pinctrl: mediatek: remove set but not used variable 'e'
drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c: In function mtk_hw_pin_field_lookup: drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.c:70:39: warning: variable e set but not used [-Wunused-but-set-variable] Since commit 3de7deef ("pinctrl: mediatek: Check gpio pin number and use binary search in mtk_hw_pin_field_lookup()"), it is not used any more, so remove it, also remove redundant assignment to variable c, it will be assigned a new value later before used. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Link: https://lore.kernel.org/r/20200218023625.14324-1-yuehaibing@huawei.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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