+ mbcs-convert-dmawritelock-to-mutex.patch added to -mm tree

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The patch titled
     MBCS: convert dmawritelock to mutex
has been added to the -mm tree.  Its filename is
     mbcs-convert-dmawritelock-to-mutex.patch

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

------------------------------------------------------
Subject: MBCS: convert dmawritelock to mutex
From: Matthias Kaehlcke <matthias.kaehlcke@xxxxxxxxx>

MBCS: Convert the semaphore dmawritelock to the mutex API

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 drivers/char/mbcs.c |    6 +++---
 drivers/char/mbcs.h |    2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff -puN drivers/char/mbcs.c~mbcs-convert-dmawritelock-to-mutex drivers/char/mbcs.c
--- a/drivers/char/mbcs.c~mbcs-convert-dmawritelock-to-mutex
+++ a/drivers/char/mbcs.c
@@ -310,7 +310,7 @@ do_mbcs_sram_dmawrite(struct mbcs_soft *
 {
 	int rv = 0;
 
-	if (down_interruptible(&soft->dmawritelock))
+	if (mutex_lock_interruptible(&soft->dmawritelock))
 		return -ERESTARTSYS;
 
 	atomic_set(&soft->dmawrite_done, 0);
@@ -336,7 +336,7 @@ do_mbcs_sram_dmawrite(struct mbcs_soft *
 	*off += len;
 
 dmawrite_exit:
-	up(&soft->dmawritelock);
+	mutex_unlock(&soft->dmawritelock);
 
 	return rv;
 }
@@ -763,7 +763,7 @@ static int mbcs_probe(struct cx_dev *dev
 	init_waitqueue_head(&soft->dmaread_queue);
 	init_waitqueue_head(&soft->algo_queue);
 
-	init_MUTEX(&soft->dmawritelock);
+	mutex_init(&soft->dmawritelock);
 	init_MUTEX(&soft->dmareadlock);
 	mutex_init(&soft->algolock);
 
diff -puN drivers/char/mbcs.h~mbcs-convert-dmawritelock-to-mutex drivers/char/mbcs.h
--- a/drivers/char/mbcs.h~mbcs-convert-dmawritelock-to-mutex
+++ a/drivers/char/mbcs.h
@@ -537,7 +537,7 @@ struct mbcs_soft {
 	atomic_t dmawrite_done;
 	atomic_t dmaread_done;
 	atomic_t algo_done;
-	struct semaphore dmawritelock;
+	struct mutex dmawritelock;
 	struct semaphore dmareadlock;
 	struct mutex algolock;
 };
_

Patches currently in -mm which might be from matthias.kaehlcke@xxxxxxxxx are

generic-ac97-mixer-modem-oss-use-list_for_each_entry.patch
mbcs-convert-algolock-to-mutex.patch
mbcs-convert-dmawritelock-to-mutex.patch
mbcs-convert-dmareadlock-to-mutex.patch

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