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由 Milan Svoboda 提交于
This patch brings generic gpio layer support to ixp4xx. It creates functions needed for gpio->irq and irq->gpio translation. It expects and initial value to be passed to gpio_direction_output() which has been introduced by commit 28735a72 in Linus git tree. Generic gpio layer is going to be used by pxa2xx_udc driver. Signed-off-by: NMilan Svoboda <msvoboda@ra.rockwell.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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