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0a938b9768
Most drivers using GPIOs already know they are running on a system that supports the generic GPIO calls, because of other platform dependencies. But the generic GPIO-based LED and input button drivers can't know that. So this patch adds a Kconfig hook, GENERIC_GPIO, to mark the platforms where <asm/gpio.h> will do the right thing. Currently that's a bunch of ARMs, and AVR32; more are on the way. It also fixes a dependency bug for the gpio button input driver; it was wrong to start with, now it covers all platforms with GENERIC_GPIO. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Acked-by: Richard Purdie <rpurdie@rpsys.net> Cc: Arnaud Patard <arnaud.patard@rtp-net.org> Cc: <raph@8d.com> Cc: <msvoboda@ra.rockwell.com> Cc: pHilipp Zabel <philipp.zabel@gmail.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Dmitry Torokhov <dtor@mail.ru> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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