diff options
| -rw-r--r-- | drivers/input/ff-core.c | 20 | ||||
| -rw-r--r-- | drivers/input/ff-memless.c | 26 | ||||
| -rw-r--r-- | drivers/input/input.c | 29 | ||||
| -rw-r--r-- | drivers/input/keyboard/atkbd.c | 13 | ||||
| -rw-r--r-- | drivers/input/mouse/psmouse-base.c | 2 | ||||
| -rw-r--r-- | include/linux/input.h | 4 |
6 files changed, 58 insertions, 36 deletions
diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index 72c63e5dd630..38df81fcdc3a 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 2d1415e16834..b483b2995fa9 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 cc763c96fada..2266ecbfbc01 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 4452eabbee6d..28e6110d1ff8 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/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 690aed905436..5bd64841bf1c 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -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/include/linux/input.h b/include/linux/input.h index 0ccfc30cd40f..c2b1a7d244d9 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -1377,6 +1377,10 @@ extern struct class input_class; * methods; erase() is optional. set_gain() and set_autocenter() need * only be implemented if driver sets up FF_GAIN and FF_AUTOCENTER * bits. + * + * Note that playback(), set_gain() and set_autocenter() are called with + * dev->event_lock spinlock held and interrupts off and thus may not + * sleep. */ struct ff_device { int (*upload)(struct input_dev *dev, struct ff_effect *effect, |