[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>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c
index ae78473d11f9..24e7c102fa75 100644
--- a/drivers/w1/w1_int.c
+++ b/drivers/w1/w1_int.c
@@ -36,7 +36,7 @@ extern struct device w1_master_device;
 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 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl,
         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 @@ int w1_add_master_device(struct w1_bus_master *master)
 
         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;