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| author | Matthias Kaehlcke <matthias.kaehlcke@gmail.com> | 2008-02-07 09:15:25 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 17:42:25 +0100 |
| commit | ae5e29798afa2b11a01fcb4fab8b58fee47fe155 (patch) | |
| tree | 788f3eb9a8cc173219720eb58c1fb54f170c6b1f /drivers/char | |
| parent | MBCS: convert dmawritelock to mutex (diff) | |
| download | linux-ae5e29798afa2b11a01fcb4fab8b58fee47fe155.tar.xz linux-ae5e29798afa2b11a01fcb4fab8b58fee47fe155.zip | |
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>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/mbcs.c | 6 | ||||
| -rw-r--r-- | 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; }; |