mtk_eint_set_debounce and mtk_eint_find_irq are defined as stub functions in a header file, but without marking them as 'static inline', we get a copy for each file that includes the header: drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.o: In function `mtk_eint_set_debounce': pinctrl-mtk-common-v2.c:(.text+0x134): multiple definition of `mtk_eint_set_debounce' drivers/pinctrl/mediatek/pinctrl-moore.o:pinctrl-moore.c:(.text+0x7d0): first defined here drivers/pinctrl/mediatek/pinctrl-mtk-common-v2.o: In function `mtk_eint_find_irq': pinctrl-mtk-common-v2.c:(.text+0x13c): multiple definition of `mtk_eint_find_irq' Fixes: e46df235b4e6 ("pinctrl: mediatek: refactor EINT related code for all MediaTek pinctrl can fit") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/pinctrl/mediatek/mtk-eint.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/mediatek/mtk-eint.h b/drivers/pinctrl/mediatek/mtk-eint.h index c286a9b940f2..48468d0fae68 100644 --- a/drivers/pinctrl/mediatek/mtk-eint.h +++ b/drivers/pinctrl/mediatek/mtk-eint.h @@ -92,13 +92,13 @@ static inline int mtk_eint_do_resume(struct mtk_eint *eint) return -EOPNOTSUPP; } -int mtk_eint_set_debounce(struct mtk_eint *eint, unsigned long eint_n, +static inline int mtk_eint_set_debounce(struct mtk_eint *eint, unsigned long eint_n, unsigned int debounce) { return -EOPNOTSUPP; } -int mtk_eint_find_irq(struct mtk_eint *eint, unsigned long eint_n) +static inline int mtk_eint_find_irq(struct mtk_eint *eint, unsigned long eint_n) { return -EOPNOTSUPP; } -- 2.18.0