ide: use mutex instead of ide_cfg_sem semaphore in IDE driver

The IDE driver uses a semaphore as mutex.
Use the mutex API instead of the (binary) semaphore.

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index f5ce22c38f82..648aabd121cd 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1025,7 +1025,7 @@ static int init_irq (ide_hwif_t *hwif)
         BUG_ON(irqs_disabled());        
         BUG_ON(hwif == NULL);
 
-        down(&ide_cfg_sem);
+        mutex_lock(&ide_cfg_mtx);
         hwif->hwgroup = NULL;
 #if MAX_HWIFS > 1
         /*
@@ -1154,7 +1154,7 @@ static int init_irq (ide_hwif_t *hwif)
                 printk(" (%sed with %s)",
                         hwif->sharing_irq ? "shar" : "serializ", match->name);
         printk("\n");
-        up(&ide_cfg_sem);
+        mutex_unlock(&ide_cfg_mtx);
         return 0;
 out_unlink:
         spin_lock_irq(&ide_lock);
@@ -1177,7 +1177,7 @@ out_unlink:
         }
         spin_unlock_irq(&ide_lock);
 out_up:
-        up(&ide_cfg_sem);
+        mutex_unlock(&ide_cfg_mtx);
         return 1;
 }