commit 12aa757905d09b1dc2c1c3d0de3fa8f4c9726f2b
author Ingo Molnar <mingo@elte.hu> Mon Jan 16 16:36:05 2006 +0100
committer Jaroslav Kysela <perex@suse.cz> Wed Mar 22 10:25:43 2006 +0100
tree c776b2b66618915502cb8c552fe6fc720a18306d
parent 62932df8fb20ba2fb53a95fa52445eba22e821fe

[ALSA] semaphore -> mutex (Archs, misc buses)

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 <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/usb/usbaudio.c

diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index c9476c2..53009bb 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -47,6 +47,7 @@
 #include <linux/usb.h>
 #include <linux/vmalloc.h>
 #include <linux/moduleparam.h>
+#include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/info.h>
 #include <sound/pcm.h>
@@ -202,7 +203,7 @@
  * the all interfaces on the same card as one sound device.
  */
 
-static DECLARE_MUTEX(register_mutex);
+static DEFINE_MUTEX(register_mutex);
 static struct snd_usb_audio *usb_chip[SNDRV_CARDS];
 
 
@@ -3285,7 +3286,7 @@
 
 	/* check whether it's already registered */
 	chip = NULL;
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	for (i = 0; i < SNDRV_CARDS; i++) {
 		if (usb_chip[i] && usb_chip[i]->dev == dev) {
 			if (usb_chip[i]->shutdown) {
@@ -3338,13 +3339,13 @@
 
 	usb_chip[chip->index] = chip;
 	chip->num_interfaces++;
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
 	return chip;
 
  __error:
 	if (chip && !chip->num_interfaces)
 		snd_card_free(chip->card);
-	up(&register_mutex);
+	mutex_unlock(&register_mutex);
  __err_val:
 	return NULL;
 }
@@ -3364,7 +3365,7 @@
 
 	chip = ptr;
 	card = chip->card;
-	down(&register_mutex);
+	mutex_lock(&register_mutex);
 	chip->shutdown = 1;
 	chip->num_interfaces--;
 	if (chip->num_interfaces <= 0) {
@@ -3382,10 +3383,10 @@
 			snd_usb_mixer_disconnect(p);
 		}
 		usb_chip[chip->index] = NULL;
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 		snd_card_free(card);
 	} else {
-		up(&register_mutex);
+		mutex_unlock(&register_mutex);
 	}
 }