The driver uses GENMASK() but does not include <linux/bits.h>. Include the missing header, we shall aim to have the drivers self contained. Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx> --- drivers/spi/spi-s3c64xx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index b350e70fd179..9ce56aa792ed 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -3,6 +3,7 @@ // Copyright (c) 2009 Samsung Electronics Co., Ltd. // Jaswinder Singh <jassi.brar@xxxxxxxxxxx> +#include <linux/bits.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/dma-mapping.h> -- 2.43.0.429.g432eaa2c6b-goog