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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>
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Rather than marking the mach/gpio.h header files which want to use the
trivial GPIOLIB implementation, mark those which do not want to use it
instead. This means that by default, you get the trivial implementation
and only have to do something extra if you need to. This should
encourage the use of the trivial default implementation.
As an additional bonus, several gpio.h header files become empty.
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Many of the gpio_to_irq implementations use the gpiolib version of this
function. Provide the standard gpiolib gpio_to_irq() for everyone, but
allow platforms to override it if they wish. Add the neccessary
overrides for those platforms which do not use the standard definition.
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Consolidate 24 trivial gpiolib implementions out of mach/gpio.h
into asm/gpio.h. This is basically the include of asm-generic/gpio.h
and the definition of gpio_get_value, gpio_set_value, and gpio_cansleep
as described in Documentation/gpio.txt
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Tested-by: David Brown <davidb@codeaurora.org>
Acked-by: David Brown <davidb@codeaurora.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Now that all supported gpio_tlmm_config-using boards
are using gpiomux, remove the deprecated code.
Signed-off-by: Gregory Bean <gbean@codeaurora.org>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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Signed-off-by: Pavel Machek <pavel@ucw.cz>
[dwalker@codeaurora.org: renamed to trout, checkpatch cleanup]
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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GPIO support for Qualcomm SOCs requires interaction with the
radio (baseband processor). This API allows the different boards
to enable GPIO through the radio processor in a generic way.
Signed-off-by: Gregory Bean <gbean@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
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