Commit fbdbf709 authored Sep 15, 2008 by Uwe Kleine-König Committed by Ingo Molnar Sep 17, 2008

x86, debug: gpio_free might sleep



According to the documentation gpio_free should only be called from task
context only.  To make this more explicit add a might sleep to all
implementations.

This patch changes the gpio_free implementations for the x86
architecture.

Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 90f7d25c

include/asm-x86/mach-rdc321x/gpio.h

+3 −0

Original line number	Diff line number	Diff line
		#ifndef _RDC321X_GPIO_H
		#define _RDC321X_GPIO_H

		#include <linux/kernel.h>

		extern int rdc_gpio_get_value(unsigned gpio);
		extern void rdc_gpio_set_value(unsigned gpio, int value);
		extern int rdc_gpio_direction_input(unsigned gpio);
		@@ -18,6 +20,7 @@ static inline int gpio_request(unsigned gpio, const char *label)

		static inline void gpio_free(unsigned gpio)
		{
		might_sleep();
		rdc_gpio_free(gpio);
		}