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-rw-r--r--drivers/video/pxafb.c7
-rw-r--r--drivers/video/pxafb.h2
2 files changed, 5 insertions, 4 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 5e8a140399fc..2b707a8ce5de 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -41,6 +41,7 @@
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/completion.h>
+#include <linux/mutex.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
@@ -1117,7 +1118,7 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state)
{
u_int old_state;
- down(&fbi->ctrlr_sem);
+ mutex_lock(&fbi->ctrlr_lock);
old_state = fbi->state;
@@ -1205,7 +1206,7 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state)
}
break;
}
- up(&fbi->ctrlr_sem);
+ mutex_unlock(&fbi->ctrlr_lock);
}
/*
@@ -1458,7 +1459,7 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
init_waitqueue_head(&fbi->ctrlr_wait);
INIT_WORK(&fbi->task, pxafb_task);
- init_MUTEX(&fbi->ctrlr_sem);
+ mutex_init(&fbi->ctrlr_lock);
init_completion(&fbi->disable_done);
#ifdef CONFIG_FB_PXA_SMARTPANEL
init_completion(&fbi->command_done);
diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h
index 8238dc826429..31541b86f13d 100644
--- a/drivers/video/pxafb.h
+++ b/drivers/video/pxafb.h
@@ -106,7 +106,7 @@ struct pxafb_info {
volatile u_char state;
volatile u_char task_state;
- struct semaphore ctrlr_sem;
+ struct mutex ctrlr_lock;
wait_queue_head_t ctrlr_wait;
struct work_struct task;