diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 5d38245a7a73a7cc4fa0d49255a52c7daead7886..35945e31ba7d25ce09deb36be6dfd4e6b86e929a 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -828,7 +828,7 @@ static void sata_rcar_init_controller(struct ata_host *host)
 	iowrite32(ATAPI_INT_ENABLE_SATAINT, base + ATAPI_INT_ENABLE_REG);
 }
 
-static struct of_device_id sata_rcar_match[] = {
+static const struct of_device_id sata_rcar_match[] = {
 	{
 		/* Deprecated by "renesas,sata-r8a7779" */
 		.compatible = "renesas,rcar-sata",