Include the spi-s3c64xx.h header to fix W=1 build warning: arch/arm/mach-s3c64xx/setup-spi.c:11:5: warning: no previous prototype for 's3c64xx_spi0_cfg_gpio' [-Wmissing-prototypes] 11 | int s3c64xx_spi0_cfg_gpio(void) Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- arch/arm/mach-s3c64xx/setup-spi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/mach-s3c64xx/setup-spi.c b/arch/arm/mach-s3c64xx/setup-spi.c index 39dfae1f46e7..03c9d296bb0f 100644 --- a/arch/arm/mach-s3c64xx/setup-spi.c +++ b/arch/arm/mach-s3c64xx/setup-spi.c @@ -4,6 +4,7 @@ // http://www.samsung.com/ #include <linux/gpio.h> +#include <linux/platform_data/spi-s3c64xx.h> #include <plat/gpio-cfg.h> #include <mach/gpio-samsung.h> -- 2.17.1