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Commit a6082959 authored by Florian Fainelli's avatar Florian Fainelli Committed by Ingo Molnar
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x86: add generic GPIO support to x86 



This patch adds the generic GPIO support to the x86
architecture. We do the same as for MIPS, we let
the machine override the gpio callbacks and provide
defaults one in mach-generic.

Signed-off-by: default avatarFlorian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent ade76149

arch/x86/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -72,6 +72,9 @@ config GENERIC_BUG 
config GENERIC_HWEIGHT

	def_bool y



config GENERIC_GPIO

	def_bool n



config ARCH_MAY_HAVE_PC_FDC

	def_bool y

include/asm-x86/gpio.h

0 → 100644
+6 −0
Original line number Diff line number Diff line 
#ifndef _ASM_I386_GPIO_H

#define _ASM_I386_GPIO_H



#include <gpio.h>



#endif /* _ASM_I386_GPIO_H */

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

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+15 −0
Original line number Diff line number Diff line 
#ifndef __ASM_MACH_GENERIC_GPIO_H

#define __ASM_MACH_GENERIC_GPIO_H



int gpio_request(unsigned gpio, const char *label);

void gpio_free(unsigned gpio);

int gpio_direction_input(unsigned gpio);

int gpio_direction_output(unsigned gpio, int value);

int gpio_get_value(unsigned gpio);

void gpio_set_value(unsigned gpio, int value);

int gpio_to_irq(unsigned gpio);

int irq_to_gpio(unsigned irq);



#include <asm-generic/gpio.h>           /* cansleep wrappers */



#endif /* __ASM_MACH_GENERIC_GPIO_H */