summaryrefslogtreecommitdiffstats
path: root/drivers/char/pcmcia/cm4040_cs.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 10:49:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-22 10:49:54 -0700
commitc37927d4359e81b85de644f8fb08878717cf5f3f (patch)
tree25dabf2d905e1410819d1bdaba0bf5f779100d3c /drivers/char/pcmcia/cm4040_cs.c
parent5704e44d283e907623e3775c1262f206a2c48cf3 (diff)
parent2a48fc0ab24241755dc93bfd4f01d68efab47f5a (diff)
downloadblackbird-op-linux-c37927d4359e81b85de644f8fb08878717cf5f3f.tar.gz
blackbird-op-linux-c37927d4359e81b85de644f8fb08878717cf5f3f.zip
Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl: block: autoconvert trivial BKL users to private mutex drivers: autoconvert trivial BKL users to private mutex ipmi: autoconvert trivial BKL users to private mutex mac: autoconvert trivial BKL users to private mutex mtd: autoconvert trivial BKL users to private mutex scsi: autoconvert trivial BKL users to private mutex Fix up trivial conflicts (due to addition of private mutex right next to deletion of a version string) in drivers/char/pcmcia/cm40[04]0_cs.c
Diffstat (limited to 'drivers/char/pcmcia/cm4040_cs.c')
-rw-r--r--drivers/char/pcmcia/cm4040_cs.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index bf2f046fc2c1..d7c32cb40ca3 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -24,7 +24,7 @@
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/poll.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/wait.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -48,6 +48,8 @@
__func__ , ## args); \
} while (0)
+static DEFINE_MUTEX(cm4040_mutex);
+
#define CCID_DRIVER_BULK_DEFAULT_TIMEOUT (150*HZ)
#define CCID_DRIVER_ASYNC_POWERUP_TIMEOUT (35*HZ)
#define CCID_DRIVER_MINIMUM_TIMEOUT (3*HZ)
@@ -440,7 +442,7 @@ static int cm4040_open(struct inode *inode, struct file *filp)
if (minor >= CM_MAX_DEV)
return -ENODEV;
- lock_kernel();
+ mutex_lock(&cm4040_mutex);
link = dev_table[minor];
if (link == NULL || !pcmcia_dev_present(link)) {
ret = -ENODEV;
@@ -469,7 +471,7 @@ static int cm4040_open(struct inode *inode, struct file *filp)
DEBUGP(2, dev, "<- cm4040_open (successfully)\n");
ret = nonseekable_open(inode, filp);
out:
- unlock_kernel();
+ mutex_unlock(&cm4040_mutex);
return ret;
}
OpenPOWER on IntegriCloud