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Commit badc1446 authored by Mark Brown's avatar Mark Brown Committed by Tony Luck
Browse files

[IA64] Hook up gpiolib support 



Allow people to use gpiolib on ia64, mostly for build coverage as it
seems more useful to standardise on availablity of the API than handle
it being optional.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 55922c9d

arch/ia64/Kconfig

+4 −0
Original line number Original line Diff line number Diff line
@@ -27,6 +27,7 @@ config IA64 
	select GENERIC_PENDING_IRQ if SMP

	select GENERIC_PENDING_IRQ if SMP

	select IRQ_PER_CPU

	select IRQ_PER_CPU

	select GENERIC_IRQ_SHOW

	select GENERIC_IRQ_SHOW

	select ARCH_WANT_OPTIONAL_GPIOLIB

	default y

	default y

	help

	help

	  The Itanium Processor Family is Intel's 64-bit successor to

	  The Itanium Processor Family is Intel's 64-bit successor to
@@ -89,6 +90,9 @@ config GENERIC_TIME_VSYSCALL 
config HAVE_SETUP_PER_CPU_AREA

config HAVE_SETUP_PER_CPU_AREA

	def_bool y

	def_bool y





config GENERIC_GPIO

	def_bool y



config DMI

config DMI

	bool

	bool

	default y

	default y

arch/ia64/include/asm/gpio.h

0 → 100644
+55 −0
Original line number Original line Diff line number Diff line 
/*

 * Generic GPIO API implementation for IA-64.

 *

 * A stright copy of that for PowerPC which was:

 *

 * Copyright (c) 2007-2008  MontaVista Software, Inc.

 *

 * Author: Anton Vorontsov <avorontsov@ru.mvista.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 */



#ifndef _ASM_IA64_GPIO_H

#define _ASM_IA64_GPIO_H



#include <linux/errno.h>

#include <asm-generic/gpio.h>



#ifdef CONFIG_GPIOLIB



/*

 * We don't (yet) implement inlined/rapid versions for on-chip gpios.

 * Just call gpiolib.

 */

static inline int gpio_get_value(unsigned int gpio)

{

	return __gpio_get_value(gpio);

}



static inline void gpio_set_value(unsigned int gpio, int value)

{

	__gpio_set_value(gpio, value);

}



static inline int gpio_cansleep(unsigned int gpio)

{

	return __gpio_cansleep(gpio);

}



static inline int gpio_to_irq(unsigned int gpio)

{

	return __gpio_to_irq(gpio);

}



static inline int irq_to_gpio(unsigned int irq)

{

	return -EINVAL;

}



#endif /* CONFIG_GPIOLIB */



#endif /* _ASM_IA64_GPIO_H */