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

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

[akpm]

The patch titled
     MBCS: convert dmareadlock to mutex
has been added to the -mm tree.  Its filename is
     mbcs-convert-dmareadlock-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 dmareadlock to mutex
From: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>

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>
---

 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-dmareadlock-to-mutex drivers/char/mbcs.c
--- a/drivers/char/mbcs.c~mbcs-convert-dmareadlock-to-mutex
+++ a/drivers/char/mbcs.c
@@ -347,7 +347,7 @@ do_mbcs_sram_dmaread(struct mbcs_soft *s
 {
 	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 *s
 	*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
 	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 -puN drivers/char/mbcs.h~mbcs-convert-dmareadlock-to-mutex drivers/char/mbcs.h
--- a/drivers/char/mbcs.h~mbcs-convert-dmareadlock-to-mutex
+++ a/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;
 };
 
_

Patches currently in -mm which might be from matthias.kaehlcke@gmail.com 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