linux_dsm_epyc7002/arch/arm/mach-sa1100/include/mach/gpio.h
Russell King f408c985ce GPIO: sa1100: implement proper gpiolib gpio_to_irq conversion
The existing gpio_to_irq() implementation on sa1100 only translates
validly for internal GPIOs.  Since this sub-arch enables GPIOLIB
support, this results in buggy translations for non-internal GPIOs.

Get rid of the private gpio_to_irq() implementation, replacing it
with the .to_irq method in the sa1100 gpio chip instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-01-13 22:25:23 -07:00

55 lines
1.5 KiB
C

/*
* arch/arm/mach-sa1100/include/mach/gpio.h
*
* SA1100 GPIO wrappers for arch-neutral GPIO calls
*
* Written by Philipp Zabel <philipp.zabel@gmail.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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __ASM_ARCH_SA1100_GPIO_H
#define __ASM_ARCH_SA1100_GPIO_H
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm-generic/gpio.h>
#define __ARM_GPIOLIB_COMPLEX
static inline int gpio_get_value(unsigned gpio)
{
if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
return GPLR & GPIO_GPIO(gpio);
else
return __gpio_get_value(gpio);
}
static inline void gpio_set_value(unsigned gpio, int value)
{
if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
if (value)
GPSR = GPIO_GPIO(gpio);
else
GPCR = GPIO_GPIO(gpio);
else
__gpio_set_value(gpio, value);
}
#define gpio_cansleep __gpio_cansleep
#endif