From ae5e29798afa2b11a01fcb4fab8b58fee47fe155 Mon Sep 17 00:00:00 2001
From: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Date: Thu, 7 Feb 2008 00:15:25 -0800
Subject: [PATCH] MBCS: convert dmareadlock to mutex
MBCS: Convert the semaphore dmareadlock to the mutex API
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/char/mbcs.c | 6 +++---
drivers/char/mbcs.h | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index 7321c14868af..f4716ad7348a 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -347,7 +347,7 @@ do_mbcs_sram_dmaread(struct mbcs_soft *soft, uint64_t hostAddr,
{
int rv = 0;
- if (down_interruptible(&soft->dmareadlock))
+ if (mutex_lock_interruptible(&soft->dmareadlock))
return -ERESTARTSYS;
atomic_set(&soft->dmawrite_done, 0);
@@ -372,7 +372,7 @@ do_mbcs_sram_dmaread(struct mbcs_soft *soft, uint64_t hostAddr,
*off += len;
dmaread_exit:
- up(&soft->dmareadlock);
+ mutex_unlock(&soft->dmareadlock);
return rv;
}
@@ -764,7 +764,7 @@ static int mbcs_probe(struct cx_dev *dev, const struct cx_device_id *id)
init_waitqueue_head(&soft->algo_queue);
mutex_init(&soft->dmawritelock);
- init_MUTEX(&soft->dmareadlock);
+ mutex_init(&soft->dmareadlock);
mutex_init(&soft->algolock);
mbcs_getdma_init(&soft->getdma);
diff --git a/drivers/char/mbcs.h b/drivers/char/mbcs.h
index b05435145d72..ba671589f4cb 100644
--- a/drivers/char/mbcs.h
+++ b/drivers/char/mbcs.h
@@ -538,7 +538,7 @@ struct mbcs_soft {
atomic_t dmaread_done;
atomic_t algo_done;
struct mutex dmawritelock;
- struct semaphore dmareadlock;
+ struct mutex dmareadlock;
struct mutex algolock;
};
--
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