@ -233,6 +234,7 @@ static const struct intel_device_info intel_sandybridge_m_info = { .has_bsd_ring = 1, .has_blt_ring = 1, .has_llc = 1, + .has_force_wake = 1, }; static const struct intel_device_info intel_ivybridge_d_info = { @@ -241,6 +243,7 @@ static const struct intel_device_info intel_ivybridge_d_info = { .has_bsd_ring = 1, .has_blt_ring = 1, .has_llc = 1, + .has_force_wake = 1, }; static const struct intel_device_info intel_ivybridge_m_info = { @@ -250,6 +253,7 @@ static const struct intel_device_info intel_ivybridge_m_info = { .has_bsd_ring = 1, .has_blt_ring = 1, .has_llc = 1, + .has_force_wake = 1, }; static const struct pci_device_id pciidlist[] = { /* aka */ @@ -993,6 +997,12 @@ MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL and additional rights"); +/* We give fast paths for the really cool registers */ +#define NEEDS_FORCE_WAKE(dev_priv, reg) \ + ((HAS_FORCE_WAKE((dev_priv)->dev)) && \ + ((reg) < 0x40000) && \ + ((reg) != FORCEWAKE)) + #define __i915_read(x, y) \ u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \ u##x val = 0; \ diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 5fabc6c..45c5cf8 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -255,6 +255,7 @@ struct intel_device_info { u8 is_broadwater:1; u8 is_crestline:1; u8 is_ivybridge:1; + u8 has_force_wake:1; u8 has_fbc:1; u8 has_pipe_cxsr:1; u8 has_hotplug:1; @@ -405,6 +406,8 @@ typedef struct drm_i915_private { unsigned int lvds_use_ssc:1; unsigned int display_clock_mode:1; int lvds_ssc_freq; + unsigned int bios_lvds_val; /* initial [PCH_]LVDS reg val in VBIOS */ + unsigned int lvds_val; /* used for checking LVDS channel mode */ struct { int rate; int lanes; @@ -1051,6 +1054,8 @@ struct drm_i915_file_private { #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT) #define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX) +#define HAS_FORCE_WAKE(dev) (INTEL_INFO(dev)->has_force_wake) + #include "i915_trace.h" /** @@ -1450,12 +1455,6 @@ void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv); void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv); int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv); -/* We give fast paths for the really cool registers */ -#define NEEDS_FORCE_WAKE(dev_priv, reg) \ - (((dev_priv)->info->gen >= 6) && \ - ((reg) < 0x40000) && \ - ((reg) != FORCEWAKE)) - #define __i915_read(x, y) \ u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0d1e4b7..a230a93 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -928,6 +928,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, } if (obj->gtt_space && + obj->tiling_mode == I915_TILING_NONE && obj->base.write_domain != I915_GEM_DOMAIN_CPU) { ret = i915_gem_object_pin(obj, 0, true); if (ret) @@ -3317,7 +3318,8 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj, struct drm_i915_private *dev_priv = dev->dev_private; int ret; - BUG_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT); + if (WARN_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT)) + return -EBUSY; WARN_ON(i915_verify_lists(dev)); if (obj->gtt_space != NULL) { diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 26c67a7..8bca2d2 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -530,6 +530,12 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS) if (de_iir & DE_GSE_IVB) intel_opregion_gse_intr(dev); + if (de_iir & DE_PIPEA_VBLANK_IVB) + drm_handle_vblank(dev, 0); + + if (de_iir & DE_PIPEB_VBLANK_IVB) + drm_handle_vblank(dev, 1); + if (de_iir & DE_PLANEA_FLIP_DONE_IVB) { intel_prepare_page_flip(dev, 0); intel_finish_page_flip_plane(dev, 0); @@ -540,12 +546,6 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS) intel_finish_page_flip_plane(dev, 1); } - if (de_iir & DE_PIPEA_VBLANK_IVB) - drm_handle_vblank(dev, 0); - - if (de_iir & DE_PIPEB_VBLANK_IVB) - drm_handle_vblank(dev, 1); - /* check event from PCH */ if (de_iir & DE_PCH_EVENT_IVB) { if (pch_iir & SDE_HOTPLUG_MASK_CPT) @@ -622,6 +622,12 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS) if (de_iir & DE_GSE) intel_opregion_gse_intr(dev); + if (de_iir & DE_PIPEA_VBLANK) + drm_handle_vblank(dev, 0); + + if (de_iir & DE_PIPEB_VBLANK) + drm_handle_vblank(dev, 1); + if (de_iir & DE_PLANEA_FLIP_DONE) { intel_prepare_page_flip(dev, 0); intel_finish_page_flip_plane(dev, 0); @@ -632,12 +638,6 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS) intel_finish_page_flip_plane(dev, 1); } - if (de_iir & DE_PIPEA_VBLANK) - drm_handle_vblank(dev, 0); - - if (de_iir & DE_PIPEB_VBLANK) - drm_handle_vblank(dev, 1); - /* check event from PCH */ if (de_iir & DE_PCH_EVENT) { if (pch_iir & hotplug_mask) @@ -2051,10 +2051,22 @@ static int i915_driver_irq_postinstall(struct drm_device *dev) hotplug_en |= HDMIC_HOTPLUG_INT_EN; if (dev_priv->hotplug_supported_mask & HDMID_HOTPLUG_INT_STATUS) hotplug_en |= HDMID_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS) - hotplug_en |= SDVOC_HOTPLUG_INT_EN; - if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS) - hotplug_en |= SDVOB_HOTPLUG_INT_EN; + if (IS_G4X(dev)) { + if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS_G4X) + hotplug_en |= SDVOC_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS_G4X) + hotplug_en |= SDVOB_HOTPLUG_INT_EN; + } else if (IS_GEN4(dev)) { + if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS_I965) + hotplug_en |= SDVOC_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS_I965) + hotplug_en |= SDVOB_HOTPLUG_INT_EN; + } else { + if (dev_priv->hotplug_supported_mask & SDVOC_HOTPLUG_INT_STATUS_I915) + hotplug_en |= SDVOC_HOTPLUG_INT_EN; + if (dev_priv->hotplug_supported_mask & SDVOB_HOTPLUG_INT_STATUS_I915) + hotplug_en |= SDVOB_HOTPLUG_INT_EN; + } if (dev_priv->hotplug_supported_mask & CRT_HOTPLUG_INT_STATUS) { hotplug_en |= CRT_HOTPLUG_INT_EN; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 29bfd89..27a296a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -197,6 +197,14 @@ #define MI_DISPLAY_FLIP MI_INSTR(0x14, 2) #define MI_DISPLAY_FLIP_I915 MI_INSTR(0x14, 1) #define MI_DISPLAY_FLIP_PLANE(n) ((n) << 20) +/* IVB has funny definitions for which plane to flip. */ +#define MI_DISPLAY_FLIP_IVB_PLANE_A (0 << 19) +#define MI_DISPLAY_FLIP_IVB_PLANE_B (1 << 19) +#define MI_DISPLAY_FLIP_IVB_SPRITE_A (2 << 19) +#define MI_DISPLAY_FLIP_IVB_SPRITE_B (3 << 19) +#define MI_DISPLAY_FLIP_IVB_PLANE_C (4 << 19) +#define MI_DISPLAY_FLIP_IVB_SPRITE_C (5 << 19) + #define MI_SET_CONTEXT MI_INSTR(0x18, 0) #define MI_MM_SPACE_GTT (1<<8) #define MI_MM_SPACE_PHYSICAL (0<<8) @@ -437,6 +445,9 @@ # define VS_TIMER_DISPATCH (1 << 6) # define MI_FLUSH_ENABLE (1 << 12) +#define GEN6_GT_MODE 0x20d0 +#define GEN6_GT_MODE_HI (1 << 9) + #define GFX_MODE 0x02520 #define GFX_MODE_GEN7 0x0229c #define RING_MODE_GEN7(ring) ((ring)->mmio_base+0x29c) @@ -1483,14 +1494,20 @@ #define DPC_HOTPLUG_INT_STATUS (1 << 28) #define HDMID_HOTPLUG_INT_STATUS (1 << 27) #define DPD_HOTPLUG_INT_STATUS (1 << 27) +/* CRT/TV common between gen3+ */ #define CRT_HOTPLUG_INT_STATUS (1 << 11) #define TV_HOTPLUG_INT_STATUS (1 << 10) #define CRT_HOTPLUG_MONITOR_MASK (3 << 8) #define CRT_HOTPLUG_MONITOR_COLOR (3 << 8) #define CRT_HOTPLUG_MONITOR_MONO (2 << 8) #define CRT_HOTPLUG_MONITOR_NONE (0 << 8) -#define SDVOC_HOTPLUG_INT_STATUS (1 << 7) -#define SDVOB_HOTPLUG_INT_STATUS (1 << 6) +/* SDVO is different across gen3/4 */ +#define SDVOC_HOTPLUG_INT_STATUS_G4X (1 << 3) +#define SDVOB_HOTPLUG_INT_STATUS_G4X (1 << 2) +#define SDVOC_HOTPLUG_INT_STATUS_I965 (3 << 4) +#define SDVOB_HOTPLUG_INT_STATUS_I965 (3 << 2) +#define SDVOC_HOTPLUG_INT_STATUS_I915 (1 << 7) +#define SDVOB_HOTPLUG_INT_STATUS_I915 (1 << 6) /* SDVO port control */ #define SDVOB 0x61140 @@ -3015,6 +3032,8 @@ #define _PFA_CTL_1 0x68080 #define _PFB_CTL_1 0x68880 #define PF_ENABLE (1<<31) +#define PF_PIPE_SEL_MASK_IVB (3<<29) +#define PF_PIPE_SEL_IVB(pipe) ((pipe)<<29) #define PF_FILTER_MASK (3<<23) #define PF_FILTER_PROGRAMMED (0<<23) #define PF_FILTER_MED_3x3 (1<<23) diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 3fe0524..a2c9e56 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -174,6 +174,28 @@ get_lvds_dvo_timing(const struct bdb_lvds_lfp_data *lvds_lfp_data, return (struct lvds_dvo_timing *)(entry + dvo_timing_offset); } +/* get lvds_fp_timing entry + * this function may return NULL if the corresponding entry is invalid + */ +static const struct lvds_fp_timing * +get_lvds_fp_timing(const struct bdb_header *bdb, + const struct bdb_lvds_lfp_data *data, + const struct bdb_lvds_lfp_data_ptrs *ptrs, + int index) +{ + size_t data_ofs = (const u8 *)data - (const u8 *)bdb; + u16 data_size = ((const u16 *)data)[-1]; /* stored in header */ + size_t ofs; + + if (index >= ARRAY_SIZE(ptrs->ptr)) + return NULL; + ofs = ptrs->ptr[index].fp_timing_offset; + if (ofs < data_ofs || + ofs + sizeof(struct lvds_fp_timing) > data_ofs + data_size) + return NULL; + return (const struct lvds_fp_timing *)((const u8 *)bdb + ofs); +} + /* Try to find integrated panel data */ static void parse_lfp_panel_data(struct drm_i915_private *dev_priv, @@ -183,6 +205,7 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, const struct bdb_lvds_lfp_data *lvds_lfp_data; const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs; const struct lvds_dvo_timing *panel_dvo_timing; + const struct lvds_fp_timing *fp_timing; struct drm_display_mode *panel_fixed_mode; int i, downclock; @@ -244,6 +267,19 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv, "Normal Clock %dKHz, downclock %dKHz\n", panel_fixed_mode->clock, 10*downclock); } + + fp_timing = get_lvds_fp_timing(bdb, lvds_lfp_data, + lvds_lfp_data_ptrs, + lvds_options->panel_type); + if (fp_timing) { + /* check the resolution, just to be sure */ + if (fp_timing->x_res == panel_fixed_mode->hdisplay && + fp_timing->y_res == panel_fixed_mode->vdisplay) { + dev_priv->bios_lvds_val = fp_timing->lvds_reg_val; + DRM_DEBUG_KMS("VBT initial LVDS value %x\n", + dev_priv->bios_lvds_val); + } + } } /* Try to find sdvo panel data */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index dd3e7e4..8e95c94 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -360,6 +360,27 @@ static const intel_limit_t intel_limits_ironlake_display_port = { .find_pll = intel_find_pll_ironlake_dp, }; +static bool is_dual_link_lvds(struct drm_i915_private *dev_priv, + unsigned int reg) +{ + unsigned int val; + + if (dev_priv->lvds_val) + val = dev_priv->lvds_val; + else { + /* BIOS should set the proper LVDS register value at boot, but + * in reality, it doesn't set the value when the lid is closed; + * we need to check "the value to be set" in VBT when LVDS + * register is uninitialized. + */ + val = I915_READ(reg); + if (!(val & ~LVDS_DETECTED)) + val = dev_priv->bios_lvds_val; + dev_priv->lvds_val = val; + } + return (val & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP; +} + static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc, int refclk) { @@ -368,8 +389,7 @@ static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc, const intel_limit_t *limit; if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { - if ((I915_READ(PCH_LVDS) & LVDS_CLKB_POWER_MASK) == - LVDS_CLKB_POWER_UP) { + if (is_dual_link_lvds(dev_priv, PCH_LVDS)) { /* LVDS dual channel */ if (refclk == 100000) limit = &intel_limits_ironlake_dual_lvds_100m; @@ -397,8 +417,7 @@ static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc) const intel_limit_t *limit; if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) { - if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) == - LVDS_CLKB_POWER_UP) + if (is_dual_link_lvds(dev_priv, LVDS)) /* LVDS with dual channel */ limit = &intel_limits_g4x_dual_channel_lvds; else @@ -536,8 +555,7 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, * reliably set up different single/dual channel state, if we * even can. */ - if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) == - LVDS_CLKB_POWER_UP) + if (is_dual_link_lvds(dev_priv, LVDS)) clock.p2 = limit->p2.p2_fast; else clock.p2 = limit->p2.p2_slow; @@ -2424,18 +2442,6 @@ static void intel_fdi_normal_train(struct drm_crtc *crtc) FDI_FE_ERRC_ENABLE); } -static void cpt_phase_pointer_enable(struct drm_device *dev, int pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - u32 flags = I915_READ(SOUTH_CHICKEN1); - - flags |= FDI_PHASE_SYNC_OVR(pipe); - I915_WRITE(SOUTH_CHICKEN1, flags); /* once to unlock... */ - flags |= FDI_PHASE_SYNC_EN(pipe); - I915_WRITE(SOUTH_CHICKEN1, flags); /* then again to enable */ - POSTING_READ(SOUTH_CHICKEN1); -} - /* The FDI link training functions for ILK/Ibexpeak. */ static void ironlake_fdi_link_train(struct drm_crtc *crtc) { @@ -2586,9 +2592,6 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc) POSTING_READ(reg); udelay(150); - if (HAS_PCH_CPT(dev)) - cpt_phase_pointer_enable(dev, pipe); - for (i = 0; i < 4; i++) { reg = FDI_TX_CTL(pipe); temp = I915_READ(reg); @@ -2707,9 +2710,6 @@ static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) POSTING_READ(reg); udelay(150); - if (HAS_PCH_CPT(dev)) - cpt_phase_pointer_enable(dev, pipe); - for (i = 0; i < 4; i++) { reg = FDI_TX_CTL(pipe); temp = I915_READ(reg); @@ -2819,17 +2819,6 @@ static void ironlake_fdi_pll_enable(struct drm_crtc *crtc) } } -static void cpt_phase_pointer_disable(struct drm_device *dev, int pipe) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - u32 flags = I915_READ(SOUTH_CHICKEN1); - - flags &= ~(FDI_PHASE_SYNC_EN(pipe)); - I915_WRITE(SOUTH_CHICKEN1, flags); /* once to disable... */ - flags &= ~(FDI_PHASE_SYNC_OVR(pipe)); - I915_WRITE(SOUTH_CHICKEN1, flags); /* then again to lock */ - POSTING_READ(SOUTH_CHICKEN1); -} static void ironlake_fdi_disable(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; @@ -2859,8 +2848,6 @@ static void ironlake_fdi_disable(struct drm_crtc *crtc) I915_WRITE(FDI_RX_CHICKEN(pipe), I915_READ(FDI_RX_CHICKEN(pipe) & ~FDI_RX_PHASE_SYNC_POINTER_EN)); - } else if (HAS_PCH_CPT(dev)) { - cpt_phase_pointer_disable(dev, pipe); } /* still set train pattern 1 */ @@ -2908,18 +2895,37 @@ static void intel_clear_scanline_wait(struct drm_device *dev) I915_WRITE_CTL(ring, tmp); } +static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + unsigned long flags; + bool pending; + + if (atomic_read(&dev_priv->mm.wedged)) + return false; + + spin_lock_irqsave(&dev->event_lock, flags); + pending = to_intel_crtc(crtc)->unpin_work != NULL; + spin_unlock_irqrestore(&dev->event_lock, flags); + + return pending; +} + static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) { - struct drm_i915_gem_object *obj; - struct drm_i915_private *dev_priv; + struct drm_device *dev = crtc->dev; + struct drm_i915_private *dev_priv = dev->dev_private; if (crtc->fb == NULL) return; - obj = to_intel_framebuffer(crtc->fb)->obj; - dev_priv = crtc->dev->dev_private; wait_event(dev_priv->pending_flip_queue, - atomic_read(&obj->pending_flip) == 0); + !intel_crtc_has_pending_flip(crtc)); + + mutex_lock(&dev->struct_mutex); + intel_finish_fb(crtc->fb); + mutex_unlock(&dev->struct_mutex); } static bool intel_crtc_driving_pch(struct drm_crtc *crtc) @@ -3095,7 +3101,11 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc) * as some pre-programmed values are broken, * e.g. x201. */ - I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); + if (IS_IVYBRIDGE(dev)) + I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | + PF_PIPE_SEL_IVB(pipe)); + else + I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); I915_WRITE(PF_WIN_POS(pipe), dev_priv->pch_pf_pos); I915_WRITE(PF_WIN_SZ(pipe), dev_priv->pch_pf_size); } @@ -3381,23 +3391,6 @@ static void intel_crtc_disable(struct drm_crtc *crtc) struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private; struct drm_device *dev = crtc->dev; - /* Flush any pending WAITs before we disable the pipe. Note that - * we need to drop the struct_mutex in order to acquire it again - * during the lowlevel dpms routines around a couple of the - * operations. It does not look trivial nor desirable to move - * that locking higher. So instead we leave a window for the - * submission of further commands on the fb before we can actually - * disable it. This race with userspace exists anyway, and we can - * only rely on the pipe being disabled by userspace after it - * receives the hotplug notification and has flushed any pending - * batches. - */ - if (crtc->fb) { - mutex_lock(&dev->struct_mutex); - intel_finish_fb(crtc->fb); - mutex_unlock(&dev->struct_mutex); - } - crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF); assert_plane_disabled(dev->dev_private, to_intel_crtc(crtc)->plane); assert_pipe_disabled(dev->dev_private, to_intel_crtc(crtc)->pipe); @@ -7286,9 +7279,8 @@ static void do_intel_finish_page_flip(struct drm_device *dev, atomic_clear_mask(1 << intel_crtc->plane, &obj->pending_flip.counter); - if (atomic_read(&obj->pending_flip) == 0) - wake_up(&dev_priv->pending_flip_queue); + wake_up(&dev_priv->pending_flip_queue); schedule_work(&work->work); trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj); @@ -7340,14 +7332,14 @@ static int intel_gen2_queue_flip(struct drm_device *dev, ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv)); if (ret) - goto out; + goto err; /* Offset into the new buffer for cases of shared fbs between CRTCs */ offset = crtc->y * fb->pitches[0] + crtc->x * fb->bits_per_pixel/8; ret = BEGIN_LP_RING(6); if (ret) - goto out; + goto err_unpin; /* Can't queue multiple flips, so wait for the previous * one to finish before executing the next. @@ -7364,7 +7356,11 @@ static int intel_gen2_queue_flip(struct drm_device *dev, OUT_RING(obj->gtt_offset + offset); OUT_RING(0); /* aux display base address, unused */ ADVANCE_LP_RING(); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } @@ -7381,14 +7377,14 @@ static int intel_gen3_queue_flip(struct drm_device *dev, ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv)); if (ret) - goto out; + goto err; /* Offset into the new buffer for cases of shared fbs between CRTCs */ offset = crtc->y * fb->pitches[0] + crtc->x * fb->bits_per_pixel/8; ret = BEGIN_LP_RING(6); if (ret) - goto out; + goto err_unpin; if (intel_crtc->plane) flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; @@ -7403,7 +7399,11 @@ static int intel_gen3_queue_flip(struct drm_device *dev, OUT_RING(MI_NOOP); ADVANCE_LP_RING(); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } @@ -7419,11 +7419,11 @@ static int intel_gen4_queue_flip(struct drm_device *dev, ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv)); if (ret) - goto out; + goto err; ret = BEGIN_LP_RING(4); if (ret) - goto out; + goto err_unpin; /* i965+ uses the linear or tiled offsets from the * Display Registers (which do not change across a page-flip) @@ -7442,7 +7442,11 @@ static int intel_gen4_queue_flip(struct drm_device *dev, pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; OUT_RING(pf | pipesrc); ADVANCE_LP_RING(); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } @@ -7458,11 +7462,11 @@ static int intel_gen6_queue_flip(struct drm_device *dev, ret = intel_pin_and_fence_fb_obj(dev, obj, LP_RING(dev_priv)); if (ret) - goto out; + goto err; ret = BEGIN_LP_RING(4); if (ret) - goto out; + goto err_unpin; OUT_RING(MI_DISPLAY_FLIP | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); @@ -7479,7 +7483,11 @@ static int intel_gen6_queue_flip(struct drm_device *dev, pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; OUT_RING(pf | pipesrc); ADVANCE_LP_RING(); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } @@ -7497,22 +7505,43 @@ static int intel_gen7_queue_flip(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_ring_buffer *ring = &dev_priv->ring[BCS]; + uint32_t plane_bit = 0; int ret; ret = intel_pin_and_fence_fb_obj(dev, obj, ring); if (ret) - goto out; + goto err; + + switch(intel_crtc->plane) { + case PLANE_A: + plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; + break; + case PLANE_B: + plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; + break; + case PLANE_C: + plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; + break; + default: + WARN_ONCE(1, "unknown plane in flip command\n"); + ret = -ENODEV; + goto err_unpin; + } ret = intel_ring_begin(ring, 4); if (ret) - goto out; + goto err_unpin; - intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | (intel_crtc->plane << 19)); + intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); intel_ring_emit(ring, (obj->gtt_offset)); intel_ring_emit(ring, (MI_NOOP)); intel_ring_advance(ring); -out: + return 0; + +err_unpin: + intel_unpin_fb_obj(obj); +err: return ret; } @@ -8611,6 +8640,11 @@ static void gen6_init_clock_gating(struct drm_device *dev) DISPPLANE_TRICKLE_FEED_DISABLE); intel_flush_display_plane(dev_priv, pipe); } + + /* The default value should be 0x200 according to docs, but the two + * platforms I checked have a 0 for this. (Maybe BIOS overrides?) */ + I915_WRITE(GEN6_GT_MODE, 0xffff << 16); + I915_WRITE(GEN6_GT_MODE, GEN6_GT_MODE_HI << 16 | GEN6_GT_MODE_HI); } static void gen7_setup_fixed_func_scheduler(struct drm_i915_private *dev_priv) diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index fb44e9d..c60100d 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -138,14 +138,17 @@ static void i9xx_write_infoframe(struct drm_encoder *encoder, I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags); + mmiowb(); for (i = 0; i < len; i += 4) { I915_WRITE(VIDEO_DIP_DATA, *data); data++; } + mmiowb(); flags |= intel_infoframe_flags(frame); I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags); + POSTING_READ(VIDEO_DIP_CTL); } static void ironlake_write_infoframe(struct drm_encoder *encoder, @@ -168,14 +171,17 @@ static void ironlake_write_infoframe(struct drm_encoder *encoder, I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags); + mmiowb(); for (i = 0; i < len; i += 4) { I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); data++; } + mmiowb(); flags |= intel_infoframe_flags(frame); I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags); + POSTING_READ(reg); } static void intel_set_infoframe(struct drm_encoder *encoder, struct dip_infoframe *frame) @@ -549,10 +555,13 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg) if (!HAS_PCH_SPLIT(dev)) { intel_hdmi->write_infoframe = i9xx_write_infoframe; I915_WRITE(VIDEO_DIP_CTL, 0); + POSTING_READ(VIDEO_DIP_CTL); } else { intel_hdmi->write_infoframe = ironlake_write_infoframe; - for_each_pipe(i) + for_each_pipe(i) { I915_WRITE(TVIDEO_DIP_CTL(i), 0); + POSTING_READ(TVIDEO_DIP_CTL(i)); + } } drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs); diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 802fec2..a8b28c4 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -779,14 +779,6 @@ static const struct dmi_system_id intel_no_lvds[] = { }, { .callback = intel_no_lvds_dmi_callback, - .ident = "ZOTAC ZBOXSD-ID12/ID13", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "ZOTAC"), - DMI_MATCH(DMI_BOARD_NAME, "ZBOXSD-ID12/ID13"), - }, - }, - { - .callback = intel_no_lvds_dmi_callback, .ident = "Gigabyte GA-D525TUD", .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co., Ltd."), diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 302d3d5..c17325c 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -249,10 +249,15 @@ u32 intel_ring_get_active_head(struct intel_ring_buffer *ring) static int init_ring_common(struct intel_ring_buffer *ring) { - drm_i915_private_t *dev_priv = ring->dev->dev_private; + struct drm_device *dev = ring->dev; + drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj = ring->obj; + int ret = 0; u32 head; + if (HAS_FORCE_WAKE(dev)) + gen6_gt_force_wake_get(dev_priv); + /* Stop the ring if it's running. */ I915_WRITE_CTL(ring, 0); I915_WRITE_HEAD(ring, 0); @@ -290,9 +295,9 @@ static int init_ring_common(struct intel_ring_buffer *ring) | RING_VALID); /* If the head is still not zero, the ring is dead */ - if ((I915_READ_CTL(ring) & RING_VALID) == 0 || - I915_READ_START(ring) != obj->gtt_offset || - (I915_READ_HEAD(ring) & HEAD_ADDR) != 0) { + if (wait_for((I915_READ_CTL(ring) & RING_VALID) != 0 && + I915_READ_START(ring) == obj->gtt_offset && + (I915_READ_HEAD(ring) & HEAD_ADDR) == 0, 50)) { DRM_ERROR("%s initialization failed " "ctl %08x head %08x tail %08x start %08x\n", ring->name, @@ -300,7 +305,8 @@ static int init_ring_common(struct intel_ring_buffer *ring) I915_READ_HEAD(ring), I915_READ_TAIL(ring), I915_READ_START(ring)); - return -EIO; + ret = -EIO; + goto out; } if (!drm_core_check_feature(ring->dev, DRIVER_MODESET)) @@ -312,7 +318,11 @@ static int init_ring_common(struct intel_ring_buffer *ring) ring->last_retired_head = -1; } - return 0; +out: + if (HAS_FORCE_WAKE(dev)) + gen6_gt_force_wake_put(dev_priv); + + return ret; } static int diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index b96e8c8..1b6b157 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2528,6 +2528,7 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg) struct drm_i915_private *dev_priv = dev->dev_private; struct intel_encoder *intel_encoder; struct intel_sdvo *intel_sdvo; + u32 hotplug_mask; int i; intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL); @@ -2558,10 +2559,17 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg) } } - if (IS_SDVOB(sdvo_reg)) - dev_priv->hotplug_supported_mask |= SDVOB_HOTPLUG_INT_STATUS; - else - dev_priv->hotplug_supported_mask |= SDVOC_HOTPLUG_INT_STATUS; + hotplug_mask = 0; + if (IS_G4X(dev)) { + hotplug_mask = IS_SDVOB(sdvo_reg) ? + SDVOB_HOTPLUG_INT_STATUS_G4X : SDVOC_HOTPLUG_INT_STATUS_G4X; + } else if (IS_GEN4(dev)) { + hotplug_mask = IS_SDVOB(sdvo_reg) ? + SDVOB_HOTPLUG_INT_STATUS_I965 : SDVOC_HOTPLUG_INT_STATUS_I965; + } else { + hotplug_mask = IS_SDVOB(sdvo_reg) ? + SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915; + } drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs); @@ -2569,14 +2577,6 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg) if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps)) goto err; - /* Set up hotplug command - note paranoia about contents of reply. - * We assume that the hardware is in a sane state, and only touch - * the bits we think we understand. - */ - intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, - &intel_sdvo->hotplug_active, 2); - intel_sdvo->hotplug_active[0] &= ~0x3; - if (intel_sdvo_output_setup(intel_sdvo, intel_sdvo->caps.output_flags) != true) { DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n", @@ -2584,6 +2584,12 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg) goto err; } + /* Only enable the hotplug irq if we need it, to work around noisy + * hotplug lines. + */ + if (intel_sdvo->hotplug_active[0]) + dev_priv->hotplug_supported_mask |= hotplug_mask; + intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg); /* Set the input timing to the screen. Assume always input 0. */ diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index 473f30a..71b6235 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -504,7 +504,7 @@ static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode) static inline bool is_powersaving_dpms(int mode) { - return (mode != DRM_MODE_DPMS_ON); + return mode != DRM_MODE_DPMS_ON && mode != NV_DPMS_CLEARED; } static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 19f4082..15594a3 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1533,8 +1533,12 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) * crtc virtual pixel clock. */ if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_encoder))) { - if (ASIC_IS_DCE5(rdev) || rdev->clock.dp_extclk) + if (rdev->clock.dp_extclk) return ATOM_PPLL_INVALID; + else if (ASIC_IS_DCE6(rdev)) + return ATOM_PPLL0; + else if (ASIC_IS_DCE5(rdev)) + return ATOM_DCPLL; } } } diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index f6176bc..23e3ea6 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -95,7 +95,7 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder, ((radeon_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) || (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE))) { struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); - radeon_dp_set_link_config(connector, mode); + radeon_dp_set_link_config(connector, adjusted_mode); } return true; diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 22c84bc..2cbd369 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -2670,6 +2670,7 @@ static bool evergreen_vm_reg_valid(u32 reg) /* check config regs */ switch (reg) { + case WAIT_UNTIL: case GRBM_GFX_INDEX: case CP_STRMOUT_CNTL: case CP_COHER_CNTL: diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 3fb7ca9..ab63bcd 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -689,7 +689,7 @@ radeon_vga_detect(struct drm_connector *connector, bool force) ret = connector_status_disconnected; if (radeon_connector->ddc_bus) - dret = radeon_ddc_probe(radeon_connector); + dret = radeon_ddc_probe(radeon_connector, false); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { @@ -895,7 +895,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) return connector->status; if (radeon_connector->ddc_bus) - dret = radeon_ddc_probe(radeon_connector); + dret = radeon_ddc_probe(radeon_connector, false); if (dret) { radeon_connector->detected_by_load = false; if (radeon_connector->edid) { @@ -1335,7 +1335,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (encoder) { /* setup ddc on the bridge */ radeon_atom_ext_encoder_setup_ddc(encoder); - if (radeon_ddc_probe(radeon_connector)) /* try DDC */ + /* bridge chips are always aux */ + if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */ ret = connector_status_connected; else if (radeon_connector->dac_load_detect) { /* try load detection */ struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; @@ -1353,7 +1354,8 @@ radeon_dp_detect(struct drm_connector *connector, bool force) if (radeon_dp_getdpcd(radeon_connector)) ret = connector_status_connected; } else { - if (radeon_ddc_probe(radeon_connector)) + /* try non-aux ddc (DP to DVI/HMDI/etc. adapter) */ + if (radeon_ddc_probe(radeon_connector, false)) ret = connector_status_connected; } } diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 0a1d4bd..173b97b 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -713,10 +713,15 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) if (radeon_connector->router.ddc_valid) radeon_router_select_ddc_port(radeon_connector); - if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || - (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) || - (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != - ENCODER_OBJECT_ID_NONE)) { + if (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != + ENCODER_OBJECT_ID_NONE) { + struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + + if (dig->dp_i2c_bus) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &dig->dp_i2c_bus->adapter); + } else if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || + (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) { struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c index 3edec1c..6076e85 100644 --- a/drivers/gpu/drm/radeon/radeon_i2c.c +++ b/drivers/gpu/drm/radeon/radeon_i2c.c @@ -39,7 +39,7 @@ extern u32 radeon_atom_hw_i2c_func(struct i2c_adapter *adap); * radeon_ddc_probe * */ -bool radeon_ddc_probe(struct radeon_connector *radeon_connector) +bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux) { u8 out = 0x0; u8 buf[8]; @@ -63,7 +63,13 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector) if (radeon_connector->router.ddc_valid) radeon_router_select_ddc_port(radeon_connector); - ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); + if (use_aux) { + struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + ret = i2c_transfer(&dig->dp_i2c_bus->adapter, msgs, 2); + } else { + ret = i2c_transfer(&radeon_connector->ddc_bus->adapter, msgs, 2); + } + if (ret != 2) /* Couldn't find an accessible DDC on this connector */ return false; diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index d92f483..53b07a3 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -617,6 +617,14 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc enum drm_connector_status found = connector_status_disconnected; bool color = true; + /* just don't bother on RN50 those chip are often connected to remoting + * console hw and often we get failure to load detect those. So to make + * everyone happy report the encoder as always connected. + */ + if (ASIC_IS_RN50(rdev)) { + return connector_status_connected; + } + /* save the regs we need */ vclk_ecp_cntl = RREG32_PLL(RADEON_VCLK_ECP_CNTL); crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL); diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index 778c1f0..dabfefd 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -527,7 +527,7 @@ extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c, u8 val); extern void radeon_router_select_ddc_port(struct radeon_connector *radeon_connector); extern void radeon_router_select_cd_port(struct radeon_connector *radeon_connector); -extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector); +extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector, bool use_aux); extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector); extern struct drm_encoder *radeon_best_encoder(struct drm_connector *connector); diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c index 8d9dc44..3234224 100644 --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -22,13 +22,17 @@ static u8 *udl_get_edid(struct udl_device *udl) { u8 *block; - char rbuf[3]; + char *rbuf; int ret, i; block = kmalloc(EDID_LENGTH, GFP_KERNEL); if (block == NULL) return NULL; + rbuf = kmalloc(2, GFP_KERNEL); + if (rbuf == NULL) + goto error; + for (i = 0; i < EDID_LENGTH; i++) { ret = usb_control_msg(udl->ddev->usbdev, usb_rcvctrlpipe(udl->ddev->usbdev, 0), (0x02), @@ -36,16 +40,17 @@ static u8 *udl_get_edid(struct udl_device *udl) HZ); if (ret < 1) { DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret); - i--; goto error; } block[i] = rbuf[1]; } + kfree(rbuf); return block; error: kfree(block); + kfree(rbuf); return NULL; } @@ -59,6 +64,14 @@ static int udl_get_modes(struct drm_connector *connector) connector->display_info.raw_edid = (char *)edid; + /* + * We only read the main block, but if the monitor reports extension + * blocks then the drm edid code expects them to be present, so patch + * the extension count to 0. + */ + edid->checksum += edid->extensions; + edid->extensions = 0; + drm_mode_connector_update_edid_property(connector, edid); ret = drm_add_edid_modes(connector, edid); connector->display_info.raw_edid = NULL; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 41ad6ff..5583899 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -664,6 +664,9 @@ #define USB_VENDOR_ID_SIGMA_MICRO 0x1c4f #define USB_DEVICE_ID_SIGMA_MICRO_KEYBOARD 0x0002 +#define USB_VENDOR_ID_SIGMATEL 0x066F +#define USB_DEVICE_ID_SIGMATEL_STMP3780 0x3780 + #define USB_VENDOR_ID_SKYCABLE 0x1223 #define USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER 0x3F07 diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index dc9697c..9fea98f 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -78,6 +78,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NOGET }, { USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_SIGMATEL, USB_DEVICE_ID_SIGMATEL_STMP3780, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_1, HID_QUIRK_NOGET }, { USB_VENDOR_ID_SYMBOL, USB_DEVICE_ID_SYMBOL_SCANNER_2, HID_QUIRK_NOGET }, diff --git a/drivers/hwmon/lm73.c b/drivers/hwmon/lm73.c index 8fa2632..7272176 100644 --- a/drivers/hwmon/lm73.c +++ b/drivers/hwmon/lm73.c @@ -49,6 +49,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, struct i2c_client *client = to_i2c_client(dev); long temp; short value; + s32 err; int status = kstrtol(buf, 10, &temp); if (status < 0) @@ -57,8 +58,8 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, /* Write value */ value = (short) SENSORS_LIMIT(temp/250, (LM73_TEMP_MIN*4), (LM73_TEMP_MAX*4)) << 5; - i2c_smbus_write_word_swapped(client, attr->index, value); - return count; + err = i2c_smbus_write_word_swapped(client, attr->index, value); + return (err < 0) ? err : count; } static ssize_t show_temp(struct device *dev, struct device_attribute *da, @@ -66,11 +67,16 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *da, { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); struct i2c_client *client = to_i2c_client(dev); + int temp; + + s32 err = i2c_smbus_read_word_swapped(client, attr->index); + if (err < 0) + return err; + /* use integer division instead of equivalent right shift to guarantee arithmetic shift and preserve the sign */ - int temp = ((s16) (i2c_smbus_read_word_swapped(client, - attr->index))*250) / 32; - return sprintf(buf, "%d\n", temp); + temp = (((s16) err) * 250) / 32; + return scnprintf(buf, PAGE_SIZE, "%d\n", temp); } diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h index c438e46..3f41d9f 100644 --- a/drivers/infiniband/hw/nes/nes.h +++ b/drivers/infiniband/hw/nes/nes.h @@ -524,6 +524,7 @@ void nes_iwarp_ce_handler(struct nes_device *, struct nes_hw_cq *); int nes_destroy_cqp(struct nes_device *); int nes_nic_cm_xmit(struct sk_buff *, struct net_device *); void nes_recheck_link_status(struct work_struct *work); +void nes_terminate_timeout(unsigned long context); /* nes_nic.c */ struct net_device *nes_netdev_init(struct nes_device *, void __iomem *); diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index d42c9f4..96801c3 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -75,7 +75,6 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev, static void process_critical_error(struct nes_device *nesdev); static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number); static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode); -static void nes_terminate_timeout(unsigned long context); static void nes_terminate_start_timer(struct nes_qp *nesqp); #ifdef CONFIG_INFINIBAND_NES_DEBUG @@ -3522,7 +3521,7 @@ static void nes_terminate_received(struct nes_device *nesdev, } /* Timeout routine in case terminate fails to complete */ -static void nes_terminate_timeout(unsigned long context) +void nes_terminate_timeout(unsigned long context) { struct nes_qp *nesqp = (struct nes_qp *)(unsigned long)context; @@ -3532,11 +3531,7 @@ static void nes_terminate_timeout(unsigned long context) /* Set a timer in case hw cannot complete the terminate sequence */ static void nes_terminate_start_timer(struct nes_qp *nesqp) { - init_timer(&nesqp->terminate_timer); - nesqp->terminate_timer.function = nes_terminate_timeout; - nesqp->terminate_timer.expires = jiffies + HZ; - nesqp->terminate_timer.data = (unsigned long)nesqp; - add_timer(&nesqp->terminate_timer); + mod_timer(&nesqp->terminate_timer, (jiffies + HZ)); } /** diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 8b8812d..da84ea3 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1404,6 +1404,9 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, } nesqp->sig_all = (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR); + init_timer(&nesqp->terminate_timer); + nesqp->terminate_timer.function = nes_terminate_timeout; + nesqp->terminate_timer.data = (unsigned long)nesqp; /* update the QP table */ nesdev->nesadapter->qp_table[nesqp->hwqp.qp_id-NES_FIRST_QPN] = nesqp; @@ -1413,7 +1416,6 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, return &nesqp->ibqp; } - /** * nes_clean_cq */ @@ -2559,6 +2561,11 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, return ibmr; case IWNES_MEMREG_TYPE_QP: case IWNES_MEMREG_TYPE_CQ: + if (!region->length) { + nes_debug(NES_DBG_MR, "Unable to register zero length region for CQ\n"); + ib_umem_release(region); + return ERR_PTR(-EINVAL); + } nespbl = kzalloc(sizeof(*nespbl), GFP_KERNEL); if (!nespbl) { nes_debug(NES_DBG_MR, "Unable to allocate PBL\n"); diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 0d251d3..9c34db8 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1826,10 +1826,17 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn, if (!pte) return -ENOMEM; /* It is large page*/ - if (largepage_lvl > 1) + if (largepage_lvl > 1) { pteval |= DMA_PTE_LARGE_PAGE; - else + /* Ensure that old small page tables are removed to make room + for superpage, if they exist. */ + dma_pte_clear_range(domain, iov_pfn, + iov_pfn + lvl_to_nr_pages(largepage_lvl) - 1); + dma_pte_free_pagetable(domain, iov_pfn, + iov_pfn + lvl_to_nr_pages(largepage_lvl) - 1); + } else { pteval &= ~(uint64_t)DMA_PTE_LARGE_PAGE; + } } /* We don't need lock here, nobody else diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index a1a3e6d..f011d4b 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1563,6 +1563,14 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl **param) if (copy_from_user(dmi, user, tmp.data_size)) goto bad; + /* + * Abort if something changed the ioctl data while it was being copied. + */ + if (dmi->data_size != tmp.data_size) { + DMERR("rejecting ioctl: data size modified while processing parameters"); + goto bad; + } + /* Wipe the user buffer so we do not return it to userspace */ if (secure_data && clear_user(user, tmp.data_size)) goto bad; diff --git a/drivers/md/persistent-data/dm-btree-internal.h b/drivers/md/persistent-data/dm-btree-internal.h index 5709bfe..accbb05 100644 --- a/drivers/md/persistent-data/dm-btree-internal.h +++ b/drivers/md/persistent-data/dm-btree-internal.h @@ -36,13 +36,13 @@ struct node_header { __le32 padding; } __packed; -struct node { +struct btree_node { struct node_header header; __le64 keys[0]; } __packed; -void inc_children(struct dm_transaction_manager *tm, struct node *n, +void inc_children(struct dm_transaction_manager *tm, struct btree_node *n, struct dm_btree_value_type *vt); int new_block(struct dm_btree_info *info, struct dm_block **result); @@ -64,7 +64,7 @@ struct ro_spine { void init_ro_spine(struct ro_spine *s, struct dm_btree_info *info); int exit_ro_spine(struct ro_spine *s); int ro_step(struct ro_spine *s, dm_block_t new_child); -struct node *ro_node(struct ro_spine *s); +struct btree_node *ro_node(struct ro_spine *s); struct shadow_spine { struct dm_btree_info *info; @@ -98,17 +98,17 @@ int shadow_root(struct shadow_spine *s); /* * Some inlines. */ -static inline __le64 *key_ptr(struct node *n, uint32_t index) +static inline __le64 *key_ptr(struct btree_node *n, uint32_t index) { return n->keys + index; } -static inline void *value_base(struct node *n) +static inline void *value_base(struct btree_node *n) { return &n->keys[le32_to_cpu(n->header.max_entries)]; } -static inline void *value_ptr(struct node *n, uint32_t index) +static inline void *value_ptr(struct btree_node *n, uint32_t index) { uint32_t value_size = le32_to_cpu(n->header.value_size); return value_base(n) + (value_size * index); @@ -117,7 +117,7 @@ static inline void *value_ptr(struct node *n, uint32_t index) /* * Assumes the values are suitably-aligned and converts to core format. */ -static inline uint64_t value64(struct node *n, uint32_t index) +static inline uint64_t value64(struct btree_node *n, uint32_t index) { __le64 *values_le = value_base(n); @@ -127,7 +127,7 @@ static inline uint64_t value64(struct node *n, uint32_t index) /* * Searching for a key within a single node. */ -int lower_bound(struct node *n, uint64_t key); +int lower_bound(struct btree_node *n, uint64_t key); extern struct dm_block_validator btree_node_validator; diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c index aa71e23..c4f2813 100644 --- a/drivers/md/persistent-data/dm-btree-remove.c +++ b/drivers/md/persistent-data/dm-btree-remove.c @@ -53,7 +53,7 @@ /* * Some little utilities for moving node data around. */ -static void node_shift(struct node *n, int shift) +static void node_shift(struct btree_node *n, int shift) { uint32_t nr_entries = le32_to_cpu(n->header.nr_entries); uint32_t value_size = le32_to_cpu(n->header.value_size); @@ -79,7 +79,7 @@ static void node_shift(struct node *n, int shift) } } -static void node_copy(struct node *left, struct node *right, int shift) +static void node_copy(struct btree_node *left, struct btree_node *right, int shift) { uint32_t nr_left = le32_to_cpu(left->header.nr_entries); uint32_t value_size = le32_to_cpu(left->header.value_size); @@ -108,7 +108,7 @@ static void node_copy(struct node *left, struct node *right, int shift) /* * Delete a specific entry from a leaf node. */ -static void delete_at(struct node *n, unsigned index) +static void delete_at(struct btree_node *n, unsigned index) { unsigned nr_entries = le32_to_cpu(n->header.nr_entries); unsigned nr_to_copy = nr_entries - (index + 1); @@ -128,7 +128,7 @@ static void delete_at(struct node *n, unsigned index) n->header.nr_entries = cpu_to_le32(nr_entries - 1); } -static unsigned merge_threshold(struct node *n) +static unsigned merge_threshold(struct btree_node *n) { return le32_to_cpu(n->header.max_entries) / 3; } @@ -136,7 +136,7 @@ static unsigned merge_threshold(struct node *n) struct child { unsigned index; struct dm_block *block; - struct node *n; + struct btree_node *n; }; static struct dm_btree_value_type le64_type = { @@ -147,7 +147,7 @@ static struct dm_btree_value_type le64_type = { .equal = NULL }; -static int init_child(struct dm_btree_info *info, struct node *parent, +static int init_child(struct dm_btree_info *info, struct btree_node *parent, unsigned index, struct child *result) { int r, inc; @@ -177,7 +177,7 @@ static int exit_child(struct dm_btree_info *info, struct child *c) return dm_tm_unlock(info->tm, c->block); } -static void shift(struct node *left, struct node *right, int count) +static void shift(struct btree_node *left, struct btree_node *right, int count) { uint32_t nr_left = le32_to_cpu(left->header.nr_entries); uint32_t nr_right = le32_to_cpu(right->header.nr_entries); @@ -203,11 +203,11 @@ static void shift(struct node *left, struct node *right, int count) right->header.nr_entries = cpu_to_le32(nr_right + count); } -static void __rebalance2(struct dm_btree_info *info, struct node *parent, +static void __rebalance2(struct dm_btree_info *info, struct btree_node *parent, struct child *l, struct child *r) { - struct node *left = l->n; - struct node *right = r->n; + struct btree_node *left = l->n; + struct btree_node *right = r->n; uint32_t nr_left = le32_to_cpu(left->header.nr_entries); uint32_t nr_right = le32_to_cpu(right->header.nr_entries); unsigned threshold = 2 * merge_threshold(left) + 1; @@ -239,7 +239,7 @@ static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info, unsigned left_index) { int r; - struct node *parent; + struct btree_node *parent; struct child left, right; parent = dm_block_data(shadow_current(s)); @@ -270,9 +270,9 @@ static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info, * in right, then rebalance2. This wastes some cpu, but I want something * simple atm. */ -static void delete_center_node(struct dm_btree_info *info, struct node *parent, +static void delete_center_node(struct dm_btree_info *info, struct btree_node *parent, struct child *l, struct child *c, struct child *r, - struct node *left, struct node *center, struct node *right, + struct btree_node *left, struct btree_node *center, struct btree_node *right, uint32_t nr_left, uint32_t nr_center, uint32_t nr_right) { uint32_t max_entries = le32_to_cpu(left->header.max_entries); @@ -301,9 +301,9 @@ static void delete_center_node(struct dm_btree_info *info, struct node *parent, /* * Redistributes entries among 3 sibling nodes. */ -static void redistribute3(struct dm_btree_info *info, struct node *parent, +static void redistribute3(struct dm_btree_info *info, struct btree_node *parent, struct child *l, struct child *c, struct child *r, - struct node *left, struct node *center, struct node *right, + struct btree_node *left, struct btree_node *center, struct btree_node *right, uint32_t nr_left, uint32_t nr_center, uint32_t nr_right) { int s; @@ -343,12 +343,12 @@ static void redistribute3(struct dm_btree_info *info, struct node *parent, *key_ptr(parent, r->index) = right->keys[0]; } -static void __rebalance3(struct dm_btree_info *info, struct node *parent, +static void __rebalance3(struct dm_btree_info *info, struct btree_node *parent, struct child *l, struct child *c, struct child *r) { - struct node *left = l->n; - struct node *center = c->n; - struct node *right = r->n; + struct btree_node *left = l->n; + struct btree_node *center = c->n; + struct btree_node *right = r->n; uint32_t nr_left = le32_to_cpu(left->header.nr_entries); uint32_t nr_center = le32_to_cpu(center->header.nr_entries); @@ -371,7 +371,7 @@ static int rebalance3(struct shadow_spine *s, struct dm_btree_info *info, unsigned left_index) { int r; - struct node *parent = dm_block_data(shadow_current(s)); + struct btree_node *parent = dm_block_data(shadow_current(s)); struct child left, center, right; /* @@ -421,7 +421,7 @@ static int get_nr_entries(struct dm_transaction_manager *tm, { int r; struct dm_block *block; - struct node *n; + struct btree_node *n; r = dm_tm_read_lock(tm, b, &btree_node_validator, &block); if (r) @@ -438,7 +438,7 @@ static int rebalance_children(struct shadow_spine *s, { int i, r, has_left_sibling, has_right_sibling; uint32_t child_entries; - struct node *n; + struct btree_node *n; n = dm_block_data(shadow_current(s)); @@ -483,7 +483,7 @@ static int rebalance_children(struct shadow_spine *s, return r; } -static int do_leaf(struct node *n, uint64_t key, unsigned *index) +static int do_leaf(struct btree_node *n, uint64_t key, unsigned *index) { int i = lower_bound(n, key); @@ -506,7 +506,7 @@ static int remove_raw(struct shadow_spine *s, struct dm_btree_info *info, uint64_t key, unsigned *index) { int i = *index, r; - struct node *n; + struct btree_node *n; for (;;) { r = shadow_step(s, root, vt); @@ -556,7 +556,7 @@ int dm_btree_remove(struct dm_btree_info *info, dm_block_t root, unsigned level, last_level = info->levels - 1; int index = 0, r = 0; struct shadow_spine spine; - struct node *n; + struct btree_node *n; init_shadow_spine(&spine, info); for (level = 0; level < info->levels; level++) { diff --git a/drivers/md/persistent-data/dm-btree-spine.c b/drivers/md/persistent-data/dm-btree-spine.c index d9a7912..2f0805c 100644 --- a/drivers/md/persistent-data/dm-btree-spine.c +++ b/drivers/md/persistent-data/dm-btree-spine.c @@ -23,7 +23,7 @@ static void node_prepare_for_write(struct dm_block_validator *v, struct dm_block *b, size_t block_size) { - struct node *n = dm_block_data(b); + struct btree_node *n = dm_block_data(b); struct node_header *h = &n->header; h->blocknr = cpu_to_le64(dm_block_location(b)); @@ -38,7 +38,7 @@ static int node_check(struct dm_block_validator *v, struct dm_block *b, size_t block_size) { - struct node *n = dm_block_data(b); + struct btree_node *n = dm_block_data(b); struct node_header *h = &n->header; size_t value_size; __le32 csum_disk; @@ -164,7 +164,7 @@ int ro_step(struct ro_spine *s, dm_block_t new_child) return r; } -struct node *ro_node(struct ro_spine *s) +struct btree_node *ro_node(struct ro_spine *s) { struct dm_block *block; diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index d12b2cc..371f3d4 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -38,7 +38,7 @@ static void array_insert(void *base, size_t elt_size, unsigned nr_elts, /*----------------------------------------------------------------*/ /* makes the assumption that no two keys are the same. */ -static int bsearch(struct node *n, uint64_t key, int want_hi) +static int bsearch(struct btree_node *n, uint64_t key, int want_hi) { int lo = -1, hi = le32_to_cpu(n->header.nr_entries); @@ -58,12 +58,12 @@ static int bsearch(struct node *n, uint64_t key, int want_hi) return want_hi ? hi : lo; } -int lower_bound(struct node *n, uint64_t key) +int lower_bound(struct btree_node *n, uint64_t key) { return bsearch(n, key, 0); } -void inc_children(struct dm_transaction_manager *tm, struct node *n, +void inc_children(struct dm_transaction_manager *tm, struct btree_node *n, struct dm_btree_value_type *vt) { unsigned i; @@ -77,7 +77,7 @@ void inc_children(struct dm_transaction_manager *tm, struct node *n, vt->inc(vt->context, value_ptr(n, i)); } -static int insert_at(size_t value_size, struct node *node, unsigned index, +static int insert_at(size_t value_size, struct btree_node *node, unsigned index, uint64_t key, void *value) __dm_written_to_disk(value) { @@ -122,7 +122,7 @@ int dm_btree_empty(struct dm_btree_info *info, dm_block_t *root) { int r; struct dm_block *b; - struct node *n; + struct btree_node *n; size_t block_size; uint32_t max_entries; @@ -154,7 +154,7 @@ EXPORT_SYMBOL_GPL(dm_btree_empty); #define MAX_SPINE_DEPTH 64 struct frame { struct dm_block *b; - struct node *n; + struct btree_node *n; unsigned level; unsigned nr_children; unsigned current_child; @@ -295,7 +295,7 @@ EXPORT_SYMBOL_GPL(dm_btree_del); /*----------------------------------------------------------------*/ static int btree_lookup_raw(struct ro_spine *s, dm_block_t block, uint64_t key, - int (*search_fn)(struct node *, uint64_t), + int (*search_fn)(struct btree_node *, uint64_t), uint64_t *result_key, void *v, size_t value_size) { int i, r; @@ -406,7 +406,7 @@ static int btree_split_sibling(struct shadow_spine *s, dm_block_t root, size_t size; unsigned nr_left, nr_right; struct dm_block *left, *right, *parent; - struct node *ln, *rn, *pn; + struct btree_node *ln, *rn, *pn; __le64 location; left = shadow_current(s); @@ -491,7 +491,7 @@ static int btree_split_beneath(struct shadow_spine *s, uint64_t key) size_t size; unsigned nr_left, nr_right; struct dm_block *left, *right, *new_parent; - struct node *pn, *ln, *rn; + struct btree_node *pn, *ln, *rn; __le64 val; new_parent = shadow_current(s); @@ -576,7 +576,7 @@ static int btree_insert_raw(struct shadow_spine *s, dm_block_t root, uint64_t key, unsigned *index) { int r, i = *index, top = 1; - struct node *node; + struct btree_node *node; for (;;) { r = shadow_step(s, root, vt); @@ -643,7 +643,7 @@ static int insert(struct dm_btree_info *info, dm_block_t root, unsigned level, index = -1, last_level = info->levels - 1; dm_block_t block = root; struct shadow_spine spine; - struct node *n; + struct btree_node *n; struct dm_btree_value_type le64_type; le64_type.context = NULL; diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index ffc3d48..ef80da6 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -19,6 +19,10 @@ #include #include +static struct device_type mfd_dev_type = { + .name = "mfd_device", +}; + int mfd_cell_enable(struct platform_device *pdev) { const struct mfd_cell *cell = mfd_get_cell(pdev); @@ -88,6 +92,7 @@ static int mfd_add_device(struct device *parent, int id, goto fail_device; pdev->dev.parent = parent; + pdev->dev.type = &mfd_dev_type; if (cell->pdata_size) { ret = platform_device_add_data(pdev, @@ -183,10 +188,16 @@ EXPORT_SYMBOL(mfd_add_devices); static int mfd_remove_devices_fn(struct device *dev, void *c) { - struct platform_device *pdev = to_platform_device(dev); - const struct mfd_cell *cell = mfd_get_cell(pdev); + struct platform_device *pdev; + const struct mfd_cell *cell; atomic_t **usage_count = c; + if (dev->type != &mfd_dev_type) + return 0; + + pdev = to_platform_device(dev); + cell = mfd_get_cell(pdev); + /* find the base address of usage_count pointers (for freeing) */ if (!*usage_count || (cell->usage_count < *usage_count)) *usage_count = cell->usage_count; diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index 9d7ca1e..8d46e68 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -541,6 +541,7 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq) case 1: case 2: case 3: + case 4: regmap_patch = wm1811_reva_patch; patch_regs = ARRAY_SIZE(wm1811_reva_patch); break; diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c index 821c34c..0b9b472 100644 --- a/drivers/mtd/nand/cs553x_nand.c +++ b/drivers/mtd/nand/cs553x_nand.c @@ -237,6 +237,7 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr) this->ecc.hwctl = cs_enable_hwecc; this->ecc.calculate = cs_calculate_ecc; this->ecc.correct = nand_correct_data; + this->ecc.strength = 1; /* Enable the following for a flash based bad block table */ this->bbt_options = NAND_BBT_USE_FLASH; @@ -248,8 +249,6 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr) goto out_ior; } - this->ecc.strength = 1; - new_mtd->name = kasprintf(GFP_KERNEL, "cs553x_nand_cs%d", cs); cs553x_mtd[cs] = new_mtd; diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c index e8ea710..022feb4 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c @@ -135,6 +135,15 @@ int gpmi_init(struct gpmi_nand_data *this) if (ret) goto err_out; + /* + * Reset BCH here, too. We got failures otherwise :( + * See later BCH reset for explanation of MX23 handling + */ + ret = gpmi_reset_block(r->bch_regs, GPMI_IS_MX23(this)); + if (ret) + goto err_out; + + /* Choose NAND mode. */ writel(BM_GPMI_CTRL1_GPMI_MODE, r->gpmi_regs + HW_GPMI_CTRL1_CLR); diff --git a/drivers/net/wimax/i2400m/i2400m-usb.h b/drivers/net/wimax/i2400m/i2400m-usb.h index 6650fde..9f1e947 100644 --- a/drivers/net/wimax/i2400m/i2400m-usb.h +++ b/drivers/net/wimax/i2400m/i2400m-usb.h @@ -152,6 +152,9 @@ enum { /* Device IDs */ USB_DEVICE_ID_I6050 = 0x0186, USB_DEVICE_ID_I6050_2 = 0x0188, + USB_DEVICE_ID_I6150 = 0x07d6, + USB_DEVICE_ID_I6150_2 = 0x07d7, + USB_DEVICE_ID_I6150_3 = 0x07d9, USB_DEVICE_ID_I6250 = 0x0187, }; diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index 29b1e03..f0f16e0 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -510,6 +510,9 @@ int i2400mu_probe(struct usb_interface *iface, switch (id->idProduct) { case USB_DEVICE_ID_I6050: case USB_DEVICE_ID_I6050_2: + case USB_DEVICE_ID_I6150: + case USB_DEVICE_ID_I6150_2: + case USB_DEVICE_ID_I6150_3: case USB_DEVICE_ID_I6250: i2400mu->i6050 = 1; break; @@ -759,6 +762,9 @@ static struct usb_device_id i2400mu_id_table[] = { { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050) }, { USB_DEVICE(0x8086, USB_DEVICE_ID_I6050_2) }, + { USB_DEVICE(0x8087, USB_DEVICE_ID_I6150) }, + { USB_DEVICE(0x8087, USB_DEVICE_ID_I6150_2) }, + { USB_DEVICE(0x8087, USB_DEVICE_ID_I6150_3) }, { USB_DEVICE(0x8086, USB_DEVICE_ID_I6250) }, { USB_DEVICE(0x8086, 0x0181) }, { USB_DEVICE(0x8086, 0x1403) }, diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 0e643b0..c7d1437 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -843,7 +843,7 @@ ath5k_txbuf_free_skb(struct ath5k_hw *ah, struct ath5k_buf *bf) return; dma_unmap_single(ah->dev, bf->skbaddr, bf->skb->len, DMA_TO_DEVICE); - dev_kfree_skb_any(bf->skb); + ieee80211_free_txskb(ah->hw, bf->skb); bf->skb = NULL; bf->skbaddr = 0; bf->desc->ds_data = 0; @@ -1570,7 +1570,7 @@ ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, return; drop_packet: - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); } static void diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c index 5c53299..5d1be4d 100644 --- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c +++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c @@ -59,7 +59,7 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) u16 qnum = skb_get_queue_mapping(skb); if (WARN_ON(qnum >= ah->ah_capabilities.cap_queues.q_tx_num)) { - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); return; } diff --git a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h index 2b4b633..4e2a52c 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h @@ -533,98 +533,98 @@ static const u32 ar9300_2p2_baseband_core[][2] = { static const u32 ar9300Modes_high_power_tx_gain_table_2p2[][5] = { /* Addr 5G_HT20 5G_HT40 2G_HT40 2G_HT20 */ - {0x0000a2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352}, - {0x0000a2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584}, - {0x0000a2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800}, + {0x0000a2dc, 0x0380c7fc, 0x0380c7fc, 0x03aaa352, 0x03aaa352}, + {0x0000a2e0, 0x0000f800, 0x0000f800, 0x03ccc584, 0x03ccc584}, + {0x0000a2e4, 0x03ff0000, 0x03ff0000, 0x03f0f800, 0x03f0f800}, {0x0000a2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000}, - {0x0000a410, 0x000050d9, 0x000050d9, 0x000050d9, 0x000050d9}, - {0x0000a500, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, - {0x0000a504, 0x06000003, 0x06000003, 0x04000002, 0x04000002}, - {0x0000a508, 0x0a000020, 0x0a000020, 0x08000004, 0x08000004}, - {0x0000a50c, 0x10000023, 0x10000023, 0x0b000200, 0x0b000200}, - {0x0000a510, 0x16000220, 0x16000220, 0x0f000202, 0x0f000202}, - {0x0000a514, 0x1c000223, 0x1c000223, 0x12000400, 0x12000400}, - {0x0000a518, 0x21002220, 0x21002220, 0x16000402, 0x16000402}, - {0x0000a51c, 0x27002223, 0x27002223, 0x19000404, 0x19000404}, - {0x0000a520, 0x2b022220, 0x2b022220, 0x1c000603, 0x1c000603}, - {0x0000a524, 0x2f022222, 0x2f022222, 0x21000a02, 0x21000a02}, - {0x0000a528, 0x34022225, 0x34022225, 0x25000a04, 0x25000a04}, - {0x0000a52c, 0x3a02222a, 0x3a02222a, 0x28000a20, 0x28000a20}, - {0x0000a530, 0x3e02222c, 0x3e02222c, 0x2c000e20, 0x2c000e20}, - {0x0000a534, 0x4202242a, 0x4202242a, 0x30000e22, 0x30000e22}, - {0x0000a538, 0x4702244a, 0x4702244a, 0x34000e24, 0x34000e24}, - {0x0000a53c, 0x4b02244c, 0x4b02244c, 0x38001640, 0x38001640}, - {0x0000a540, 0x4e02246c, 0x4e02246c, 0x3c001660, 0x3c001660}, - {0x0000a544, 0x52022470, 0x52022470, 0x3f001861, 0x3f001861}, - {0x0000a548, 0x55022490, 0x55022490, 0x43001a81, 0x43001a81}, - {0x0000a54c, 0x59022492, 0x59022492, 0x47001a83, 0x47001a83}, - {0x0000a550, 0x5d022692, 0x5d022692, 0x4a001c84, 0x4a001c84}, - {0x0000a554, 0x61022892, 0x61022892, 0x4e001ce3, 0x4e001ce3}, - {0x0000a558, 0x65024890, 0x65024890, 0x52001ce5, 0x52001ce5}, - {0x0000a55c, 0x69024892, 0x69024892, 0x56001ce9, 0x56001ce9}, - {0x0000a560, 0x6e024c92, 0x6e024c92, 0x5a001ceb, 0x5a001ceb}, - {0x0000a564, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec}, - {0x0000a568, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec}, - {0x0000a56c, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec}, - {0x0000a570, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec}, - {0x0000a574, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec}, - {0x0000a578, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec}, - {0x0000a57c, 0x74026e92, 0x74026e92, 0x5d001eec, 0x5d001eec}, - {0x0000a580, 0x00800000, 0x00800000, 0x00800000, 0x00800000}, - {0x0000a584, 0x06800003, 0x06800003, 0x04800002, 0x04800002}, - {0x0000a588, 0x0a800020, 0x0a800020, 0x08800004, 0x08800004}, - {0x0000a58c, 0x10800023, 0x10800023, 0x0b800200, 0x0b800200}, - {0x0000a590, 0x16800220, 0x16800220, 0x0f800202, 0x0f800202}, - {0x0000a594, 0x1c800223, 0x1c800223, 0x12800400, 0x12800400}, - {0x0000a598, 0x21802220, 0x21802220, 0x16800402, 0x16800402}, - {0x0000a59c, 0x27802223, 0x27802223, 0x19800404, 0x19800404}, - {0x0000a5a0, 0x2b822220, 0x2b822220, 0x1c800603, 0x1c800603}, - {0x0000a5a4, 0x2f822222, 0x2f822222, 0x21800a02, 0x21800a02}, - {0x0000a5a8, 0x34822225, 0x34822225, 0x25800a04, 0x25800a04}, - {0x0000a5ac, 0x3a82222a, 0x3a82222a, 0x28800a20, 0x28800a20}, - {0x0000a5b0, 0x3e82222c, 0x3e82222c, 0x2c800e20, 0x2c800e20}, - {0x0000a5b4, 0x4282242a, 0x4282242a, 0x30800e22, 0x30800e22}, - {0x0000a5b8, 0x4782244a, 0x4782244a, 0x34800e24, 0x34800e24}, - {0x0000a5bc, 0x4b82244c, 0x4b82244c, 0x38801640, 0x38801640}, - {0x0000a5c0, 0x4e82246c, 0x4e82246c, 0x3c801660, 0x3c801660}, - {0x0000a5c4, 0x52822470, 0x52822470, 0x3f801861, 0x3f801861}, - {0x0000a5c8, 0x55822490, 0x55822490, 0x43801a81, 0x43801a81}, - {0x0000a5cc, 0x59822492, 0x59822492, 0x47801a83, 0x47801a83}, - {0x0000a5d0, 0x5d822692, 0x5d822692, 0x4a801c84, 0x4a801c84}, - {0x0000a5d4, 0x61822892, 0x61822892, 0x4e801ce3, 0x4e801ce3}, - {0x0000a5d8, 0x65824890, 0x65824890, 0x52801ce5, 0x52801ce5}, - {0x0000a5dc, 0x69824892, 0x69824892, 0x56801ce9, 0x56801ce9}, - {0x0000a5e0, 0x6e824c92, 0x6e824c92, 0x5a801ceb, 0x5a801ceb}, - {0x0000a5e4, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec}, - {0x0000a5e8, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec}, - {0x0000a5ec, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec}, - {0x0000a5f0, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec}, - {0x0000a5f4, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec}, - {0x0000a5f8, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec}, - {0x0000a5fc, 0x74826e92, 0x74826e92, 0x5d801eec, 0x5d801eec}, + {0x0000a410, 0x000050d8, 0x000050d8, 0x000050d9, 0x000050d9}, + {0x0000a500, 0x00002220, 0x00002220, 0x00000000, 0x00000000}, + {0x0000a504, 0x04002222, 0x04002222, 0x04000002, 0x04000002}, + {0x0000a508, 0x09002421, 0x09002421, 0x08000004, 0x08000004}, + {0x0000a50c, 0x0d002621, 0x0d002621, 0x0b000200, 0x0b000200}, + {0x0000a510, 0x13004620, 0x13004620, 0x0f000202, 0x0f000202}, + {0x0000a514, 0x19004a20, 0x19004a20, 0x11000400, 0x11000400}, + {0x0000a518, 0x1d004e20, 0x1d004e20, 0x15000402, 0x15000402}, + {0x0000a51c, 0x21005420, 0x21005420, 0x19000404, 0x19000404}, + {0x0000a520, 0x26005e20, 0x26005e20, 0x1b000603, 0x1b000603}, + {0x0000a524, 0x2b005e40, 0x2b005e40, 0x1f000a02, 0x1f000a02}, + {0x0000a528, 0x2f005e42, 0x2f005e42, 0x23000a04, 0x23000a04}, + {0x0000a52c, 0x33005e44, 0x33005e44, 0x26000a20, 0x26000a20}, + {0x0000a530, 0x38005e65, 0x38005e65, 0x2a000e20, 0x2a000e20}, + {0x0000a534, 0x3c005e69, 0x3c005e69, 0x2e000e22, 0x2e000e22}, + {0x0000a538, 0x40005e6b, 0x40005e6b, 0x31000e24, 0x31000e24}, + {0x0000a53c, 0x44005e6d, 0x44005e6d, 0x34001640, 0x34001640}, + {0x0000a540, 0x49005e72, 0x49005e72, 0x38001660, 0x38001660}, + {0x0000a544, 0x4e005eb2, 0x4e005eb2, 0x3b001861, 0x3b001861}, + {0x0000a548, 0x53005f12, 0x53005f12, 0x3e001a81, 0x3e001a81}, + {0x0000a54c, 0x59025eb2, 0x59025eb2, 0x42001a83, 0x42001a83}, + {0x0000a550, 0x5e025f12, 0x5e025f12, 0x44001c84, 0x44001c84}, + {0x0000a554, 0x61027f12, 0x61027f12, 0x48001ce3, 0x48001ce3}, + {0x0000a558, 0x6702bf12, 0x6702bf12, 0x4c001ce5, 0x4c001ce5}, + {0x0000a55c, 0x6b02bf14, 0x6b02bf14, 0x50001ce9, 0x50001ce9}, + {0x0000a560, 0x6f02bf16, 0x6f02bf16, 0x54001ceb, 0x54001ceb}, + {0x0000a564, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec}, + {0x0000a568, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec}, + {0x0000a56c, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec}, + {0x0000a570, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec}, + {0x0000a574, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec}, + {0x0000a578, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec}, + {0x0000a57c, 0x6f02bf16, 0x6f02bf16, 0x56001eec, 0x56001eec}, + {0x0000a580, 0x00802220, 0x00802220, 0x00800000, 0x00800000}, + {0x0000a584, 0x04802222, 0x04802222, 0x04800002, 0x04800002}, + {0x0000a588, 0x09802421, 0x09802421, 0x08800004, 0x08800004}, + {0x0000a58c, 0x0d802621, 0x0d802621, 0x0b800200, 0x0b800200}, + {0x0000a590, 0x13804620, 0x13804620, 0x0f800202, 0x0f800202}, + {0x0000a594, 0x19804a20, 0x19804a20, 0x11800400, 0x11800400}, + {0x0000a598, 0x1d804e20, 0x1d804e20, 0x15800402, 0x15800402}, + {0x0000a59c, 0x21805420, 0x21805420, 0x19800404, 0x19800404}, + {0x0000a5a0, 0x26805e20, 0x26805e20, 0x1b800603, 0x1b800603}, + {0x0000a5a4, 0x2b805e40, 0x2b805e40, 0x1f800a02, 0x1f800a02}, + {0x0000a5a8, 0x2f805e42, 0x2f805e42, 0x23800a04, 0x23800a04}, + {0x0000a5ac, 0x33805e44, 0x33805e44, 0x26800a20, 0x26800a20}, + {0x0000a5b0, 0x38805e65, 0x38805e65, 0x2a800e20, 0x2a800e20}, + {0x0000a5b4, 0x3c805e69, 0x3c805e69, 0x2e800e22, 0x2e800e22}, + {0x0000a5b8, 0x40805e6b, 0x40805e6b, 0x31800e24, 0x31800e24}, + {0x0000a5bc, 0x44805e6d, 0x44805e6d, 0x34801640, 0x34801640}, + {0x0000a5c0, 0x49805e72, 0x49805e72, 0x38801660, 0x38801660}, + {0x0000a5c4, 0x4e805eb2, 0x4e805eb2, 0x3b801861, 0x3b801861}, + {0x0000a5c8, 0x53805f12, 0x53805f12, 0x3e801a81, 0x3e801a81}, + {0x0000a5cc, 0x59825eb2, 0x59825eb2, 0x42801a83, 0x42801a83}, + {0x0000a5d0, 0x5e825f12, 0x5e825f12, 0x44801c84, 0x44801c84}, + {0x0000a5d4, 0x61827f12, 0x61827f12, 0x48801ce3, 0x48801ce3}, + {0x0000a5d8, 0x6782bf12, 0x6782bf12, 0x4c801ce5, 0x4c801ce5}, + {0x0000a5dc, 0x6b82bf14, 0x6b82bf14, 0x50801ce9, 0x50801ce9}, + {0x0000a5e0, 0x6f82bf16, 0x6f82bf16, 0x54801ceb, 0x54801ceb}, + {0x0000a5e4, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec}, + {0x0000a5e8, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec}, + {0x0000a5ec, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec}, + {0x0000a5f0, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec}, + {0x0000a5f4, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec}, + {0x0000a5f8, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec}, + {0x0000a5fc, 0x6f82bf16, 0x6f82bf16, 0x56801eec, 0x56801eec}, {0x0000a600, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, {0x0000a604, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, {0x0000a608, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, {0x0000a60c, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, - {0x0000a610, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, - {0x0000a614, 0x02004000, 0x02004000, 0x01404000, 0x01404000}, - {0x0000a618, 0x02004801, 0x02004801, 0x01404501, 0x01404501}, - {0x0000a61c, 0x02808a02, 0x02808a02, 0x02008501, 0x02008501}, - {0x0000a620, 0x0380ce03, 0x0380ce03, 0x0280ca03, 0x0280ca03}, - {0x0000a624, 0x04411104, 0x04411104, 0x03010c04, 0x03010c04}, - {0x0000a628, 0x04411104, 0x04411104, 0x04014c04, 0x04014c04}, - {0x0000a62c, 0x04411104, 0x04411104, 0x04015005, 0x04015005}, - {0x0000a630, 0x04411104, 0x04411104, 0x04015005, 0x04015005}, - {0x0000a634, 0x04411104, 0x04411104, 0x04015005, 0x04015005}, - {0x0000a638, 0x04411104, 0x04411104, 0x04015005, 0x04015005}, - {0x0000a63c, 0x04411104, 0x04411104, 0x04015005, 0x04015005}, - {0x0000b2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352}, - {0x0000b2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584}, - {0x0000b2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800}, + {0x0000a610, 0x00804000, 0x00804000, 0x00000000, 0x00000000}, + {0x0000a614, 0x00804201, 0x00804201, 0x01404000, 0x01404000}, + {0x0000a618, 0x0280c802, 0x0280c802, 0x01404501, 0x01404501}, + {0x0000a61c, 0x0280ca03, 0x0280ca03, 0x02008501, 0x02008501}, + {0x0000a620, 0x04c15104, 0x04c15104, 0x0280ca03, 0x0280ca03}, + {0x0000a624, 0x04c15305, 0x04c15305, 0x03010c04, 0x03010c04}, + {0x0000a628, 0x04c15305, 0x04c15305, 0x04014c04, 0x04014c04}, + {0x0000a62c, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005}, + {0x0000a630, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005}, + {0x0000a634, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005}, + {0x0000a638, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005}, + {0x0000a63c, 0x04c15305, 0x04c15305, 0x04015005, 0x04015005}, + {0x0000b2dc, 0x0380c7fc, 0x0380c7fc, 0x03aaa352, 0x03aaa352}, + {0x0000b2e0, 0x0000f800, 0x0000f800, 0x03ccc584, 0x03ccc584}, + {0x0000b2e4, 0x03ff0000, 0x03ff0000, 0x03f0f800, 0x03f0f800}, {0x0000b2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000}, - {0x0000c2dc, 0x00033800, 0x00033800, 0x03aaa352, 0x03aaa352}, - {0x0000c2e0, 0x0003c000, 0x0003c000, 0x03ccc584, 0x03ccc584}, - {0x0000c2e4, 0x03fc0000, 0x03fc0000, 0x03f0f800, 0x03f0f800}, + {0x0000c2dc, 0x0380c7fc, 0x0380c7fc, 0x03aaa352, 0x03aaa352}, + {0x0000c2e0, 0x0000f800, 0x0000f800, 0x03ccc584, 0x03ccc584}, + {0x0000c2e4, 0x03ff0000, 0x03ff0000, 0x03f0f800, 0x03f0f800}, {0x0000c2e8, 0x00000000, 0x00000000, 0x03ff0000, 0x03ff0000}, {0x00016044, 0x012492d4, 0x012492d4, 0x012492d4, 0x012492d4}, {0x00016048, 0x66480001, 0x66480001, 0x66480001, 0x66480001}, diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h index bb223fe..582ebc4 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h @@ -69,13 +69,13 @@ #define AR9300_BASE_ADDR 0x3ff #define AR9300_BASE_ADDR_512 0x1ff -#define AR9300_OTP_BASE 0x14000 -#define AR9300_OTP_STATUS 0x15f18 +#define AR9300_OTP_BASE (AR_SREV_9340(ah) ? 0x30000 : 0x14000) +#define AR9300_OTP_STATUS (AR_SREV_9340(ah) ? 0x30018 : 0x15f18) #define AR9300_OTP_STATUS_TYPE 0x7 #define AR9300_OTP_STATUS_VALID 0x4 #define AR9300_OTP_STATUS_ACCESS_BUSY 0x2 #define AR9300_OTP_STATUS_SM_BUSY 0x1 -#define AR9300_OTP_READ_DATA 0x15f1c +#define AR9300_OTP_READ_DATA (AR_SREV_9340(ah) ? 0x3001c : 0x15f1c) enum targetPowerHTRates { HT_TARGET_RATE_0_8_16, diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index e5cceb0..bbd249d 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -69,6 +69,7 @@ s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan) if (chan && chan->noisefloor) { s8 delta = chan->noisefloor - + ATH9K_NF_CAL_NOISE_THRESH - ath9k_hw_get_default_nf(ah, chan); if (delta > 0) noise += delta; diff --git a/drivers/net/wireless/ath/ath9k/calib.h b/drivers/net/wireless/ath/ath9k/calib.h index 3b33996d..1f2e01a 100644 --- a/drivers/net/wireless/ath/ath9k/calib.h +++ b/drivers/net/wireless/ath/ath9k/calib.h @@ -21,6 +21,9 @@ #define AR_PHY_CCA_FILTERWINDOW_LENGTH 5 +/* Internal noise floor can vary by about 6db depending on the frequency */ +#define ATH9K_NF_CAL_NOISE_THRESH 6 + #define NUM_NF_READINGS 6 #define ATH9K_NF_CAL_HIST_MAX 5 diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 67c13af..05cb5f6 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -7,6 +7,7 @@ #include #include #include +#include #include #include "debugfs.h" @@ -718,6 +719,10 @@ enum b43_firmware_file_type { struct b43_request_fw_context { /* The device we are requesting the fw for. */ struct b43_wldev *dev; + /* a completion event structure needed if this call is asynchronous */ + struct completion fw_load_complete; + /* a pointer to the firmware object */ + const struct firmware *blob; /* The type of firmware to request. */ enum b43_firmware_file_type req_type; /* Error messages for each firmware type. */ diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 4e465c5..14fd2ca 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -2088,11 +2088,18 @@ static void b43_print_fw_helptext(struct b43_wl *wl, bool error) b43warn(wl, text); } +static void b43_fw_cb(const struct firmware *firmware, void *context) +{ + struct b43_request_fw_context *ctx = context; + + ctx->blob = firmware; + complete(&ctx->fw_load_complete); +} + int b43_do_request_fw(struct b43_request_fw_context *ctx, const char *name, - struct b43_firmware_file *fw) + struct b43_firmware_file *fw, bool async) { - const struct firmware *blob; struct b43_fw_header *hdr; u32 size; int err; @@ -2131,11 +2138,31 @@ int b43_do_request_fw(struct b43_request_fw_context *ctx, B43_WARN_ON(1); return -ENOSYS; } - err = request_firmware(&blob, ctx->fwname, ctx->dev->dev->dev); + if (async) { + /* do this part asynchronously */ + init_completion(&ctx->fw_load_complete); + err = request_firmware_nowait(THIS_MODULE, 1, ctx->fwname, + ctx->dev->dev->dev, GFP_KERNEL, + ctx, b43_fw_cb); + if (err < 0) { + pr_err("Unable to load firmware\n"); + return err; + } + /* stall here until fw ready */ + wait_for_completion(&ctx->fw_load_complete); + if (ctx->blob) + goto fw_ready; + /* On some ARM systems, the async request will fail, but the next sync + * request works. For this reason, we dall through here + */ + } + err = request_firmware(&ctx->blob, ctx->fwname, + ctx->dev->dev->dev); if (err == -ENOENT) { snprintf(ctx->errors[ctx->req_type], sizeof(ctx->errors[ctx->req_type]), - "Firmware file \"%s\" not found\n", ctx->fwname); + "Firmware file \"%s\" not found\n", + ctx->fwname); return err; } else if (err) { snprintf(ctx->errors[ctx->req_type], @@ -2144,14 +2171,15 @@ int b43_do_request_fw(struct b43_request_fw_context *ctx, ctx->fwname, err); return err; } - if (blob->size < sizeof(struct b43_fw_header)) +fw_ready: + if (ctx->blob->size < sizeof(struct b43_fw_header)) goto err_format; - hdr = (struct b43_fw_header *)(blob->data); + hdr = (struct b43_fw_header *)(ctx->blob->data); switch (hdr->type) { case B43_FW_TYPE_UCODE: case B43_FW_TYPE_PCM: size = be32_to_cpu(hdr->size); - if (size != blob->size - sizeof(struct b43_fw_header)) + if (size != ctx->blob->size - sizeof(struct b43_fw_header)) goto err_format; /* fallthrough */ case B43_FW_TYPE_IV: @@ -2162,7 +2190,7 @@ int b43_do_request_fw(struct b43_request_fw_context *ctx, goto err_format; } - fw->data = blob; + fw->data = ctx->blob; fw->filename = name; fw->type = ctx->req_type; @@ -2172,7 +2200,7 @@ err_format: snprintf(ctx->errors[ctx->req_type], sizeof(ctx->errors[ctx->req_type]), "Firmware file \"%s\" format error.\n", ctx->fwname); - release_firmware(blob); + release_firmware(ctx->blob); return -EPROTO; } @@ -2223,7 +2251,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx) goto err_no_ucode; } } - err = b43_do_request_fw(ctx, filename, &fw->ucode); + err = b43_do_request_fw(ctx, filename, &fw->ucode, true); if (err) goto err_load; @@ -2235,7 +2263,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx) else goto err_no_pcm; fw->pcm_request_failed = false; - err = b43_do_request_fw(ctx, filename, &fw->pcm); + err = b43_do_request_fw(ctx, filename, &fw->pcm, false); if (err == -ENOENT) { /* We did not find a PCM file? Not fatal, but * core rev <= 10 must do without hwcrypto then. */ @@ -2296,7 +2324,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx) default: goto err_no_initvals; } - err = b43_do_request_fw(ctx, filename, &fw->initvals); + err = b43_do_request_fw(ctx, filename, &fw->initvals, false); if (err) goto err_load; @@ -2355,7 +2383,7 @@ static int b43_try_request_fw(struct b43_request_fw_context *ctx) default: goto err_no_initvals; } - err = b43_do_request_fw(ctx, filename, &fw->initvals_band); + err = b43_do_request_fw(ctx, filename, &fw->initvals_band, false); if (err) goto err_load; diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h index 8c684cd..abac25e 100644 --- a/drivers/net/wireless/b43/main.h +++ b/drivers/net/wireless/b43/main.h @@ -137,9 +137,8 @@ void b43_mac_phy_clock_set(struct b43_wldev *dev, bool on); struct b43_request_fw_context; -int b43_do_request_fw(struct b43_request_fw_context *ctx, - const char *name, - struct b43_firmware_file *fw); +int b43_do_request_fw(struct b43_request_fw_context *ctx, const char *name, + struct b43_firmware_file *fw, bool async); void b43_do_release_fw(struct b43_firmware_file *fw); #endif /* B43_MAIN_H_ */ diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index d7b11de..4fb146a 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -53,7 +53,6 @@ int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist, */ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter) { - bool cancel_flag = false; int status; struct cmd_ctrl_node *cmd_queued; @@ -70,14 +69,11 @@ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter) queue_work(adapter->workqueue, &adapter->main_work); /* Wait for completion */ - wait_event_interruptible(adapter->cmd_wait_q.wait, - *(cmd_queued->condition)); - if (!*(cmd_queued->condition)) - cancel_flag = true; - - if (cancel_flag) { - mwifiex_cancel_pending_ioctl(adapter); - dev_dbg(adapter->dev, "cmd cancel\n"); + status = wait_event_interruptible(adapter->cmd_wait_q.wait, + *(cmd_queued->condition)); + if (status) { + dev_err(adapter->dev, "cmd_wait_q terminated: %d\n", status); + return status; } status = adapter->cmd_wait_q.status; @@ -436,8 +432,11 @@ int mwifiex_enable_hs(struct mwifiex_adapter *adapter) return false; } - wait_event_interruptible(adapter->hs_activate_wait_q, - adapter->hs_activate_wait_q_woken); + if (wait_event_interruptible(adapter->hs_activate_wait_q, + adapter->hs_activate_wait_q_woken)) { + dev_err(adapter->dev, "hs_activate_wait_q terminated\n"); + return false; + } return true; } diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c index e2a34b4..1afbe5e 100644 --- a/drivers/platform/x86/samsung-laptop.c +++ b/drivers/platform/x86/samsung-laptop.c @@ -1506,6 +1506,16 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = { }, .driver_data = &samsung_broken_acpi_video, }, + { + .callback = samsung_dmi_matched, + .ident = "N250P", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "N250P"), + DMI_MATCH(DMI_BOARD_NAME, "N250P"), + }, + .driver_data = &samsung_broken_acpi_video, + }, { }, }; MODULE_DEVICE_TABLE(dmi, samsung_dmi_table); diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index ff810e7..97bb31d 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -330,7 +330,7 @@ static int wm831x_buckv_set_voltage(struct regulator_dev *rdev, if (vsel > dcdc->dvs_vsel) { ret = wm831x_set_bits(wm831x, dvs_reg, WM831X_DC1_DVS_VSEL_MASK, - dcdc->dvs_vsel); + vsel); if (ret == 0) dcdc->dvs_vsel = vsel; else diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index 07a4fd2..daa6b90 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -234,7 +234,7 @@ static int pgid_cmp(struct pgid *p1, struct pgid *p2) * Determine pathgroup state from PGID data. */ static void pgid_analyze(struct ccw_device *cdev, struct pgid **p, - int *mismatch, int *reserved, u8 *reset) + int *mismatch, u8 *reserved, u8 *reset) { struct pgid *pgid = &cdev->private->pgid[0]; struct pgid *first = NULL; @@ -248,7 +248,7 @@ static void pgid_analyze(struct ccw_device *cdev, struct pgid **p, if ((cdev->private->pgid_valid_mask & lpm) == 0) continue; if (pgid->inf.ps.state2 == SNID_STATE2_RESVD_ELSE) - *reserved = 1; + *reserved |= lpm; if (pgid_is_reset(pgid)) { *reset |= lpm; continue; @@ -316,14 +316,14 @@ static void snid_done(struct ccw_device *cdev, int rc) struct subchannel *sch = to_subchannel(cdev->dev.parent); struct pgid *pgid; int mismatch = 0; - int reserved = 0; + u8 reserved = 0; u8 reset = 0; u8 donepm; if (rc) goto out; pgid_analyze(cdev, &pgid, &mismatch, &reserved, &reset); - if (reserved) + if (reserved == cdev->private->pgid_valid_mask) rc = -EUSERS; else if (mismatch) rc = -EOPNOTSUPP; @@ -336,7 +336,7 @@ static void snid_done(struct ccw_device *cdev, int rc) } out: CIO_MSG_EVENT(2, "snid: device 0.%x.%04x: rc=%d pvm=%02x vpm=%02x " - "todo=%02x mism=%d rsvd=%d reset=%02x\n", id->ssid, + "todo=%02x mism=%d rsvd=%02x reset=%02x\n", id->ssid, id->devno, rc, cdev->private->pgid_valid_mask, sch->vpm, cdev->private->pgid_todo_mask, mismatch, reserved, reset); switch (rc) { diff --git a/drivers/scsi/mvsas/mv_94xx.h b/drivers/scsi/mvsas/mv_94xx.h index 8f7eb4f..487aa6f 100644 --- a/drivers/scsi/mvsas/mv_94xx.h +++ b/drivers/scsi/mvsas/mv_94xx.h @@ -258,21 +258,11 @@ enum sas_sata_phy_regs { #define SPI_ADDR_VLD_94XX (1U << 1) #define SPI_CTRL_SpiStart_94XX (1U << 0) -#define mv_ffc(x) ffz(x) - static inline int mv_ffc64(u64 v) { - int i; - i = mv_ffc((u32)v); - if (i >= 0) - return i; - i = mv_ffc((u32)(v>>32)); - - if (i != 0) - return 32 + i; - - return -1; + u64 x = ~v; + return x ? __ffs64(x) : -1; } #define r_reg_set_enable(i) \ diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 3006ec9..dbb8edf 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1629,7 +1629,7 @@ int mvs_abort_task(struct sas_task *task) mv_dprintk("mvs_abort_task() mvi=%p task=%p " "slot=%p slot_idx=x%x\n", mvi, task, slot, slot_idx); - mvs_tmf_timedout((unsigned long)task); + task->task_state_flags |= SAS_TASK_STATE_ABORTED; mvs_slot_task_free(mvi, task, slot, slot_idx); rc = TMF_RESP_FUNC_COMPLETE; goto out; diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h index c04a4f5..da24955 100644 --- a/drivers/scsi/mvsas/mv_sas.h +++ b/drivers/scsi/mvsas/mv_sas.h @@ -69,7 +69,7 @@ extern struct kmem_cache *mvs_task_list_cache; #define DEV_IS_EXPANDER(type) \ ((type == EDGE_DEV) || (type == FANOUT_DEV)) -#define bit(n) ((u32)1 << n) +#define bit(n) ((u64)1 << n) #define for_each_phy(__lseq_mask, __mc, __lseq) \ for ((__mc) = (__lseq_mask), (__lseq) = 0; \ diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 7db8033..da1315e 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -3735,9 +3735,9 @@ qla2x00_do_dpc(void *data) "ISP abort end.\n"); } - if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) { + if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, + &base_vha->dpc_flags)) { qla2x00_update_fcports(base_vha); - clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); } if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) { diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 08d48a3..72ca515 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -246,11 +246,11 @@ show_shost_active_mode(struct device *dev, static DEVICE_ATTR(active_mode, S_IRUGO | S_IWUSR, show_shost_active_mode, NULL); -static int check_reset_type(char *str) +static int check_reset_type(const char *str) { - if (strncmp(str, "adapter", 10) == 0) + if (sysfs_streq(str, "adapter")) return SCSI_ADAPTER_RESET; - else if (strncmp(str, "firmware", 10) == 0) + else if (sysfs_streq(str, "firmware")) return SCSI_FIRMWARE_RESET; else return 0; @@ -263,12 +263,9 @@ store_host_reset(struct device *dev, struct device_attribute *attr, struct Scsi_Host *shost = class_to_shost(dev); struct scsi_host_template *sht = shost->hostt; int ret = -EINVAL; - char str[10]; int type; - sscanf(buf, "%s", str); - type = check_reset_type(str); - + type = check_reset_type(buf); if (!type) goto exit_store_host_reset; diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig index 12c691d..f11cfc8 100644 --- a/drivers/staging/comedi/Kconfig +++ b/drivers/staging/comedi/Kconfig @@ -424,6 +424,7 @@ config COMEDI_ADQ12B config COMEDI_NI_AT_A2150 tristate "NI AT-A2150 ISA card support" + select COMEDI_FC depends on COMEDI_NI_COMMON depends on VIRT_TO_BUS default N diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index b719460..b67c107 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -138,6 +138,9 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd, if (cmd == COMEDI_DEVCONFIG) { rc = do_devconfig_ioctl(dev, (struct comedi_devconfig __user *)arg); + if (rc == 0) + /* Evade comedi_auto_unconfig(). */ + dev_file_info->hardware_device = NULL; goto done; } @@ -2207,6 +2210,7 @@ int comedi_alloc_board_minor(struct device *hardware_device) kfree(info); return -ENOMEM; } + info->hardware_device = hardware_device; comedi_device_init(info->device); spin_lock_irqsave(&comedi_file_info_table_lock, flags); for (i = 0; i < COMEDI_NUM_BOARD_MINORS; ++i) { @@ -2295,6 +2299,23 @@ void comedi_free_board_minor(unsigned minor) } } +int comedi_find_board_minor(struct device *hardware_device) +{ + int minor; + struct comedi_device_file_info *info; + + for (minor = 0; minor < COMEDI_NUM_BOARD_MINORS; minor++) { + spin_lock(&comedi_file_info_table_lock); + info = comedi_file_info_table[minor]; + if (info && info->hardware_device == hardware_device) { + spin_unlock(&comedi_file_info_table_lock); + return minor; + } + spin_unlock(&comedi_file_info_table_lock); + } + return -ENODEV; +} + int comedi_alloc_subdevice_minor(struct comedi_device *dev, struct comedi_subdevice *s) { diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index 7a0d4bc..00d3c65 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -234,6 +234,7 @@ struct comedi_device_file_info { struct comedi_device *device; struct comedi_subdevice *read_subdevice; struct comedi_subdevice *write_subdevice; + struct device *hardware_device; }; #ifdef CONFIG_COMEDI_DEBUG diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index bf185e2..0fc1b99 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -822,25 +822,14 @@ static int comedi_auto_config(struct device *hardware_device, int minor; struct comedi_device_file_info *dev_file_info; int retval; - unsigned *private_data = NULL; - if (!comedi_autoconfig) { - dev_set_drvdata(hardware_device, NULL); + if (!comedi_autoconfig) return 0; - } minor = comedi_alloc_board_minor(hardware_device); if (minor < 0) return minor; - private_data = kmalloc(sizeof(unsigned), GFP_KERNEL); - if (private_data == NULL) { - retval = -ENOMEM; - goto cleanup; - } - *private_data = minor; - dev_set_drvdata(hardware_device, private_data); - dev_file_info = comedi_get_device_file_info(minor); memset(&it, 0, sizeof(it)); @@ -853,25 +842,22 @@ static int comedi_auto_config(struct device *hardware_device, retval = comedi_device_attach(dev_file_info->device, &it); mutex_unlock(&dev_file_info->device->mutex); -cleanup: - if (retval < 0) { - kfree(private_data); + if (retval < 0) comedi_free_board_minor(minor); - } return retval; } static void comedi_auto_unconfig(struct device *hardware_device) { - unsigned *minor = (unsigned *)dev_get_drvdata(hardware_device); - if (minor == NULL) - return; - - BUG_ON(*minor >= COMEDI_NUM_BOARD_MINORS); + int minor; - comedi_free_board_minor(*minor); - dev_set_drvdata(hardware_device, NULL); - kfree(minor); + if (hardware_device == NULL) + return; + minor = comedi_find_board_minor(hardware_device); + if (minor < 0) + return; + BUG_ON(minor >= COMEDI_NUM_BOARD_MINORS); + comedi_free_board_minor(minor); } int comedi_pci_auto_config(struct pci_dev *pcidev, const char *board_name) diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c index a804742..2567f9a 100644 --- a/drivers/staging/comedi/drivers/comedi_test.c +++ b/drivers/staging/comedi/drivers/comedi_test.c @@ -461,7 +461,7 @@ static int waveform_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) { devpriv->timer_running = 0; - del_timer(&devpriv->timer); + del_timer_sync(&devpriv->timer); return 0; } diff --git a/drivers/staging/comedi/drivers/ni_pcimio.c b/drivers/staging/comedi/drivers/ni_pcimio.c index 27baefa..59c1f88 100644 --- a/drivers/staging/comedi/drivers/ni_pcimio.c +++ b/drivers/staging/comedi/drivers/ni_pcimio.c @@ -1023,7 +1023,7 @@ static const struct ni_board_struct ni_boards[] = { .ao_range_table = &range_ni_M_625x_ao, .reg_type = ni_reg_625x, .ao_unipolar = 0, - .ao_speed = 357, + .ao_speed = 350, .num_p0_dio_channels = 8, .caldac = {caldac_none}, .has_8255 = 0, @@ -1042,7 +1042,7 @@ static const struct ni_board_struct ni_boards[] = { .ao_range_table = &range_ni_M_625x_ao, .reg_type = ni_reg_625x, .ao_unipolar = 0, - .ao_speed = 357, + .ao_speed = 350, .num_p0_dio_channels = 8, .caldac = {caldac_none}, .has_8255 = 0, @@ -1061,7 +1061,7 @@ static const struct ni_board_struct ni_boards[] = { .ao_range_table = &range_ni_M_625x_ao, .reg_type = ni_reg_625x, .ao_unipolar = 0, - .ao_speed = 357, + .ao_speed = 350, .num_p0_dio_channels = 8, .caldac = {caldac_none}, .has_8255 = 0, @@ -1097,7 +1097,7 @@ static const struct ni_board_struct ni_boards[] = { .ao_range_table = &range_ni_M_625x_ao, .reg_type = ni_reg_625x, .ao_unipolar = 0, - .ao_speed = 357, + .ao_speed = 350, .num_p0_dio_channels = 32, .caldac = {caldac_none}, .has_8255 = 0, @@ -1116,7 +1116,7 @@ static const struct ni_board_struct ni_boards[] = { .ao_range_table = &range_ni_M_625x_ao, .reg_type = ni_reg_625x, .ao_unipolar = 0, - .ao_speed = 357, + .ao_speed = 350, .num_p0_dio_channels = 32, .caldac = {caldac_none}, .has_8255 = 0, @@ -1152,7 +1152,7 @@ static const struct ni_board_struct ni_boards[] = { .ao_range_table = &range_ni_M_628x_ao, .reg_type = ni_reg_628x, .ao_unipolar = 1, - .ao_speed = 357, + .ao_speed = 350, .num_p0_dio_channels = 8, .caldac = {caldac_none}, .has_8255 = 0, @@ -1171,7 +1171,7 @@ static const struct ni_board_struct ni_boards[] = { .ao_range_table = &range_ni_M_628x_ao, .reg_type = ni_reg_628x, .ao_unipolar = 1, - .ao_speed = 357, + .ao_speed = 350, .num_p0_dio_channels = 8, .caldac = {caldac_none}, .has_8255 = 0, @@ -1207,7 +1207,7 @@ static const struct ni_board_struct ni_boards[] = { .ao_range_table = &range_ni_M_628x_ao, .reg_type = ni_reg_628x, .ao_unipolar = 1, - .ao_speed = 357, + .ao_speed = 350, .num_p0_dio_channels = 32, .caldac = {caldac_none}, .has_8255 = 0, diff --git a/drivers/staging/comedi/internal.h b/drivers/staging/comedi/internal.h index 434ce34..4208fb4 100644 --- a/drivers/staging/comedi/internal.h +++ b/drivers/staging/comedi/internal.h @@ -7,6 +7,7 @@ int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data); int comedi_alloc_board_minor(struct device *hardware_device); void comedi_free_board_minor(unsigned minor); +int comedi_find_board_minor(struct device *hardware_device); void comedi_reset_async_buf(struct comedi_async *async); int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s, unsigned long new_size); diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c index 2c80745..7b3ae00 100644 --- a/drivers/staging/rtl8712/usb_intf.c +++ b/drivers/staging/rtl8712/usb_intf.c @@ -66,6 +66,8 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = { {USB_DEVICE(0x0B05, 0x1791)}, /* 11n mode disable */ /* Belkin */ {USB_DEVICE(0x050D, 0x945A)}, + /* ISY IWL - Belkin clone */ + {USB_DEVICE(0x050D, 0x11F1)}, /* Corega */ {USB_DEVICE(0x07AA, 0x0047)}, /* D-Link */ diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c index 331eae7..5710fc5 100644 --- a/drivers/staging/speakup/synth.c +++ b/drivers/staging/speakup/synth.c @@ -342,7 +342,7 @@ int synth_init(char *synth_name) mutex_lock(&spk_mutex); /* First, check if we already have it loaded. */ - for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++) + for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++) if (strcmp(synths[i]->name, synth_name) == 0) synth = synths[i]; @@ -423,7 +423,7 @@ int synth_add(struct spk_synth *in_synth) int i; int status = 0; mutex_lock(&spk_mutex); - for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++) + for (i = 0; i < MAXSYNTHS && synths[i] != NULL; i++) /* synth_remove() is responsible for rotating the array down */ if (in_synth == synths[i]) { mutex_unlock(&spk_mutex); diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c index 08021f4..4664e9d 100644 --- a/drivers/staging/vt6656/dpc.c +++ b/drivers/staging/vt6656/dpc.c @@ -1238,7 +1238,7 @@ static BOOL s_bHandleRxEncryption ( PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4)); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %x\n", *pdwRxTSC47_16); if (byDecMode == KEY_CTL_TKIP) { *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); } else { @@ -1349,7 +1349,7 @@ static BOOL s_bHostWepRxEncryption ( PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4)); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %x\n", *pdwRxTSC47_16); if (byDecMode == KEY_CTL_TKIP) { *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c index ee62a06..ba3a561 100644 --- a/drivers/staging/vt6656/key.c +++ b/drivers/staging/vt6656/key.c @@ -223,7 +223,7 @@ BOOL KeybSetKey( PSKeyManagement pTable, PBYTE pbyBSSID, DWORD dwKeyIndex, - unsigned long uKeyLength, + u32 uKeyLength, PQWORD pKeyRSC, PBYTE pbyKey, BYTE byKeyDecMode @@ -235,7 +235,8 @@ BOOL KeybSetKey( PSKeyItem pKey; unsigned int uKeyIdx; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetKey: %lX\n", dwKeyIndex); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "Enter KeybSetKey: %X\n", dwKeyIndex); j = (MAX_KEY_TABLE-1); for (i=0;i<(MAX_KEY_TABLE-1);i++) { @@ -261,7 +262,9 @@ BOOL KeybSetKey( if ((dwKeyIndex & TRANSMIT_KEY) != 0) { // Group transmit key pTable->KeyTable[i].dwGTKeyIndex = dwKeyIndex; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[i].dwGTKeyIndex, i); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "Group transmit key(R)[%X]: %d\n", + pTable->KeyTable[i].dwGTKeyIndex, i); } pTable->KeyTable[i].wKeyCtl &= 0xFF0F; // clear group key control filed pTable->KeyTable[i].wKeyCtl |= (byKeyDecMode << 4); @@ -302,9 +305,12 @@ BOOL KeybSetKey( } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n ", pKey->dwTSC47_16); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ", pKey->wTSC15_0); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n ", pKey->dwKeyIndex); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %x\n ", + pKey->dwTSC47_16); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ", + pKey->wTSC15_0); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %x\n ", + pKey->dwKeyIndex); return (TRUE); } @@ -326,7 +332,9 @@ BOOL KeybSetKey( if ((dwKeyIndex & TRANSMIT_KEY) != 0) { // Group transmit key pTable->KeyTable[j].dwGTKeyIndex = dwKeyIndex; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(N)[%lX]: %d\n", pTable->KeyTable[j].dwGTKeyIndex, j); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "Group transmit key(N)[%X]: %d\n", + pTable->KeyTable[j].dwGTKeyIndex, j); } pTable->KeyTable[j].wKeyCtl &= 0xFF0F; // clear group key control filed pTable->KeyTable[j].wKeyCtl |= (byKeyDecMode << 4); @@ -367,9 +375,11 @@ BOOL KeybSetKey( } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n ", pKey->dwTSC47_16); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %x\n ", + pKey->dwTSC47_16); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n ", pKey->wTSC15_0); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n ", pKey->dwKeyIndex); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %x\n ", + pKey->dwKeyIndex); return (TRUE); } @@ -597,7 +607,8 @@ BOOL KeybGetTransmitKey(PSKeyManagement pTable, PBYTE pbyBSSID, DWORD dwKeyType, DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"%x ", pTable->KeyTable[i].abyBSSID[ii]); } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwGTKeyIndex: %lX\n", pTable->KeyTable[i].dwGTKeyIndex); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwGTKeyIndex: %X\n", + pTable->KeyTable[i].dwGTKeyIndex); return (TRUE); } @@ -664,7 +675,7 @@ BOOL KeybSetDefaultKey( void *pDeviceHandler, PSKeyManagement pTable, DWORD dwKeyIndex, - unsigned long uKeyLength, + u32 uKeyLength, PQWORD pKeyRSC, PBYTE pbyKey, BYTE byKeyDecMode @@ -696,7 +707,10 @@ BOOL KeybSetDefaultKey( if ((dwKeyIndex & TRANSMIT_KEY) != 0) { // Group transmit key pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex = dwKeyIndex; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex, MAX_KEY_TABLE-1); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "Group transmit key(R)[%X]: %d\n", + pTable->KeyTable[MAX_KEY_TABLE-1].dwGTKeyIndex, + MAX_KEY_TABLE-1); } pTable->KeyTable[MAX_KEY_TABLE-1].wKeyCtl &= 0x7F00; // clear all key control filed @@ -747,9 +761,11 @@ BOOL KeybSetDefaultKey( } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\n"); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %lx\n", pKey->dwTSC47_16); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwTSC47_16: %x\n", + pKey->dwTSC47_16); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->wTSC15_0: %x\n", pKey->wTSC15_0); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %lx\n", pKey->dwKeyIndex); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey->dwKeyIndex: %x\n", + pKey->dwKeyIndex); return (TRUE); } @@ -775,7 +791,7 @@ BOOL KeybSetAllGroupKey( void *pDeviceHandler, PSKeyManagement pTable, DWORD dwKeyIndex, - unsigned long uKeyLength, + u32 uKeyLength, PQWORD pKeyRSC, PBYTE pbyKey, BYTE byKeyDecMode @@ -787,7 +803,8 @@ BOOL KeybSetAllGroupKey( PSKeyItem pKey; unsigned int uKeyIdx; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetAllGroupKey: %lX\n", dwKeyIndex); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Enter KeybSetAllGroupKey: %X\n", + dwKeyIndex); if ((dwKeyIndex & PAIRWISE_KEY) != 0) { // Pairwise key @@ -804,7 +821,9 @@ BOOL KeybSetAllGroupKey( if ((dwKeyIndex & TRANSMIT_KEY) != 0) { // Group transmit key pTable->KeyTable[i].dwGTKeyIndex = dwKeyIndex; - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Group transmit key(R)[%lX]: %d\n", pTable->KeyTable[i].dwGTKeyIndex, i); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO + "Group transmit key(R)[%X]: %d\n", + pTable->KeyTable[i].dwGTKeyIndex, i); } pTable->KeyTable[i].wKeyCtl &= 0xFF0F; // clear group key control filed diff --git a/drivers/staging/vt6656/key.h b/drivers/staging/vt6656/key.h index f749c7a..bd35d39 100644 --- a/drivers/staging/vt6656/key.h +++ b/drivers/staging/vt6656/key.h @@ -58,7 +58,7 @@ typedef struct tagSKeyItem { BOOL bKeyValid; - unsigned long uKeyLength; + u32 uKeyLength; BYTE abyKey[MAX_KEY_LEN]; QWORD KeyRSC; DWORD dwTSC47_16; @@ -107,7 +107,7 @@ BOOL KeybSetKey( PSKeyManagement pTable, PBYTE pbyBSSID, DWORD dwKeyIndex, - unsigned long uKeyLength, + u32 uKeyLength, PQWORD pKeyRSC, PBYTE pbyKey, BYTE byKeyDecMode @@ -146,7 +146,7 @@ BOOL KeybSetDefaultKey( void *pDeviceHandler, PSKeyManagement pTable, DWORD dwKeyIndex, - unsigned long uKeyLength, + u32 uKeyLength, PQWORD pKeyRSC, PBYTE pbyKey, BYTE byKeyDecMode @@ -156,7 +156,7 @@ BOOL KeybSetAllGroupKey( void *pDeviceHandler, PSKeyManagement pTable, DWORD dwKeyIndex, - unsigned long uKeyLength, + u32 uKeyLength, PQWORD pKeyRSC, PBYTE pbyKey, BYTE byKeyDecMode diff --git a/drivers/staging/vt6656/mac.c b/drivers/staging/vt6656/mac.c index af4a29d..8fddc7b 100644 --- a/drivers/staging/vt6656/mac.c +++ b/drivers/staging/vt6656/mac.c @@ -260,7 +260,8 @@ BYTE pbyData[24]; dwData1 <<= 16; dwData1 |= MAKEWORD(*(pbyAddr+4), *(pbyAddr+5)); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"1. wOffset: %d, Data: %lX, KeyCtl:%X\n", wOffset, dwData1, wKeyCtl); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"1. wOffset: %d, Data: %X,"\ + " KeyCtl:%X\n", wOffset, dwData1, wKeyCtl); //VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, wOffset); //VNSvOutPortD(dwIoBase + MAC_REG_MISCFFDATA, dwData); @@ -277,7 +278,8 @@ BYTE pbyData[24]; dwData2 <<= 8; dwData2 |= *(pbyAddr+0); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"2. wOffset: %d, Data: %lX\n", wOffset, dwData2); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"2. wOffset: %d, Data: %X\n", + wOffset, dwData2); //VNSvOutPortW(dwIoBase + MAC_REG_MISCFFNDEX, wOffset); //VNSvOutPortD(dwIoBase + MAC_REG_MISCFFDATA, dwData); diff --git a/drivers/staging/vt6656/rf.c b/drivers/staging/vt6656/rf.c index 3fd0478..8cf0881 100644 --- a/drivers/staging/vt6656/rf.c +++ b/drivers/staging/vt6656/rf.c @@ -769,6 +769,9 @@ BYTE byPwr = pDevice->byCCKPwr; return TRUE; } + if (uCH == 0) + return -EINVAL; + switch (uRATE) { case RATE_1M: case RATE_2M: diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index fe21868..3beb126 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -377,7 +377,8 @@ s_vFillTxKey ( *(pbyIVHead+3) = (BYTE)(((pDevice->byKeyIndex << 6) & 0xc0) | 0x20); // 0x20 is ExtIV // Append IV&ExtIV after Mac Header *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vFillTxKey()---- pdwExtIV: %lx\n", *pdwExtIV); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vFillTxKey()---- pdwExtIV: %x\n", + *pdwExtIV); } else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { pTransmitKey->wTSC15_0++; @@ -1753,7 +1754,8 @@ s_bPacketToWirelessUsb( MIC_vAppend((PBYTE)&(psEthHeader->abyDstAddr[0]), 12); dwMIC_Priority = 0; MIC_vAppend((PBYTE)&dwMIC_Priority, 4); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC KEY: %lX, %lX\n", dwMICKey0, dwMICKey1); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC KEY: %X, %X\n", + dwMICKey0, dwMICKey1); /////////////////////////////////////////////////////////////////// @@ -2635,7 +2637,8 @@ vDMA0_tx_80211(PSDevice pDevice, struct sk_buff *skb) { MIC_vAppend((PBYTE)&(sEthHeader.abyDstAddr[0]), 12); dwMIC_Priority = 0; MIC_vAppend((PBYTE)&dwMIC_Priority, 4); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0_tx_8021:MIC KEY: %lX, %lX\n", dwMICKey0, dwMICKey1); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0_tx_8021:MIC KEY:"\ + " %X, %X\n", dwMICKey0, dwMICKey1); uLength = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen; @@ -2655,7 +2658,8 @@ vDMA0_tx_80211(PSDevice pDevice, struct sk_buff *skb) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uLength: %d, %d\n", uLength, cbFrameBodySize); DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderSize, uPadding, cbIVlen); - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%lx, %lx\n", *pdwMIC_L, *pdwMIC_R); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%x, %x\n", + *pdwMIC_L, *pdwMIC_R); } @@ -3029,7 +3033,8 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb) DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"error: KEY is GTK!!~~\n"); } else { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%lX]\n", pTransmitKey->dwKeyIndex); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%X]\n", + pTransmitKey->dwKeyIndex); bNeedEncryption = TRUE; } } @@ -3043,7 +3048,8 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb) if (pDevice->bEnableHostWEP) { if ((uNodeIndex != 0) && (pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex & PAIRWISE_KEY)) { - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%lX]\n", pTransmitKey->dwKeyIndex); + DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%X]\n", + pTransmitKey->dwKeyIndex); bNeedEncryption = TRUE; } } diff --git a/drivers/staging/vt6656/ttype.h b/drivers/staging/vt6656/ttype.h index 8e9450e..dfbf747 100644 --- a/drivers/staging/vt6656/ttype.h +++ b/drivers/staging/vt6656/ttype.h @@ -29,6 +29,8 @@ #ifndef __TTYPE_H__ #define __TTYPE_H__ +#include + /******* Common definitions and typedefs ***********************************/ typedef int BOOL; @@ -42,17 +44,17 @@ typedef int BOOL; /****** Simple typedefs ***************************************************/ -typedef unsigned char BYTE; // 8-bit -typedef unsigned short WORD; // 16-bit -typedef unsigned long DWORD; // 32-bit +typedef u8 BYTE; +typedef u16 WORD; +typedef u32 DWORD; // QWORD is for those situation that we want // an 8-byte-aligned 8 byte long structure // which is NOT really a floating point number. typedef union tagUQuadWord { struct { - DWORD dwLowDword; - DWORD dwHighDword; + u32 dwLowDword; + u32 dwHighDword; } u; double DoNotUseThisField; } UQuadWord; @@ -60,8 +62,8 @@ typedef UQuadWord QWORD; // 64-bit /****** Common pointer types ***********************************************/ -typedef unsigned long ULONG_PTR; // 32-bit -typedef unsigned long DWORD_PTR; // 32-bit +typedef u32 ULONG_PTR; +typedef u32 DWORD_PTR; // boolean pointer diff --git a/drivers/staging/vt6656/wcmd.c b/drivers/staging/vt6656/wcmd.c index 78ea121..31fb96a 100644 --- a/drivers/staging/vt6656/wcmd.c +++ b/drivers/staging/vt6656/wcmd.c @@ -316,17 +316,19 @@ s_MgrMakeProbeRequest( return pTxPacket; } -void vCommandTimerWait(void *hDeviceContext, unsigned int MSecond) +void vCommandTimerWait(void *hDeviceContext, unsigned long MSecond) { - PSDevice pDevice = (PSDevice)hDeviceContext; + PSDevice pDevice = (PSDevice)hDeviceContext; - init_timer(&pDevice->sTimerCommand); - pDevice->sTimerCommand.data = (unsigned long)pDevice; - pDevice->sTimerCommand.function = (TimerFunction)vRunCommand; - // RUN_AT :1 msec ~= (HZ/1024) - pDevice->sTimerCommand.expires = (unsigned int)RUN_AT((MSecond * HZ) >> 10); - add_timer(&pDevice->sTimerCommand); - return; + init_timer(&pDevice->sTimerCommand); + + pDevice->sTimerCommand.data = (unsigned long)pDevice; + pDevice->sTimerCommand.function = (TimerFunction)vRunCommand; + pDevice->sTimerCommand.expires = RUN_AT((MSecond * HZ) / 1000); + + add_timer(&pDevice->sTimerCommand); + + return; } void vRunCommand(void *hDeviceContext) diff --git a/drivers/staging/vt6656/wpa2.h b/drivers/staging/vt6656/wpa2.h index 46c2959..c359252 100644 --- a/drivers/staging/vt6656/wpa2.h +++ b/drivers/staging/vt6656/wpa2.h @@ -45,8 +45,8 @@ typedef struct tagsPMKIDInfo { } PMKIDInfo, *PPMKIDInfo; typedef struct tagSPMKIDCache { - unsigned long BSSIDInfoCount; - PMKIDInfo BSSIDInfo[MAX_PMKID_CACHE]; + u32 BSSIDInfoCount; + PMKIDInfo BSSIDInfo[MAX_PMKID_CACHE]; } SPMKIDCache, *PSPMKIDCache; diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index ad202b3..486c5dd 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -2359,7 +2359,7 @@ static void iscsit_build_conn_drop_async_message(struct iscsi_conn *conn) if (!conn_p) return; - cmd = iscsit_allocate_cmd(conn_p, GFP_KERNEL); + cmd = iscsit_allocate_cmd(conn_p, GFP_ATOMIC); if (!cmd) { iscsit_dec_conn_usage_count(conn_p); return; diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c index 87901fa..a426c40 100644 --- a/drivers/target/tcm_fc/tfc_sess.c +++ b/drivers/target/tcm_fc/tfc_sess.c @@ -431,7 +431,6 @@ static void ft_sess_rcu_free(struct rcu_head *rcu) { struct ft_sess *sess = container_of(rcu, struct ft_sess, rcu); - transport_deregister_session(sess->se_sess); kfree(sess); } @@ -439,6 +438,7 @@ static void ft_sess_free(struct kref *kref) { struct ft_sess *sess = container_of(kref, struct ft_sess, kref); + transport_deregister_session(sess->se_sess); call_rcu(&sess->rcu, ft_sess_rcu_free); } diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index b4e87cf..3a7a950 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1602,6 +1602,9 @@ static const struct usb_device_id acm_ids[] = { { USB_DEVICE(0x0572, 0x1340), /* Conexant CX93010-2x UCMxx */ .driver_info = NO_UNION_NORMAL, }, + { USB_DEVICE(0x05f9, 0x4002), /* PSC Scanning, Magellan 800i */ + .driver_info = NO_UNION_NORMAL, + }, { USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */ .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */ }, diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 11344bc..ef8f790 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -644,6 +644,60 @@ static int hub_hub_status(struct usb_hub *hub, return ret; } +static int hub_set_port_link_state(struct usb_hub *hub, int port1, + unsigned int link_status) +{ + return set_port_feature(hub->hdev, + port1 | (link_status << 3), + USB_PORT_FEAT_LINK_STATE); +} + +/* + * If USB 3.0 ports are placed into the Disabled state, they will no longer + * detect any device connects or disconnects. This is generally not what the + * USB core wants, since it expects a disabled port to produce a port status + * change event when a new device connects. + * + * Instead, set the link state to Disabled, wait for the link to settle into + * that state, clear any change bits, and then put the port into the RxDetect + * state. + */ +static int hub_usb3_port_disable(struct usb_hub *hub, int port1) +{ + int ret; + int total_time; + u16 portchange, portstatus; + + if (!hub_is_superspeed(hub->hdev)) + return -EINVAL; + + ret = hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_SS_DISABLED); + if (ret) { + dev_err(hub->intfdev, "cannot disable port %d (err = %d)\n", + port1, ret); + return ret; + } + + /* Wait for the link to enter the disabled state. */ + for (total_time = 0; ; total_time += HUB_DEBOUNCE_STEP) { + ret = hub_port_status(hub, port1, &portstatus, &portchange); + if (ret < 0) + return ret; + + if ((portstatus & USB_PORT_STAT_LINK_STATE) == + USB_SS_PORT_LS_SS_DISABLED) + break; + if (total_time >= HUB_DEBOUNCE_TIMEOUT) + break; + msleep(HUB_DEBOUNCE_STEP); + } + if (total_time >= HUB_DEBOUNCE_TIMEOUT) + dev_warn(hub->intfdev, "Could not disable port %d after %d ms\n", + port1, total_time); + + return hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_RX_DETECT); +} + static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) { struct usb_device *hdev = hub->hdev; @@ -652,8 +706,13 @@ static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) if (hdev->children[port1-1] && set_state) usb_set_device_state(hdev->children[port1-1], USB_STATE_NOTATTACHED); - if (!hub->error && !hub_is_superspeed(hub->hdev)) - ret = clear_port_feature(hdev, port1, USB_PORT_FEAT_ENABLE); + if (!hub->error) { + if (hub_is_superspeed(hub->hdev)) + ret = hub_usb3_port_disable(hub, port1); + else + ret = clear_port_feature(hdev, port1, + USB_PORT_FEAT_ENABLE); + } if (ret) dev_err(hub->intfdev, "cannot disable port %d (err = %d)\n", port1, ret); @@ -2109,7 +2168,7 @@ static unsigned hub_is_wusb(struct usb_hub *hub) #define HUB_SHORT_RESET_TIME 10 #define HUB_BH_RESET_TIME 50 #define HUB_LONG_RESET_TIME 200 -#define HUB_RESET_TIMEOUT 500 +#define HUB_RESET_TIMEOUT 800 static int hub_port_reset(struct usb_hub *hub, int port1, struct usb_device *udev, unsigned int delay, bool warm); @@ -2144,6 +2203,10 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, if (ret < 0) return ret; + /* The port state is unknown until the reset completes. */ + if ((portstatus & USB_PORT_STAT_RESET)) + goto delay; + /* * Some buggy devices require a warm reset to be issued even * when the port appears not to be connected. @@ -2189,11 +2252,7 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, if ((portchange & USB_PORT_STAT_C_CONNECTION)) return -ENOTCONN; - /* if we`ve finished resetting, then break out of - * the loop - */ - if (!(portstatus & USB_PORT_STAT_RESET) && - (portstatus & USB_PORT_STAT_ENABLE)) { + if ((portstatus & USB_PORT_STAT_ENABLE)) { if (hub_is_wusb(hub)) udev->speed = USB_SPEED_WIRELESS; else if (hub_is_superspeed(hub->hdev)) @@ -2207,10 +2266,15 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, return 0; } } else { - if (portchange & USB_PORT_STAT_C_BH_RESET) - return 0; + if (!(portstatus & USB_PORT_STAT_CONNECTION) || + hub_port_warm_reset_required(hub, + portstatus)) + return -ENOTCONN; + + return 0; } +delay: /* switch to the long delay after two short delay failures */ if (delay_time >= 2 * HUB_SHORT_RESET_TIME) delay = HUB_LONG_RESET_TIME; @@ -2234,14 +2298,11 @@ static void hub_port_finish_reset(struct usb_hub *hub, int port1, msleep(10 + 40); update_devnum(udev, 0); hcd = bus_to_hcd(udev->bus); - if (hcd->driver->reset_device) { - *status = hcd->driver->reset_device(hcd, udev); - if (*status < 0) { - dev_err(&udev->dev, "Cannot reset " - "HCD device state\n"); - break; - } - } + /* The xHC may think the device is already reset, + * so ignore the status. + */ + if (hcd->driver->reset_device) + hcd->driver->reset_device(hcd, udev); } /* FALL THROUGH */ case -ENOTCONN: @@ -2249,16 +2310,16 @@ static void hub_port_finish_reset(struct usb_hub *hub, int port1, clear_port_feature(hub->hdev, port1, USB_PORT_FEAT_C_RESET); /* FIXME need disconnect() for NOTATTACHED device */ - if (warm) { + if (hub_is_superspeed(hub->hdev)) { clear_port_feature(hub->hdev, port1, USB_PORT_FEAT_C_BH_PORT_RESET); clear_port_feature(hub->hdev, port1, USB_PORT_FEAT_C_PORT_LINK_STATE); - } else { + } + if (!warm) usb_set_device_state(udev, *status ? USB_STATE_NOTATTACHED : USB_STATE_DEFAULT); - } break; } } @@ -2548,7 +2609,7 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) static int finish_port_resume(struct usb_device *udev) { int status = 0; - u16 devstatus; + u16 devstatus = 0; /* caller owns the udev device lock */ dev_dbg(&udev->dev, "%s\n", @@ -2593,7 +2654,13 @@ static int finish_port_resume(struct usb_device *udev) if (status) { dev_dbg(&udev->dev, "gone after usb resume? status %d\n", status); - } else if (udev->actconfig) { + /* + * There are a few quirky devices which violate the standard + * by claiming to have remote wakeup enabled after a reset, + * which crash if the feature is cleared, hence check for + * udev->reset_resume + */ + } else if (udev->actconfig && !udev->reset_resume) { le16_to_cpus(&devstatus); if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) { status = usb_control_msg(udev, @@ -3774,9 +3841,14 @@ static void hub_events(void) * SS.Inactive state. */ if (hub_port_warm_reset_required(hub, portstatus)) { + int status; + dev_dbg(hub_dev, "warm reset port %d\n", i); - hub_port_reset(hub, i, NULL, + status = hub_port_reset(hub, i, NULL, HUB_BH_RESET_TIME, true); + if (status < 0) + hub_port_disable(hub, i, 1); + connect_change = 0; } if (connect_change) diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index ef116a5..ab11ca3c 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1770,28 +1770,8 @@ free_interfaces: goto free_interfaces; } - ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), - USB_REQ_SET_CONFIGURATION, 0, configuration, 0, - NULL, 0, USB_CTRL_SET_TIMEOUT); - if (ret < 0) { - /* All the old state is gone, so what else can we do? - * The device is probably useless now anyway. - */ - cp = NULL; - } - - dev->actconfig = cp; - if (!cp) { - usb_set_device_state(dev, USB_STATE_ADDRESS); - usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); - mutex_unlock(hcd->bandwidth_mutex); - usb_autosuspend_device(dev); - goto free_interfaces; - } - mutex_unlock(hcd->bandwidth_mutex); - usb_set_device_state(dev, USB_STATE_CONFIGURED); - - /* Initialize the new interface structures and the + /* + * Initialize the new interface structures and the * hc/hcd/usbcore interface/endpoint state. */ for (i = 0; i < nintf; ++i) { @@ -1835,6 +1815,35 @@ free_interfaces: } kfree(new_interfaces); + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), + USB_REQ_SET_CONFIGURATION, 0, configuration, 0, + NULL, 0, USB_CTRL_SET_TIMEOUT); + if (ret < 0 && cp) { + /* + * All the old state is gone, so what else can we do? + * The device is probably useless now anyway. + */ + usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL); + for (i = 0; i < nintf; ++i) { + usb_disable_interface(dev, cp->interface[i], true); + put_device(&cp->interface[i]->dev); + cp->interface[i] = NULL; + } + cp = NULL; + } + + dev->actconfig = cp; + mutex_unlock(hcd->bandwidth_mutex); + + if (!cp) { + usb_set_device_state(dev, USB_STATE_ADDRESS); + + /* Leave LPM disabled while the device is unconfigured. */ + usb_autosuspend_device(dev); + return ret; + } + usb_set_device_state(dev, USB_STATE_CONFIGURED); + if (cp->string == NULL && !(dev->quirks & USB_QUIRK_CONFIG_INTF_STRINGS)) cp->string = usb_cache_string(dev, cp->desc.iConfiguration); diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index 2d277a2..9a7b436 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -126,10 +126,7 @@ static const char ep0name[] = "ep0"; static const char *const ep_name[] = { ep0name, /* everyone has ep0 */ - /* act like a net2280: high speed, six configurable endpoints */ - "ep-a", "ep-b", "ep-c", "ep-d", "ep-e", "ep-f", - - /* or like pxa250: fifteen fixed function endpoints */ + /* act like a pxa250: fifteen fixed function endpoints */ "ep1in-bulk", "ep2out-bulk", "ep3in-iso", "ep4out-iso", "ep5in-int", "ep6in-bulk", "ep7out-bulk", "ep8in-iso", "ep9out-iso", "ep10in-int", "ep11in-bulk", "ep12out-bulk", "ep13in-iso", "ep14out-iso", @@ -137,6 +134,10 @@ static const char *const ep_name[] = { /* or like sa1100: two fixed function endpoints */ "ep1out-bulk", "ep2in-bulk", + + /* and now some generic EPs so we have enough in multi config */ + "ep3out", "ep4in", "ep5out", "ep6out", "ep7in", "ep8out", "ep9in", + "ep10out", "ep11out", "ep12in", "ep13out", "ep14in", "ep15out", }; #define DUMMY_ENDPOINTS ARRAY_SIZE(ep_name) diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index de07b75..8331893 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -753,12 +753,39 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, break; case USB_PORT_FEAT_LINK_STATE: temp = xhci_readl(xhci, port_array[wIndex]); + + /* Disable port */ + if (link_state == USB_SS_PORT_LS_SS_DISABLED) { + xhci_dbg(xhci, "Disable port %d\n", wIndex); + temp = xhci_port_state_to_neutral(temp); + /* + * Clear all change bits, so that we get a new + * connection event. + */ + temp |= PORT_CSC | PORT_PEC | PORT_WRC | + PORT_OCC | PORT_RC | PORT_PLC | + PORT_CEC; + xhci_writel(xhci, temp | PORT_PE, + port_array[wIndex]); + temp = xhci_readl(xhci, port_array[wIndex]); + break; + } + + /* Put link in RxDetect (enable port) */ + if (link_state == USB_SS_PORT_LS_RX_DETECT) { + xhci_dbg(xhci, "Enable port %d\n", wIndex); + xhci_set_link_state(xhci, port_array, wIndex, + link_state); + temp = xhci_readl(xhci, port_array[wIndex]); + break; + } + /* Software should not attempt to set - * port link state above '5' (Rx.Detect) and the port + * port link state above '3' (U3) and the port * must be enabled. */ if ((temp & PORT_PE) == 0 || - (link_state > USB_SS_PORT_LS_RX_DETECT)) { + (link_state > USB_SS_PORT_LS_U3)) { xhci_warn(xhci, "Cannot set link state.\n"); goto error; } @@ -913,6 +940,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) int max_ports; __le32 __iomem **port_array; struct xhci_bus_state *bus_state; + bool reset_change = false; max_ports = xhci_get_ports(hcd, &port_array); bus_state = &xhci->bus_state[hcd_index(hcd)]; @@ -944,6 +972,12 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) buf[(i + 1) / 8] |= 1 << (i + 1) % 8; status = 1; } + if ((temp & PORT_RC)) + reset_change = true; + } + if (!status && !reset_change) { + xhci_dbg(xhci, "%s: stopping port polling.\n", __func__); + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); } spin_unlock_irqrestore(&xhci->lock, flags); return status ? retval : 0; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 3e16f1c..b42a6fb 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1250,6 +1250,8 @@ static unsigned int xhci_microframes_to_exponent(struct usb_device *udev, static unsigned int xhci_parse_microframe_interval(struct usb_device *udev, struct usb_host_endpoint *ep) { + if (ep->desc.bInterval == 0) + return 0; return xhci_microframes_to_exponent(udev, ep, ep->desc.bInterval, 0, 15); } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index bf8bcc4..01361f9 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1725,6 +1725,15 @@ cleanup: if (bogus_port_status) return; + /* + * xHCI port-status-change events occur when the "or" of all the + * status-change bits in the portsc register changes from 0 to 1. + * New status changes won't cause an event if any other change + * bits are still set. When an event occurs, switch over to + * polling to avoid losing status changes. + */ + xhci_dbg(xhci, "%s: starting port polling.\n", __func__); + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); spin_unlock(&xhci->lock); /* Pass this up to the core */ usb_hcd_poll_rh_status(hcd); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index b4063fc..b04134a 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -880,6 +880,11 @@ int xhci_suspend(struct xhci_hcd *xhci) struct usb_hcd *hcd = xhci_to_hcd(xhci); u32 command; + /* Don't poll the roothubs on bus suspend. */ + xhci_dbg(xhci, "%s: stopping port polling.\n", __func__); + clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); + del_timer_sync(&hcd->rh_timer); + spin_lock_irq(&xhci->lock); clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); @@ -1064,6 +1069,11 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) if (xhci->quirks & XHCI_COMP_MODE_QUIRK) compliance_mode_recovery_timer_init(xhci); + /* Re-enable port polling. */ + xhci_dbg(xhci, "%s: starting port polling.\n", __func__); + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); + usb_hcd_poll_rh_status(hcd); + return retval; } #endif /* CONFIG_PM */ diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 66aaccf..a2b4008 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2400,10 +2400,7 @@ static int __init musb_init(void) if (usb_disabled()) return 0; - pr_info("%s: version " MUSB_VERSION ", " - "?dma?" - ", " - "otg (peripheral+host)", + pr_info("%s: version " MUSB_VERSION ", ?dma?, otg (peripheral+host)\n", musb_driver_name); return platform_driver_register(&musb_driver); } diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 25903f5..3fbf39d 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -881,6 +881,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) }, + /* Crucible Devices */ + { USB_DEVICE(FTDI_VID, FTDI_CT_COMET_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 049b6e7..fa5d560 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1259,3 +1259,9 @@ * ATI command output: Cinterion MC55i */ #define FTDI_CINTERION_MC55I_PID 0xA951 + +/* + * Product: Comet Caller ID decoder + * Manufacturer: Crucible Technologies + */ +#define FTDI_CT_COMET_PID 0x8e08 diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 0c3d290..ba23ad5 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -288,6 +288,7 @@ static void option_instat_callback(struct urb *urb); #define ALCATEL_VENDOR_ID 0x1bbb #define ALCATEL_PRODUCT_X060S_X200 0x0000 #define ALCATEL_PRODUCT_X220_X500D 0x0017 +#define ALCATEL_PRODUCT_L100V 0x011e #define PIRELLI_VENDOR_ID 0x1266 #define PIRELLI_PRODUCT_C100_1 0x1002 @@ -429,9 +430,12 @@ static void option_instat_callback(struct urb *urb); #define MEDIATEK_VENDOR_ID 0x0e8d #define MEDIATEK_PRODUCT_DC_1COM 0x00a0 #define MEDIATEK_PRODUCT_DC_4COM 0x00a5 +#define MEDIATEK_PRODUCT_DC_4COM2 0x00a7 #define MEDIATEK_PRODUCT_DC_5COM 0x00a4 #define MEDIATEK_PRODUCT_7208_1COM 0x7101 #define MEDIATEK_PRODUCT_7208_2COM 0x7102 +#define MEDIATEK_PRODUCT_7103_2COM 0x7103 +#define MEDIATEK_PRODUCT_7106_2COM 0x7106 #define MEDIATEK_PRODUCT_FP_1COM 0x0003 #define MEDIATEK_PRODUCT_FP_2COM 0x0023 #define MEDIATEK_PRODUCT_FPDC_1COM 0x0043 @@ -441,6 +445,10 @@ static void option_instat_callback(struct urb *urb); #define CELLIENT_VENDOR_ID 0x2692 #define CELLIENT_PRODUCT_MEN200 0x9005 +/* Hyundai Petatel Inc. products */ +#define PETATEL_VENDOR_ID 0x1ff4 +#define PETATEL_PRODUCT_NP10T 0x600e + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -923,7 +931,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */ .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff), /* ZTE MF880 */ + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0317, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0326, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, @@ -1190,6 +1199,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&alcatel_x200_blacklist }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D) }, + { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_L100V), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) }, { USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), @@ -1294,7 +1305,12 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FP_2COM, 0x0a, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_1COM, 0x0a, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_2COM, 0x0a, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7103_2COM, 0xff, 0x00, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7106_2COM, 0x02, 0x02, 0x01) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x02, 0x01) }, + { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) }, { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) }, + { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c index 4a89f88..9f89992 100644 --- a/drivers/video/mxsfb.c +++ b/drivers/video/mxsfb.c @@ -366,7 +366,8 @@ static void mxsfb_disable_controller(struct fb_info *fb_info) loop--; } - writel(VDCTRL4_SYNC_SIGNALS_ON, host->base + LCDC_VDCTRL4 + REG_CLR); + reg = readl(host->base + LCDC_VDCTRL4); + writel(reg & ~VDCTRL4_SYNC_SIGNALS_ON, host->base + LCDC_VDCTRL4); clk_disable_unprepare(host->clk); diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 32ee086..bb01881 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -267,6 +267,14 @@ static void finish_read(struct ceph_osd_request *req, struct ceph_msg *msg) kfree(req->r_pages); } +static void ceph_unlock_page_vector(struct page **pages, int num_pages) +{ + int i; + + for (i = 0; i < num_pages; i++) + unlock_page(pages[i]); +} + /* * start an async read(ahead) operation. return nr_pages we submitted * a read for on success, or negative error code. @@ -308,8 +316,8 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max) NULL, 0, ci->i_truncate_seq, ci->i_truncate_size, NULL, false, 1, 0); - if (!req) - return -ENOMEM; + if (IS_ERR(req)) + return PTR_ERR(req); /* build page vector */ nr_pages = len >> PAGE_CACHE_SHIFT; @@ -347,6 +355,7 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max) return nr_pages; out_pages: + ceph_unlock_page_vector(pages, nr_pages); ceph_release_page_vector(pages, nr_pages); out: ceph_osdc_put_request(req); @@ -831,8 +840,8 @@ get_more_pages: ci->i_truncate_size, &inode->i_mtime, true, 1, 0); - if (!req) { - rc = -ENOMEM; + if (IS_ERR(req)) { + rc = PTR_ERR(req); unlock_page(page); break; } diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 620daad..e7d4077 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -1349,11 +1349,15 @@ int __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask) if (!ci->i_head_snapc) ci->i_head_snapc = ceph_get_snap_context( ci->i_snap_realm->cached_context); - dout(" inode %p now dirty snapc %p\n", &ci->vfs_inode, - ci->i_head_snapc); + dout(" inode %p now dirty snapc %p auth cap %p\n", + &ci->vfs_inode, ci->i_head_snapc, ci->i_auth_cap); BUG_ON(!list_empty(&ci->i_dirty_item)); spin_lock(&mdsc->cap_dirty_lock); - list_add(&ci->i_dirty_item, &mdsc->cap_dirty); + if (ci->i_auth_cap) + list_add(&ci->i_dirty_item, &mdsc->cap_dirty); + else + list_add(&ci->i_dirty_item, + &mdsc->cap_dirty_migrating); spin_unlock(&mdsc->cap_dirty_lock); if (ci->i_flushing_caps == 0) { ihold(inode); @@ -2388,7 +2392,7 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, &atime); /* max size increase? */ - if (max_size != ci->i_max_size) { + if (ci->i_auth_cap == cap && max_size != ci->i_max_size) { dout("max_size %lld -> %llu\n", ci->i_max_size, max_size); ci->i_max_size = max_size; if (max_size >= ci->i_wanted_max_size) { @@ -2745,6 +2749,7 @@ static void handle_cap_import(struct ceph_mds_client *mdsc, /* make sure we re-request max_size, if necessary */ spin_lock(&ci->i_ceph_lock); + ci->i_wanted_max_size = 0; /* reset */ ci->i_requested_max_size = 0; spin_unlock(&ci->i_ceph_lock); } @@ -2840,8 +2845,6 @@ void ceph_handle_caps(struct ceph_mds_session *session, case CEPH_CAP_OP_IMPORT: handle_cap_import(mdsc, inode, h, session, snaptrace, snaptrace_len); - ceph_check_caps(ceph_inode(inode), 0, session); - goto done_unlocked; } /* the rest require a cap */ @@ -2858,6 +2861,7 @@ void ceph_handle_caps(struct ceph_mds_session *session, switch (op) { case CEPH_CAP_OP_REVOKE: case CEPH_CAP_OP_GRANT: + case CEPH_CAP_OP_IMPORT: handle_cap_grant(inode, h, session, cap, msg->middle); goto done_unlocked; diff --git a/fs/ceph/file.c b/fs/ceph/file.c index ed72428..9ce3a4b 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -529,8 +529,8 @@ more: do_sync, ci->i_truncate_seq, ci->i_truncate_size, &mtime, false, 2, page_align); - if (!req) - return -ENOMEM; + if (IS_ERR(req)) + return PTR_ERR(req); if (file->f_flags & O_DIRECT) { pages = ceph_get_direct_page_vector(data, num_pages, false); diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 9fff9f3..81613bc 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -992,11 +992,15 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req, if (rinfo->head->is_dentry) { struct inode *dir = req->r_locked_dir; - err = fill_inode(dir, &rinfo->diri, rinfo->dirfrag, - session, req->r_request_started, -1, - &req->r_caps_reservation); - if (err < 0) - return err; + if (dir) { + err = fill_inode(dir, &rinfo->diri, rinfo->dirfrag, + session, req->r_request_started, -1, + &req->r_caps_reservation); + if (err < 0) + return err; + } else { + WARN_ON_ONCE(1); + } } /* @@ -1004,6 +1008,7 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req, * will have trouble splicing in the virtual snapdir later */ if (rinfo->head->is_dentry && !req->r_aborted && + req->r_locked_dir && (rinfo->head->is_target || strncmp(req->r_dentry->d_name.name, fsc->mount_options->snapdir_name, req->r_dentry->d_name.len))) { @@ -1461,7 +1466,7 @@ void __ceph_do_pending_vmtruncate(struct inode *inode) { struct ceph_inode_info *ci = ceph_inode(inode); u64 to; - int wrbuffer_refs, wake = 0; + int wrbuffer_refs, finish = 0; retry: spin_lock(&ci->i_ceph_lock); @@ -1493,15 +1498,18 @@ retry: truncate_inode_pages(inode->i_mapping, to); spin_lock(&ci->i_ceph_lock); - ci->i_truncate_pending--; - if (ci->i_truncate_pending == 0) - wake = 1; + if (to == ci->i_truncate_size) { + ci->i_truncate_pending = 0; + finish = 1; + } spin_unlock(&ci->i_ceph_lock); + if (!finish) + goto retry; if (wrbuffer_refs == 0) ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL); - if (wake) - wake_up_all(&ci->i_cap_wq); + + wake_up_all(&ci->i_cap_wq); } diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 7f1682d..3fd08ad 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1886,9 +1886,14 @@ finish: static void __wake_requests(struct ceph_mds_client *mdsc, struct list_head *head) { - struct ceph_mds_request *req, *nreq; + struct ceph_mds_request *req; + LIST_HEAD(tmp_list); + + list_splice_init(head, &tmp_list); - list_for_each_entry_safe(req, nreq, head, r_wait) { + while (!list_empty(&tmp_list)) { + req = list_entry(tmp_list.next, + struct ceph_mds_request, r_wait); list_del_init(&req->r_wait); __do_request(mdsc, req); } @@ -2528,6 +2533,7 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc, session->s_state = CEPH_MDS_SESSION_RECONNECTING; session->s_seq = 0; + ceph_con_close(&session->s_con); ceph_con_open(&session->s_con, CEPH_ENTITY_TYPE_MDS, mds, ceph_mdsmap_get_addr(mdsc->mdsmap, mds)); diff --git a/fs/ceph/super.c b/fs/ceph/super.c index 1e67dd7..f363918 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -387,8 +387,6 @@ static int ceph_show_options(struct seq_file *m, struct dentry *root) seq_printf(m, ",mount_timeout=%d", opt->mount_timeout); if (opt->osd_idle_ttl != CEPH_OSD_IDLE_TTL_DEFAULT) seq_printf(m, ",osd_idle_ttl=%d", opt->osd_idle_ttl); - if (opt->osd_timeout != CEPH_OSD_TIMEOUT_DEFAULT) - seq_printf(m, ",osdtimeout=%d", opt->osd_timeout); if (opt->osd_keepalive_timeout != CEPH_OSD_KEEPALIVE_DEFAULT) seq_printf(m, ",osdkeepalivetimeout=%d", opt->osd_keepalive_timeout); diff --git a/fs/eventpoll.c b/fs/eventpoll.c index c0b3c70..33c9599 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1226,11 +1226,31 @@ static int ep_modify(struct eventpoll *ep, struct epitem *epi, struct epoll_even * otherwise we might miss an event that happens between the * f_op->poll() call and the new event set registering. */ - epi->event.events = event->events; + epi->event.events = event->events; /* need barrier below */ pt._key = event->events; epi->event.data = event->data; /* protected by mtx */ /* + * The following barrier has two effects: + * + * 1) Flush epi changes above to other CPUs. This ensures + * we do not miss events from ep_poll_callback if an + * event occurs immediately after we call f_op->poll(). + * We need this because we did not take ep->lock while + * changing epi above (but ep_poll_callback does take + * ep->lock). + * + * 2) We also need to ensure we do not miss _past_ events + * when calling f_op->poll(). This barrier also + * pairs with the barrier in wq_has_sleeper (see + * comments for wq_has_sleeper). + * + * This barrier will now guarantee ep_poll_callback or f_op->poll + * (or both) will notice the readiness of an item. + */ + smp_mb(); + + /* * Get current event bits. We can safely use the file* here because * its usage count has been increased by the caller of this function. */ diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index a5c29bb..8535c45 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -410,8 +410,10 @@ ext4_xattr_set_acl(struct dentry *dentry, const char *name, const void *value, retry: handle = ext4_journal_start(inode, EXT4_DATA_TRANS_BLOCKS(inode->i_sb)); - if (IS_ERR(handle)) - return PTR_ERR(handle); + if (IS_ERR(handle)) { + error = PTR_ERR(handle); + goto release_and_out; + } error = ext4_set_acl(handle, inode, type, acl); ext4_journal_stop(handle); if (error == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries)) diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index c215985..852d4c2 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -2110,13 +2110,14 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block, * removes index from the index block. */ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode, - struct ext4_ext_path *path) + struct ext4_ext_path *path, int depth) { int err; ext4_fsblk_t leaf; /* free index block */ - path--; + depth--; + path = path + depth; leaf = ext4_idx_pblock(path->p_idx); if (unlikely(path->p_hdr->eh_entries == 0)) { EXT4_ERROR_INODE(inode, "path->p_hdr->eh_entries == 0"); @@ -2141,6 +2142,19 @@ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode, ext4_free_blocks(handle, inode, NULL, leaf, 1, EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET); + + while (--depth >= 0) { + if (path->p_idx != EXT_FIRST_INDEX(path->p_hdr)) + break; + path--; + err = ext4_ext_get_access(handle, inode, path); + if (err) + break; + path->p_idx->ei_block = (path+1)->p_idx->ei_block; + err = ext4_ext_dirty(handle, inode, path); + if (err) + break; + } return err; } @@ -2474,7 +2488,7 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode, /* if this leaf is free, then we should * remove it from index block above */ if (err == 0 && eh->eh_entries == 0 && path[depth].p_bh != NULL) - err = ext4_ext_rm_idx(handle, inode, path + depth); + err = ext4_ext_rm_idx(handle, inode, path, depth); out: return err; @@ -2675,7 +2689,7 @@ cont: /* index is empty, remove it; * handle must be already prepared by the * truncatei_leaf() */ - err = ext4_ext_rm_idx(handle, inode, path + i); + err = ext4_ext_rm_idx(handle, inode, path, i); } /* root level has p_bh == NULL, brelse() eats this */ brelse(path[i].p_bh); diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 556cc82..902544e 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -734,7 +734,6 @@ got: BUFFER_TRACE(block_bitmap_bh, "dirty block bitmap"); err = ext4_handle_dirty_metadata(handle, NULL, block_bitmap_bh); - brelse(block_bitmap_bh); /* recheck and clear flag under lock if we still need to */ ext4_lock_group(sb, group); @@ -746,6 +745,7 @@ got: gdp); } ext4_unlock_group(sb, group); + brelse(block_bitmap_bh); if (err) goto fail; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index b1c28f1..288f4c6 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1599,9 +1599,7 @@ static int parse_options(char *options, struct super_block *sb, unsigned int *journal_ioprio, int is_remount) { -#ifdef CONFIG_QUOTA struct ext4_sb_info *sbi = EXT4_SB(sb); -#endif char *p; substring_t args[MAX_OPT_ARGS]; int token; @@ -1650,6 +1648,16 @@ static int parse_options(char *options, struct super_block *sb, } } #endif + if (test_opt(sb, DIOREAD_NOLOCK)) { + int blocksize = + BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size); + + if (blocksize < PAGE_CACHE_SIZE) { + ext4_msg(sb, KERN_ERR, "can't mount with " + "dioread_nolock if block size != PAGE_SIZE"); + return 0; + } + } return 1; } @@ -2112,7 +2120,9 @@ static void ext4_orphan_cleanup(struct super_block *sb, __func__, inode->i_ino, inode->i_size); jbd_debug(2, "truncating inode %lu to %lld bytes\n", inode->i_ino, inode->i_size); + mutex_lock(&inode->i_mutex); ext4_truncate(inode); + mutex_unlock(&inode->i_mutex); nr_truncates++; } else { ext4_msg(sb, KERN_DEBUG, @@ -3226,15 +3236,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) clear_opt(sb, DELALLOC); } - blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size); - if (test_opt(sb, DIOREAD_NOLOCK)) { - if (blocksize < PAGE_SIZE) { - ext4_msg(sb, KERN_ERR, "can't mount with " - "dioread_nolock if block size != PAGE_SIZE"); - goto failed_mount; - } - } - sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0); @@ -3276,6 +3277,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) if (!ext4_feature_set_ok(sb, (sb->s_flags & MS_RDONLY))) goto failed_mount; + blocksize = BLOCK_SIZE << le32_to_cpu(es->s_log_block_size); if (blocksize < EXT4_MIN_BLOCK_SIZE || blocksize > EXT4_MAX_BLOCK_SIZE) { ext4_msg(sb, KERN_ERR, @@ -4506,7 +4508,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data) } ext4_setup_system_zone(sb); - if (sbi->s_journal == NULL) + if (sbi->s_journal == NULL && !(old_sb_flags & MS_RDONLY)) ext4_commit_super(sb, 1); #ifdef CONFIG_QUOTA diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index 6b1efb5..a392e32 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -258,16 +258,14 @@ static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) struct gfs2_meta_header *mh; struct gfs2_trans *tr; - lock_buffer(bd->bd_bh); - gfs2_log_lock(sdp); if (!list_empty(&bd->bd_list_tr)) - goto out; + return; tr = current->journal_info; tr->tr_touched = 1; tr->tr_num_buf++; list_add(&bd->bd_list_tr, &tr->tr_list_buf); if (!list_empty(&le->le_list)) - goto out; + return; set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags); gfs2_meta_check(sdp, bd->bd_bh); @@ -278,9 +276,6 @@ static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) sdp->sd_log_num_buf++; list_add(&le->le_list, &sdp->sd_log_le_buf); tr->tr_num_buf_new++; -out: - gfs2_log_unlock(sdp); - unlock_buffer(bd->bd_bh); } static void buf_lo_before_commit(struct gfs2_sbd *sdp) @@ -611,11 +606,9 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) struct address_space *mapping = bd->bd_bh->b_page->mapping; struct gfs2_inode *ip = GFS2_I(mapping->host); - lock_buffer(bd->bd_bh); - gfs2_log_lock(sdp); if (tr) { if (!list_empty(&bd->bd_list_tr)) - goto out; + return; tr->tr_touched = 1; if (gfs2_is_jdata(ip)) { tr->tr_num_buf++; @@ -623,7 +616,7 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) } } if (!list_empty(&le->le_list)) - goto out; + return; set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags); @@ -635,9 +628,6 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le) } else { list_add_tail(&le->le_list, &sdp->sd_log_le_ordered); } -out: - gfs2_log_unlock(sdp); - unlock_buffer(bd->bd_bh); } static void gfs2_check_magic(struct buffer_head *bh) diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c index 86ac75d..6ab2a77 100644 --- a/fs/gfs2/trans.c +++ b/fs/gfs2/trans.c @@ -145,14 +145,22 @@ void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta) struct gfs2_sbd *sdp = gl->gl_sbd; struct gfs2_bufdata *bd; + lock_buffer(bh); + gfs2_log_lock(sdp); bd = bh->b_private; if (bd) gfs2_assert(sdp, bd->bd_gl == gl); else { + gfs2_log_unlock(sdp); + unlock_buffer(bh); gfs2_attach_bufdata(gl, bh, meta); bd = bh->b_private; + lock_buffer(bh); + gfs2_log_lock(sdp); } lops_add(sdp, &bd->bd_le); + gfs2_log_unlock(sdp); + unlock_buffer(bh); } void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index ddcd354..de8b4cb 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -209,7 +209,8 @@ repeat: if (!new_transaction) goto alloc_transaction; write_lock(&journal->j_state_lock); - if (!journal->j_running_transaction) { + if (!journal->j_running_transaction && + !journal->j_barrier_count) { jbd2_get_transaction(journal, new_transaction); new_transaction = NULL; } diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c index 6784d1e..ffa8f12 100644 --- a/fs/jffs2/nodemgmt.c +++ b/fs/jffs2/nodemgmt.c @@ -375,14 +375,16 @@ static int jffs2_do_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, spin_unlock(&c->erase_completion_lock); ret = jffs2_prealloc_raw_node_refs(c, jeb, 1); - if (ret) - return ret; + /* Just lock it again and continue. Nothing much can change because we hold c->alloc_sem anyway. In fact, it's not entirely clear why we hold c->erase_completion_lock in the majority of this function... but that's a question for another (more caffeine-rich) day. */ spin_lock(&c->erase_completion_lock); + if (ret) + return ret; + waste = jeb->free_size; jffs2_link_node_ref(c, jeb, (jeb->offset + c->sector_size - waste) | REF_OBSOLETE, diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 7d75280..aa70035 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -574,6 +574,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t block, struct udf_inode_info *iinfo = UDF_I(inode); int goal = 0, pgoal = iinfo->i_location.logicalBlockNum; int lastblock = 0; + bool isBeyondEOF; *err = 0; *new = 0; @@ -653,7 +654,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t block, /* Are we beyond EOF? */ if (etype == -1) { int ret; - + isBeyondEOF = 1; if (count) { if (c) laarr[0] = laarr[1]; @@ -696,6 +697,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t block, endnum = c + 1; lastblock = 1; } else { + isBeyondEOF = 0; endnum = startnum = ((count > 2) ? 2 : count); /* if the current extent is in position 0, @@ -738,10 +740,13 @@ static sector_t inode_getblk(struct inode *inode, sector_t block, goal, err); if (!newblocknum) { brelse(prev_epos.bh); + brelse(cur_epos.bh); + brelse(next_epos.bh); *err = -ENOSPC; return 0; } - iinfo->i_lenExtents += inode->i_sb->s_blocksize; + if (isBeyondEOF) + iinfo->i_lenExtents += inode->i_sb->s_blocksize; } /* if the extent the requsted block is located in contains multiple @@ -768,6 +773,8 @@ static sector_t inode_getblk(struct inode *inode, sector_t block, udf_update_extents(inode, laarr, startnum, endnum, &prev_epos); brelse(prev_epos.bh); + brelse(cur_epos.bh); + brelse(next_epos.bh); newblock = udf_get_pblock(inode->i_sb, newblocknum, iinfo->i_location.partitionReferenceNum, 0); diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index 98ec36a..893420b 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -49,7 +49,6 @@ struct ceph_options { struct ceph_entity_addr my_addr; int mount_timeout; int osd_idle_ttl; - int osd_timeout; int osd_keepalive_timeout; /* @@ -69,7 +68,6 @@ struct ceph_options { * defaults */ #define CEPH_MOUNT_TIMEOUT_DEFAULT 60 -#define CEPH_OSD_TIMEOUT_DEFAULT 60 /* seconds */ #define CEPH_OSD_KEEPALIVE_DEFAULT 5 #define CEPH_OSD_IDLE_TTL_DEFAULT 60 diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index cf8d11e..2866783 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2708,7 +2708,7 @@ unsigned long ring_buffer_oldest_event_ts(struct ring_buffer *buffer, int cpu) unsigned long flags; struct ring_buffer_per_cpu *cpu_buffer; struct buffer_page *bpage; - unsigned long ret; + unsigned long ret = 0; if (!cpumask_test_cpu(cpu, buffer->cpumask)) return 0; @@ -2723,7 +2723,8 @@ unsigned long ring_buffer_oldest_event_ts(struct ring_buffer *buffer, int cpu) bpage = cpu_buffer->reader_page; else bpage = rb_set_head_page(cpu_buffer); - ret = bpage->page->time_stamp; + if (bpage) + ret = bpage->page->time_stamp; raw_spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags); return ret; @@ -3030,6 +3031,8 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) * Splice the empty reader page into the list around the head. */ reader = rb_set_head_page(cpu_buffer); + if (!reader) + goto out; cpu_buffer->reader_page->list.next = rb_list_head(reader->list.next); cpu_buffer->reader_page->list.prev = reader->list.prev; diff --git a/mm/compaction.c b/mm/compaction.c index 459b0ab..3c8d7fe 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -736,7 +736,7 @@ static int compact_node(int nid) } /* Compact all nodes in the system */ -static int compact_nodes(void) +static void compact_nodes(void) { int nid; @@ -745,8 +745,6 @@ static int compact_nodes(void) for_each_online_node(nid) compact_node(nid); - - return COMPACT_COMPLETE; } /* The written value is actually unused, all memory is compacted */ @@ -757,7 +755,7 @@ int sysctl_compaction_handler(struct ctl_table *table, int write, void __user *buffer, size_t *length, loff_t *ppos) { if (write) - return compact_nodes(); + compact_nodes(); return 0; } diff --git a/mm/huge_memory.c b/mm/huge_memory.c index f0e5306..caf15b6 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -950,6 +950,8 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, count_vm_event(THP_FAULT_FALLBACK); ret = do_huge_pmd_wp_page_fallback(mm, vma, address, pmd, orig_pmd, page, haddr); + if (ret & VM_FAULT_OOM) + split_huge_page(page); put_page(page); goto out; } @@ -957,6 +959,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, if (unlikely(mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))) { put_page(new_page); + split_huge_page(page); put_page(page); ret |= VM_FAULT_OOM; goto out; diff --git a/mm/memory.c b/mm/memory.c index 024b4af..2f42aab 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3494,6 +3494,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, if (unlikely(is_vm_hugetlb_page(vma))) return hugetlb_fault(mm, vma, address, flags); +retry: pgd = pgd_offset(mm, address); pud = pud_alloc(mm, pgd, address); if (!pud) @@ -3507,13 +3508,24 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, pmd, flags); } else { pmd_t orig_pmd = *pmd; + int ret; + barrier(); if (pmd_trans_huge(orig_pmd)) { if (flags & FAULT_FLAG_WRITE && !pmd_write(orig_pmd) && - !pmd_trans_splitting(orig_pmd)) - return do_huge_pmd_wp_page(mm, vma, address, - pmd, orig_pmd); + !pmd_trans_splitting(orig_pmd)) { + ret = do_huge_pmd_wp_page(mm, vma, address, pmd, + orig_pmd); + /* + * If COW results in an oom, the huge pmd will + * have been split, so retry the fault on the + * pte for a smaller charge. + */ + if (unlikely(ret & VM_FAULT_OOM)) + goto retry; + return ret; + } return 0; } } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 88a6d87..691b8ec 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5340,7 +5340,7 @@ static inline int pfn_to_bitidx(struct zone *zone, unsigned long pfn) pfn &= (PAGES_PER_SECTION-1); return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS; #else - pfn = pfn - zone->zone_start_pfn; + pfn = pfn - round_down(zone->zone_start_pfn, pageblock_nr_pages); return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS; #endif /* CONFIG_SPARSEMEM */ } diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index 8e74e8c..b11448f 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -304,7 +304,6 @@ ceph_parse_options(char *options, const char *dev_name, /* start with defaults */ opt->flags = CEPH_OPT_DEFAULT; - opt->osd_timeout = CEPH_OSD_TIMEOUT_DEFAULT; opt->osd_keepalive_timeout = CEPH_OSD_KEEPALIVE_DEFAULT; opt->mount_timeout = CEPH_MOUNT_TIMEOUT_DEFAULT; /* seconds */ opt->osd_idle_ttl = CEPH_OSD_IDLE_TTL_DEFAULT; /* seconds */ @@ -390,7 +389,7 @@ ceph_parse_options(char *options, const char *dev_name, /* misc */ case Opt_osdtimeout: - opt->osd_timeout = intval; + pr_warning("ignoring deprecated osdtimeout option\n"); break; case Opt_osdkeepalivetimeout: opt->osd_keepalive_timeout = intval; diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index aa71a67..ba1037c 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -506,6 +506,7 @@ static void reset_connection(struct ceph_connection *con) { /* reset connection, out_queue, msg_ and connect_seq */ /* discard existing out_queue and msg_seq */ + dout("reset_connection %p\n", con); ceph_msg_remove_list(&con->out_queue); ceph_msg_remove_list(&con->out_sent); @@ -561,7 +562,7 @@ void ceph_con_open(struct ceph_connection *con, mutex_lock(&con->mutex); dout("con_open %p %s\n", con, ceph_pr_addr(&addr->in_addr)); - BUG_ON(con->state != CON_STATE_CLOSED); + WARN_ON(con->state != CON_STATE_CLOSED); con->state = CON_STATE_PREOPEN; con->peer_name.type = (__u8) entity_type; @@ -1502,13 +1503,6 @@ static int process_banner(struct ceph_connection *con) return 0; } -static void fail_protocol(struct ceph_connection *con) -{ - reset_connection(con); - BUG_ON(con->state != CON_STATE_NEGOTIATING); - con->state = CON_STATE_CLOSED; -} - static int process_connect(struct ceph_connection *con) { u64 sup_feat = con->msgr->supported_features; @@ -1526,7 +1520,7 @@ static int process_connect(struct ceph_connection *con) ceph_pr_addr(&con->peer_addr.in_addr), sup_feat, server_feat, server_feat & ~sup_feat); con->error_msg = "missing required protocol features"; - fail_protocol(con); + reset_connection(con); return -1; case CEPH_MSGR_TAG_BADPROTOVER: @@ -1537,7 +1531,7 @@ static int process_connect(struct ceph_connection *con) le32_to_cpu(con->out_connect.protocol_version), le32_to_cpu(con->in_reply.protocol_version)); con->error_msg = "protocol version mismatch"; - fail_protocol(con); + reset_connection(con); return -1; case CEPH_MSGR_TAG_BADAUTHORIZER: @@ -1627,11 +1621,11 @@ static int process_connect(struct ceph_connection *con) ceph_pr_addr(&con->peer_addr.in_addr), req_feat, server_feat, req_feat & ~server_feat); con->error_msg = "missing required protocol features"; - fail_protocol(con); + reset_connection(con); return -1; } - BUG_ON(con->state != CON_STATE_NEGOTIATING); + WARN_ON(con->state != CON_STATE_NEGOTIATING); con->state = CON_STATE_OPEN; con->peer_global_seq = le32_to_cpu(con->in_reply.global_seq); @@ -2128,7 +2122,6 @@ more: if (ret < 0) goto out; - BUG_ON(con->state != CON_STATE_CONNECTING); con->state = CON_STATE_NEGOTIATING; /* @@ -2156,7 +2149,7 @@ more: goto more; } - BUG_ON(con->state != CON_STATE_OPEN); + WARN_ON(con->state != CON_STATE_OPEN); if (con->in_base_pos < 0) { /* @@ -2258,6 +2251,35 @@ static void queue_con(struct ceph_connection *con) } } +static bool con_sock_closed(struct ceph_connection *con) +{ + if (!test_and_clear_bit(CON_FLAG_SOCK_CLOSED, &con->flags)) + return false; + +#define CASE(x) \ + case CON_STATE_ ## x: \ + con->error_msg = "socket closed (con state " #x ")"; \ + break; + + switch (con->state) { + CASE(CLOSED); + CASE(PREOPEN); + CASE(CONNECTING); + CASE(NEGOTIATING); + CASE(OPEN); + CASE(STANDBY); + default: + pr_warning("%s con %p unrecognized state %lu\n", + __func__, con, con->state); + con->error_msg = "unrecognized con state"; + BUG(); + break; + } +#undef CASE + + return true; +} + /* * Do some work on a connection. Drop a connection ref when we're done. */ @@ -2269,24 +2291,8 @@ static void con_work(struct work_struct *work) mutex_lock(&con->mutex); restart: - if (test_and_clear_bit(CON_FLAG_SOCK_CLOSED, &con->flags)) { - switch (con->state) { - case CON_STATE_CONNECTING: - con->error_msg = "connection failed"; - break; - case CON_STATE_NEGOTIATING: - con->error_msg = "negotiation failed"; - break; - case CON_STATE_OPEN: - con->error_msg = "socket closed"; - break; - default: - dout("unrecognized con state %d\n", (int)con->state); - con->error_msg = "unrecognized con state"; - BUG(); - } + if (con_sock_closed(con)) goto fault; - } if (test_and_clear_bit(CON_FLAG_BACKOFF, &con->flags)) { dout("con_work %p backing off\n", con); @@ -2352,12 +2358,12 @@ fault: static void ceph_fault(struct ceph_connection *con) __releases(con->mutex) { - pr_err("%s%lld %s %s\n", ENTITY_NAME(con->peer_name), + pr_warning("%s%lld %s %s\n", ENTITY_NAME(con->peer_name), ceph_pr_addr(&con->peer_addr.in_addr), con->error_msg); dout("fault %p state %lu to peer %s\n", con, con->state, ceph_pr_addr(&con->peer_addr.in_addr)); - BUG_ON(con->state != CON_STATE_CONNECTING && + WARN_ON(con->state != CON_STATE_CONNECTING && con->state != CON_STATE_NEGOTIATING && con->state != CON_STATE_OPEN); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index a79dbae..b16dfa2 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -221,6 +221,7 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, kref_init(&req->r_kref); init_completion(&req->r_completion); init_completion(&req->r_safe_completion); + RB_CLEAR_NODE(&req->r_node); INIT_LIST_HEAD(&req->r_unsafe_item); INIT_LIST_HEAD(&req->r_linger_item); INIT_LIST_HEAD(&req->r_linger_osd); @@ -461,6 +462,7 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, { struct ceph_osd_req_op ops[3]; struct ceph_osd_request *req; + int r; ops[0].op = opcode; ops[0].extent.truncate_seq = truncate_seq; @@ -479,10 +481,12 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc, use_mempool, GFP_NOFS, NULL, NULL); if (!req) - return NULL; + return ERR_PTR(-ENOMEM); /* calculate max write size */ - calc_layout(osdc, vino, layout, off, plen, req, ops); + r = calc_layout(osdc, vino, layout, off, plen, req, ops); + if (r < 0) + return ERR_PTR(r); req->r_file_layout = *layout; /* keep a copy */ /* in case it differs from natural (file) alignment that @@ -575,7 +579,7 @@ static void __kick_osd_requests(struct ceph_osd_client *osdc, dout("__kick_osd_requests osd%d\n", osd->o_osd); err = __reset_osd(osdc, osd); - if (err == -EAGAIN) + if (err) return; list_for_each_entry(req, &osd->o_requests, r_osd_item) { @@ -602,14 +606,6 @@ static void __kick_osd_requests(struct ceph_osd_client *osdc, } } -static void kick_osd_requests(struct ceph_osd_client *osdc, - struct ceph_osd *kickosd) -{ - mutex_lock(&osdc->request_mutex); - __kick_osd_requests(osdc, kickosd); - mutex_unlock(&osdc->request_mutex); -} - /* * If the osd connection drops, we need to resubmit all requests. */ @@ -623,7 +619,9 @@ static void osd_reset(struct ceph_connection *con) dout("osd_reset osd%d\n", osd->o_osd); osdc = osd->o_osdc; down_read(&osdc->map_sem); - kick_osd_requests(osdc, osd); + mutex_lock(&osdc->request_mutex); + __kick_osd_requests(osdc, osd); + mutex_unlock(&osdc->request_mutex); send_queued(osdc); up_read(&osdc->map_sem); } @@ -642,6 +640,7 @@ static struct ceph_osd *create_osd(struct ceph_osd_client *osdc, int onum) atomic_set(&osd->o_ref, 1); osd->o_osdc = osdc; osd->o_osd = onum; + RB_CLEAR_NODE(&osd->o_node); INIT_LIST_HEAD(&osd->o_requests); INIT_LIST_HEAD(&osd->o_linger_requests); INIT_LIST_HEAD(&osd->o_osd_lru); @@ -745,6 +744,7 @@ static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd) if (list_empty(&osd->o_requests) && list_empty(&osd->o_linger_requests)) { __remove_osd(osdc, osd); + ret = -ENODEV; } else if (memcmp(&osdc->osdmap->osd_addr[osd->o_osd], &osd->o_con.peer_addr, sizeof(osd->o_con.peer_addr)) == 0 && @@ -871,9 +871,9 @@ static void __unregister_request(struct ceph_osd_client *osdc, req->r_osd = NULL; } + list_del_init(&req->r_req_lru_item); ceph_osdc_put_request(req); - list_del_init(&req->r_req_lru_item); if (osdc->num_requests == 0) { dout(" no requests, canceling timeout\n"); __cancel_osd_timeout(osdc); @@ -905,8 +905,8 @@ static void __unregister_linger_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req) { dout("__unregister_linger_request %p\n", req); + list_del_init(&req->r_linger_item); if (req->r_osd) { - list_del_init(&req->r_linger_item); list_del_init(&req->r_linger_osd); if (list_empty(&req->r_osd->o_requests) && @@ -1085,12 +1085,10 @@ static void handle_timeout(struct work_struct *work) { struct ceph_osd_client *osdc = container_of(work, struct ceph_osd_client, timeout_work.work); - struct ceph_osd_request *req, *last_req = NULL; + struct ceph_osd_request *req; struct ceph_osd *osd; - unsigned long timeout = osdc->client->options->osd_timeout * HZ; unsigned long keepalive = osdc->client->options->osd_keepalive_timeout * HZ; - unsigned long last_stamp = 0; struct list_head slow_osds; dout("timeout\n"); down_read(&osdc->map_sem); @@ -1100,37 +1098,6 @@ static void handle_timeout(struct work_struct *work) mutex_lock(&osdc->request_mutex); /* - * reset osds that appear to be _really_ unresponsive. this - * is a failsafe measure.. we really shouldn't be getting to - * this point if the system is working properly. the monitors - * should mark the osd as failed and we should find out about - * it from an updated osd map. - */ - while (timeout && !list_empty(&osdc->req_lru)) { - req = list_entry(osdc->req_lru.next, struct ceph_osd_request, - r_req_lru_item); - - /* hasn't been long enough since we sent it? */ - if (time_before(jiffies, req->r_stamp + timeout)) - break; - - /* hasn't been long enough since it was acked? */ - if (req->r_request->ack_stamp == 0 || - time_before(jiffies, req->r_request->ack_stamp + timeout)) - break; - - BUG_ON(req == last_req && req->r_stamp == last_stamp); - last_req = req; - last_stamp = req->r_stamp; - - osd = req->r_osd; - BUG_ON(!osd); - pr_warning(" tid %llu timed out on osd%d, will reset osd\n", - req->r_tid, osd->o_osd); - __kick_osd_requests(osdc, osd); - } - - /* * ping osds that are a bit slow. this ensures that if there * is a break in the TCP connection we will notice, and reopen * a connection with that osd (from the fault callback). @@ -1301,7 +1268,7 @@ static void reset_changed_osds(struct ceph_osd_client *osdc) * Requeue requests whose mapping to an OSD has changed. If requests map to * no osd, request a new map. * - * Caller should hold map_sem for read and request_mutex. + * Caller should hold map_sem for read. */ static void kick_requests(struct ceph_osd_client *osdc, int force_resend) { @@ -1315,6 +1282,24 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend) for (p = rb_first(&osdc->requests); p; ) { req = rb_entry(p, struct ceph_osd_request, r_node); p = rb_next(p); + + /* + * For linger requests that have not yet been + * registered, move them to the linger list; they'll + * be sent to the osd in the loop below. Unregister + * the request before re-registering it as a linger + * request to ensure the __map_request() below + * will decide it needs to be sent. + */ + if (req->r_linger && list_empty(&req->r_linger_item)) { + dout("%p tid %llu restart on osd%d\n", + req, req->r_tid, + req->r_osd ? req->r_osd->o_osd : -1); + __unregister_request(osdc, req); + __register_linger_request(osdc, req); + continue; + } + err = __map_request(osdc, req, force_resend); if (err < 0) continue; /* error */ @@ -1329,17 +1314,6 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend) req->r_flags |= CEPH_OSD_FLAG_RETRY; } } - if (req->r_linger && list_empty(&req->r_linger_item)) { - /* - * register as a linger so that we will - * re-submit below and get a new tid - */ - dout("%p tid %llu restart on osd%d\n", - req, req->r_tid, - req->r_osd ? req->r_osd->o_osd : -1); - __register_linger_request(osdc, req); - __unregister_request(osdc, req); - } } list_for_each_entry_safe(req, nreq, &osdc->req_linger, @@ -1347,6 +1321,7 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend) dout("linger req=%p req->r_osd=%p\n", req, req->r_osd); err = __map_request(osdc, req, force_resend); + dout("__map_request returned %d\n", err); if (err == 0) continue; /* no change and no osd was specified */ if (err < 0) @@ -1359,8 +1334,8 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend) dout("kicking lingering %p tid %llu osd%d\n", req, req->r_tid, req->r_osd ? req->r_osd->o_osd : -1); - __unregister_linger_request(osdc, req); __register_request(osdc, req); + __unregister_linger_request(osdc, req); } mutex_unlock(&osdc->request_mutex); @@ -1368,6 +1343,7 @@ static void kick_requests(struct ceph_osd_client *osdc, int force_resend) dout("%d requests for down osds, need new map\n", needmap); ceph_monc_request_next_osdmap(&osdc->client->monc); } + reset_changed_osds(osdc); } @@ -1424,7 +1400,6 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg) osdc->osdmap = newmap; } kick_requests(osdc, 0); - reset_changed_osds(osdc); } else { dout("ignoring incremental map %u len %d\n", epoch, maplen); @@ -1594,6 +1569,7 @@ int ceph_osdc_create_event(struct ceph_osd_client *osdc, event->data = data; event->osdc = osdc; INIT_LIST_HEAD(&event->osd_node); + RB_CLEAR_NODE(&event->node); kref_init(&event->kref); /* one ref for us */ kref_get(&event->kref); /* one ref for the caller */ init_completion(&event->completion); @@ -1925,8 +1901,8 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc, CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ, NULL, 0, truncate_seq, truncate_size, NULL, false, 1, page_align); - if (!req) - return -ENOMEM; + if (IS_ERR(req)) + return PTR_ERR(req); /* it may be a short read due to an object boundary */ req->r_pages = pages; @@ -1968,8 +1944,8 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, snapc, do_sync, truncate_seq, truncate_size, mtime, nofail, 1, page_align); - if (!req) - return -ENOMEM; + if (IS_ERR(req)) + return PTR_ERR(req); /* it may be a short write due to an object boundary */ req->r_pages = pages; diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index 430076e..7fbe210 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -613,10 +613,12 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) ceph_decode_32_safe(p, end, max, bad); while (max--) { ceph_decode_need(p, end, 4 + 1 + sizeof(pi->v), bad); + err = -ENOMEM; pi = kzalloc(sizeof(*pi), GFP_NOFS); if (!pi) goto bad; pi->id = ceph_decode_32(p); + err = -EINVAL; ev = ceph_decode_8(p); /* encoding version */ if (ev > CEPH_PG_POOL_VERSION) { pr_warning("got unknown v %d > %d of ceph_pg_pool\n", @@ -632,8 +634,13 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) __insert_pg_pool(&map->pg_pools, pi); } - if (version >= 5 && __decode_pool_names(p, end, map) < 0) - goto bad; + if (version >= 5) { + err = __decode_pool_names(p, end, map); + if (err < 0) { + dout("fail to decode pool names"); + goto bad; + } + } ceph_decode_32_safe(p, end, map->pool_max, bad); @@ -713,7 +720,7 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) return map; bad: - dout("osdmap_decode fail\n"); + dout("osdmap_decode fail err %d\n", err); ceph_osdmap_destroy(map); return ERR_PTR(err); } @@ -807,6 +814,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, if (ev > CEPH_PG_POOL_VERSION) { pr_warning("got unknown v %d > %d of ceph_pg_pool\n", ev, CEPH_PG_POOL_VERSION); + err = -EINVAL; goto bad; } pi = __lookup_pg_pool(&map->pg_pools, pool); @@ -823,8 +831,11 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, if (err < 0) goto bad; } - if (version >= 5 && __decode_pool_names(p, end, map) < 0) - goto bad; + if (version >= 5) { + err = __decode_pool_names(p, end, map); + if (err < 0) + goto bad; + } /* old_pool */ ceph_decode_32_safe(p, end, len, bad); @@ -900,15 +911,13 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end, (void) __remove_pg_mapping(&map->pg_temp, pgid); /* insert */ - if (pglen > (UINT_MAX - sizeof(*pg)) / sizeof(u32)) { - err = -EINVAL; + err = -EINVAL; + if (pglen > (UINT_MAX - sizeof(*pg)) / sizeof(u32)) goto bad; - } + err = -ENOMEM; pg = kmalloc(sizeof(*pg) + sizeof(u32)*pglen, GFP_NOFS); - if (!pg) { - err = -ENOMEM; + if (!pg) goto bad; - } pg->pgid = pgid; pg->len = pglen; for (j = 0; j < pglen; j++) diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 7c51bae..50191a3 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -664,8 +664,8 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata) printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other " "IBSS networks with same SSID (merge)\n", sdata->name); - ieee80211_request_internal_scan(sdata, - ifibss->ssid, ifibss->ssid_len, NULL); + ieee80211_request_ibss_scan(sdata, ifibss->ssid, ifibss->ssid_len, + NULL); } static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata) @@ -772,9 +772,8 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata) printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to " "join\n", sdata->name); - ieee80211_request_internal_scan(sdata, - ifibss->ssid, ifibss->ssid_len, - ifibss->fixed_channel ? ifibss->channel : NULL); + ieee80211_request_ibss_scan(sdata, ifibss->ssid, + ifibss->ssid_len, chan); } else { int interval = IEEE80211_SCAN_INTERVAL; diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 498e87b..f8b5e75 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1233,9 +1233,9 @@ void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata, /* scan/BSS handling */ void ieee80211_scan_work(struct work_struct *work); -int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, - const u8 *ssid, u8 ssid_len, - struct ieee80211_channel *chan); +int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, + const u8 *ssid, u8 ssid_len, + struct ieee80211_channel *chan); int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, struct cfg80211_scan_request *req); void ieee80211_scan_cancel(struct ieee80211_local *local); diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index c70e176..e95d494 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -761,9 +761,9 @@ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, return res; } -int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, - const u8 *ssid, u8 ssid_len, - struct ieee80211_channel *chan) +int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata, + const u8 *ssid, u8 ssid_len, + struct ieee80211_channel *chan) { struct ieee80211_local *local = sdata->local; int ret = -EBUSY; @@ -777,22 +777,36 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata, /* fill internal scan request */ if (!chan) { - int i, nchan = 0; + int i, max_n; + int n_ch = 0; for (band = 0; band < IEEE80211_NUM_BANDS; band++) { if (!local->hw.wiphy->bands[band]) continue; - for (i = 0; - i < local->hw.wiphy->bands[band]->n_channels; - i++) { - local->int_scan_req->channels[nchan] = + + max_n = local->hw.wiphy->bands[band]->n_channels; + for (i = 0; i < max_n; i++) { + struct ieee80211_channel *tmp_ch = &local->hw.wiphy->bands[band]->channels[i]; - nchan++; + + if (tmp_ch->flags & (IEEE80211_CHAN_NO_IBSS | + IEEE80211_CHAN_DISABLED)) + continue; + + local->int_scan_req->channels[n_ch] = tmp_ch; + n_ch++; } } - local->int_scan_req->n_channels = nchan; + if (WARN_ON_ONCE(n_ch == 0)) + goto unlock; + + local->int_scan_req->n_channels = n_ch; } else { + if (WARN_ON_ONCE(chan->flags & (IEEE80211_CHAN_NO_IBSS | + IEEE80211_CHAN_DISABLED))) + goto unlock; + local->int_scan_req->channels[0] = chan; local->int_scan_req->n_channels = 1; } diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 6d25d77..e2e0e0b 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -844,7 +844,7 @@ void sta_info_init(struct ieee80211_local *local) void sta_info_stop(struct ieee80211_local *local) { - del_timer(&local->sta_cleanup); + del_timer_sync(&local->sta_cleanup); sta_info_flush(local, NULL); } diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 57f2731..a28a211 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -236,7 +236,7 @@ static struct rpc_clnt *rpc_get_client_for_event(struct net *net, int event) spin_lock(&sn->rpc_client_lock); list_for_each_entry(clnt, &sn->all_clients, cl_clients) { if (clnt->cl_program->pipe_dir_name == NULL) - break; + continue; if (rpc_clnt_skip_event(clnt, event)) continue; if (atomic_inc_not_zero(&clnt->cl_count) == 0) diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index faa078f..b8bda44 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -1157,14 +1157,19 @@ static void rpc_kill_sb(struct super_block *sb) struct sunrpc_net *sn = net_generic(net, sunrpc_net_id); mutex_lock(&sn->pipefs_sb_lock); + if (sn->pipefs_sb != sb) { + mutex_unlock(&sn->pipefs_sb_lock); + goto out; + } sn->pipefs_sb = NULL; mutex_unlock(&sn->pipefs_sb_lock); - put_net(net); dprintk("RPC: sending pipefs UMOUNT notification for net %p%s\n", net, NET_NAME(net)); blocking_notifier_call_chain(&rpc_pipefs_notifier_list, RPC_PIPEFS_UMOUNT, sb); + put_net(net); +out: kill_litter_super(sb); } diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index eda32ae..85b9235 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -915,16 +915,35 @@ struct rpc_task *rpc_new_task(const struct rpc_task_setup *setup_data) return task; } +/* + * rpc_free_task - release rpc task and perform cleanups + * + * Note that we free up the rpc_task _after_ rpc_release_calldata() + * in order to work around a workqueue dependency issue. + * + * Tejun Heo states: + * "Workqueue currently considers two work items to be the same if they're + * on the same address and won't execute them concurrently - ie. it + * makes a work item which is queued again while being executed wait + * for the previous execution to complete. + * + * If a work function frees the work item, and then waits for an event + * which should be performed by another work item and *that* work item + * recycles the freed work item, it can create a false dependency loop. + * There really is no reliable way to detect this short of verifying + * every memory free." + * + */ static void rpc_free_task(struct rpc_task *task) { - const struct rpc_call_ops *tk_ops = task->tk_ops; - void *calldata = task->tk_calldata; + unsigned short tk_flags = task->tk_flags; + + rpc_release_calldata(task->tk_ops, task->tk_calldata); - if (task->tk_flags & RPC_TASK_DYNAMIC) { + if (tk_flags & RPC_TASK_DYNAMIC) { dprintk("RPC: %5u freeing task\n", task->tk_pid); mempool_free(task, rpc_task_mempool); } - rpc_release_calldata(tk_ops, calldata); } static void rpc_async_release(struct work_struct *work) @@ -934,8 +953,7 @@ static void rpc_async_release(struct work_struct *work) static void rpc_release_resources_task(struct rpc_task *task) { - if (task->tk_rqstp) - xprt_release(task); + xprt_release(task); if (task->tk_msg.rpc_cred) { put_rpccred(task->tk_msg.rpc_cred); task->tk_msg.rpc_cred = NULL; diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 176a24f..feea474 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -1139,10 +1139,18 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt) void xprt_release(struct rpc_task *task) { struct rpc_xprt *xprt; - struct rpc_rqst *req; + struct rpc_rqst *req = task->tk_rqstp; - if (!(req = task->tk_rqstp)) + if (req == NULL) { + if (task->tk_client) { + rcu_read_lock(); + xprt = rcu_dereference(task->tk_client->cl_xprt); + if (xprt->snd_task == task) + xprt_release_write(xprt, task); + rcu_read_unlock(); + } return; + } xprt = req->rq_xprt; if (task->tk_ops->rpc_count_stats != NULL) diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c index 48d7c0a..bd3ba88 100644 --- a/sound/arm/pxa2xx-ac97-lib.c +++ b/sound/arm/pxa2xx-ac97-lib.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -148,6 +149,8 @@ static inline void pxa_ac97_warm_pxa27x(void) static inline void pxa_ac97_cold_pxa27x(void) { + unsigned int timeout; + GCR &= GCR_COLD_RST; /* clear everything but nCRST */ GCR &= ~GCR_COLD_RST; /* then assert nCRST */ @@ -157,8 +160,10 @@ static inline void pxa_ac97_cold_pxa27x(void) clk_enable(ac97conf_clk); udelay(5); clk_disable(ac97conf_clk); - GCR = GCR_COLD_RST; - udelay(50); + GCR = GCR_COLD_RST | GCR_WARM_RST; + timeout = 100; /* wait for the codec-ready bit to be set */ + while (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)) && timeout--) + mdelay(1); } #endif @@ -340,8 +345,21 @@ int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev) } if (cpu_is_pxa27x()) { - /* Use GPIO 113 as AC97 Reset on Bulverde */ + /* + * This gpio is needed for a work-around to a bug in the ac97 + * controller during warm reset. The direction and level is set + * here so that it is an output driven high when switching from + * AC97_nRESET alt function to generic gpio. + */ + ret = gpio_request_one(reset_gpio, GPIOF_OUT_INIT_HIGH, + "pxa27x ac97 reset"); + if (ret < 0) { + pr_err("%s: gpio_request_one() failed: %d\n", + __func__, ret); + goto err_conf; + } pxa27x_assert_ac97reset(reset_gpio, 0); + ac97conf_clk = clk_get(&dev->dev, "AC97CONFCLK"); if (IS_ERR(ac97conf_clk)) { ret = PTR_ERR(ac97conf_clk); @@ -384,6 +402,8 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_probe); void pxa2xx_ac97_hw_remove(struct platform_device *dev) { + if (cpu_is_pxa27x()) + gpio_free(reset_gpio); GCR |= GCR_ACLINK_OFF; free_irq(IRQ_AC97, NULL); if (ac97conf_clk) { diff --git a/sound/soc/codecs/sigmadsp.c b/sound/soc/codecs/sigmadsp.c index 5be42bf..4068f24 100644 --- a/sound/soc/codecs/sigmadsp.c +++ b/sound/soc/codecs/sigmadsp.c @@ -225,7 +225,7 @@ EXPORT_SYMBOL(process_sigma_firmware); static int sigma_action_write_regmap(void *control_data, const struct sigma_action *sa, size_t len) { - return regmap_raw_write(control_data, le16_to_cpu(sa->addr), + return regmap_raw_write(control_data, be16_to_cpu(sa->addr), sa->payload, len - 2); } diff --git a/sound/soc/codecs/wm2000.c b/sound/soc/codecs/wm2000.c index ae6f26f..bb9f070 100644 --- a/sound/soc/codecs/wm2000.c +++ b/sound/soc/codecs/wm2000.c @@ -190,9 +190,9 @@ static int wm2000_power_up(struct i2c_client *i2c, int analogue) ret = wm2000_read(i2c, WM2000_REG_SPEECH_CLARITY); if (wm2000->speech_clarity) - ret &= ~WM2000_SPEECH_CLARITY; - else ret |= WM2000_SPEECH_CLARITY; + else + ret &= ~WM2000_SPEECH_CLARITY; wm2000_write(i2c, WM2000_REG_SPEECH_CLARITY, ret); wm2000_write(i2c, WM2000_REG_SYS_START0, 0x33); diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c index c8bff6d..86b84a1 100644 --- a/sound/soc/codecs/wm2200.c +++ b/sound/soc/codecs/wm2200.c @@ -1380,15 +1380,9 @@ static int wm2200_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) case SND_SOC_DAIFMT_DSP_A: fmt_val = 0; break; - case SND_SOC_DAIFMT_DSP_B: - fmt_val = 1; - break; case SND_SOC_DAIFMT_I2S: fmt_val = 2; break; - case SND_SOC_DAIFMT_LEFT_J: - fmt_val = 3; - break; default: dev_err(codec->dev, "Unsupported DAI format %d\n", fmt & SND_SOC_DAIFMT_FORMAT_MASK); @@ -1440,7 +1434,7 @@ static int wm2200_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) WM2200_AIF1TX_LRCLK_MSTR | WM2200_AIF1TX_LRCLK_INV, lrclk); snd_soc_update_bits(codec, WM2200_AUDIO_IF_1_5, - WM2200_AIF1_FMT_MASK << 1, fmt_val << 1); + WM2200_AIF1_FMT_MASK, fmt_val); return 0; } diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c index b9c185c..a8d03ab 100644 --- a/sound/soc/codecs/wm5100.c +++ b/sound/soc/codecs/wm5100.c @@ -1296,15 +1296,9 @@ static int wm5100_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) case SND_SOC_DAIFMT_DSP_A: mask = 0; break; - case SND_SOC_DAIFMT_DSP_B: - mask = 1; - break; case SND_SOC_DAIFMT_I2S: mask = 2; break; - case SND_SOC_DAIFMT_LEFT_J: - mask = 3; - break; default: dev_err(codec->dev, "Unsupported DAI format %d\n", fmt & SND_SOC_DAIFMT_FORMAT_MASK); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 9739b53..71b9036 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -693,8 +693,7 @@ int __kvm_set_memory_region(struct kvm *kvm, int r; gfn_t base_gfn; unsigned long npages; - unsigned long i; - struct kvm_memory_slot *memslot; + struct kvm_memory_slot *memslot, *slot; struct kvm_memory_slot old, new; struct kvm_memslots *slots, *old_memslots; @@ -741,13 +740,11 @@ int __kvm_set_memory_region(struct kvm *kvm, /* Check for overlaps */ r = -EEXIST; - for (i = 0; i < KVM_MEMORY_SLOTS; ++i) { - struct kvm_memory_slot *s = &kvm->memslots->memslots[i]; - - if (s == memslot || !s->npages) + kvm_for_each_memslot(slot, kvm->memslots) { + if (slot->id >= KVM_MEMORY_SLOTS || slot == memslot) continue; - if (!((base_gfn + npages <= s->base_gfn) || - (base_gfn >= s->base_gfn + s->npages))) + if (!((base_gfn + npages <= slot->base_gfn) || + (base_gfn >= slot->base_gfn + slot->npages))) goto out_free; }