From ae5e29798afa2b11a01fcb4fab8b58fee47fe155 Mon Sep 17 00:00:00 2001 From: Matthias Kaehlcke Date: Thu, 7 Feb 2008 00:15:25 -0800 Subject: MBCS: convert dmareadlock to mutex MBCS: Convert the semaphore dmareadlock to the mutex API Signed-off-by: Matthias Kaehlcke Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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; }; -- cgit v1.2.3