diff options
Diffstat (limited to 'arch/arm/kernel/ecard.c')
| -rw-r--r-- | arch/arm/kernel/ecard.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c index dceb826bd216..96fd91926c9b 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 ===================== */ |