Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

[pandora-kernel.git] / arch / cris / arch-v32 / drivers / mach-fs / gpio.c

diff --git a/arch/cris/arch-v32/drivers/mach-fs/gpio.c b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
index 0649c8b..ee90d26 100644 (file)
--- a/arch/cris/arch-v32/drivers/mach-fs/gpio.c
+++ b/arch/cris/arch-v32/drivers/mach-fs/gpio.c
@@ -22,7 +22,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 
 #include <asm/etraxgpio.h>
 #include <hwregs/reg_map.h>
@@ -64,6 +64,7 @@ static int dp_cnt;
 #define DP(x)
 #endif
 
+static DEFINE_MUTEX(gpio_mutex);
 static char gpio_name[] = "etrax gpio";
 
 #if 0
@@ -429,7 +430,7 @@ gpio_open(struct inode *inode, struct file *filp)
        if (!priv)
                return -ENOMEM;
 
-       lock_kernel();
+       mutex_lock(&gpio_mutex);
        memset(priv, 0, sizeof(*priv));
 
        priv->minor = p;
@@ -450,7 +451,7 @@ gpio_open(struct inode *inode, struct file *filp)
        alarmlist = priv;
        spin_unlock_irq(&alarm_lock);
 
-       unlock_kernel();
+       mutex_unlock(&gpio_mutex);
        return 0;
 }
 
@@ -708,9 +709,9 @@ static long gpio_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
        long ret;
 
-       lock_kernel();
+       mutex_lock(&gpio_mutex);
        ret = gpio_ioctl_unlocked(file, cmd, arg);
-       unlock_kernel();
+       mutex_unlock(&gpio_mutex);
 
        return ret;
 }