| Date | Sat, 10 Oct 2009 15:37:36 -0000 | From | Thomas Gleixner <> | Subject | [patch 27/28] drivers: Remove BKL from scx200_gpio |
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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> Cc: Jim Cromie <jim.cromie@gmail.com> --- drivers/char/scx200_gpio.c | 2 -- 1 file changed, 2 deletions(-)
Index: linux-2.6-tip/drivers/char/scx200_gpio.c =================================================================== --- linux-2.6-tip.orig/drivers/char/scx200_gpio.c +++ linux-2.6-tip/drivers/char/scx200_gpio.c @@ -12,7 +12,6 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -52,7 +51,6 @@ static int scx200_gpio_open(struct inode unsigned m = iminor(inode); file->private_data = &scx200_gpio_ops; - cycle_kernel_lock(); if (m >= MAX_PINS) return -EINVAL; return nonseekable_open(inode, file);
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