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Timur Tabi authored
Before querying a GPIO to determine its direction, the GPIO should be formally requested. This allows the GPIO driver to block access to unavailable GPIOs, which makes it easier for some drivers to support sparse GPIO maps. Signed-off-by:
Timur Tabi <timur@codeaurora.org> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org>
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