From: Peter Korsgaard <jacmet@sunsite.dk>
Date: Tue, 1 Dec 2009 20:48:13 +0000 (+0100)
Subject: powerpc/gpio: support gpio_to_irq()
X-Git-Tag: v2.6.33-rc2~25^2~3^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=78331aded913d76c7ff996a1a0747d54b057460b;p=pandora-kernel.git

powerpc/gpio: support gpio_to_irq()

gpiolib returns -ENXIO if struct gpio_chip::to_irq isn't set, so it's
safe to always call.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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