pinctrl: msm: Mux out gpio function with gpio_request()
We rely on devices to use pinmuxing configurations in DT to select the GPIO function (function 0) if they're going to use the gpio in GPIO mode. Let's simplify things for driver authors by implementing gpio_request_enable() for this pinctrl driver to mux out the GPIO function when the gpio is use from gpiolib. Cc: Doug Anderson <dianders@chromium.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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