X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fchar%2Fpc8736x_gpio.c;h=b930de50407aaac9536c9a74adb8b740ce3bae67;hb=53f1b1433da7eac2607a4a0898a221a4485fd732;hp=ecfaf180e5bd8b106ee12e06da33fc0c1a88f702;hpb=5a3e3b2230980cf2ce6e5e56b816dde19b993939;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index ecfaf180e5b..b930de50407 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -20,6 +20,7 @@
 #include <linux/mutex.h>
 #include <linux/nsc_gpio.h>
 #include <linux/platform_device.h>
+#include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 
 #define DEVNAME "pc8736x_gpio"
@@ -217,6 +218,7 @@ static int pc8736x_gpio_open(struct inode *inode, struct file *file)
 	unsigned m = iminor(inode);
 	file->private_data = &pc8736x_gpio_ops;
 
+	cycle_kernel_lock();
 	dev_dbg(&pdev->dev, "open %d\n", m);
 
 	if (m >= PC8736X_GPIO_CT)