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01464226ac
Most platforms don't need mach/gpio.h and it prevents multi-platform kernel images. Add CONFIG_NEED_MACH_GPIO_H and make platforns select it if they need gpio.h. This is platforms that define __GPIOLIB_COMPLEX or have lots of implicit includes pulled in by mach/gpio.h. at91 and omap have gpio clean-up pending and can drop CONFIG_NEED_MACH_GPIO_H once that is in. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Russell King <linux@arm.linux.org.uk> Acked-by: Jason Cooper <jason@lakedaemon.net> Acked-by: Linus Walleij <linus.walleij@linaro.org>
33 lines
814 B
C
33 lines
814 B
C
#ifndef _ARCH_ARM_GPIO_H
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#define _ARCH_ARM_GPIO_H
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#if CONFIG_ARCH_NR_GPIO > 0
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#define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO
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#endif
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/* not all ARM platforms necessarily support this API ... */
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#ifdef CONFIG_NEED_MACH_GPIO_H
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#include <mach/gpio.h>
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#endif
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#ifndef __ARM_GPIOLIB_COMPLEX
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/* Note: this may rely upon the value of ARCH_NR_GPIOS set in mach/gpio.h */
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#include <asm-generic/gpio.h>
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/* The trivial gpiolib dispatchers */
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#define gpio_get_value __gpio_get_value
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#define gpio_set_value __gpio_set_value
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#define gpio_cansleep __gpio_cansleep
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#endif
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/*
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* Provide a default gpio_to_irq() which should satisfy every case.
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* However, some platforms want to do this differently, so allow them
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* to override it.
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*/
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#ifndef gpio_to_irq
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#define gpio_to_irq __gpio_to_irq
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#endif
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#endif /* _ARCH_ARM_GPIO_H */
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