fat: Fix and cleanup timestamp conversion

[linux-2.6-omap-h63xx.git] / drivers / char / cs5535_gpio.c

diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c
index c0a4a0bb509e77397875b023bc4ad4f1324946bf..04ba906b4880eb4337a4d539beb30a29778b97d2 100644 (file)
--- a/drivers/char/cs5535_gpio.c
+++ b/drivers/char/cs5535_gpio.c
@@ -17,6 +17,7 @@
 #include <linux/cdev.h>
 #include <linux/ioport.h>
 #include <linux/pci.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
@@ -157,6 +158,7 @@ static int cs5535_gpio_open(struct inode *inode, struct file *file)
 {
        u32 m = iminor(inode);
 
+       cycle_kernel_lock();
        /* the mask says which pins are usable by this driver */
        if ((mask & (1 << m)) == 0)
                return -EINVAL;