The type of to_reg() is unsigned int while it might return a negative error code. Callers are also expecting a signed type. For sake of type consistency replace unsigned int with plain int. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/gpio/gpio-wcove.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c index dde7c6aecbb5..4afc8580ecd7 100644 --- a/drivers/gpio/gpio-wcove.c +++ b/drivers/gpio/gpio-wcove.c @@ -105,7 +105,7 @@ struct wcove_gpio { bool set_irq_mask; }; -static inline unsigned int to_reg(int gpio, enum ctrl_register reg_type) +static inline int to_reg(int gpio, enum ctrl_register reg_type) { unsigned int reg; -- 2.20.1