[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 <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Takashi Iwai <[e-mail]>

include/sound/core.h

···
  */
 
 #include <linux/sched.h>		/* wake_up() */
-#include <asm/semaphore.h>		/* struct semaphore */
+#include <linux/mutex.h>		/* struct mutex */
 #include <linux/rwsem.h>		/* struct rw_semaphore */
 #include <linux/workqueue.h>		/* struct workqueue_struct */
 #include <linux/pm.h>			/* pm_message_t */
···
 
 #ifdef CONFIG_PM
 	unsigned int power_state;	/* power state */
-	struct semaphore power_lock;	/* power lock */
+	struct mutex power_lock;	/* power lock */
 	wait_queue_head_t power_sleep;
 #endif
 
···
 #ifdef CONFIG_PM
 static inline void snd_power_lock(struct snd_card *card)
 {
-	down(&card->power_lock);
+	mutex_lock(&card->power_lock);
 }
 
 static inline void snd_power_unlock(struct snd_card *card)
 {
-	up(&card->power_lock);
+	mutex_unlock(&card->power_lock);
 }
 
 static inline unsigned int snd_power_get_state(struct snd_card *card)

include/sound/hwdep.h

···
 	void *private_data;
 	void (*private_free) (struct snd_hwdep *hwdep);
 
-	struct semaphore open_mutex;
+	struct mutex open_mutex;
 	int used;
 	unsigned int dsp_loaded;
 	unsigned int exclusive: 1;

include/sound/info.h

···
 	void *private_data;
 	void (*private_free)(struct snd_info_entry *entry);
 	struct proc_dir_entry *p;
-	struct semaphore access;
+	struct mutex access;
 };
 
 #if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)

include/sound/mixer_oss.h

···
 			  unsigned int active_index);
 	void *private_data_recsrc;
 	void (*private_free_recsrc)(struct snd_mixer_oss *mixer);
-	struct semaphore reg_mutex;
+	struct mutex reg_mutex;
 	struct snd_info_entry *proc_entry;
 	int oss_dev_alloc;
 	/* --- */

include/sound/pcm.h

···
 	char id[64];
 	char name[80];
 	struct snd_pcm_str streams[2];
-	struct semaphore open_mutex;
+	struct mutex open_mutex;
 	wait_queue_head_t open_wait;
 	void *private_data;
 	void (*private_free) (struct snd_pcm *pcm);

include/sound/pcm_oss.h

···
 
 struct snd_pcm_oss_stream {
 	struct snd_pcm_oss_setup *setup_list;	/* setup list */
-        struct semaphore setup_mutex;
+	struct mutex setup_mutex;
 	struct snd_info_entry *proc_entry;
 };
 

include/sound/rawmidi.h

···
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
 #include <linux/wait.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE)
 #include "seq_device.h"
···
 	void *private_data;
 	void (*private_free) (struct snd_rawmidi *rmidi);
 
-	struct semaphore open_mutex;
+	struct mutex open_mutex;
 	wait_queue_head_t open_wait;
 
 	struct snd_info_entry *dev;

include/sound/seq_instr.h

···
 
 	spinlock_t lock;
 	spinlock_t ops_lock;
-	struct semaphore ops_mutex;
+	struct mutex ops_mutex;
 	unsigned long ops_flags;
 };
 

sound/core/hwdep.c

···
 #include <linux/smp_lock.h>
 #include <linux/slab.h>
 #include <linux/time.h>
+#include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/minors.h>
···
 MODULE_LICENSE("GPL");
 
 static LIST_HEAD(snd_hwdep_devices);
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
 
 static int snd_hwdep_free(struct snd_hwdep *hwdep);
 static int snd_hwdep_dev_free(struct snd_device *device);
···
 
 	init_waitqueue_entry(&wait, current);
 	add_wait_queue(&hw->open_wait, &wait);
-	down(&hw->open_mutex);
+	mutex_lock(&hw->open_mutex);
 	while (1) {
 		if (hw->exclusive && hw->used > 0) {
 			err = -EBUSY;
···
 		} else
 			break;
 		set_current_state(TASK_INTERRUPTIBLE);
-		up(&hw->open_mutex);
+		mutex_unlock(&hw->open_mutex);
 		schedule();
-		down(&hw->open_mutex);
+		mutex_lock(&hw->open_mutex);
 		if (signal_pending(current)) {
 			err = -ERESTARTSYS;
 			break;
···
 				hw->ops.release(hw, file);
 		}
 	}
-	up(&hw->open_mutex);
+	mutex_unlock(&hw->open_mutex);
 	if (err < 0)
 		module_put(hw->card->module);
 	return err;
···
 {
 	int err = -ENXIO;
 	struct snd_hwdep *hw = file->private_data;
-	down(&hw->open_mutex);
+	mutex_lock(&hw->open_mutex);
 	if (hw->ops.release) {
 		err = hw->ops.release(hw, file);
 		wake_up(&hw->open_wait);
···
 	if (hw->used > 0)
 		hw->used--;
 	snd_card_file_remove(hw->card, file);
-	up(&hw->open_mutex);
+	mutex_unlock(&hw->open_mutex);
 	module_put(hw->card->module);
 	return err;
 }
···
 
 			if (get_user(device, (int __user *)arg))
 				return -EFAULT;
-			down(&register_mutex);
+			mutex_lock(&register_mutex);
 			device = device < 0 ? 0 : device + 1;
 			while (device < SNDRV_MINOR_HWDEPS) {
 				if (snd_hwdep_search(card, device))
···
 			}
 			if (device >= SNDRV_MINOR_HWDEPS)
 				device = -1;
-			up(&register_mutex);
+			mutex_unlock(&register_mutex);
 			if (put_user(device, (int __user *)arg))
 				return -EFAULT;
 			return 0;
···
 
 			if (get_user(device, &info->device))
 				return -EFAULT;
-			down(&register_mutex);
+			mutex_lock(&register_mutex);
 			hwdep = snd_hwdep_search(card, device);
 			if (hwdep)
 				err = snd_hwdep_info(hwdep, info);
 			else
 				err = -ENXIO;
-			up(&register_mutex);
+			mutex_unlock(&register_mutex);
 			return err;
 		}
 	}
···
 		return err;
 	}
 	init_waitqueue_head(&hwdep->open_wait);
-	init_MUTEX(&hwdep->open_mutex);
+	mutex_init(&hwdep->open_mutex);
 	*rhwdep = hwdep;
 	return 0;
 }
···
 	int err;
 	char name[32];
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	if (snd_hwdep_search(hwdep->card, hwdep->device)) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return -EBUSY;
 	}
 	list_add_tail(&hwdep->list, &snd_hwdep_devices);
···
 		snd_printk(KERN_ERR "unable to register hardware dependent device %i:%i\n",
 			   hwdep->card->number, hwdep->device);
 		list_del(&hwdep->list);
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return err;
 	}
 #ifdef CONFIG_SND_OSSEMUL
···
 		}
 	}
 #endif
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return 0;
 }
 
···
 	struct snd_hwdep *hwdep = device->device_data;
 
 	snd_assert(hwdep != NULL, return -ENXIO);
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	if (snd_hwdep_search(hwdep->card, hwdep->device) != hwdep) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return -EINVAL;
 	}
 #ifdef CONFIG_SND_OSSEMUL
···
 #endif
 	snd_unregister_device(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, hwdep->device);
 	list_del(&hwdep->list);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return snd_hwdep_free(hwdep);
 }
 
···
 	struct list_head *p;
 	struct snd_hwdep *hwdep;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	list_for_each(p, &snd_hwdep_devices) {
 		hwdep = list_entry(p, struct snd_hwdep, list);
 		snd_iprintf(buffer, "%02i-%02i: %s\n",
 			    hwdep->card->number, hwdep->device, hwdep->name);
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 }
 
 static struct snd_info_entry *snd_hwdep_proc_entry;

sound/core/info.c

···
 #include <sound/version.h>
 #include <linux/proc_fs.h>
 #include <linux/devfs_fs_kernel.h>
+#include <linux/mutex.h>
 #include <stdarg.h>
 
 /*
···
 	return 1;
 }
 
-static DECLARE_MUTEX(info_mutex);
+static DEFINE_MUTEX(info_mutex);
 
 struct snd_info_private_data {
 	struct snd_info_buffer *rbuffer;
···
 	struct proc_dir_entry *p;
 	int mode, err;
 
-	down(&info_mutex);
+	mutex_lock(&info_mutex);
 	p = PDE(inode);
 	entry = p == NULL ? NULL : (struct snd_info_entry *)p->data;
 	if (entry == NULL || entry->disconnected) {
-		up(&info_mutex);
+		mutex_unlock(&info_mutex);
 		return -ENODEV;
 	}
 	if (!try_module_get(entry->module)) {
···
 		break;
 	}
 	file->private_data = data;
-	up(&info_mutex);
+	mutex_unlock(&info_mutex);
 	if (entry->content == SNDRV_INFO_CONTENT_TEXT &&
 	    (mode == O_RDONLY || mode == O_RDWR)) {
 		if (entry->c.text.read) {
-			down(&entry->access);
+			mutex_lock(&entry->access);
 			entry->c.text.read(entry, data->rbuffer);
-			up(&entry->access);
+			mutex_unlock(&entry->access);
 		}
 	}
 	return 0;
···
       __error:
 	module_put(entry->module);
       __error1:
-	up(&info_mutex);
+	mutex_unlock(&info_mutex);
 	return err;
 }
 
···
 	}
 	entry->mode = S_IFREG | S_IRUGO;
 	entry->content = SNDRV_INFO_CONTENT_TEXT;
-	init_MUTEX(&entry->access);
+	mutex_init(&entry->access);
 	return entry;
 }
 
···
 
 	snd_assert(entry != NULL, return -ENXIO);
 	root = entry->parent == NULL ? snd_proc_root : entry->parent->p;
-	down(&info_mutex);
+	mutex_lock(&info_mutex);
 	p = snd_create_proc_entry(entry->name, entry->mode, root);
 	if (!p) {
-		up(&info_mutex);
+		mutex_unlock(&info_mutex);
 		return -ENOMEM;
 	}
 	p->owner = entry->module;
···
 	p->size = entry->size;
 	p->data = entry;
 	entry->p = p;
-	up(&info_mutex);
+	mutex_unlock(&info_mutex);
 	return 0;
 }
 
···
 	snd_assert(entry->p != NULL, return -ENXIO);
 	root = entry->parent == NULL ? snd_proc_root : entry->parent->p;
 	snd_assert(root, return -ENXIO);
-	down(&info_mutex);
+	mutex_lock(&info_mutex);
 	snd_remove_proc_entry(root, entry->p);
-	up(&info_mutex);
+	mutex_unlock(&info_mutex);
 	snd_info_free_entry(entry);
 	return 0;
 }

sound/core/info_oss.c

···
 #include <sound/info.h>
 #include <sound/version.h>
 #include <linux/utsname.h>
+#include <linux/mutex.h>
 
 #if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)
 
···
  *  OSS compatible part
  */
 
-static DECLARE_MUTEX(strings);
+static DEFINE_MUTEX(strings);
 static char *snd_sndstat_strings[SNDRV_CARDS][SNDRV_OSS_INFO_DEV_COUNT];
 static struct snd_info_entry *snd_sndstat_proc_entry;
 
···
 
 	snd_assert(dev >= 0 && dev < SNDRV_OSS_INFO_DEV_COUNT, return -ENXIO);
 	snd_assert(num >= 0 && num < SNDRV_CARDS, return -ENXIO);
-	down(&strings);
+	mutex_lock(&strings);
 	if (string == NULL) {
 		if ((x = snd_sndstat_strings[num][dev]) != NULL) {
 			kfree(x);
···
 	} else {
 		x = kstrdup(string, GFP_KERNEL);
 		if (x == NULL) {
-			up(&strings);
+			mutex_unlock(&strings);
 			return -ENOMEM;
 		}
 	}
 	snd_sndstat_strings[num][dev] = x;
-	up(&strings);
+	mutex_unlock(&strings);
 	return 0;
 }
 
···
 	char *str;
 
 	snd_iprintf(buf, "\n%s:", id);
-	down(&strings);
+	mutex_lock(&strings);
 	for (idx = 0; idx < SNDRV_CARDS; idx++) {
 		str = snd_sndstat_strings[idx][dev];
 		if (str) {
···
 			snd_iprintf(buf, "%i: %s\n", idx, str);
 		}
 	}
-	up(&strings);
+	mutex_unlock(&strings);
 	if (ok < 0)
 		snd_iprintf(buf, " NOT ENABLED IN CONFIG\n");
 	return ok;

sound/core/init.c

···
 	init_waitqueue_head(&card->shutdown_sleep);
 	INIT_WORK(&card->free_workq, snd_card_free_thread, card);
 #ifdef CONFIG_PM
-	init_MUTEX(&card->power_lock);
+	mutex_init(&card->power_lock);
 	init_waitqueue_head(&card->power_sleep);
 #endif
 	/* the control interface cannot be accessed from the user space until */

sound/core/memalloc.c

···
 #include <asm/uaccess.h>
 #include <linux/dma-mapping.h>
 #include <linux/moduleparam.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #include <sound/memalloc.h>
 #ifdef CONFIG_SBUS
 #include <asm/sbus.h>
···
 /*
  */
 
-static DECLARE_MUTEX(list_mutex);
+static DEFINE_MUTEX(list_mutex);
 static LIST_HEAD(mem_list_head);
 
 /* buffer preservation list */
···
 
 	snd_assert(dmab, return 0);
 
-	down(&list_mutex);
+	mutex_lock(&list_mutex);
 	list_for_each(p, &mem_list_head) {
 		mem = list_entry(p, struct snd_mem_list, list);
 		if (mem->id == id &&
···
 			if (dmab->dev.dev == NULL)
 				dmab->dev.dev = dev;
 			kfree(mem);
-			up(&list_mutex);
+			mutex_unlock(&list_mutex);
 			return dmab->bytes;
 		}
 	}
-	up(&list_mutex);
+	mutex_unlock(&list_mutex);
 	return 0;
 }
 
···
 	mem = kmalloc(sizeof(*mem), GFP_KERNEL);
 	if (! mem)
 		return -ENOMEM;
-	down(&list_mutex);
+	mutex_lock(&list_mutex);
 	mem->buffer = *dmab;
 	mem->id = id;
 	list_add_tail(&mem->list, &mem_list_head);
-	up(&list_mutex);
+	mutex_unlock(&list_mutex);
 	return 0;
 }
 
···
 	struct list_head *p;
 	struct snd_mem_list *mem;
 
-	down(&list_mutex);
+	mutex_lock(&list_mutex);
 	while (! list_empty(&mem_list_head)) {
 		p = mem_list_head.next;
 		mem = list_entry(p, struct snd_mem_list, list);
···
 		snd_dma_free_pages(&mem->buffer);
 		kfree(mem);
 	}
-	up(&list_mutex);
+	mutex_unlock(&list_mutex);
 }
 
 
···
 	int devno;
 	static char *types[] = { "UNKNOWN", "CONT", "DEV", "DEV-SG", "SBUS" };
 
-	down(&list_mutex);
+	mutex_lock(&list_mutex);
 	len += snprintf(page + len, count - len,
 			"pages  : %li bytes (%li pages per %likB)\n",
 			pages * PAGE_SIZE, pages, PAGE_SIZE / 1024);
···
 				"  addr = 0x%lx, size = %d bytes\n",
 				(unsigned long)mem->buffer.addr, (int)mem->buffer.bytes);
 	}
-	up(&list_mutex);
+	mutex_unlock(&list_mutex);
 	return len;
 }
 

sound/core/oss/mixer_oss.c

···
 	struct snd_mixer_oss *mixer = entry->private_data;
 	int i;
 
-	down(&mixer->reg_mutex);
+	mutex_lock(&mixer->reg_mutex);
 	for (i = 0; i < SNDRV_OSS_MAX_MIXERS; i++) {
 		struct slot *p;
 
···
 		else
 			snd_iprintf(buffer, "\"\" 0\n");
 	}
-	up(&mixer->reg_mutex);
+	mutex_unlock(&mixer->reg_mutex);
 }
 
 static void snd_mixer_oss_proc_write(struct snd_info_entry *entry,
···
 		cptr = snd_info_get_str(str, cptr, sizeof(str));
 		if (! *str) {
 			/* remove the entry */
-			down(&mixer->reg_mutex);
+			mutex_lock(&mixer->reg_mutex);
 			mixer_slot_clear(&mixer->slots[ch]);
-			up(&mixer->reg_mutex);
+			mutex_unlock(&mixer->reg_mutex);
 			continue;
 		}
 		snd_info_get_str(idxstr, cptr, sizeof(idxstr));
···
 			snd_printk(KERN_ERR "mixer_oss: invalid index %d\n", idx);
 			continue;
 		}
-		down(&mixer->reg_mutex);
+		mutex_lock(&mixer->reg_mutex);
 		slot = (struct slot *)mixer->slots[ch].private_data;
 		if (slot && slot->assigned &&
 		    slot->assigned->index == idx && ! strcmp(slot->assigned->name, str))
···
 			kfree(tbl);
 		}
 	__unlock:
-		up(&mixer->reg_mutex);
+		mutex_unlock(&mixer->reg_mutex);
 	}
 }
 
···
 		mixer = kcalloc(2, sizeof(*mixer), GFP_KERNEL);
 		if (mixer == NULL)
 			return -ENOMEM;
-		init_MUTEX(&mixer->reg_mutex);
+		mutex_init(&mixer->reg_mutex);
 		sprintf(name, "mixer%i%i", card->number, 0);
 		if ((err = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER,
 						   card, 0,

sound/core/oss/pcm_oss.c

···
 	const char *ptr, *ptrl;
 	struct snd_pcm_oss_setup *setup;
 
-	down(&pcm->streams[stream].oss.setup_mutex);
+	mutex_lock(&pcm->streams[stream].oss.setup_mutex);
 	for (setup = pcm->streams[stream].oss.setup_list; setup; setup = setup->next) {
 		if (!strcmp(setup->task_name, task_name)) {
-			up(&pcm->streams[stream].oss.setup_mutex);
+			mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
 			return setup;
 		}
 	}
···
 	}
 	for (setup = pcm->streams[stream].oss.setup_list; setup; setup = setup->next) {
 		if (!strcmp(setup->task_name, ptrl)) {
-			up(&pcm->streams[stream].oss.setup_mutex);
+			mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
 			return setup;
 		}
 	}
       __not_found:
-	up(&pcm->streams[stream].oss.setup_mutex);
+	mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
 	return NULL;
 }
 
···
 
 	init_waitqueue_entry(&wait, current);
 	add_wait_queue(&pcm->open_wait, &wait);
-	down(&pcm->open_mutex);
+	mutex_lock(&pcm->open_mutex);
 	while (1) {
 		err = snd_pcm_oss_open_file(file, pcm, &pcm_oss_file,
 					    iminor(inode), psetup, csetup);
···
 		} else
 			break;
 		set_current_state(TASK_INTERRUPTIBLE);
-		up(&pcm->open_mutex);
+		mutex_unlock(&pcm->open_mutex);
 		schedule();
-		down(&pcm->open_mutex);
+		mutex_lock(&pcm->open_mutex);
 		if (signal_pending(current)) {
 			err = -ERESTARTSYS;
 			break;
 		}
 	}
 	remove_wait_queue(&pcm->open_wait, &wait);
-	up(&pcm->open_mutex);
+	mutex_unlock(&pcm->open_mutex);
 	if (err < 0)
 		goto __error;
 	return err;
···
 	snd_assert(substream != NULL, return -ENXIO);
 	pcm = substream->pcm;
 	snd_pcm_oss_sync(pcm_oss_file);
-	down(&pcm->open_mutex);
+	mutex_lock(&pcm->open_mutex);
 	snd_pcm_oss_release_file(pcm_oss_file);
-	up(&pcm->open_mutex);
+	mutex_unlock(&pcm->open_mutex);
 	wake_up(&pcm->open_wait);
 	module_put(pcm->card->module);
 	snd_card_file_remove(pcm->card, file);
···
 {
 	struct snd_pcm_str *pstr = entry->private_data;
 	struct snd_pcm_oss_setup *setup = pstr->oss.setup_list;
-	down(&pstr->oss.setup_mutex);
+	mutex_lock(&pstr->oss.setup_mutex);
 	while (setup) {
 		snd_iprintf(buffer, "%s %u %u%s%s%s%s%s%s\n",
 			    setup->task_name,
···
 			    setup->nosilence ? " no-silence" : "");
 		setup = setup->next;
 	}
-	up(&pstr->oss.setup_mutex);
+	mutex_unlock(&pstr->oss.setup_mutex);
 }
 
 static void snd_pcm_oss_proc_free_setup_list(struct snd_pcm_str * pstr)
···
 	struct snd_pcm_oss_setup *setup, *setup1, template;
 
 	while (!snd_info_get_line(buffer, line, sizeof(line))) {
-		down(&pstr->oss.setup_mutex);
+		mutex_lock(&pstr->oss.setup_mutex);
 		memset(&template, 0, sizeof(template));
 		ptr = snd_info_get_str(task_name, line, sizeof(task_name));
 		if (!strcmp(task_name, "clear") || !strcmp(task_name, "erase")) {
 			snd_pcm_oss_proc_free_setup_list(pstr);
-			up(&pstr->oss.setup_mutex);
+			mutex_unlock(&pstr->oss.setup_mutex);
 			continue;
 		}
 		for (setup = pstr->oss.setup_list; setup; setup = setup->next) {
···
 		}
 		if (setup)
 			*setup = template;
-		up(&pstr->oss.setup_mutex);
+		mutex_unlock(&pstr->oss.setup_mutex);
 	}
 }
 

sound/core/pcm.c

···
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/time.h>
+#include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/minors.h>
 #include <sound/pcm.h>
···
 
 static LIST_HEAD(snd_pcm_devices);
 static LIST_HEAD(snd_pcm_notify_list);
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
 
 static int snd_pcm_free(struct snd_pcm *pcm);
 static int snd_pcm_dev_free(struct snd_device *device);
···
 
 			if (get_user(device, (int __user *)arg))
 				return -EFAULT;
-			down(&register_mutex);
+			mutex_lock(&register_mutex);
 			device = device < 0 ? 0 : device + 1;
 			while (device < SNDRV_PCM_DEVICES) {
 				if (snd_pcm_search(card, device))
···
 			}
 			if (device == SNDRV_PCM_DEVICES)
 				device = -1;
-			up(&register_mutex);
+			mutex_unlock(&register_mutex);
 			if (put_user(device, (int __user *)arg))
 				return -EFAULT;
 			return 0;
···
 				return -EINVAL;
 			if (get_user(subdevice, &info->subdevice))
 				return -EFAULT;
-			down(&register_mutex);
+			mutex_lock(&register_mutex);
 			pcm = snd_pcm_search(card, device);
 			if (pcm == NULL) {
 				err = -ENXIO;
···
 			}
 			err = snd_pcm_info_user(substream, info);
 		_error:
-			up(&register_mutex);
+			mutex_unlock(&register_mutex);
 			return err;
 		}
 	case SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE:
···
 
 #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
 #include <linux/soundcard.h>
+
 static const char *snd_pcm_oss_format_name(int format)
 {
 	switch (format) {
···
 	struct snd_pcm_substream *substream, *prev;
 
 #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
-	init_MUTEX(&pstr->oss.setup_mutex);
+	mutex_init(&pstr->oss.setup_mutex);
 #endif
 	pstr->stream = stream;
 	pstr->pcm = pcm;
···
 		snd_pcm_free(pcm);
 		return err;
 	}
-	init_MUTEX(&pcm->open_mutex);
+	mutex_init(&pcm->open_mutex);
 	init_waitqueue_head(&pcm->open_wait);
 	if ((err = snd_device_new(card, SNDRV_DEV_PCM, pcm, &ops)) < 0) {
 		snd_pcm_free(pcm);
···
 	struct snd_pcm *pcm = device->device_data;
 
 	snd_assert(pcm != NULL && device != NULL, return -ENXIO);
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	if (snd_pcm_search(pcm->card, pcm->device)) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return -EBUSY;
 	}
 	list_add_tail(&pcm->list, &snd_pcm_devices);
···
 					       pcm, str)) < 0)
 		{
 			list_del(&pcm->list);
-			up(&register_mutex);
+			mutex_unlock(&register_mutex);
 			return err;
 		}
 		for (substream = pcm->streams[cidx].substream; substream; substream = substream->next)
···
 		notify = list_entry(list, struct snd_pcm_notify, list);
 		notify->n_register(pcm);
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return 0;
 }
 
···
 	struct snd_pcm_substream *substream;
 	int cidx;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	list_del_init(&pcm->list);
 	for (cidx = 0; cidx < 2; cidx++)
 		for (substream = pcm->streams[cidx].substream; substream; substream = substream->next)
···
 		notify = list_entry(list, struct snd_pcm_notify, list);
 		notify->n_disconnect(pcm);
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return 0;
 }
 
···
 	struct snd_pcm *pcm = device->device_data;
 
 	snd_assert(pcm != NULL, return -ENXIO);
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	list_del(&pcm->list);
 	for (cidx = 0; cidx < 2; cidx++) {
 		devtype = -1;
···
 		notify = list_entry(list, struct snd_pcm_notify, list);
 		notify->n_unregister(pcm);
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return snd_pcm_free(pcm);
 }
 
···
 	struct list_head *p;
 
 	snd_assert(notify != NULL && notify->n_register != NULL && notify->n_unregister != NULL, return -EINVAL);
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	if (nfree) {
 		list_del(&notify->list);
 		list_for_each(p, &snd_pcm_devices)
···
 		list_for_each(p, &snd_pcm_devices)
 			notify->n_register(list_entry(p, struct snd_pcm, list));
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return 0;
 }
 
···
 	struct list_head *p;
 	struct snd_pcm *pcm;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	list_for_each(p, &snd_pcm_devices) {
 		pcm = list_entry(p, struct snd_pcm, list);
 		snd_iprintf(buffer, "%02i-%02i: %s : %s",
···
 				    pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream_count);
 		snd_iprintf(buffer, "\n");
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 }
 
 static struct snd_info_entry *snd_pcm_proc_entry = NULL;

sound/core/pcm_native.c

···
 	}
 	init_waitqueue_entry(&wait, current);
 	add_wait_queue(&pcm->open_wait, &wait);
-	down(&pcm->open_mutex);
+	mutex_lock(&pcm->open_mutex);
 	while (1) {
 		err = snd_pcm_open_file(file, pcm, stream, &pcm_file);
 		if (err >= 0)
···
 		} else
 			break;
 		set_current_state(TASK_INTERRUPTIBLE);
-		up(&pcm->open_mutex);
+		mutex_unlock(&pcm->open_mutex);
 		schedule();
-		down(&pcm->open_mutex);
+		mutex_lock(&pcm->open_mutex);
 		if (signal_pending(current)) {
 			err = -ERESTARTSYS;
 			break;
 		}
 	}
 	remove_wait_queue(&pcm->open_wait, &wait);
-	up(&pcm->open_mutex);
+	mutex_unlock(&pcm->open_mutex);
 	if (err < 0)
 		goto __error;
 	return err;
···
 	pcm = substream->pcm;
 	snd_pcm_drop(substream);
 	fasync_helper(-1, file, 0, &substream->runtime->fasync);
-	down(&pcm->open_mutex);
+	mutex_lock(&pcm->open_mutex);
 	snd_pcm_release_file(pcm_file);
-	up(&pcm->open_mutex);
+	mutex_unlock(&pcm->open_mutex);
 	wake_up(&pcm->open_wait);
 	module_put(pcm->card->module);
 	snd_card_file_remove(pcm->card, file);

sound/core/rawmidi.c

···
 #include <linux/slab.h>
 #include <linux/time.h>
 #include <linux/wait.h>
+#include <linux/mutex.h>
 #include <linux/moduleparam.h>
 #include <linux/delay.h>
 #include <linux/wait.h>
···
 static int snd_rawmidi_dev_unregister(struct snd_device *device);
 
 static LIST_HEAD(snd_rawmidi_devices);
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
 
 static struct snd_rawmidi *snd_rawmidi_search(struct snd_card *card, int device)
 {
···
 
 	if (rfile)
 		rfile->input = rfile->output = NULL;
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	rmidi = snd_rawmidi_search(card, device);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	if (rmidi == NULL) {
 		err = -ENODEV;
 		goto __error1;
···
 		goto __error1;
 	}
 	if (!(mode & SNDRV_RAWMIDI_LFLG_NOOPENLOCK))
-		down(&rmidi->open_mutex);
+		mutex_lock(&rmidi->open_mutex);
 	if (mode & SNDRV_RAWMIDI_LFLG_INPUT) {
 		if (!(rmidi->info_flags & SNDRV_RAWMIDI_INFO_INPUT)) {
 			err = -ENXIO;
···
 		soutput = NULL;
 	}
 	if (!(mode & SNDRV_RAWMIDI_LFLG_NOOPENLOCK))
-		up(&rmidi->open_mutex);
+		mutex_unlock(&rmidi->open_mutex);
 	if (rfile) {
 		rfile->rmidi = rmidi;
 		rfile->input = sinput;
···
 		snd_rawmidi_runtime_free(soutput);
 	module_put(rmidi->card->module);
 	if (!(mode & SNDRV_RAWMIDI_LFLG_NOOPENLOCK))
-		up(&rmidi->open_mutex);
+		mutex_unlock(&rmidi->open_mutex);
       __error1:
 	return err;
 }
···
 	}
 	init_waitqueue_entry(&wait, current);
 	add_wait_queue(&rmidi->open_wait, &wait);
-	down(&rmidi->open_mutex);
+	mutex_lock(&rmidi->open_mutex);
 	while (1) {
 		subdevice = -1;
 		down_read(&card->controls_rwsem);
···
 		} else
 			break;
 		set_current_state(TASK_INTERRUPTIBLE);
-		up(&rmidi->open_mutex);
+		mutex_unlock(&rmidi->open_mutex);
 		schedule();
-		down(&rmidi->open_mutex);
+		mutex_lock(&rmidi->open_mutex);
 		if (signal_pending(current)) {
 			err = -ERESTARTSYS;
 			break;
···
 		snd_card_file_remove(card, file);
 		kfree(rawmidi_file);
 	}
-	up(&rmidi->open_mutex);
+	mutex_unlock(&rmidi->open_mutex);
 	return err;
 }
 
···
 	snd_assert(rfile != NULL, return -ENXIO);
 	snd_assert(rfile->input != NULL || rfile->output != NULL, return -ENXIO);
 	rmidi = rfile->rmidi;
-	down(&rmidi->open_mutex);
+	mutex_lock(&rmidi->open_mutex);
 	if (rfile->input != NULL) {
 		substream = rfile->input;
 		rfile->input = NULL;
···
 		}
 		rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substream_opened--;
 	}
-	up(&rmidi->open_mutex);
+	mutex_unlock(&rmidi->open_mutex);
 	module_put(rmidi->card->module);
 	return 0;
 }
···
 	struct snd_rawmidi_substream *substream;
 	struct list_head *list;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	rmidi = snd_rawmidi_search(card, info->device);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	if (!rmidi)
 		return -ENXIO;
 	if (info->stream < 0 || info->stream > 1)
···
 		
 		if (get_user(device, (int __user *)argp))
 			return -EFAULT;
-		down(&register_mutex);
+		mutex_lock(&register_mutex);
 		device = device < 0 ? 0 : device + 1;
 		while (device < SNDRV_RAWMIDI_DEVICES) {
 			if (snd_rawmidi_search(card, device))
···
 		}
 		if (device == SNDRV_RAWMIDI_DEVICES)
 			device = -1;
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		if (put_user(device, (int __user *)argp))
 			return -EFAULT;
 		return 0;
···
 
 	rmidi = entry->private_data;
 	snd_iprintf(buffer, "%s\n\n", rmidi->name);
-	down(&rmidi->open_mutex);
+	mutex_lock(&rmidi->open_mutex);
 	if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_OUTPUT) {
 		list_for_each(list, &rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams) {
 			substream = list_entry(list, struct snd_rawmidi_substream, list);
···
 			}
 		}
 	}
-	up(&rmidi->open_mutex);
+	mutex_unlock(&rmidi->open_mutex);
 }
 
 /*
···
 	}
 	rmidi->card = card;
 	rmidi->device = device;
-	init_MUTEX(&rmidi->open_mutex);
+	mutex_init(&rmidi->open_mutex);
 	init_waitqueue_head(&rmidi->open_wait);
 	if (id != NULL)
 		strlcpy(rmidi->id, id, sizeof(rmidi->id));
···
 
 	if (rmidi->device >= SNDRV_RAWMIDI_DEVICES)
 		return -ENOMEM;
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	if (snd_rawmidi_search(rmidi->card, rmidi->device)) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return -EBUSY;
 	}
 	list_add_tail(&rmidi->list, &snd_rawmidi_devices);
···
 				       &snd_rawmidi_f_ops, rmidi, name)) < 0) {
 		snd_printk(KERN_ERR "unable to register rawmidi device %i:%i\n", rmidi->card->number, rmidi->device);
 		list_del(&rmidi->list);
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return err;
 	}
 	if (rmidi->ops && rmidi->ops->dev_register &&
 	    (err = rmidi->ops->dev_register(rmidi)) < 0) {
 		snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device);
 		list_del(&rmidi->list);
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return err;
 	}
 #ifdef CONFIG_SND_OSSEMUL
···
 		}
 	}
 #endif /* CONFIG_SND_OSSEMUL */
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	sprintf(name, "midi%d", rmidi->device);
 	entry = snd_info_create_card_entry(rmidi->card, name, rmidi->card->proc_root);
 	if (entry) {
···
 {
 	struct snd_rawmidi *rmidi = device->device_data;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	list_del_init(&rmidi->list);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return 0;
 }
 
···
 	struct snd_rawmidi *rmidi = device->device_data;
 
 	snd_assert(rmidi != NULL, return -ENXIO);
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	list_del(&rmidi->list);
 	if (rmidi->proc_entry) {
 		snd_info_unregister(rmidi->proc_entry);
···
 	if (rmidi->ops && rmidi->ops->dev_unregister)
 		rmidi->ops->dev_unregister(rmidi);
 	snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
 	if (rmidi->seq_dev) {
 		snd_device_free(rmidi->card, rmidi->seq_dev);

sound/core/seq/oss/seq_oss.c

···
 #include <linux/init.h>
 #include <linux/smp_lock.h>
 #include <linux/moduleparam.h>
+#include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/minors.h>
 #include <sound/initval.h>
···
  * ALSA minor device interface
  */
 
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
 
 static int
 odev_open(struct inode *inode, struct file *file)
···
 	else
 		level = SNDRV_SEQ_OSS_MODE_SYNTH;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	rc = snd_seq_oss_open(file, level);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 
 	return rc;
 }
···
 
 	snd_seq_oss_drain_write(dp);
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	snd_seq_oss_release(dp);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 
 	return 0;
 }
···
 {
 	int rc;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER,
 					  NULL, 0,
 					  &seq_oss_f_ops, NULL,
 					  SNDRV_SEQ_OSS_DEVNAME)) < 0) {
 		snd_printk(KERN_ERR "can't register device seq\n");
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return rc;
 	}
 	if ((rc = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MUSIC,
···
 					  SNDRV_SEQ_OSS_DEVNAME)) < 0) {
 		snd_printk(KERN_ERR "can't register device music\n");
 		snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0);
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return rc;
 	}
 	debug_printk(("device registered\n"));
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return 0;
 }
 
 static void
 unregister_device(void)
 {
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	debug_printk(("device unregistered\n"));
 	if (snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MUSIC, NULL, 0) < 0)		
 		snd_printk(KERN_ERR "error unregister device music\n");
 	if (snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_SEQUENCER, NULL, 0) < 0)
 		snd_printk(KERN_ERR "error unregister device seq\n");
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 }
 
 /*
···
 static void
 info_read(struct snd_info_entry *entry, struct snd_info_buffer *buf)
 {
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	snd_iprintf(buf, "OSS sequencer emulation version %s\n", SNDRV_SEQ_OSS_VERSION_STR);
 	snd_seq_oss_system_info_read(buf);
 	snd_seq_oss_synth_info_read(buf);
 	snd_seq_oss_midi_info_read(buf);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 }
 
 

sound/core/seq/seq_clientmgr.c

···
 #define SNDRV_SEQ_LFLG_OPEN	(SNDRV_SEQ_LFLG_INPUT|SNDRV_SEQ_LFLG_OUTPUT)
 
 static DEFINE_SPINLOCK(clients_lock);
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
 
 /*
  * client table
···
 	client->type = NO_CLIENT;
 	snd_use_lock_init(&client->use_lock);
 	rwlock_init(&client->ports_lock);
-	init_MUTEX(&client->ports_mutex);
+	mutex_init(&client->ports_mutex);
 	INIT_LIST_HEAD(&client->ports_list_head);
 
 	/* find free slot in the client table */
···
 
 static void seq_free_client(struct snd_seq_client * client)
 {
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	switch (client->type) {
 	case NO_CLIENT:
 		snd_printk(KERN_WARNING "Seq: Trying to free unused client %d\n",
···
 		snd_printk(KERN_ERR "Seq: Trying to free client %d with undefined type = %d\n",
 			   client->number, client->type);
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 
 	snd_seq_system_client_ev_client_exit(client->number);
 }
···
 	struct snd_seq_client *client;
 	struct snd_seq_user_client *user;
 
-	if (down_interruptible(&register_mutex))
+	if (mutex_lock_interruptible(&register_mutex))
 		return -ERESTARTSYS;
 	client = seq_create_client1(-1, SNDRV_SEQ_DEFAULT_EVENTS);
 	if (client == NULL) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return -ENOMEM;	/* failure code */
 	}
 
···
 		if (user->fifo == NULL) {
 			seq_free_client1(client);
 			kfree(client);
-			up(&register_mutex);
+			mutex_unlock(&register_mutex);
 			return -ENOMEM;
 		}
 	}
 
 	usage_alloc(&client_usage, 1);
 	client->type = USER_CLIENT;
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 
 	c = client->number;
 	file->private_data = client;
···
 	if (queue == NULL)
 		return -EINVAL;
 
-	if (down_interruptible(&queue->timer_mutex)) {
+	if (mutex_lock_interruptible(&queue->timer_mutex)) {
 		queuefree(queue);
 		return -ERESTARTSYS;
 	}
···
 		timer.u.alsa.id = tmr->alsa_id;
 		timer.u.alsa.resolution = tmr->preferred_resolution;
 	}
-	up(&queue->timer_mutex);
+	mutex_unlock(&queue->timer_mutex);
 	queuefree(queue);
 	
 	if (copy_to_user(arg, &timer, sizeof(timer)))
···
 		q = queueptr(timer.queue);
 		if (q == NULL)
 			return -ENXIO;
-		if (down_interruptible(&q->timer_mutex)) {
+		if (mutex_lock_interruptible(&q->timer_mutex)) {
 			queuefree(q);
 			return -ERESTARTSYS;
 		}
···
 			tmr->preferred_resolution = timer.u.alsa.resolution;
 		}
 		result = snd_seq_queue_timer_open(timer.queue);
-		up(&q->timer_mutex);
+		mutex_unlock(&q->timer_mutex);
 		queuefree(q);
 	} else {
 		return -EPERM;
···
 	if (card == NULL && client_index >= SNDRV_SEQ_GLOBAL_CLIENTS)
 		return -EINVAL;
 
-	if (down_interruptible(&register_mutex))
+	if (mutex_lock_interruptible(&register_mutex))
 		return -ERESTARTSYS;
 
 	if (card) {
···
 	/* empty write queue as default */
 	client = seq_create_client1(client_index, 0);
 	if (client == NULL) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return -EBUSY;	/* failure code */
 	}
 	usage_alloc(&client_usage, 1);
···
 	va_end(args);
 
 	client->type = KERNEL_CLIENT;
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 
 	/* make others aware this new client */
 	snd_seq_system_client_ev_client_start(client->number);
···
 {
 	struct list_head *l;
 
-	down(&client->ports_mutex);
+	mutex_lock(&client->ports_mutex);
 	list_for_each(l, &client->ports_list_head) {
 		struct snd_seq_client_port *p = list_entry(l, struct snd_seq_client_port, list);
 		snd_iprintf(buffer, "  Port %3d : \"%s\" (%c%c%c%c)\n",
···
 		snd_seq_info_dump_subscribers(buffer, &p->c_src, 1, "    Connecting To: ");
 		snd_seq_info_dump_subscribers(buffer, &p->c_dest, 0, "    Connected From: ");
 	}
-	up(&client->ports_mutex);
+	mutex_unlock(&client->ports_mutex);
 }
 
 
···
 {
 	int err;
 
-	if (down_interruptible(&register_mutex))
+	if (mutex_lock_interruptible(&register_mutex))
 		return -ERESTARTSYS;
 
 	if ((err = snd_register_device(SNDRV_DEVICE_TYPE_SEQUENCER, NULL, 0,
 				       &snd_seq_f_ops, NULL, "seq")) < 0) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return err;
 	}
 	
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 
 	return 0;
 }

sound/core/seq/seq_clientmgr.h

···
 	int num_ports;		/* number of ports */
 	struct list_head ports_list_head;
 	rwlock_t ports_lock;
-	struct semaphore ports_mutex;
+	struct mutex ports_mutex;
 	int convert32;		/* convert 32->64bit */
 
 	/* output pool */

sound/core/seq/seq_device.c

···
 #include <sound/initval.h>
 #include <linux/kmod.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
 
 MODULE_AUTHOR("Takashi Iwai <[e-mail]>");
 MODULE_DESCRIPTION("ALSA sequencer device management");
···
 	struct list_head dev_list;	/* list of devices */
 	int num_devices;	/* number of associated devices */
 	int num_init_devices;	/* number of initialized devices */
-	struct semaphore reg_mutex;
+	struct mutex reg_mutex;
 
 	struct list_head list;	/* next driver */
 };
···
 
 static LIST_HEAD(opslist);
 static int num_ops;
-static DECLARE_MUTEX(ops_mutex);
+static DEFINE_MUTEX(ops_mutex);
 #ifdef CONFIG_PROC_FS
 static struct snd_info_entry *info_entry = NULL;
 #endif
···
 {
 	struct list_head *head;
 
-	down(&ops_mutex);
+	mutex_lock(&ops_mutex);
 	list_for_each(head, &opslist) {
 		struct ops_list *ops = list_entry(head, struct ops_list, list);
 		snd_iprintf(buffer, "snd-%s%s%s%s,%d\n",
···
 				ops->driver & DRIVER_LOCKED ? ",locked" : "",
 				ops->num_devices);
 	}
-	up(&ops_mutex);	
+	mutex_unlock(&ops_mutex);
 }
 #endif
  
···
 	if (! current->fs->root)
 		return;
 
-	down(&ops_mutex);
+	mutex_lock(&ops_mutex);
 	list_for_each(head, &opslist) {
 		struct ops_list *ops = list_entry(head, struct ops_list, list);
 		if (! (ops->driver & DRIVER_LOADED) &&
 		    ! (ops->driver & DRIVER_REQUESTED)) {
 			ops->used++;
-			up(&ops_mutex);
+			mutex_unlock(&ops_mutex);
 			ops->driver |= DRIVER_REQUESTED;
 			request_module("snd-%s", ops->id);
-			down(&ops_mutex);
+			mutex_lock(&ops_mutex);
 			ops->used--;
 		}
 	}
-	up(&ops_mutex);
+	mutex_unlock(&ops_mutex);
 #endif
 }
 
···
 	dev->status = SNDRV_SEQ_DEVICE_FREE;
 
 	/* add this device to the list */
-	down(&ops->reg_mutex);
+	mutex_lock(&ops->reg_mutex);
 	list_add_tail(&dev->list, &ops->dev_list);
 	ops->num_devices++;
-	up(&ops->reg_mutex);
+	mutex_unlock(&ops->reg_mutex);
 
 	unlock_driver(ops);
 	
···
 		return -ENXIO;
 
 	/* remove the device from the list */
-	down(&ops->reg_mutex);
+	mutex_lock(&ops->reg_mutex);
 	list_del(&dev->list);
 	ops->num_devices--;
-	up(&ops->reg_mutex);
+	mutex_unlock(&ops->reg_mutex);
 
 	free_device(dev, ops);
 	if (dev->private_free)
···
 		return -EBUSY;
 	}
 
-	down(&ops->reg_mutex);
+	mutex_lock(&ops->reg_mutex);
 	/* copy driver operators */
 	ops->ops = *entry;
 	ops->driver |= DRIVER_LOADED;
···
 		struct snd_seq_device *dev = list_entry(head, struct snd_seq_device, list);
 		init_device(dev, ops);
 	}
-	up(&ops->reg_mutex);
+	mutex_unlock(&ops->reg_mutex);
 
 	unlock_driver(ops);
 	snd_seq_autoload_unlock();
···
 
 	/* set up driver entry */
 	strlcpy(ops->id, id, sizeof(ops->id));
-	init_MUTEX(&ops->reg_mutex);
+	mutex_init(&ops->reg_mutex);
 	ops->driver = DRIVER_EMPTY;
 	INIT_LIST_HEAD(&ops->dev_list);
 	/* lock this instance */
 	ops->used = 1;
 
 	/* register driver entry */
-	down(&ops_mutex);
+	mutex_lock(&ops_mutex);
 	list_add_tail(&ops->list, &opslist);
 	num_ops++;
-	up(&ops_mutex);
+	mutex_unlock(&ops_mutex);
 
 	return ops;
 }
···
 	}
 
 	/* close and release all devices associated with this driver */
-	down(&ops->reg_mutex);
+	mutex_lock(&ops->reg_mutex);
 	ops->driver |= DRIVER_LOCKED; /* do not remove this driver recursively */
 	list_for_each(head, &ops->dev_list) {
 		struct snd_seq_device *dev = list_entry(head, struct snd_seq_device, list);
···
 	if (ops->num_init_devices > 0)
 		snd_printk(KERN_ERR "free_driver: init_devices > 0!! (%d)\n",
 			   ops->num_init_devices);
-	up(&ops->reg_mutex);
+	mutex_unlock(&ops->reg_mutex);
 
 	unlock_driver(ops);
 
···
 {
 	struct list_head *head;
 
-	down(&ops_mutex);
+	mutex_lock(&ops_mutex);
 	head = opslist.next;
 	while (head != &opslist) {
 		struct ops_list *ops = list_entry(head, struct ops_list, list);
···
 		} else
 			head = head->next;
 	}
-	up(&ops_mutex);
+	mutex_unlock(&ops_mutex);
 }
 
 /*
···
 {
 	struct list_head *head;
 
-	down(&ops_mutex);
+	mutex_lock(&ops_mutex);
 	list_for_each(head, &opslist) {
 		struct ops_list *ops = list_entry(head, struct ops_list, list);
 		if (strcmp(ops->id, id) == 0) {
 			ops->used++;
-			up(&ops_mutex);
+			mutex_unlock(&ops_mutex);
 			return ops;
 		}
 	}
-	up(&ops_mutex);
+	mutex_unlock(&ops_mutex);
 	if (create_if_empty)
 		return create_driver(id);
 	return NULL;
···
 
 static void unlock_driver(struct ops_list *ops)
 {
-	down(&ops_mutex);
+	mutex_lock(&ops_mutex);
 	ops->used--;
-	up(&ops_mutex);
+	mutex_unlock(&ops_mutex);
 }
 
 

sound/core/seq/seq_instr.c

···
 	if (!(list->flags & SNDRV_SEQ_INSTR_FLG_DIRECT)) {
 		spin_lock_irqsave(&list->ops_lock, list->ops_flags);
 	} else {
-		down(&list->ops_mutex);
+		mutex_lock(&list->ops_mutex);
 	}
 }
 
···
 	if (!(list->flags & SNDRV_SEQ_INSTR_FLG_DIRECT)) {
 		spin_unlock_irqrestore(&list->ops_lock, list->ops_flags);
 	} else {
-		up(&list->ops_mutex);
+		mutex_unlock(&list->ops_mutex);
 	}
 }
 
···
 		return NULL;
 	spin_lock_init(&list->lock);
 	spin_lock_init(&list->ops_lock);
-	init_MUTEX(&list->ops_mutex);
+	mutex_init(&list->ops_mutex);
 	list->owner = -1;
 	return list;
 }

sound/core/seq/seq_midi.c

···
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/moduleparam.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/rawmidi.h>
 #include <sound/seq_kernel.h>
···
 };
 
 static struct seq_midisynth_client *synths[SNDRV_CARDS];
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
 
 /* handle rawmidi input event (MIDI v1.0 stream) */
 static void snd_midi_input_event(struct snd_rawmidi_substream *substream)
···
 	if (ports > (256 / SNDRV_RAWMIDI_DEVICES))
 		ports = 256 / SNDRV_RAWMIDI_DEVICES;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	client = synths[card->number];
 	if (client == NULL) {
 		newclient = 1;
 		client = kzalloc(sizeof(*client), GFP_KERNEL);
 		if (client == NULL) {
-			up(&register_mutex);
+			mutex_unlock(&register_mutex);
 			kfree(info);
 			return -ENOMEM;
 		}
···
 				(const char *)info->name : "External MIDI");
 		if (client->seq_client < 0) {
 			kfree(client);
-			up(&register_mutex);
+			mutex_unlock(&register_mutex);
 			kfree(info);
 			return -ENOMEM;
 		}
···
 	client->num_ports++;
 	if (newclient)
 		synths[card->number] = client;
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	kfree(info);
 	kfree(port);
 	return 0;	/* success */
···
 	}
 	kfree(info);
 	kfree(port);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return -ENOMEM;
 }
 
···
 	struct snd_card *card = dev->card;
 	int device = dev->device, p, ports;
 	
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	client = synths[card->number];
 	if (client == NULL || client->ports[device] == NULL) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return -ENODEV;
 	}
 	ports = client->ports_per_device[device];
···
 		synths[card->number] = NULL;
 		kfree(client);
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return 0;
 }
 

sound/core/seq/seq_ports.c

···
 	port_subs_info_init(&new_port->c_dest);
 
 	num = port >= 0 ? port : 0;
-	down(&client->ports_mutex);
+	mutex_lock(&client->ports_mutex);
 	write_lock_irqsave(&client->ports_lock, flags);
 	list_for_each(l, &client->ports_list_head) {
 		struct snd_seq_client_port *p = list_entry(l, struct snd_seq_client_port, list);
···
 	client->num_ports++;
 	new_port->addr.port = num;	/* store the port number in the port */
 	write_unlock_irqrestore(&client->ports_lock, flags);
-	up(&client->ports_mutex);
+	mutex_unlock(&client->ports_mutex);
 	sprintf(new_port->name, "port-%d", num);
 
 	return new_port;
···
 	struct list_head *l;
 	struct snd_seq_client_port *found = NULL;
 
-	down(&client->ports_mutex);
+	mutex_lock(&client->ports_mutex);
 	write_lock_irqsave(&client->ports_lock, flags);
 	list_for_each(l, &client->ports_list_head) {
 		struct snd_seq_client_port *p = list_entry(l, struct snd_seq_client_port, list);
···
 		}
 	}
 	write_unlock_irqrestore(&client->ports_lock, flags);
-	up(&client->ports_mutex);
+	mutex_unlock(&client->ports_mutex);
 	if (found)
 		return port_delete(client, found);
 	else
···
 	/* move the port list to deleted_list, and
 	 * clear the port list in the client data.
 	 */
-	down(&client->ports_mutex);
+	mutex_lock(&client->ports_mutex);
 	write_lock_irqsave(&client->ports_lock, flags);
 	if (! list_empty(&client->ports_list_head)) {
 		__list_add(&deleted_list,
···
 		snd_seq_system_client_ev_port_exit(port->addr.client, port->addr.port);
 		port_delete(client, port);
 	}
-	up(&client->ports_mutex);
+	mutex_unlock(&client->ports_mutex);
 	return 0;
 }
 

sound/core/seq/seq_queue.c

···
 
 	spin_lock_init(&q->owner_lock);
 	spin_lock_init(&q->check_lock);
-	init_MUTEX(&q->timer_mutex);
+	mutex_init(&q->timer_mutex);
 	snd_use_lock_init(&q->use_lock);
 	q->queue = -1;
 
···
 	queue = queueptr(queueid);
 	if (queue == NULL)
 		return -EINVAL;
-	down(&queue->timer_mutex);
+	mutex_lock(&queue->timer_mutex);
 	if (use) {
 		if (!test_and_set_bit(client, queue->clients_bitmap))
 			queue->clients++;
···
 	} else {
 		snd_seq_timer_close(queue);
 	}
-	up(&queue->timer_mutex);
+	mutex_unlock(&queue->timer_mutex);
 	queuefree(queue);
 	return 0;
 }

sound/core/seq/seq_queue.h

···
 	/* clients which uses this queue (bitmap) */
 	DECLARE_BITMAP(clients_bitmap, SNDRV_SEQ_MAX_CLIENTS);
 	unsigned int clients;	/* users of this queue */
-	struct semaphore timer_mutex;
+	struct mutex timer_mutex;
 
 	snd_use_lock_t use_lock;
 };

sound/core/sound.c

···
 #include <sound/initval.h>
 #include <linux/kmod.h>
 #include <linux/devfs_fs_kernel.h>
+#include <linux/mutex.h>
 
 #define SNDRV_OS_MINORS 256
 
···
 int snd_ecards_limit;
 
 static struct snd_minor *snd_minors[SNDRV_OS_MINORS];
-static DECLARE_MUTEX(sound_mutex);
+static DEFINE_MUTEX(sound_mutex);
 
 extern struct class *sound_class;
 
···
 
 	if (minor > ARRAY_SIZE(snd_minors))
 		return NULL;
-	down(&sound_mutex);
+	mutex_lock(&sound_mutex);
 	mreg = snd_minors[minor];
 	if (mreg && mreg->type == type)
 		private_data = mreg->private_data;
 	else
 		private_data = NULL;
-	up(&sound_mutex);
+	mutex_unlock(&sound_mutex);
 	return private_data;
 }
 
···
 	preg->f_ops = f_ops;
 	preg->private_data = private_data;
 	strcpy(preg->name, name);
-	down(&sound_mutex);
+	mutex_lock(&sound_mutex);
 #ifdef CONFIG_SND_DYNAMIC_MINORS
 	minor = snd_find_free_minor();
 #else
···
 		minor = -EBUSY;
 #endif
 	if (minor < 0) {
-		up(&sound_mutex);
+		mutex_unlock(&sound_mutex);
 		kfree(preg);
 		return minor;
 	}
···
 		device = card->dev;
 	class_device_create(sound_class, NULL, MKDEV(major, minor), device, "%s", name);
 
-	up(&sound_mutex);
+	mutex_unlock(&sound_mutex);
 	return 0;
 }
 
···
 	struct snd_minor *mptr;
 
 	cardnum = card ? card->number : -1;
-	down(&sound_mutex);
+	mutex_lock(&sound_mutex);
 	for (minor = 0; minor < ARRAY_SIZE(snd_minors); ++minor)
 		if ((mptr = snd_minors[minor]) != NULL &&
 		    mptr->type == type &&
···
 		    mptr->device == dev)
 			break;
 	if (minor == ARRAY_SIZE(snd_minors)) {
-		up(&sound_mutex);
+		mutex_unlock(&sound_mutex);
 		return -EINVAL;
 	}
 
···
 	class_device_destroy(sound_class, MKDEV(major, minor));
 
 	snd_minors[minor] = NULL;
-	up(&sound_mutex);
+	mutex_unlock(&sound_mutex);
 	kfree(mptr);
 	return 0;
 }
···
 	int minor;
 	struct snd_minor *mptr;
 
-	down(&sound_mutex);
+	mutex_lock(&sound_mutex);
 	for (minor = 0; minor < SNDRV_OS_MINORS; ++minor) {
 		if (!(mptr = snd_minors[minor]))
 			continue;
···
 			snd_iprintf(buffer, "%3i:        : %s\n", minor,
 				    snd_device_type_name(mptr->type));
 	}
-	up(&sound_mutex);
+	mutex_unlock(&sound_mutex);
 }
 
 int __init snd_minor_info_init(void)

sound/core/sound_oss.c

···
 #include <sound/minors.h>
 #include <sound/info.h>
 #include <linux/sound.h>
+#include <linux/mutex.h>
 
 #define SNDRV_OSS_MINORS 128
 
 static struct snd_minor *snd_oss_minors[SNDRV_OSS_MINORS];
-static DECLARE_MUTEX(sound_oss_mutex);
+static DEFINE_MUTEX(sound_oss_mutex);
 
 void *snd_lookup_oss_minor_data(unsigned int minor, int type)
 {
···
 
 	if (minor > ARRAY_SIZE(snd_oss_minors))
 		return NULL;
-	down(&sound_oss_mutex);
+	mutex_lock(&sound_oss_mutex);
 	mreg = snd_oss_minors[minor];
 	if (mreg && mreg->type == type)
 		private_data = mreg->private_data;
 	else
 		private_data = NULL;
-	up(&sound_oss_mutex);
+	mutex_unlock(&sound_oss_mutex);
 	return private_data;
 }
 
···
 	preg->device = dev;
 	preg->f_ops = f_ops;
 	preg->private_data = private_data;
-	down(&sound_oss_mutex);
+	mutex_lock(&sound_oss_mutex);
 	snd_oss_minors[minor] = preg;
 	minor_unit = SNDRV_MINOR_OSS_DEVICE(minor);
 	switch (minor_unit) {
···
 			goto __end;
 		snd_oss_minors[track2] = preg;
 	}
-	up(&sound_oss_mutex);
+	mutex_unlock(&sound_oss_mutex);
 	return 0;
 
       __end:
···
       	if (register1 >= 0)
       		unregister_sound_special(register1);
 	snd_oss_minors[minor] = NULL;
-	up(&sound_oss_mutex);
+	mutex_unlock(&sound_oss_mutex);
 	kfree(preg);
       	return -EBUSY;
 }
···
 		return 0;
 	if (minor < 0)
 		return minor;
-	down(&sound_oss_mutex);
+	mutex_lock(&sound_oss_mutex);
 	mptr = snd_oss_minors[minor];
 	if (mptr == NULL) {
-		up(&sound_oss_mutex);
+		mutex_unlock(&sound_oss_mutex);
 		return -ENOENT;
 	}
 	unregister_sound_special(minor);
···
 		snd_oss_minors[track2] = NULL;
 	}
 	snd_oss_minors[minor] = NULL;
-	up(&sound_oss_mutex);
+	mutex_unlock(&sound_oss_mutex);
 	kfree(mptr);
 	return 0;
 }
···
 	int minor;
 	struct snd_minor *mptr;
 
-	down(&sound_oss_mutex);
+	mutex_lock(&sound_oss_mutex);
 	for (minor = 0; minor < SNDRV_OSS_MINORS; ++minor) {
 		if (!(mptr = snd_oss_minors[minor]))
 			continue;
···
 			snd_iprintf(buffer, "%3i:       : %s\n", minor,
 				    snd_oss_device_type_name(mptr->type));
 	}
-	up(&sound_oss_mutex);
+	mutex_unlock(&sound_oss_mutex);
 }
 
 

sound/core/timer.c

···
 #include <linux/smp_lock.h>
 #include <linux/slab.h>
 #include <linux/time.h>
+#include <linux/mutex.h>
 #include <linux/moduleparam.h>
 #include <linux/string.h>
 #include <sound/core.h>
···
 	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 */
···
 /* 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);
···
 			snd_printd("invalid slave class %i\n", tid->dev_sclass);
 			return -EINVAL;
 		}
-		down(&register_mutex);
+		mutex_lock(&register_mutex);
 		timeri = snd_timer_instance_new(owner, NULL);
 		if (!timeri) {
-			up(&register_mutex);
+			mutex_unlock(&register_mutex);
 			return -ENOMEM;
 		}
 		timeri->slave_class = tid->dev_sclass;
···
 		timeri->flags |= SNDRV_TIMER_IFLG_SLAVE;
 		list_add_tail(&timeri->open_list, &snd_timer_slave_list);
 		snd_timer_check_slave(timeri);
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		*ti = timeri;
 		return 0;
 	}
 
 	/* open a master instance */
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	timer = snd_timer_find(tid);
 #ifdef CONFIG_KMOD
 	if (timer == NULL) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		snd_timer_request(tid);
-		down(&register_mutex);
+		mutex_lock(&register_mutex);
 		timer = snd_timer_find(tid);
 	}
 #endif
 	if (!timer) {
-		up(&register_mutex);
+		mutex_unlock(&register_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(&register_mutex);
+			mutex_unlock(&register_mutex);
 			return -EBUSY;
 		}
 	}
 	timeri = snd_timer_instance_new(owner, timer);
 	if (!timeri) {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return -ENOMEM;
 	}
 	timeri->slave_class = tid->dev_sclass;
···
 		timer->hw.open(timer);
 	list_add_tail(&timeri->open_list, &timer->open_list_head);
 	snd_timer_check_master(timeri);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	*ti = timeri;
 	return 0;
 }
···
 			spin_lock_irq(&slave_active_lock);
 		}
 		spin_unlock_irq(&slave_active_lock);
-		down(&register_mutex);
+		mutex_lock(&register_mutex);
 		list_del(&timeri->open_list);
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 	} else {
 		timer = timeri->timer;
 		/* wait, until the active callback is finished */
···
 			spin_lock_irq(&timer->lock);
 		}
 		spin_unlock_irq(&timer->lock);
-		down(&register_mutex);
+		mutex_lock(&register_mutex);
 		list_del(&timeri->open_list);
 		if (timer && list_empty(&timer->open_list_head) &&
 		    timer->hw.close)
···
 			slave->timer = NULL;
 			spin_unlock_irq(&slave_active_lock);
 		}
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 	}
 	if (timeri->private_free)
 		timeri->private_free(timeri);
···
 	    !timer->hw.resolution && timer->hw.c_resolution == NULL)
 	    	return -EINVAL;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	list_for_each(p, &snd_timer_list) {
 		timer1 = list_entry(p, struct snd_timer, device_list);
 		if (timer1->tmr_class > timer->tmr_class)
···
 		if (timer1->tmr_subdevice < timer->tmr_subdevice)
 			continue;
 		/* conflicts.. */
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		return -EBUSY;
 	}
 	list_add_tail(&timer->device_list, p);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return 0;
 }
 
···
 	struct snd_timer_instance *ti;
 
 	snd_assert(timer != NULL, return -ENXIO);
-	down(&register_mutex);
+	mutex_lock(&register_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) {
···
 		}
 	}
 	list_del(&timer->device_list);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return snd_timer_free(timer);
 }
 
···
 	struct snd_timer_instance *ti;
 	struct list_head *p, *q;
 
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	list_for_each(p, &snd_timer_list) {
 		timer = list_entry(p, struct snd_timer, device_list);
 		switch (timer->tmr_class) {
···
 		}
 		spin_unlock_irqrestore(&timer->lock, flags);
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 }
 
 static struct snd_info_entry *snd_timer_proc_entry = NULL;
···
 		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),
···
 
 	if (copy_from_user(&id, _tid, sizeof(id)))
 		return -EFAULT;
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	if (id.dev_class < 0) {		/* first item */
 		if (list_empty(&snd_timer_list))
 			snd_timer_user_zero_id(&id);
···
 			snd_timer_user_zero_id(&id);
 		}
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	if (copy_to_user(_tid, &id, sizeof(*_tid)))
 		return -EFAULT;
 	return 0;
···
 	tid = ginfo->tid;
 	memset(ginfo, 0, sizeof(*ginfo));
 	ginfo->tid = tid;
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	t = snd_timer_find(&tid);
 	if (t != NULL) {
 		ginfo->card = t->card ? t->card->number : -1;
···
 	} else {
 		err = -ENODEV;
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	if (err >= 0 && copy_to_user(_ginfo, ginfo, sizeof(*ginfo)))
 		err = -EFAULT;
 	kfree(ginfo);
···
 
 	if (copy_from_user(&gparams, _gparams, sizeof(gparams)))
 		return -EFAULT;
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	t = snd_timer_find(&gparams.tid);
 	if (!t) {
 		err = -ENODEV;
···
 	}
 	err = t->hw.set_period(t, gparams.period_num, gparams.period_den);
 _error:
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return err;
 }
 
···
 	tid = gstatus.tid;
 	memset(&gstatus, 0, sizeof(gstatus));
 	gstatus.tid = tid;
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	t = snd_timer_find(&tid);
 	if (t != NULL) {
 		if (t->hw.c_resolution)
···
 	} else {
 		err = -ENODEV;
 	}
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	if (err >= 0 && copy_to_user(_gstatus, &gstatus, sizeof(gstatus)))
 		err = -EFAULT;
 	return err;
···
 	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;
···
 	}
 
       __err:
-      	up(&tu->tread_sem);
+      	mutex_unlock(&tu->tread_sem);
 	return err;
 }
 
···
 	{
 		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: