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Since commit 7560fa60 (gpio: <linux/gpio.h> and "no GPIO support here" stubs) drivers can use GPIOs if they're available, but don't require them. This patch actually enables this feature. Signed-off-by:Wolfgang Grandegger <wg@grandegger.com> Signed-off-by:
Anton Vorontsov <avorontsov@ru.mvista.com> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>