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authorDavid Brownell <dbrownell@users.sourceforge.net>2008-10-16 01:03:14 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-16 14:21:40 -0400
commit0f6d504e73b49374c6093efe6aa60ab55058248a (patch)
tree414c9e591ba23b2126bc9cad4e0efb1b60693b2d /.mailmap
parent2f8d11971b9f54362437ce70f4d1911f0996d542 (diff)
gpiolib: gpio_to_irq() hooks
Add a new gpiolib mechanism: gpio_chip instances can provide mappings between their (input) GPIOs and any associated IRQs. This makes it easier for platforms to support IRQs that are provided by board-specific external chips instead of as part of their core (such as SOC-integrated GPIOs). Also update the irq_to_gpio() description, saying to avoid it because it's not always supported. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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