Add a bunch of cycle_kernel_lock() calls

[linux-2.6-omap-h63xx.git] / drivers / char / pc8736x_gpio.c

diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index 8715dc9f4a531f2f64445642970e6c603f04ba82..b930de50407aaac9536c9a74adb8b740ce3bae67 100644 (file)
--- 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"
@@ -212,12 +213,12 @@ static struct nsc_gpio_ops pc8736x_gpio_ops = {
        .gpio_current   = pc8736x_gpio_current
 };
 
-/* No BKL needed here; no global resources accessed */
 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)