summaryrefslogtreecommitdiffstats
path: root/arch/arm/kernel/ecard.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/kernel/ecard.c')
-rw-r--r--arch/arm/kernel/ecard.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index dceb826bd21..96fd91926c9 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -40,6 +40,7 @@
#include <linux/proc_fs.h>
#include <linux/device.h>
#include <linux/init.h>
+#include <linux/mutex.h>
#include <asm/dma.h>
#include <asm/ecard.h>
@@ -206,7 +207,7 @@ static void ecard_task_readbytes(struct ecard_request *req)
static DECLARE_WAIT_QUEUE_HEAD(ecard_wait);
static struct ecard_request *ecard_req;
-static DECLARE_MUTEX(ecard_sem);
+static DEFINE_MUTEX(ecard_mutex);
/*
* Set up the expansion card daemon's page tables.
@@ -299,7 +300,7 @@ static void ecard_call(struct ecard_request *req)
req->complete = &completion;
- down(&ecard_sem);
+ mutex_lock(&ecard_mutex);
ecard_req = req;
wake_up(&ecard_wait);
@@ -307,7 +308,7 @@ static void ecard_call(struct ecard_request *req)
* Now wait for kecardd to run.
*/
wait_for_completion(&completion);
- up(&ecard_sem);
+ mutex_unlock(&ecard_mutex);
}
/* ======================= Mid-level card control ===================== */