linux-kernel - [PATCH 03/12] firewire : Use mutex instead of semaphore in driver core

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Message-ID: <20071229010602.GD2883@darkstar.te-china.tietoenator.com>
Date:	Sat, 29 Dec 2007 09:06:02 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	krh@...hat.com, stefanr@...6.in-berlin.de
Cc:	linux-kernel@...r.kernel.org, linux1394-devel@...ts.sourceforge.net
Subject: [PATCH 03/12] firewire : Use mutex instead of semaphore in driver
	core

Signed-off-by: Dave Young <hidave.darkstar@...il.com> 

---
drivers/firewire/fw-device.c |    6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff -upr linux/drivers/firewire/fw-device.c linux.new/drivers/firewire/fw-device.c
--- linux/drivers/firewire/fw-device.c	2007-12-28 10:02:38.000000000 +0800
+++ linux.new/drivers/firewire/fw-device.c	2007-12-28 10:05:00.000000000 +0800
@@ -26,7 +26,7 @@
 #include <linux/delay.h>
 #include <linux/idr.h>
 #include <linux/rwsem.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 #include <linux/ctype.h>
 #include "fw-transaction.h"
 #include "fw-topology.h"
@@ -731,9 +731,9 @@ static int update_unit(struct device *de
 	struct fw_driver *driver = (struct fw_driver *)dev->driver;
 
 	if (is_fw_unit(dev) && driver != NULL && driver->update != NULL) {
-		down(&dev->sem);
+		mutex_lock(&dev->mutex);
 		driver->update(unit);
-		up(&dev->sem);
+		mutex_unlock(&dev->mutex);
 	}
 
 	return 0;
--
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