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[ARM] Convert some arm semaphores to mutexes

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The arm clock semaphores are strict mutexes, convert them to the new
mutex implementation

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Arjan van de Ven
2006-01-12 18:42:23 +00:00
committed by Russell King
parent f4619025a5
commit 00431707be
9 changed files with 67 additions and 58 deletions
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7
arch/arm/kernel/ecard.c
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@@ -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 ===================== */