[PATCH] w1: Use mutexes instead of semaphores.
Use mutexes instead of semaphores.
Patch tested on x86_64 and i386 with test bus master driver.
Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index ae78473..24e7c10 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -36,7 +36,7 @@
extern int w1_max_slave_count;
extern int w1_max_slave_ttl;
extern struct list_head w1_masters;
-extern struct semaphore w1_mlock;
+extern struct mutex w1_mlock;
extern int w1_process(void *);
@@ -74,7 +74,7 @@
atomic_set(&dev->refcnt, 2);
INIT_LIST_HEAD(&dev->slist);
- init_MUTEX(&dev->mutex);
+ mutex_init(&dev->mutex);
memcpy(&dev->dev, device, sizeof(struct device));
snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id),
@@ -135,9 +135,9 @@
dev->initialized = 1;
- down(&w1_mlock);
+ mutex_lock(&w1_mlock);
list_add(&dev->w1_master_entry, &w1_masters);
- up(&w1_mlock);
+ mutex_unlock(&w1_mlock);
memset(&msg, 0, sizeof(msg));
msg.id.mst.id = dev->id;
