diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h
index 1a2759f..57af1fe 100644
--- a/include/sound/ad1848.h
+++ b/include/sound/ad1848.h
@@ -154,7 +154,7 @@
 #endif
 
 	spinlock_t reg_lock;
-	struct semaphore open_mutex;
+	struct mutex open_mutex;
 };
 
 /* exported functions */
diff --git a/include/sound/cs4231.h b/include/sound/cs4231.h
index ac6a5d8..60b5b92 100644
--- a/include/sound/cs4231.h
+++ b/include/sound/cs4231.h
@@ -248,8 +248,8 @@
 	unsigned int c_dma_size;
 
 	spinlock_t reg_lock;
-	struct semaphore mce_mutex;
-	struct semaphore open_mutex;
+	struct mutex mce_mutex;
+	struct mutex open_mutex;
 
 	int (*rate_constraint) (struct snd_pcm_runtime *runtime);
 	void (*set_playback_format) (struct snd_cs4231 *chip, struct snd_pcm_hw_params *hw_params, unsigned char pdfr);
diff --git a/include/sound/gus.h b/include/sound/gus.h
index 63da50f..68a664a 100644
--- a/include/sound/gus.h
+++ b/include/sound/gus.h
@@ -209,7 +209,7 @@
 	struct snd_gf1_bank_info banks_16[4];
 	struct snd_gf1_mem_block *first;
 	struct snd_gf1_mem_block *last;
-	struct semaphore memory_mutex;
+	struct mutex memory_mutex;
 };
 
 struct snd_gf1_dma_block {
@@ -467,8 +467,8 @@
 	spinlock_t dma_lock;
 	spinlock_t pcm_volume_level_lock;
 	spinlock_t uart_cmd_lock;
-	struct semaphore dma_mutex;
-	struct semaphore register_mutex;
+	struct mutex dma_mutex;
+	struct mutex register_mutex;
 };
 
 /* I/O functions for GF1/InterWave chip - gus_io.c */
diff --git a/include/sound/sb16_csp.h b/include/sound/sb16_csp.h
index 3b44d4b..caf6fe2 100644
--- a/include/sound/sb16_csp.h
+++ b/include/sound/sb16_csp.h
@@ -158,7 +158,7 @@
 	struct snd_kcontrol *qsound_switch;
 	struct snd_kcontrol *qsound_space;
 
-	struct semaphore access_mutex;	/* locking */
+	struct mutex access_mutex;	/* locking */
 };
 
 int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep);
diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c
index b78530d..d4b0e58 100644
--- a/sound/isa/ad1848/ad1848_lib.c
+++ b/sound/isa/ad1848/ad1848_lib.c
@@ -387,9 +387,9 @@
 {
 	unsigned long flags;
 
-	down(&chip->open_mutex);
+	mutex_lock(&chip->open_mutex);
 	if (chip->mode & AD1848_MODE_OPEN) {
-		up(&chip->open_mutex);
+		mutex_unlock(&chip->open_mutex);
 		return -EAGAIN;
 	}
 	snd_ad1848_mce_down(chip);
@@ -432,7 +432,7 @@
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 
 	chip->mode = mode;
-	up(&chip->open_mutex);
+	mutex_unlock(&chip->open_mutex);
 
 	return 0;
 }
@@ -441,9 +441,9 @@
 {
 	unsigned long flags;
 
-	down(&chip->open_mutex);
+	mutex_lock(&chip->open_mutex);
 	if (!chip->mode) {
-		up(&chip->open_mutex);
+		mutex_unlock(&chip->open_mutex);
 		return;
 	}
 	/* disable IRQ */
@@ -471,7 +471,7 @@
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 
 	chip->mode = 0;
-	up(&chip->open_mutex);
+	mutex_unlock(&chip->open_mutex);
 }
 
 /*
@@ -889,7 +889,7 @@
 	if (chip == NULL)
 		return -ENOMEM;
 	spin_lock_init(&chip->reg_lock);
-	init_MUTEX(&chip->open_mutex);
+	mutex_init(&chip->open_mutex);
 	chip->card = card;
 	chip->port = port;
 	chip->irq = -1;
diff --git a/sound/isa/cs423x/cs4231_lib.c b/sound/isa/cs423x/cs4231_lib.c
index eab7eb5..823db82 100644
--- a/sound/isa/cs423x/cs4231_lib.c
+++ b/sound/isa/cs423x/cs4231_lib.c
@@ -531,7 +531,7 @@
 	unsigned long flags;
 	int full_calib = 1;
 
-	down(&chip->mce_mutex);
+	mutex_lock(&chip->mce_mutex);
 	snd_cs4231_calibrate_mute(chip, 1);
 	if (chip->hardware == CS4231_HW_CS4231A ||
 	    (chip->hardware & CS4231_HW_CS4232_MASK)) {
@@ -560,7 +560,7 @@
 		snd_cs4231_mce_down(chip);
 	}
 	snd_cs4231_calibrate_mute(chip, 0);
-	up(&chip->mce_mutex);
+	mutex_unlock(&chip->mce_mutex);
 }
 
 static void snd_cs4231_capture_format(struct snd_cs4231 *chip,
@@ -570,7 +570,7 @@
 	unsigned long flags;
 	int full_calib = 1;
 
-	down(&chip->mce_mutex);
+	mutex_lock(&chip->mce_mutex);
 	snd_cs4231_calibrate_mute(chip, 1);
 	if (chip->hardware == CS4231_HW_CS4231A ||
 	    (chip->hardware & CS4231_HW_CS4232_MASK)) {
@@ -603,7 +603,7 @@
 		snd_cs4231_mce_down(chip);
 	}
 	snd_cs4231_calibrate_mute(chip, 0);
-	up(&chip->mce_mutex);
+	mutex_unlock(&chip->mce_mutex);
 }
 
 /*
@@ -709,15 +709,15 @@
 {
 	unsigned long flags;
 
-	down(&chip->open_mutex);
+	mutex_lock(&chip->open_mutex);
 	if ((chip->mode & mode) ||
 	    ((chip->mode & CS4231_MODE_OPEN) && chip->single_dma)) {
-		up(&chip->open_mutex);
+		mutex_unlock(&chip->open_mutex);
 		return -EAGAIN;
 	}
 	if (chip->mode & CS4231_MODE_OPEN) {
 		chip->mode |= mode;
-		up(&chip->open_mutex);
+		mutex_unlock(&chip->open_mutex);
 		return 0;
 	}
 	/* ok. now enable and ack CODEC IRQ */
@@ -737,7 +737,7 @@
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 
 	chip->mode = mode;
-	up(&chip->open_mutex);
+	mutex_unlock(&chip->open_mutex);
 	return 0;
 }
 
@@ -745,10 +745,10 @@
 {
 	unsigned long flags;
 
-	down(&chip->open_mutex);
+	mutex_lock(&chip->open_mutex);
 	chip->mode &= ~mode;
 	if (chip->mode & CS4231_MODE_OPEN) {
-		up(&chip->open_mutex);
+		mutex_unlock(&chip->open_mutex);
 		return;
 	}
 	snd_cs4231_calibrate_mute(chip, 1);
@@ -785,7 +785,7 @@
 	snd_cs4231_calibrate_mute(chip, 0);
 
 	chip->mode = 0;
-	up(&chip->open_mutex);
+	mutex_unlock(&chip->open_mutex);
 }
 
 /*
@@ -1408,8 +1408,8 @@
 	chip->hwshare = hwshare;
 
 	spin_lock_init(&chip->reg_lock);
-	init_MUTEX(&chip->mce_mutex);
-	init_MUTEX(&chip->open_mutex);
+	mutex_init(&chip->mce_mutex);
+	mutex_init(&chip->open_mutex);
 	chip->card = card;
 	chip->rate_constraint = snd_cs4231_xrate;
 	chip->set_playback_format = snd_cs4231_playback_format;
@@ -1538,8 +1538,8 @@
 		return err;
 
 	spin_lock_init(&chip->reg_lock);
-	init_MUTEX(&chip->mce_mutex);
-	init_MUTEX(&chip->open_mutex);
+	mutex_init(&chip->mce_mutex);
+	mutex_init(&chip->open_mutex);
 
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_cs4231_playback_ops);
 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cs4231_capture_ops);
diff --git a/sound/isa/cs423x/cs4236_lib.c b/sound/isa/cs423x/cs4236_lib.c
index e36981d..1125ddb 100644
--- a/sound/isa/cs423x/cs4236_lib.c
+++ b/sound/isa/cs423x/cs4236_lib.c
@@ -841,7 +841,7 @@
 	
 	enable = ucontrol->value.integer.value[0] & 1;
 
-	down(&chip->mce_mutex);
+	mutex_lock(&chip->mce_mutex);
 	snd_cs4231_mce_up(chip);
 	spin_lock_irqsave(&chip->reg_lock, flags);
 	val = (chip->image[CS4231_ALT_FEATURE_1] & ~0x0e) | (0<<2) | (enable << 1);
@@ -854,7 +854,7 @@
 	snd_cs4236_ctrl_out(chip, 4, val);
 	spin_unlock_irqrestore(&chip->reg_lock, flags);
 	snd_cs4231_mce_down(chip);
-	up(&chip->mce_mutex);
+	mutex_unlock(&chip->mce_mutex);
 
 #if 0
 	printk("set valid: ALT = 0x%x, C3 = 0x%x, C4 = 0x%x, C5 = 0x%x, C6 = 0x%x, C8 = 0x%x\n",
diff --git a/sound/isa/gus/gus_dma.c b/sound/isa/gus/gus_dma.c
index 930f4bc..44ee5d3 100644
--- a/sound/isa/gus/gus_dma.c
+++ b/sound/isa/gus/gus_dma.c
@@ -149,10 +149,10 @@
 
 int snd_gf1_dma_init(struct snd_gus_card * gus)
 {
-	down(&gus->dma_mutex);
+	mutex_lock(&gus->dma_mutex);
 	gus->gf1.dma_shared++;
 	if (gus->gf1.dma_shared > 1) {
-		up(&gus->dma_mutex);
+		mutex_unlock(&gus->dma_mutex);
 		return 0;
 	}
 	gus->gf1.interrupt_handler_dma_write = snd_gf1_dma_interrupt;
@@ -160,7 +160,7 @@
 	gus->gf1.dma_data_pcm_last =
 	gus->gf1.dma_data_synth = 
 	gus->gf1.dma_data_synth_last = NULL;
-	up(&gus->dma_mutex);
+	mutex_unlock(&gus->dma_mutex);
 	return 0;
 }
 
@@ -168,7 +168,7 @@
 {
 	struct snd_gf1_dma_block *block;
 
-	down(&gus->dma_mutex);
+	mutex_lock(&gus->dma_mutex);
 	gus->gf1.dma_shared--;
 	if (!gus->gf1.dma_shared) {
 		snd_dma_disable(gus->gf1.dma1);
@@ -185,7 +185,7 @@
 		gus->gf1.dma_data_pcm_last =
 		gus->gf1.dma_data_synth_last = NULL;
 	}
-	up(&gus->dma_mutex);
+	mutex_unlock(&gus->dma_mutex);
 	return 0;
 }
 
diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c
index 6d15b3d..53eeaf3 100644
--- a/sound/isa/gus/gus_main.c
+++ b/sound/isa/gus/gus_main.c
@@ -225,7 +225,7 @@
 	spin_lock_init(&gus->dma_lock);
 	spin_lock_init(&gus->pcm_volume_level_lock);
 	spin_lock_init(&gus->uart_cmd_lock);
-	init_MUTEX(&gus->dma_mutex);
+	mutex_init(&gus->dma_mutex);
 	if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) {
 		snd_gus_free(gus);
 		return err;
diff --git a/sound/isa/gus/gus_mem.c b/sound/isa/gus/gus_mem.c
index e8bdb86..3c0d27a 100644
--- a/sound/isa/gus/gus_mem.c
+++ b/sound/isa/gus/gus_mem.c
@@ -34,9 +34,9 @@
 void snd_gf1_mem_lock(struct snd_gf1_mem * alloc, int xup)
 {
 	if (!xup) {
-		down(&alloc->memory_mutex);
+		mutex_lock(&alloc->memory_mutex);
 	} else {
-		up(&alloc->memory_mutex);
+		mutex_unlock(&alloc->memory_mutex);
 	}
 }
 
@@ -59,7 +59,7 @@
 				alloc->first = nblock;
 			else
 				nblock->prev->next = nblock;
-			up(&alloc->memory_mutex);
+			mutex_unlock(&alloc->memory_mutex);
 			return NULL;
 		}
 		pblock = pblock->next;
@@ -80,7 +80,7 @@
 {
 	if (block->share) {	/* ok.. shared block */
 		block->share--;
-		up(&alloc->memory_mutex);
+		mutex_unlock(&alloc->memory_mutex);
 		return 0;
 	}
 	if (alloc->first == block) {
@@ -244,7 +244,7 @@
 #endif
 
 	alloc = &gus->gf1.mem_alloc;
-	init_MUTEX(&alloc->memory_mutex);
+	mutex_init(&alloc->memory_mutex);
 	alloc->first = alloc->last = NULL;
 	if (!gus->gf1.memory)
 		return 0;
@@ -299,7 +299,7 @@
 
 	gus = entry->private_data;
 	alloc = &gus->gf1.mem_alloc;
-	down(&alloc->memory_mutex);
+	mutex_lock(&alloc->memory_mutex);
 	snd_iprintf(buffer, "8-bit banks       : \n    ");
 	for (i = 0; i < 4; i++)
 		snd_iprintf(buffer, "0x%06x (%04ik)%s", alloc->banks_8[i].address, alloc->banks_8[i].size >> 10, i + 1 < 4 ? "," : "");
@@ -343,7 +343,7 @@
 	}
 	snd_iprintf(buffer, "  Total: memory = %i, used = %i, free = %i\n",
 		    total, used, total - used);
-	up(&alloc->memory_mutex);
+	mutex_unlock(&alloc->memory_mutex);
 #if 0
 	ultra_iprintf(buffer, "  Verify: free = %i, max 8-bit block = %i, max 16-bit block = %i\n",
 		      ultra_memory_free_size(card, &card->gf1.mem_alloc),
diff --git a/sound/isa/gus/gus_synth.c b/sound/isa/gus/gus_synth.c
index 85a1b05..2767cc1 100644
--- a/sound/isa/gus/gus_synth.c
+++ b/sound/isa/gus/gus_synth.c
@@ -55,9 +55,9 @@
 
 	if (info->voices > 32)
 		return -EINVAL;
-	down(&gus->register_mutex);
+	mutex_lock(&gus->register_mutex);
 	if (!snd_gus_use_inc(gus)) {
-		up(&gus->register_mutex);
+		mutex_unlock(&gus->register_mutex);
 		return -EFAULT;
 	}
 	for (idx = 0; idx < info->voices; idx++) {
@@ -65,12 +65,12 @@
 		if (voice == NULL) {
 			snd_gus_synth_free_voices(gus, info->sender.client, info->sender.port);
 			snd_gus_use_dec(gus);
-			up(&gus->register_mutex);
+			mutex_unlock(&gus->register_mutex);
 			return -EBUSY;
 		}
 		voice->index = idx;
 	}
-	up(&gus->register_mutex);
+	mutex_unlock(&gus->register_mutex);
 	return 0;
 }
 
@@ -79,10 +79,10 @@
 	struct snd_gus_port * port = private_data;
 	struct snd_gus_card * gus = port->gus;
 
-	down(&gus->register_mutex);
+	mutex_lock(&gus->register_mutex);
 	snd_gus_synth_free_voices(gus, info->sender.client, info->sender.port);
 	snd_gus_use_dec(gus);
-	up(&gus->register_mutex);
+	mutex_unlock(&gus->register_mutex);
 	return 0;
 }
 
@@ -223,7 +223,7 @@
 	if (gus == NULL)
 		return -EINVAL;
 
-	init_MUTEX(&gus->register_mutex);
+	mutex_init(&gus->register_mutex);
 	gus->gf1.seq_client = -1;
 	
 	/* allocate new client */
diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c
index 9c2b5ef..9703c68 100644
--- a/sound/isa/sb/sb16_csp.c
+++ b/sound/isa/sb/sb16_csp.c
@@ -138,7 +138,7 @@
 	p->ops.csp_stop = snd_sb_csp_stop;
 	p->ops.csp_qsound_transfer = snd_sb_csp_qsound_transfer;
 
-	init_MUTEX(&p->access_mutex);
+	mutex_init(&p->access_mutex);
 	sprintf(hw->name, "CSP v%d.%d", (version >> 4), (version & 0x0f));
 	hw->iface = SNDRV_HWDEP_IFACE_SB16CSP;
 	hw->private_data = p;
@@ -265,13 +265,13 @@
  */
 static int snd_sb_csp_use(struct snd_sb_csp * p)
 {
-	down(&p->access_mutex);
+	mutex_lock(&p->access_mutex);
 	if (p->used) {
-		up(&p->access_mutex);
+		mutex_unlock(&p->access_mutex);
 		return -EAGAIN;
 	}
 	p->used++;
-	up(&p->access_mutex);
+	mutex_unlock(&p->access_mutex);
 
 	return 0;
 
@@ -282,9 +282,9 @@
  */
 static int snd_sb_csp_unuse(struct snd_sb_csp * p)
 {
-	down(&p->access_mutex);
+	mutex_lock(&p->access_mutex);
 	p->used--;
-	up(&p->access_mutex);
+	mutex_unlock(&p->access_mutex);
 
 	return 0;
 }