From: Maksim Kiselev bigunclemax@gmail.com

Since GCC 14 -Werror=implicit-function-declaration is enabled by default. This leads to following compilation error:

drivers/gpio/mcp230xx_gpio.c:57:9: error: implicit declaration of function ‘udelay’ [-Wimplicit-function-declaration] 57 | udelay(1);

Add missing header to fix this error.

Signed-off-by: Maksim Kiselev bigunclemax@gmail.com --- drivers/gpio/mcp230xx_gpio.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/mcp230xx_gpio.c b/drivers/gpio/mcp230xx_gpio.c index 42e7fe9d47..b6f533b130 100644 --- a/drivers/gpio/mcp230xx_gpio.c +++ b/drivers/gpio/mcp230xx_gpio.c @@ -14,6 +14,7 @@ #include <asm/gpio.h> #include <dm/device_compat.h> #include <dt-bindings/gpio/gpio.h> +#include <linux/delay.h>

enum mcp230xx_type { UNKNOWN = 0,