From 1a60d4c5a0c4028559585a74e48593b16e1ca9b2 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 16 Jan 2006 16:29:08 +0100 Subject: [ALSA] semaphore -> mutex (core part) Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Takashi Iwai --- sound/core/timer.c | 77 +++++++++++++++++++++++++++--------------------------- 1 file changed, 39 insertions(+), 38 deletions(-) (limited to 'sound/core/timer.c') diff --git a/sound/core/timer.c b/sound/core/timer.c index 2425b97..cdeeb63 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #include @@ -70,7 +71,7 @@ struct snd_timer_user { struct timespec tstamp; /* trigger tstamp */ wait_queue_head_t qchange_sleep; struct fasync_struct *fasync; - struct semaphore tread_sem; + struct mutex tread_sem; }; /* list of timers */ @@ -82,7 +83,7 @@ static LIST_HEAD(snd_timer_slave_list); /* lock for slave active lists */ static DEFINE_SPINLOCK(slave_active_lock); -static DECLARE_MUTEX(register_mutex); +static DEFINE_MUTEX(register_mutex); static int snd_timer_free(struct snd_timer *timer); static int snd_timer_dev_free(struct snd_device *device); @@ -252,10 +253,10 @@ int snd_timer_open(struct snd_timer_instance **ti, snd_printd("invalid slave class %i\n", tid->dev_sclass); return -EINVAL; } - down(®ister_mutex); + mutex_lock(®ister_mutex); timeri = snd_timer_instance_new(owner, NULL); if (!timeri) { - up(®ister_mutex); + mutex_unlock(®ister_mutex); return -ENOMEM; } timeri->slave_class = tid->dev_sclass; @@ -263,37 +264,37 @@ int snd_timer_open(struct snd_timer_instance **ti, timeri->flags |= SNDRV_TIMER_IFLG_SLAVE; list_add_tail(&timeri->open_list, &snd_timer_slave_list); snd_timer_check_slave(timeri); - up(®ister_mutex); + mutex_unlock(®ister_mutex); *ti = timeri; return 0; } /* open a master instance */ - down(®ister_mutex); + mutex_lock(®ister_mutex); timer = snd_timer_find(tid); #ifdef CONFIG_KMOD if (timer == NULL) { - up(®ister_mutex); + mutex_unlock(®ister_mutex); snd_timer_request(tid); - down(®ister_mutex); + mutex_lock(®ister_mutex); timer = snd_timer_find(tid); } #endif if (!timer) { - up(®ister_mutex); + mutex_unlock(®ister_mutex); return -ENODEV; } if (!list_empty(&timer->open_list_head)) { timeri = list_entry(timer->open_list_head.next, struct snd_timer_instance, open_list); if (timeri->flags & SNDRV_TIMER_IFLG_EXCLUSIVE) { - up(®ister_mutex); + mutex_unlock(®ister_mutex); return -EBUSY; } } timeri = snd_timer_instance_new(owner, timer); if (!timeri) { - up(®ister_mutex); + mutex_unlock(®ister_mutex); return -ENOMEM; } timeri->slave_class = tid->dev_sclass; @@ -302,7 +303,7 @@ int snd_timer_open(struct snd_timer_instance **ti, timer->hw.open(timer); list_add_tail(&timeri->open_list, &timer->open_list_head); snd_timer_check_master(timeri); - up(®ister_mutex); + mutex_unlock(®ister_mutex); *ti = timeri; return 0; } @@ -333,9 +334,9 @@ int snd_timer_close(struct snd_timer_instance *timeri) spin_lock_irq(&slave_active_lock); } spin_unlock_irq(&slave_active_lock); - down(®ister_mutex); + mutex_lock(®ister_mutex); list_del(&timeri->open_list); - up(®ister_mutex); + mutex_unlock(®ister_mutex); } else { timer = timeri->timer; /* wait, until the active callback is finished */ @@ -346,7 +347,7 @@ int snd_timer_close(struct snd_timer_instance *timeri) spin_lock_irq(&timer->lock); } spin_unlock_irq(&timer->lock); - down(®ister_mutex); + mutex_lock(®ister_mutex); list_del(&timeri->open_list); if (timer && list_empty(&timer->open_list_head) && timer->hw.close) @@ -362,7 +363,7 @@ int snd_timer_close(struct snd_timer_instance *timeri) slave->timer = NULL; spin_unlock_irq(&slave_active_lock); } - up(®ister_mutex); + mutex_unlock(®ister_mutex); } if (timeri->private_free) timeri->private_free(timeri); @@ -835,7 +836,7 @@ static int snd_timer_dev_register(struct snd_device *dev) !timer->hw.resolution && timer->hw.c_resolution == NULL) return -EINVAL; - down(®ister_mutex); + mutex_lock(®ister_mutex); list_for_each(p, &snd_timer_list) { timer1 = list_entry(p, struct snd_timer, device_list); if (timer1->tmr_class > timer->tmr_class) @@ -857,11 +858,11 @@ static int snd_timer_dev_register(struct snd_device *dev) if (timer1->tmr_subdevice < timer->tmr_subdevice) continue; /* conflicts.. */ - up(®ister_mutex); + mutex_unlock(®ister_mutex); return -EBUSY; } list_add_tail(&timer->device_list, p); - up(®ister_mutex); + mutex_unlock(®ister_mutex); return 0; } @@ -871,7 +872,7 @@ static int snd_timer_unregister(struct snd_timer *timer) struct snd_timer_instance *ti; snd_assert(timer != NULL, return -ENXIO); - down(®ister_mutex); + mutex_lock(®ister_mutex); if (! list_empty(&timer->open_list_head)) { snd_printk(KERN_WARNING "timer 0x%lx is busy?\n", (long)timer); list_for_each_safe(p, n, &timer->open_list_head) { @@ -881,7 +882,7 @@ static int snd_timer_unregister(struct snd_timer *timer) } } list_del(&timer->device_list); - up(®ister_mutex); + mutex_unlock(®ister_mutex); return snd_timer_free(timer); } @@ -1065,7 +1066,7 @@ static void snd_timer_proc_read(struct snd_info_entry *entry, struct snd_timer_instance *ti; struct list_head *p, *q; - down(®ister_mutex); + mutex_lock(®ister_mutex); list_for_each(p, &snd_timer_list) { timer = list_entry(p, struct snd_timer, device_list); switch (timer->tmr_class) { @@ -1105,7 +1106,7 @@ static void snd_timer_proc_read(struct snd_info_entry *entry, } spin_unlock_irqrestore(&timer->lock, flags); } - up(®ister_mutex); + mutex_unlock(®ister_mutex); } static struct snd_info_entry *snd_timer_proc_entry = NULL; @@ -1269,7 +1270,7 @@ static int snd_timer_user_open(struct inode *inode, struct file *file) return -ENOMEM; spin_lock_init(&tu->qlock); init_waitqueue_head(&tu->qchange_sleep); - init_MUTEX(&tu->tread_sem); + mutex_init(&tu->tread_sem); tu->ticks = 1; tu->queue_size = 128; tu->queue = kmalloc(tu->queue_size * sizeof(struct snd_timer_read), @@ -1325,7 +1326,7 @@ static int snd_timer_user_next_device(struct snd_timer_id __user *_tid) if (copy_from_user(&id, _tid, sizeof(id))) return -EFAULT; - down(®ister_mutex); + mutex_lock(®ister_mutex); if (id.dev_class < 0) { /* first item */ if (list_empty(&snd_timer_list)) snd_timer_user_zero_id(&id); @@ -1407,7 +1408,7 @@ static int snd_timer_user_next_device(struct snd_timer_id __user *_tid) snd_timer_user_zero_id(&id); } } - up(®ister_mutex); + mutex_unlock(®ister_mutex); if (copy_to_user(_tid, &id, sizeof(*_tid))) return -EFAULT; return 0; @@ -1432,7 +1433,7 @@ static int snd_timer_user_ginfo(struct file *file, tid = ginfo->tid; memset(ginfo, 0, sizeof(*ginfo)); ginfo->tid = tid; - down(®ister_mutex); + mutex_lock(®ister_mutex); t = snd_timer_find(&tid); if (t != NULL) { ginfo->card = t->card ? t->card->number : -1; @@ -1451,7 +1452,7 @@ static int snd_timer_user_ginfo(struct file *file, } else { err = -ENODEV; } - up(®ister_mutex); + mutex_unlock(®ister_mutex); if (err >= 0 && copy_to_user(_ginfo, ginfo, sizeof(*ginfo))) err = -EFAULT; kfree(ginfo); @@ -1467,7 +1468,7 @@ static int snd_timer_user_gparams(struct file *file, if (copy_from_user(&gparams, _gparams, sizeof(gparams))) return -EFAULT; - down(®ister_mutex); + mutex_lock(®ister_mutex); t = snd_timer_find(&gparams.tid); if (!t) { err = -ENODEV; @@ -1483,7 +1484,7 @@ static int snd_timer_user_gparams(struct file *file, } err = t->hw.set_period(t, gparams.period_num, gparams.period_den); _error: - up(®ister_mutex); + mutex_unlock(®ister_mutex); return err; } @@ -1500,7 +1501,7 @@ static int snd_timer_user_gstatus(struct file *file, tid = gstatus.tid; memset(&gstatus, 0, sizeof(gstatus)); gstatus.tid = tid; - down(®ister_mutex); + mutex_lock(®ister_mutex); t = snd_timer_find(&tid); if (t != NULL) { if (t->hw.c_resolution) @@ -1517,7 +1518,7 @@ static int snd_timer_user_gstatus(struct file *file, } else { err = -ENODEV; } - up(®ister_mutex); + mutex_unlock(®ister_mutex); if (err >= 0 && copy_to_user(_gstatus, &gstatus, sizeof(gstatus))) err = -EFAULT; return err; @@ -1532,7 +1533,7 @@ static int snd_timer_user_tselect(struct file *file, int err = 0; tu = file->private_data; - down(&tu->tread_sem); + mutex_lock(&tu->tread_sem); if (tu->timeri) { snd_timer_close(tu->timeri); tu->timeri = NULL; @@ -1576,7 +1577,7 @@ static int snd_timer_user_tselect(struct file *file, } __err: - up(&tu->tread_sem); + mutex_unlock(&tu->tread_sem); return err; } @@ -1797,17 +1798,17 @@ static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, { int xarg; - down(&tu->tread_sem); + mutex_lock(&tu->tread_sem); if (tu->timeri) { /* too late */ - up(&tu->tread_sem); + mutex_unlock(&tu->tread_sem); return -EBUSY; } if (get_user(xarg, p)) { - up(&tu->tread_sem); + mutex_unlock(&tu->tread_sem); return -EFAULT; } tu->tread = xarg ? 1 : 0; - up(&tu->tread_sem); + mutex_unlock(&tu->tread_sem); return 0; } case SNDRV_TIMER_IOCTL_GINFO: -- cgit v1.1