6384fdadb4
Avoid potential naming confliction since multiple architecture will be built in a single kernel. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Grant Likely <grant.likely@secretlab.ca>
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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* arch/arm/mach-pxa/include/mach/gpio.h
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*
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* PXA GPIO wrappers for arch-neutral GPIO calls
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*
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* Written by Philipp Zabel <philipp.zabel@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __ASM_ARCH_PXA_GPIO_H
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#define __ASM_ARCH_PXA_GPIO_H
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#include <asm-generic/gpio.h>
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/* The defines for the driver are needed for the accelerated accessors */
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#include "gpio-pxa.h"
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#define gpio_to_irq(gpio) PXA_GPIO_TO_IRQ(gpio)
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static inline int irq_to_gpio(unsigned int irq)
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{
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int gpio;
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if (irq == IRQ_GPIO0 || irq == IRQ_GPIO1)
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return irq - IRQ_GPIO0;
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gpio = irq - PXA_GPIO_IRQ_BASE;
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if (gpio >= 2 && gpio < NR_BUILTIN_GPIO)
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return gpio;
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return -1;
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}
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#include <plat/gpio.h>
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#endif
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