drivers: Remove BKL from pc8736x_gpio

cycle_kernel_lock() was added during the big BKL pushdown. It should
ensure the serializiation against driver init code. In this case there
is nothing to serialize. Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <20091010153350.127093710@linutronix.de>
Acked-by: Jim Cromie <jim.cromie@gmail.com>

diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index 3f7da8c..8ecbcc1 100644 (file)
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -20,7 +20,6 @@
 #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"
@@ -223,7 +222,6 @@ 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)