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cppcheck detected an uninitialized variable: [drivers/pinctrl/mediatek/pinctrl-mtk-common.c:897]: (error) Uninitialized variable: unmask unmask should be initialized to zero to ensure unmasking only occurs if a previous mask occurred. The current situation is that the unmask variable could contain any random garbage causing random unexpected unmasking. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>