linux-kernel - [PATCH 07/12] pcmcia : Use mutex instead of semaphore in driver core

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Message-ID: <20071229011307.GH2883@darkstar.te-china.tietoenator.com>
Date:	Sat, 29 Dec 2007 09:13:07 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	gregkh@...e.de
Cc:	linux-pcmcia@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 07/12] pcmcia : Use mutex instead of semaphore in driver
	core

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

---
drivers/pcmcia/ds.c |    8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff -upr linux/drivers/pcmcia/ds.c linux.new/drivers/pcmcia/ds.c
--- linux/drivers/pcmcia/ds.c	2007-12-28 10:31:52.000000000 +0800
+++ linux.new/drivers/pcmcia/ds.c	2007-12-28 10:33:14.000000000 +0800
@@ -1119,9 +1119,9 @@ static int runtime_suspend(struct device
 {
 	int rc;
 
-	down(&dev->sem);
+	mutex_lock(&dev->mutex);
 	rc = pcmcia_dev_suspend(dev, PMSG_SUSPEND);
-	up(&dev->sem);
+	mutex_unlock(&dev->mutex);
 	return rc;
 }
 
@@ -1129,9 +1129,9 @@ static void runtime_resume(struct device
 {
 	int rc;
 
-	down(&dev->sem);
+	mutex_lock(&dev->mutex);
 	rc = pcmcia_dev_resume(dev);
-	up(&dev->sem);
+	mutex_unlock(&dev->mutex);
 }
 
 /************************ per-device sysfs output ***************************/
--
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