diff options
Diffstat (limited to 'drivers')
45 files changed, 486 insertions, 145 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 2fb38027f3b..44bc8bbabf5 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -600,11 +600,13 @@ static int btusb_close(struct hci_dev *hdev) btusb_stop_traffic(data); err = usb_autopm_get_interface(data->intf); if (err < 0) - return 0; + goto failed; data->intf->needs_remote_wakeup = 0; usb_autopm_put_interface(data->intf); +failed: + usb_scuttle_anchored_urbs(&data->deferred); return 0; } diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c index a4bbb28f10b..2e8552dc5ed 100644 --- a/drivers/char/tty_port.c +++ b/drivers/char/tty_port.c @@ -221,6 +221,9 @@ int tty_port_block_til_ready(struct tty_port *port, the port has just hung up or is in another error state */ if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) { + /* Indicate we are open */ + if (tty->termios->c_cflag & CBAUD) + tty_port_raise_dtr_rts(port); port->flags |= ASYNC_NORMAL_ACTIVE; return 0; } diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c index fb211e585de..0d79577c157 100644 --- a/drivers/gpu/drm/radeon/mkregtable.c +++ b/drivers/gpu/drm/radeon/mkregtable.c @@ -561,7 +561,7 @@ struct table { char *gpu_prefix; }; -struct offset *offset_new(unsigned o) +static struct offset *offset_new(unsigned o) { struct offset *offset; @@ -573,12 +573,12 @@ struct offset *offset_new(unsigned o) return offset; } -void table_offset_add(struct table *t, struct offset *offset) +static void table_offset_add(struct table *t, struct offset *offset) { list_add_tail(&offset->list, &t->offsets); } -void table_init(struct table *t) +static void table_init(struct table *t) { INIT_LIST_HEAD(&t->offsets); t->offset_max = 0; @@ -586,7 +586,7 @@ void table_init(struct table *t) t->table = NULL; } -void table_print(struct table *t) +static void table_print(struct table *t) { unsigned nlloop, i, j, n, c, id; @@ -611,7 +611,7 @@ void table_print(struct table *t) printf("};\n"); } -int table_build(struct table *t) +static int table_build(struct table *t) { struct offset *offset; unsigned i, m; @@ -631,7 +631,7 @@ int table_build(struct table *t) } static char gpu_name[10]; -int parser_auth(struct table *t, const char *filename) +static int parser_auth(struct table *t, const char *filename) { FILE *file; regex_t mask_rex; diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c index d39877a7da6..b5a95193c69 100644 --- a/drivers/hwmon/adt7475.c +++ b/drivers/hwmon/adt7475.c @@ -350,8 +350,7 @@ static ssize_t show_temp(struct device *dev, struct device_attribute *attr, case FAULT: /* Note - only for remote1 and remote2 */ - out = data->alarms & (sattr->index ? 0x8000 : 0x4000); - out = out ? 0 : 1; + out = !!(data->alarms & (sattr->index ? 0x8000 : 0x4000)); break; default: @@ -863,7 +862,7 @@ static SENSOR_DEVICE_ATTR_2(pwm1_freq, S_IRUGO | S_IWUSR, show_pwmfreq, set_pwmfreq, INPUT, 0); static SENSOR_DEVICE_ATTR_2(pwm1_enable, S_IRUGO | S_IWUSR, show_pwmctrl, set_pwmctrl, INPUT, 0); -static SENSOR_DEVICE_ATTR_2(pwm1_auto_channel_temp, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR_2(pwm1_auto_channels_temp, S_IRUGO | S_IWUSR, show_pwmchan, set_pwmchan, INPUT, 0); static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MIN, 0); @@ -875,7 +874,7 @@ static SENSOR_DEVICE_ATTR_2(pwm2_freq, S_IRUGO | S_IWUSR, show_pwmfreq, set_pwmfreq, INPUT, 1); static SENSOR_DEVICE_ATTR_2(pwm2_enable, S_IRUGO | S_IWUSR, show_pwmctrl, set_pwmctrl, INPUT, 1); -static SENSOR_DEVICE_ATTR_2(pwm2_auto_channel_temp, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR_2(pwm2_auto_channels_temp, S_IRUGO | S_IWUSR, show_pwmchan, set_pwmchan, INPUT, 1); static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MIN, 1); @@ -887,7 +886,7 @@ static SENSOR_DEVICE_ATTR_2(pwm3_freq, S_IRUGO | S_IWUSR, show_pwmfreq, set_pwmfreq, INPUT, 2); static SENSOR_DEVICE_ATTR_2(pwm3_enable, S_IRUGO | S_IWUSR, show_pwmctrl, set_pwmctrl, INPUT, 2); -static SENSOR_DEVICE_ATTR_2(pwm3_auto_channel_temp, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR_2(pwm3_auto_channels_temp, S_IRUGO | S_IWUSR, show_pwmchan, set_pwmchan, INPUT, 2); static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, set_pwm, MIN, 2); @@ -947,19 +946,19 @@ static struct attribute *adt7475_attrs[] = { &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm1_freq.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, - &sensor_dev_attr_pwm1_auto_channel_temp.dev_attr.attr, + &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, &sensor_dev_attr_pwm2.dev_attr.attr, &sensor_dev_attr_pwm2_freq.dev_attr.attr, &sensor_dev_attr_pwm2_enable.dev_attr.attr, - &sensor_dev_attr_pwm2_auto_channel_temp.dev_attr.attr, + &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, &sensor_dev_attr_pwm3.dev_attr.attr, &sensor_dev_attr_pwm3_freq.dev_attr.attr, &sensor_dev_attr_pwm3_enable.dev_attr.attr, - &sensor_dev_attr_pwm3_auto_channel_temp.dev_attr.attr, + &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, NULL, @@ -1152,7 +1151,7 @@ static struct adt7475_data *adt7475_update_device(struct device *dev) } /* Limits and settings, should never change update every 60 seconds */ - if (time_after(jiffies, data->limits_updated + HZ * 2) || + if (time_after(jiffies, data->limits_updated + HZ * 60) || !data->valid) { data->config5 = adt7475_read(REG_CONFIG5); diff --git a/drivers/hwmon/s3c-hwmon.c b/drivers/hwmon/s3c-hwmon.c index 3a524f2fe49..71835412529 100644 --- a/drivers/hwmon/s3c-hwmon.c +++ b/drivers/hwmon/s3c-hwmon.c @@ -323,14 +323,21 @@ static int __devinit s3c_hwmon_probe(struct platform_device *dev) } for (i = 0; i < ARRAY_SIZE(pdata->in); i++) { - if (!pdata->in[i]) + struct s3c24xx_adc_hwmon_incfg *cfg = pdata->in[i]; + + if (!cfg) continue; - if (pdata->in[i]->mult >= 0x10000) + if (cfg->mult >= 0x10000) dev_warn(&dev->dev, "channel %d multiplier too large\n", i); + if (cfg->divider == 0) { + dev_err(&dev->dev, "channel %d divider zero\n", i); + continue; + } + ret = s3c_hwmon_create_attr(&dev->dev, pdata->in[i], &hwmon->attrs[i], i); if (ret) { diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index 72c63e5dd63..38df81fcdc3 100644 --- a/drivers/input/ff-core.c +++ b/drivers/input/ff-core.c @@ -337,16 +337,16 @@ int input_ff_create(struct input_dev *dev, int max_effects) dev->ff = ff; dev->flush = flush_effects; dev->event = input_ff_event; - set_bit(EV_FF, dev->evbit); + __set_bit(EV_FF, dev->evbit); /* Copy "true" bits into ff device bitmap */ for (i = 0; i <= FF_MAX; i++) if (test_bit(i, dev->ffbit)) - set_bit(i, ff->ffbit); + __set_bit(i, ff->ffbit); /* we can emulate RUMBLE with periodic effects */ if (test_bit(FF_PERIODIC, ff->ffbit)) - set_bit(FF_RUMBLE, dev->ffbit); + __set_bit(FF_RUMBLE, dev->ffbit); return 0; } @@ -362,12 +362,14 @@ EXPORT_SYMBOL_GPL(input_ff_create); */ void input_ff_destroy(struct input_dev *dev) { - clear_bit(EV_FF, dev->evbit); - if (dev->ff) { - if (dev->ff->destroy) - dev->ff->destroy(dev->ff); - kfree(dev->ff->private); - kfree(dev->ff); + struct ff_device *ff = dev->ff; + + __clear_bit(EV_FF, dev->evbit); + if (ff) { + if (ff->destroy) + ff->destroy(ff); + kfree(ff->private); + kfree(ff); dev->ff = NULL; } } diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c index 2d1415e1683..b483b2995fa 100644 --- a/drivers/input/ff-memless.c +++ b/drivers/input/ff-memless.c @@ -61,7 +61,6 @@ struct ml_device { struct ml_effect_state states[FF_MEMLESS_EFFECTS]; int gain; struct timer_list timer; - spinlock_t timer_lock; struct input_dev *dev; int (*play_effect)(struct input_dev *dev, void *data, @@ -368,38 +367,38 @@ static void ml_effect_timer(unsigned long timer_data) { struct input_dev *dev = (struct input_dev *)timer_data; struct ml_device *ml = dev->ff->private; + unsigned long flags; debug("timer: updating effects"); - spin_lock(&ml->timer_lock); + spin_lock_irqsave(&dev->event_lock, flags); ml_play_effects(ml); - spin_unlock(&ml->timer_lock); + spin_unlock_irqrestore(&dev->event_lock, flags); } +/* + * Sets requested gain for FF effects. Called with dev->event_lock held. + */ static void ml_ff_set_gain(struct input_dev *dev, u16 gain) { struct ml_device *ml = dev->ff->private; int i; - spin_lock_bh(&ml->timer_lock); - ml->gain = gain; for (i = 0; i < FF_MEMLESS_EFFECTS; i++) __clear_bit(FF_EFFECT_PLAYING, &ml->states[i].flags); ml_play_effects(ml); - - spin_unlock_bh(&ml->timer_lock); } +/* + * Start/stop specified FF effect. Called with dev->event_lock held. + */ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value) { struct ml_device *ml = dev->ff->private; struct ml_effect_state *state = &ml->states[effect_id]; - unsigned long flags; - - spin_lock_irqsave(&ml->timer_lock, flags); if (value > 0) { debug("initiated play"); @@ -425,8 +424,6 @@ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value) ml_play_effects(ml); } - spin_unlock_irqrestore(&ml->timer_lock, flags); - return 0; } @@ -436,7 +433,7 @@ static int ml_ff_upload(struct input_dev *dev, struct ml_device *ml = dev->ff->private; struct ml_effect_state *state = &ml->states[effect->id]; - spin_lock_bh(&ml->timer_lock); + spin_lock_irq(&dev->event_lock); if (test_bit(FF_EFFECT_STARTED, &state->flags)) { __clear_bit(FF_EFFECT_PLAYING, &state->flags); @@ -448,7 +445,7 @@ static int ml_ff_upload(struct input_dev *dev, ml_schedule_timer(ml); } - spin_unlock_bh(&ml->timer_lock); + spin_unlock_irq(&dev->event_lock); return 0; } @@ -482,7 +479,6 @@ int input_ff_create_memless(struct input_dev *dev, void *data, ml->private = data; ml->play_effect = play_effect; ml->gain = 0xffff; - spin_lock_init(&ml->timer_lock); setup_timer(&ml->timer, ml_effect_timer, (unsigned long)dev); set_bit(FF_GAIN, dev->ffbit); diff --git a/drivers/input/input.c b/drivers/input/input.c index cc763c96fad..2266ecbfbc0 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1292,17 +1292,24 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env) return 0; } -#define INPUT_DO_TOGGLE(dev, type, bits, on) \ - do { \ - int i; \ - if (!test_bit(EV_##type, dev->evbit)) \ - break; \ - for (i = 0; i < type##_MAX; i++) { \ - if (!test_bit(i, dev->bits##bit) || \ - !test_bit(i, dev->bits)) \ - continue; \ - dev->event(dev, EV_##type, i, on); \ - } \ +#define INPUT_DO_TOGGLE(dev, type, bits, on) \ + do { \ + int i; \ + bool active; \ + \ + if (!test_bit(EV_##type, dev->evbit)) \ + break; \ + \ + for (i = 0; i < type##_MAX; i++) { \ + if (!test_bit(i, dev->bits##bit)) \ + continue; \ + \ + active = test_bit(i, dev->bits); \ + if (!active && !on) \ + continue; \ + \ + dev->event(dev, EV_##type, i, on ? active : 0); \ + } \ } while (0) #ifdef CONFIG_PM diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c index 4452eabbee6..28e6110d1ff 100644 --- a/drivers/input/keyboard/atkbd.c +++ b/drivers/input/keyboard/atkbd.c @@ -1174,6 +1174,18 @@ static int atkbd_reconnect(struct serio *serio) return -1; atkbd_activate(atkbd); + + /* + * Restore LED state and repeat rate. While input core + * will do this for us at resume time reconnect may happen + * because user requested it via sysfs or simply because + * keyboard was unplugged and plugged in again so we need + * to do it ourselves here. + */ + atkbd_set_leds(atkbd); + if (!atkbd->softrepeat) + atkbd_set_repeat_rate(atkbd); + } atkbd_enable(atkbd); @@ -1422,6 +1434,7 @@ static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count) atkbd->dev = new_dev; atkbd->set = atkbd_select_set(atkbd, value, atkbd->extra); + atkbd_reset_state(atkbd); atkbd_activate(atkbd); atkbd_set_keycode_table(atkbd); atkbd_set_device_attrs(atkbd); diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c index 5e630869440..82811558ec3 100644 --- a/drivers/input/mouse/lifebook.c +++ b/drivers/input/mouse/lifebook.c @@ -107,8 +107,7 @@ static const struct dmi_system_id lifebook_dmi_table[] = { .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "CF-72"), }, - .callback = lifebook_set_serio_phys, - .driver_data = "isa0060/serio3", + .callback = lifebook_set_6byte_proto, }, { .ident = "Lifebook B142", diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 690aed90543..07c53798301 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -581,7 +581,7 @@ static int cortron_detect(struct psmouse *psmouse, bool set_properties) static int psmouse_extensions(struct psmouse *psmouse, unsigned int max_proto, bool set_properties) { - bool synaptics_hardware = true; + bool synaptics_hardware = false; /* * We always check for lifebook because it does not disturb mouse @@ -1673,7 +1673,7 @@ static int psmouse_get_maxproto(char *buffer, struct kernel_param *kp) { int type = *((unsigned int *)kp->arg); - return sprintf(buffer, "%s\n", psmouse_protocol_by_type(type)->name); + return sprintf(buffer, "%s", psmouse_protocol_by_type(type)->name); } static int __init psmouse_init(void) diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index 7467980b8cf..e5225d28f39 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -78,6 +78,8 @@ static int __devinit create_gpio_led(const struct gpio_led *template, { int ret, state; + led_dat->gpio = -1; + /* skip leds that aren't available */ if (!gpio_is_valid(template->gpio)) { printk(KERN_INFO "Skipping unavailable LED gpio %d (%s)\n", diff --git a/drivers/md/md.c b/drivers/md/md.c index e64c971038d..b182f86a19d 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -944,6 +944,14 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev) desc->raid_disk < mddev->raid_disks */) { set_bit(In_sync, &rdev->flags); rdev->raid_disk = desc->raid_disk; + } else if (desc->state & (1<<MD_DISK_ACTIVE)) { + /* active but not in sync implies recovery up to + * reshape position. We don't know exactly where + * that is, so set to zero for now */ + if (mddev->minor_version >= 91) { + rdev->recovery_offset = 0; + rdev->raid_disk = desc->raid_disk; + } } if (desc->state & (1<<MD_DISK_WRITEMOSTLY)) set_bit(WriteMostly, &rdev->flags); @@ -1032,8 +1040,19 @@ static void super_90_sync(mddev_t *mddev, mdk_rdev_t *rdev) list_for_each_entry(rdev2, &mddev->disks, same_set) { mdp_disk_t *d; int desc_nr; - if (rdev2->raid_disk >= 0 && test_bit(In_sync, &rdev2->flags) - && !test_bit(Faulty, &rdev2->flags)) + int is_active = test_bit(In_sync, &rdev2->flags); + + if (rdev2->raid_disk >= 0 && + sb->minor_version >= 91) + /* we have nowhere to store the recovery_offset, + * but if it is not below the reshape_position, + * we can piggy-back on that. + */ + is_active = 1; + if (rdev2->raid_disk < 0 || + test_bit(Faulty, &rdev2->flags)) + is_active = 0; + if (is_active) desc_nr = rdev2->raid_disk; else desc_nr = next_spare++; @@ -1043,16 +1062,16 @@ static void super_90_sync(mddev_t *mddev, mdk_rdev_t *rdev) d->number = rdev2->desc_nr; d->major = MAJOR(rdev2->bdev->bd_dev); d->minor = MINOR(rdev2->bdev->bd_dev); - if (rdev2->raid_disk >= 0 && test_bit(In_sync, &rdev2->flags) - && !test_bit(Faulty, &rdev2->flags)) + if (is_active) d->raid_disk = rdev2->raid_disk; else d->raid_disk = rdev2->desc_nr; /* compatibility */ if (test_bit(Faulty, &rdev2->flags)) d->state = (1<<MD_DISK_FAULTY); - else if (test_bit(In_sync, &rdev2->flags)) { + else if (is_active) { d->state = (1<<MD_DISK_ACTIVE); - d->state |= (1<<MD_DISK_SYNC); + if (test_bit(In_sync, &rdev2->flags)) + d->state |= (1<<MD_DISK_SYNC); active++; working++; } else { @@ -1382,8 +1401,6 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev) if (rdev->raid_disk >= 0 && !test_bit(In_sync, &rdev->flags)) { - if (mddev->curr_resync_completed > rdev->recovery_offset) - rdev->recovery_offset = mddev->curr_resync_completed; if (rdev->recovery_offset > 0) { sb->feature_map |= cpu_to_le32(MD_FEATURE_RECOVERY_OFFSET); @@ -1917,6 +1934,14 @@ static void sync_sbs(mddev_t * mddev, int nospares) */ mdk_rdev_t *rdev; + /* First make sure individual recovery_offsets are correct */ + list_for_each_entry(rdev, &mddev->disks, same_set) { + if (rdev->raid_disk >= 0 && + !test_bit(In_sync, &rdev->flags) && + mddev->curr_resync_completed > rdev->recovery_offset) + rdev->recovery_offset = mddev->curr_resync_completed; + + } list_for_each_entry(rdev, &mddev->disks, same_set) { if (rdev->sb_events == mddev->events || (nospares && diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index dcce204b6c7..d29215d966d 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4823,11 +4823,40 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) return ERR_PTR(-ENOMEM); } + +static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded) +{ + switch (algo) { + case ALGORITHM_PARITY_0: + if (raid_disk < max_degraded) + return 1; + break; + case ALGORITHM_PARITY_N: + if (raid_disk >= raid_disks - max_degraded) + return 1; + break; + case ALGORITHM_PARITY_0_6: + if (raid_disk == 0 || + raid_disk == raid_disks - 1) + return 1; + break; + case ALGORITHM_LEFT_ASYMMETRIC_6: + case ALGORITHM_RIGHT_ASYMMETRIC_6: + case ALGORITHM_LEFT_SYMMETRIC_6: + case ALGORITHM_RIGHT_SYMMETRIC_6: + if (raid_disk == raid_disks - 1) + return 1; + } + return 0; +} + static int run(mddev_t *mddev) { raid5_conf_t *conf; int working_disks = 0, chunk_size; + int dirty_parity_disks = 0; mdk_rdev_t *rdev; + sector_t reshape_offset = 0; if (mddev->recovery_cp != MaxSector) printk(KERN_NOTICE "raid5: %s is not clean" @@ -4861,6 +4890,7 @@ static int run(mddev_t *mddev) "on a stripe boundary\n"); return -EINVAL; } + reshape_offset = here_new * mddev->new_chunk_sectors; /* here_new is the stripe we will write to */ here_old = mddev->reshape_position; sector_div(here_old, mddev->chunk_sectors * @@ -4916,10 +4946,51 @@ static int run(mddev_t *mddev) /* * 0 for a fully functional array, 1 or 2 for a degraded array. */ - list_for_each_entry(rdev, &mddev->disks, same_set) - if (rdev->raid_disk >= 0 && - test_bit(In_sync, &rdev->flags)) + list_for_each_entry(rdev, &mddev->disks, same_set) { + if (rdev->raid_disk < 0) + continue; + if (test_bit(In_sync, &rdev->flags)) working_disks++; + /* This disc is not fully in-sync. However if it + * just stored parity (beyond the recovery_offset), + * when we don't need to be concerned about the + * array being dirty. + * When reshape goes 'backwards', we never have + * partially completed devices, so we only need + * to worry about reshape going forwards. + */ + /* Hack because v0.91 doesn't store recovery_offset properly. */ + if (mddev->major_version == 0 && + mddev->minor_version > 90) + rdev->recovery_offset = reshape_offset; + + printk("%d: w=%d pa=%d pr=%d m=%d a=%d r=%d op1=%d op2=%d\n", + rdev->raid_disk, working_disks, conf->prev_algo, + conf->previous_raid_disks, conf->max_degraded, + conf->algorithm, conf->raid_disks, + only_parity(rdev->raid_disk, + conf->prev_algo, + conf->previous_raid_disks, + conf->max_degraded), + only_parity(rdev->raid_disk, + conf->algorithm, + conf->raid_disks, + conf->max_degraded)); + if (rdev->recovery_offset < reshape_offset) { + /* We need to check old and new layout */ + if (!only_parity(rdev->raid_disk, + conf->algorithm, + conf->raid_disks, + conf->max_degraded)) + continue; + } + if (!only_parity(rdev->raid_disk, + conf->prev_algo, + conf->previous_raid_disks, + conf->max_degraded)) + continue; + dirty_parity_disks++; + } mddev->degraded = (max(conf->raid_disks, conf->previous_raid_disks) - working_disks); @@ -4935,7 +5006,7 @@ static int run(mddev_t *mddev) mddev->dev_sectors &= ~(mddev->chunk_sectors - 1); mddev->resync_max_sectors = mddev->dev_sectors; - if (mddev->degraded > 0 && + if (mddev->degraded > dirty_parity_disks && mddev->recovery_cp != MaxSector) { if (mddev->ok_start_degraded) printk(KERN_WARNING @@ -5361,9 +5432,11 @@ static int raid5_start_reshape(mddev_t *mddev) !test_bit(Faulty, &rdev->flags)) { if (raid5_add_disk(mddev, rdev) == 0) { char nm[20]; - set_bit(In_sync, &rdev->flags); + if (rdev->raid_disk >= conf->previous_raid_disks) + set_bit(In_sync, &rdev->flags); + else + rdev->recovery_offset = 0; added_devices++; - rdev->recovery_offset = 0; sprintf(nm, "rd%d", rdev->raid_disk); if (sysfs_create_link(&mddev->kobj, &rdev->kobj, nm)) diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c index fdb97f3d30e..d7a47574d21 100644 --- a/drivers/mtd/maps/sa1100-flash.c +++ b/drivers/mtd/maps/sa1100-flash.c @@ -209,8 +209,8 @@ static int sa1100_probe_subdev(struct sa_subdev_info *subdev, struct resource *r } subdev->mtd->owner = THIS_MODULE; - printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %dMiB, " - "%d-bit\n", phys, subdev->mtd->size >> 20, + printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %uMiB, %d-bit\n", + phys, (unsigned)(subdev->mtd->size >> 20), subdev->map.bankwidth * 8); return 0; diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 22b02c6df85..e5f8fc164fd 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -175,15 +175,6 @@ dmar_parse_one_drhd(struct acpi_dmar_header *header) int ret = 0; drhd = (struct acpi_dmar_hardware_unit *)header; - if (!drhd->address) { - /* Promote an attitude of violence to a BIOS engineer today */ - WARN(1, "Your BIOS is broken; DMAR reported at address zero!\n" - "BIOS vendor: %s; Ver: %s; Product Version: %s\n", - dmi_get_system_info(DMI_BIOS_VENDOR), - dmi_get_system_info(DMI_BIOS_VERSION), - dmi_get_system_info(DMI_PRODUCT_VERSION)); - return -ENODEV; - } dmaru = kzalloc(sizeof(*dmaru), GFP_KERNEL); if (!dmaru) return -ENOMEM; @@ -591,12 +582,50 @@ int __init dmar_table_init(void) return 0; } +int __init check_zero_address(void) +{ + struct acpi_table_dmar *dmar; + struct acpi_dmar_header *entry_header; + struct acpi_dmar_hardware_unit *drhd; + + dmar = (struct acpi_table_dmar *)dmar_tbl; + entry_header = (struct acpi_dmar_header *)(dmar + 1); + + while (((unsigned long)entry_header) < + (((unsigned long)dmar) + dmar_tbl->length)) { + /* Avoid looping forever on bad ACPI tables */ + if (entry_header->length == 0) { + printk(KERN_WARNING PREFIX + "Invalid 0-length structure\n"); + return 0; + } + + if (entry_header->type == ACPI_DMAR_TYPE_HARDWARE_UNIT) { + drhd = (void *)entry_header; + if (!drhd->address) { + /* Promote an attitude of violence to a BIOS engineer today */ + WARN(1, "Your BIOS is broken; DMAR reported at address zero!\n" + "BIOS vendor: %s; Ver: %s; Product Version: %s\n", + dmi_get_system_info(DMI_BIOS_VENDOR), + dmi_get_system_info(DMI_BIOS_VERSION), + dmi_get_system_info(DMI_PRODUCT_VERSION)); + return 0; + } + break; + } + + entry_header = ((void *)entry_header + entry_header->length); + } + return 1; +} + void __init detect_intel_iommu(void) { int ret; ret = dmar_table_detect(); - + if (ret) + ret = check_zero_address(); { #ifdef CONFIG_INTR_REMAP struct acpi_table_dmar *dmar; diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index b1e97e68250..1840a0578a4 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -2767,7 +2767,15 @@ static void *intel_alloc_coherent(struct device *hwdev, size_t size, size = PAGE_ALIGN(size); order = get_order(size); - flags &= ~(GFP_DMA | GFP_DMA32); + + if (!iommu_no_mapping(hwdev)) + flags &= ~(GFP_DMA | GFP_DMA32); + else if (hwdev->coherent_dma_mask < dma_get_required_mask(hwdev)) { + if (hwdev->coherent_dma_mask < DMA_BIT_MASK(32)) + flags |= GFP_DMA; + else + flags |= GFP_DMA32; + } vaddr = (void *)__get_free_pages(flags, order); if (!vaddr) @@ -3207,6 +3215,33 @@ static int __init init_iommu_sysfs(void) } #endif /* CONFIG_PM */ +/* + * Here we only respond to action of unbound device from driver. + * + * Added device is not attached to its DMAR domain here yet. That will happen + * when mapping the device to iova. + */ +static int device_notifier(struct notifier_block *nb, + unsigned long action, void *data) +{ + struct device *dev = data; + struct pci_dev *pdev = to_pci_dev(dev); + struct dmar_domain *domain; + + domain = find_domain(pdev); + if (!domain) + return 0; + + if (action == BUS_NOTIFY_UNBOUND_DRIVER && !iommu_pass_through) + domain_remove_one_dev_info(domain, pdev); + + return 0; +} + +static struct notifier_block device_nb = { + .notifier_call = device_notifier, +}; + int __init intel_iommu_init(void) { int ret = 0; @@ -3259,6 +3294,8 @@ int __init intel_iommu_init(void) register_iommu(&intel_iommu_ops); + bus_register_notifier(&pci_bus_type, &device_nb); + return 0; } diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 744ea1d0b59..efe568deda1 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1283,7 +1283,8 @@ static int _regulator_disable(struct regulator_dev *rdev) return -EIO; /* are we the last user and permitted to disable ? */ - if (rdev->use_count == 1 && !rdev->constraints->always_on) { + if (rdev->use_count == 1 && + (rdev->constraints && !rdev->constraints->always_on)) { /* we are last user */ if (_regulator_can_change_status(rdev) && diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index f8b295700d7..f9f516a3028 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -196,11 +196,10 @@ static int regulator_fixed_voltage_remove(struct platform_device *pdev) struct fixed_voltage_data *drvdata = platform_get_drvdata(pdev); regulator_unregister(drvdata->dev); - kfree(drvdata->desc.name); - kfree(drvdata); - if (gpio_is_valid(drvdata->gpio)) gpio_free(drvdata->gpio); + kfree(drvdata->desc.name); + kfree(drvdata); return 0; } diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index bb61aede480..902db56ce09 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -175,18 +175,18 @@ static unsigned int wm831x_gp_ldo_get_mode(struct regulator_dev *rdev) struct wm831x *wm831x = ldo->wm831x; int ctrl_reg = ldo->base + WM831X_LDO_CONTROL; int on_reg = ldo->base + WM831X_LDO_ON_CONTROL; - unsigned int ret; + int ret; ret = wm831x_reg_read(wm831x, on_reg); if (ret < 0) - return 0; + return ret; if (!(ret & WM831X_LDO1_ON_MODE)) return REGULATOR_MODE_NORMAL; ret = wm831x_reg_read(wm831x, ctrl_reg); if (ret < 0) - return 0; + return ret; if (ret & WM831X_LDO1_LP_MODE) return REGULATOR_MODE_STANDBY; diff --git a/drivers/rtc/rtc-coh901331.c b/drivers/rtc/rtc-coh901331.c index 7fe1fa26c52..03ea530981d 100644 --- a/drivers/rtc/rtc-coh901331.c +++ b/drivers/rtc/rtc-coh901331.c @@ -58,7 +58,16 @@ static irqreturn_t coh901331_interrupt(int irq, void *data) clk_enable(rtap->clk); /* Ack IRQ */ writel(1, rtap->virtbase + COH901331_IRQ_EVENT); + /* + * Disable the interrupt. This is necessary because + * the RTC lives on a lower-clocked line and will + * not release the IRQ line until after a few (slower) + * clock cycles. The interrupt will be re-enabled when + * a new alarm is set anyway. + */ + writel(0, rtap->virtbase + COH901331_IRQ_MASK); clk_disable(rtap->clk); + /* Set alarm flag */ rtc_update_irq(rtap->rtc, 1, RTC_AF); @@ -128,6 +137,8 @@ static int coh901331_alarm_irq_enable(struct device *dev, unsigned int enabled) else writel(0, rtap->virtbase + COH901331_IRQ_MASK); clk_disable(rtap->clk); + + return 0; } static struct rtc_class_ops coh901331_ops = { diff --git a/drivers/s390/char/monreader.c b/drivers/s390/char/monreader.c index 89ece1c235a..66e21dd2315 100644 --- a/drivers/s390/char/monreader.c +++ b/drivers/s390/char/monreader.c @@ -357,6 +357,7 @@ static int mon_close(struct inode *inode, struct file *filp) atomic_set(&monpriv->msglim_count, 0); monpriv->write_index = 0; monpriv->read_index = 0; + dev_set_drvdata(monreader_device, NULL); for (i = 0; i < MON_MSGLIM; i++) kfree(monpriv->msg_array[i]); diff --git a/drivers/s390/char/sclp_quiesce.c b/drivers/s390/char/sclp_quiesce.c index 84c191c1cd6..05909a7df8b 100644 --- a/drivers/s390/char/sclp_quiesce.c +++ b/drivers/s390/char/sclp_quiesce.c @@ -20,9 +20,12 @@ #include "sclp.h" +static void (*old_machine_restart)(char *); +static void (*old_machine_halt)(void); +static void (*old_machine_power_off)(void); + /* Shutdown handler. Signal completion of shutdown by loading special PSW. */ -static void -do_machine_quiesce(void) +static void do_machine_quiesce(void) { psw_t quiesce_psw; @@ -33,23 +36,48 @@ do_machine_quiesce(void) } /* Handler for quiesce event. Start shutdown procedure. */ -static void -sclp_quiesce_handler(struct evbuf_header *evbuf) +static void sclp_quiesce_handler(struct evbuf_header *evbuf) { - _machine_restart = (void *) do_machine_quiesce; - _machine_halt = do_machine_quiesce; - _machine_power_off = do_machine_quiesce; + if (_machine_restart != (void *) do_machine_quiesce) { + old_machine_restart = _machine_restart; + old_machine_halt = _machine_halt; + old_machine_power_off = _machine_power_off; + _machine_restart = (void *) do_machine_quiesce; + _machine_halt = do_machine_quiesce; + _machine_power_off = do_machine_quiesce; + } ctrl_alt_del(); } +/* Undo machine restart/halt/power_off modification on resume */ +static void sclp_quiesce_pm_event(struct sclp_register *reg, + enum sclp_pm_event sclp_pm_event) +{ + switch (sclp_pm_event) { + case SCLP_PM_EVENT_RESTORE: + if (old_machine_restart) { + _machine_restart = old_machine_restart; + _machine_halt = old_machine_halt; + _machine_power_off = old_machine_power_off; + old_machine_restart = NULL; + old_machine_halt = NULL; + old_machine_power_off = NULL; + } + break; + case SCLP_PM_EVENT_FREEZE: + case SCLP_PM_EVENT_THAW: + break; + } +} + static struct sclp_register sclp_quiesce_event = { .receive_mask = EVTYP_SIGQUIESCE_MASK, - .receiver_fn = sclp_quiesce_handler + .receiver_fn = sclp_quiesce_handler, + .pm_event_fn = sclp_quiesce_pm_event }; /* Initialize quiesce driver. */ -static int __init -sclp_quiesce_init(void) +static int __init sclp_quiesce_init(void) { return sclp_register(&sclp_quiesce_event); } diff --git a/drivers/scsi/bfa/bfad_fwimg.c b/drivers/scsi/bfa/bfad_fwimg.c index b2f6949bc8d..bd34b0db2d6 100644 --- a/drivers/scsi/bfa/bfad_fwimg.c +++ b/drivers/scsi/bfa/bfad_fwimg.c @@ -41,6 +41,8 @@ u32 *bfi_image_cb; #define BFAD_FW_FILE_CT "ctfw.bin" #define BFAD_FW_FILE_CB "cbfw.bin" +MODULE_FIRMWARE(BFAD_FW_FILE_CT); +MODULE_FIRMWARE(BFAD_FW_FILE_CB); u32 * bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c index 158c99243c0..55d012a9a66 100644 --- a/drivers/scsi/bfa/bfad_im.c +++ b/drivers/scsi/bfa/bfad_im.c @@ -948,7 +948,7 @@ bfad_os_fc_host_init(struct bfad_im_port_s *im_port) if (bfad_supported_fc4s & (BFA_PORT_ROLE_FCP_IM | BFA_PORT_ROLE_FCP_TM)) /* For FCP type 0x08 */ fc_host_supported_fc4s(host)[2] = 1; - if (bfad_supported_fc4s | BFA_PORT_ROLE_FCP_IPFC) + if (bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IPFC) /* For LLC/SNAP type 0x05 */ fc_host_supported_fc4s(host)[3] = 0x20; /* For fibre channel services type 0x20 */ diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 185e6bc4dd4..9e8fce0f0c1 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -2900,7 +2900,7 @@ static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr) eindex = handle; estr->event_source = 0; - if (eindex >= MAX_EVENTS) { + if (eindex < 0 || eindex >= MAX_EVENTS) { spin_unlock_irqrestore(&ha->smp_lock, flags); return eindex; } diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 5f045505a1f..76d294fc784 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -4189,6 +4189,25 @@ static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg, } /** + * ipr_isr_eh - Interrupt service routine error handler + * @ioa_cfg: ioa config struct + * @msg: message to log + * + * Return value: + * none + **/ +static void ipr_isr_eh(struct ipr_ioa_cfg *ioa_cfg, char *msg) +{ + ioa_cfg->errors_logged++; + dev_err(&ioa_cfg->pdev->dev, "%s\n", msg); + + if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) + ioa_cfg->sdt_state = GET_DUMP; + + ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); +} + +/** * ipr_isr - Interrupt service routine * @irq: irq number * @devp: pointer to ioa config struct @@ -4203,6 +4222,7 @@ static irqreturn_t ipr_isr(int irq, void *devp) volatile u32 int_reg, int_mask_reg; u32 ioasc; u16 cmd_index; + int num_hrrq = 0; struct ipr_cmnd *ipr_cmd; irqreturn_t rc = IRQ_NONE; @@ -4233,13 +4253,7 @@ static irqreturn_t ipr_isr(int irq, void *devp) IPR_HRRQ_REQ_RESP_HANDLE_MASK) >> IPR_HRRQ_REQ_RESP_HANDLE_SHIFT; if (unlikely(cmd_index >= IPR_NUM_CMD_BLKS)) { - ioa_cfg->errors_logged++; - dev_err(&ioa_cfg->pdev->dev, "Invalid response handle from IOA\n"); - - if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) - ioa_cfg->sdt_state = GET_DUMP; - - ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); + ipr_isr_eh(ioa_cfg, "Invalid response handle from IOA"); spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); return IRQ_HANDLED; } @@ -4266,8 +4280,18 @@ static irqreturn_t ipr_isr(int irq, void *devp) if (ipr_cmd != NULL) { /* Clear the PCI interrupt */ - writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg); - int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; + do { + writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg); + int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg; + } while (int_reg & IPR_PCII_HRRQ_UPDATED && + num_hrrq++ < IPR_MAX_HRRQ_RETRIES); + + if (int_reg & IPR_PCII_HRRQ_UPDATED) { + ipr_isr_eh(ioa_cfg, "Error clearing HRRQ"); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + return IRQ_HANDLED; + } + } else break; } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 163245a1c3e..19bbcf39f0c 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -144,6 +144,7 @@ #define IPR_IOA_MAX_SECTORS 32767 #define IPR_VSET_MAX_SECTORS 512 #define IPR_MAX_CDB_LEN 16 +#define IPR_MAX_HRRQ_RETRIES 3 #define IPR_DEFAULT_BUS_WIDTH 16 #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8)) diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index b3381959acc..33cf988c8c8 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -960,7 +960,6 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id) } } - res = 0; } return res; diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index f7c70e2a822..0a97bc9074b 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -1071,7 +1071,7 @@ static struct pmcraid_cmd *pmcraid_init_hcam ioarcb->data_transfer_length = cpu_to_le32(rcb_size); - ioadl[0].flags |= cpu_to_le32(IOADL_FLAGS_READ_LAST); + ioadl[0].flags |= IOADL_FLAGS_READ_LAST; ioadl[0].data_len = cpu_to_le32(rcb_size); ioadl[0].address = cpu_to_le32(dma); @@ -2251,7 +2251,7 @@ static void pmcraid_request_sense(struct pmcraid_cmd *cmd) ioadl->address = cpu_to_le64(cmd->sense_buffer_dma); ioadl->data_len = cpu_to_le32(SCSI_SENSE_BUFFERSIZE); - ioadl->flags = cpu_to_le32(IOADL_FLAGS_LAST_DESC); + ioadl->flags = IOADL_FLAGS_LAST_DESC; /* request sense might be called as part of error response processing * which runs in tasklets context. It is possible that mid-layer might @@ -3017,7 +3017,7 @@ static int pmcraid_build_ioadl( ioadl[i].flags = 0; } /* setup last descriptor */ - ioadl[i - 1].flags = cpu_to_le32(IOADL_FLAGS_LAST_DESC); + ioadl[i - 1].flags = IOADL_FLAGS_LAST_DESC; return 0; } @@ -3387,7 +3387,7 @@ static int pmcraid_build_passthrough_ioadls( } /* setup the last descriptor */ - ioadl[i - 1].flags = cpu_to_le32(IOADL_FLAGS_LAST_DESC); + ioadl[i - 1].flags = IOADL_FLAGS_LAST_DESC; return 0; } @@ -5314,7 +5314,7 @@ static void pmcraid_querycfg(struct pmcraid_cmd *cmd) cpu_to_le32(sizeof(struct pmcraid_config_table)); ioadl = &(ioarcb->add_data.u.ioadl[0]); - ioadl->flags = cpu_to_le32(IOADL_FLAGS_LAST_DESC); + ioadl->flags = IOADL_FLAGS_LAST_DESC; ioadl->address = cpu_to_le64(pinstance->cfg_table_bus_addr); ioadl->data_len = cpu_to_le32(sizeof(struct pmcraid_config_table)); diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index a67fed10598..c6f70dae9b2 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -3656,6 +3656,7 @@ fc_bsg_host_dispatch(struct request_queue *q, struct Scsi_Host *shost, fail_host_msg: /* return the errno failure code as the only status */ BUG_ON(job->reply_len < sizeof(uint32_t)); + job->reply->reply_payload_rcv_len = 0; job->reply->result = ret; job->reply_len = sizeof(uint32_t); fc_bsg_jobdone(job); @@ -3741,6 +3742,7 @@ check_bidi: fail_rport_msg: /* return the errno failure code as the only status */ BUG_ON(job->reply_len < sizeof(uint32_t)); + job->reply->reply_payload_rcv_len = 0; job->reply->result = ret; job->reply_len = sizeof(uint32_t); fc_bsg_jobdone(job); @@ -3797,6 +3799,7 @@ fc_bsg_request_handler(struct request_queue *q, struct Scsi_Host *shost, /* check if we have the msgcode value at least */ if (job->request_len < sizeof(uint32_t)) { BUG_ON(job->reply_len < sizeof(uint32_t)); + job->reply->reply_payload_rcv_len = 0; job->reply->result = -ENOMSG; job->reply_len = sizeof(uint32_t); fc_bsg_jobdone(job); diff --git a/drivers/spi/spi_stmp.c b/drivers/spi/spi_stmp.c index d871dc23909..2552bb36400 100644 --- a/drivers/spi/spi_stmp.c +++ b/drivers/spi/spi_stmp.c @@ -242,7 +242,7 @@ static int stmp_spi_txrx_dma(struct stmp_spi *ss, int cs, wait_for_completion(&ss->done); if (!busy_wait(readl(ss->regs + HW_SSP_CTRL0) & BM_SSP_CTRL0_RUN)) - status = ETIMEDOUT; + status = -ETIMEDOUT; if (!dma_buf) dma_unmap_single(ss->master_dev, spi_buf_dma, len, dir); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index e3861b21e77..e4eca7810bc 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -609,9 +609,9 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp) acm->throttle = 0; - tasklet_schedule(&acm->urb_task); set_bit(ASYNCB_INITIALIZED, &acm->port.flags); rv = tty_port_block_til_ready(&acm->port, tty, filp); + tasklet_schedule(&acm->urb_task); done: mutex_unlock(&acm->mutex); err_out: @@ -686,15 +686,21 @@ static void acm_tty_close(struct tty_struct *tty, struct file *filp) /* Perform the closing process and see if we need to do the hardware shutdown */ - if (!acm || tty_port_close_start(&acm->port, tty, filp) == 0) + if (!acm) + return; + if (tty_port_close_start(&acm->port, tty, filp) == 0) { + mutex_lock(&open_mutex); + if (!acm->dev) { + tty_port_tty_set(&acm->port, NULL); + acm_tty_unregister(acm); + tty->driver_data = NULL; + } + mutex_unlock(&open_mutex); return; + } acm_port_down(acm, 0); tty_port_close_end(&acm->port, tty); - mutex_lock(&open_mutex); tty_port_tty_set(&acm->port, NULL); - if (!acm->dev) - acm_tty_unregister(acm); - mutex_unlock(&open_mutex); } static int acm_tty_write(struct tty_struct *tty, diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 78bb7710f36..24eb7478191 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -87,6 +87,7 @@ static int ohci_restart (struct ohci_hcd *ohci); #ifdef CONFIG_PCI static void quirk_amd_pll(int state); static void amd_iso_dev_put(void); +static void sb800_prefetch(struct ohci_hcd *ohci, int on); #else static inline void quirk_amd_pll(int state) { @@ -96,6 +97,10 @@ static inline void amd_iso_dev_put(void) { return; } +static inline void sb800_prefetch(struct ohci_hcd *ohci, int on) +{ + return; +} #endif diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index d2ba04dd785..b8a1148f248 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -177,6 +177,13 @@ static int ohci_quirk_amd700(struct usb_hcd *hcd) return 0; pci_read_config_byte(amd_smbus_dev, PCI_REVISION_ID, &rev); + + /* SB800 needs pre-fetch fix */ + if ((rev >= 0x40) && (rev <= 0x4f)) { + ohci->flags |= OHCI_QUIRK_AMD_PREFETCH; + ohci_dbg(ohci, "enabled AMD prefetch quirk\n"); + } + if ((rev > 0x3b) || (rev < 0x30)) { pci_dev_put(amd_smbus_dev); amd_smbus_dev = NULL; @@ -262,6 +269,19 @@ static void amd_iso_dev_put(void) } +static void sb800_prefetch(struct ohci_hcd *ohci, int on) +{ + struct pci_dev *pdev; + u16 misc; + + pdev = to_pci_dev(ohci_to_hcd(ohci)->self.controller); + pci_read_config_word(pdev, 0x50, &misc); + if (on == 0) + pci_write_config_word(pdev, 0x50, misc & 0xfcff); + else + pci_write_config_word(pdev, 0x50, misc | 0x0300); +} + /* List of quirks for OHCI */ static const struct pci_device_id ohci_pci_quirks[] = { { diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index 16fecb8ecc3..35288bcae0d 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -49,9 +49,12 @@ __acquires(ohci->lock) switch (usb_pipetype (urb->pipe)) { case PIPE_ISOCHRONOUS: ohci_to_hcd(ohci)->self.bandwidth_isoc_reqs--; - if (ohci_to_hcd(ohci)->self.bandwidth_isoc_reqs == 0 - && quirk_amdiso(ohci)) - quirk_amd_pll(1); + if (ohci_to_hcd(ohci)->self.bandwidth_isoc_reqs == 0) { + if (quirk_amdiso(ohci)) + quirk_amd_pll(1); + if (quirk_amdprefetch(ohci)) + sb800_prefetch(ohci, 0); + } break; case PIPE_INTERRUPT: ohci_to_hcd(ohci)->self.bandwidth_int_reqs--; @@ -680,9 +683,12 @@ static void td_submit_urb ( data + urb->iso_frame_desc [cnt].offset, urb->iso_frame_desc [cnt].length, urb, cnt); } - if (ohci_to_hcd(ohci)->self.bandwidth_isoc_reqs == 0 - && quirk_amdiso(ohci)) - quirk_amd_pll(0); + if (ohci_to_hcd(ohci)->self.bandwidth_isoc_reqs == 0) { + if (quirk_amdiso(ohci)) + quirk_amd_pll(0); + if (quirk_amdprefetch(ohci)) + sb800_prefetch(ohci, 1); + } periodic = ohci_to_hcd(ohci)->self.bandwidth_isoc_reqs++ == 0 && ohci_to_hcd(ohci)->self.bandwidth_int_reqs == 0; break; diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index 222011f6172..5bf15fed0d9 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -402,6 +402,7 @@ struct ohci_hcd { #define OHCI_QUIRK_FRAME_NO 0x80 /* no big endian frame_no shift */ #define OHCI_QUIRK_HUB_POWER 0x100 /* distrust firmware power/oc setup */ #define OHCI_QUIRK_AMD_ISO 0x200 /* ISO transfers*/ +#define OHCI_QUIRK_AMD_PREFETCH 0x400 /* pre-fetch for ISO transfer */ // there are also chip quirks/bugs in init logic struct work_struct nec_work; /* Worker for NEC quirk */ @@ -433,6 +434,10 @@ static inline int quirk_amdiso(struct ohci_hcd *ohci) { return ohci->flags & OHCI_QUIRK_AMD_ISO; } +static inline int quirk_amdprefetch(struct ohci_hcd *ohci) +{ + return ohci->flags & OHCI_QUIRK_AMD_PREFETCH; +} #else static inline int quirk_nec(struct ohci_hcd *ohci) { @@ -446,6 +451,10 @@ static inline int quirk_amdiso(struct ohci_hcd *ohci) { return 0; } +static inline int quirk_amdprefetch(struct ohci_hcd *ohci) +{ + return 0; +} #endif /* convert between an hcd pointer and the corresponding ohci_hcd */ diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 1db4fea8c17..b8fd270a8b0 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -802,9 +802,11 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) int i; /* Free the Event Ring Segment Table and the actual Event Ring */ - xhci_writel(xhci, 0, &xhci->ir_set->erst_size); - xhci_write_64(xhci, 0, &xhci->ir_set->erst_base); - xhci_write_64(xhci, 0, &xhci->ir_set->erst_dequeue); + if (xhci->ir_set) { + xhci_writel(xhci, 0, &xhci->ir_set->erst_size); + xhci_write_64(xhci, 0, &xhci->ir_set->erst_base); + xhci_write_64(xhci, 0, &xhci->ir_set->erst_dequeue); + } size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries); if (xhci->erst.entries) pci_free_consistent(pdev, size, @@ -841,9 +843,9 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) xhci->dcbaa, xhci->dcbaa->dma); xhci->dcbaa = NULL; + scratchpad_free(xhci); xhci->page_size = 0; xhci->page_shift = 0; - scratchpad_free(xhci); } int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 173c39c7648..821b7b4709d 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -864,9 +864,11 @@ static struct xhci_segment *trb_in_td( cur_seg = start_seg; do { + if (start_dma == 0) + return 0; /* We may get an event for a Link TRB in the middle of a TD */ end_seg_dma = xhci_trb_virt_to_dma(cur_seg, - &start_seg->trbs[TRBS_PER_SEGMENT - 1]); + &cur_seg->trbs[TRBS_PER_SEGMENT - 1]); /* If the end TRB isn't in this segment, this is set to 0 */ end_trb_dma = xhci_trb_virt_to_dma(cur_seg, end_trb); @@ -893,8 +895,9 @@ static struct xhci_segment *trb_in_td( } cur_seg = cur_seg->next; start_dma = xhci_trb_virt_to_dma(cur_seg, &cur_seg->trbs[0]); - } while (1); + } while (cur_seg != start_seg); + return 0; } /* diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 9ed3e741bee..10f3205798e 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -348,12 +348,12 @@ static unsigned int mon_buff_area_alloc_contiguous(struct mon_reader_bin *rp, /* * Return a few (kilo-)bytes to the head of the buffer. - * This is used if a DMA fetch fails. + * This is used if a data fetch fails. */ static void mon_buff_area_shrink(struct mon_reader_bin *rp, unsigned int size) { - size = (size + PKT_ALIGN-1) & ~(PKT_ALIGN-1); + /* size &= ~(PKT_ALIGN-1); -- we're called with aligned size */ rp->b_cnt -= size; if (rp->b_in < size) rp->b_in += rp->b_size; @@ -433,6 +433,7 @@ static void mon_bin_event(struct mon_reader_bin *rp, struct urb *urb, unsigned int urb_length; unsigned int offset; unsigned int length; + unsigned int delta; unsigned int ndesc, lendesc; unsigned char dir; struct mon_bin_hdr *ep; @@ -537,8 +538,10 @@ static void mon_bin_event(struct mon_reader_bin *rp, struct urb *urb, if (length != 0) { ep->flag_data = mon_bin_get_data(rp, offset, urb, length); if (ep->flag_data != 0) { /* Yes, it's 0x00, not '0' */ - ep->len_cap = 0; - mon_buff_area_shrink(rp, length); + delta = (ep->len_cap + PKT_ALIGN-1) & ~(PKT_ALIGN-1); + ep->len_cap -= length; + delta -= (ep->len_cap + PKT_ALIGN-1) & ~(PKT_ALIGN-1); + mon_buff_area_shrink(rp, delta); } } else { ep->flag_data = data_tag; diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 698252a4dc5..bd254ec97d1 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -50,6 +50,8 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *, static void cp210x_break_ctl(struct tty_struct *, int); static int cp210x_startup(struct usb_serial *); static void cp210x_disconnect(struct usb_serial *); +static void cp210x_dtr_rts(struct usb_serial_port *p, int on); +static int cp210x_carrier_raised(struct usb_serial_port *p); static int debug; @@ -143,6 +145,8 @@ static struct usb_serial_driver cp210x_device = { .tiocmset = cp210x_tiocmset, .attach = cp210x_startup, .disconnect = cp210x_disconnect, + .dtr_rts = cp210x_dtr_rts, + .carrier_raised = cp210x_carrier_raised }; /* Config request types */ @@ -746,6 +750,14 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *file, return cp210x_set_config(port, CP210X_SET_MHS, &control, 2); } +static void cp210x_dtr_rts(struct usb_serial_port *p, int on) +{ + if (on) + cp210x_tiocmset_port(p, NULL, TIOCM_DTR|TIOCM_RTS, 0); + else + cp210x_tiocmset_port(p, NULL, 0, TIOCM_DTR|TIOCM_RTS); +} + static int cp210x_tiocmget (struct tty_struct *tty, struct file *file) { struct usb_serial_port *port = tty->driver_data; @@ -768,6 +780,15 @@ static int cp210x_tiocmget (struct tty_struct *tty, struct file *file) return result; } +static int cp210x_carrier_raised(struct usb_serial_port *p) +{ + unsigned int control; + cp210x_get_config(p, CP210X_GET_MDMSTS, &control, 1); + if (control & CONTROL_DCD) + return 1; + return 0; +} + static void cp210x_break_ctl (struct tty_struct *tty, int break_state) { struct usb_serial_port *port = tty->driver_data; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index cd44c68954d..319aaf9725b 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -308,6 +308,7 @@ static int option_resume(struct usb_serial *serial); #define DLINK_VENDOR_ID 0x1186 #define DLINK_PRODUCT_DWM_652 0x3e04 +#define DLINK_PRODUCT_DWM_652_U5 0xce16 #define QISDA_VENDOR_ID 0x1da5 #define QISDA_PRODUCT_H21_4512 0x4512 @@ -586,6 +587,7 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) }, { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) }, { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) }, + { USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */ { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) }, { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) }, { USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) }, diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index 2211a852af9..96774949cd3 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -433,8 +433,9 @@ static int corgi_bl_update_status(struct backlight_device *bd) if (corgibl_flags & CORGIBL_SUSPENDED) intensity = 0; - if (corgibl_flags & CORGIBL_BATTLOW) - intensity &= lcd->limit_mask; + + if ((corgibl_flags & CORGIBL_BATTLOW) && intensity > lcd->limit_mask) + intensity = lcd->limit_mask; return corgi_bl_set_intensity(lcd, intensity); } diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index b6449470106..a482dd7b031 100644 --- a/drivers/video/backlight/lcd.c +++ b/drivers/video/backlight/lcd.c @@ -56,7 +56,7 @@ static int fb_notifier_callback(struct notifier_block *self, static int lcd_register_fb(struct lcd_device *ld) { - memset(&ld->fb_notif, 0, sizeof(&ld->fb_notif)); + memset(&ld->fb_notif, 0, sizeof(ld->fb_notif)); ld->fb_notif.notifier_call = fb_notifier_callback; return fb_register_client(&ld->fb_notif); } diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index d065894ce38..035d56835b7 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -704,7 +704,7 @@ static int __init fb_probe(struct platform_device *device) if (i == ARRAY_SIZE(known_lcd_panels)) { dev_err(&device->dev, "GLCD: No valid panel found\n"); - ret = ENODEV; + ret = -ENODEV; goto err_clk_disable; } else dev_info(&device->dev, "GLCD: Found %s panel\n", |