diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 29b7c0dcfc51c6e5c200d1c3c4d377627a3b50cf..8673f91ebd41b5743401177a56fa582e2d5350b9 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -167,7 +167,7 @@ static struct mtd_partition migor_nand_flash_partitions[] = {
 static void migor_nand_flash_cmd_ctl(struct mtd_info *mtd, int cmd,
 				     unsigned int ctrl)
 {
-	struct nand_chip *chip = mtd->priv;
+	struct nand_chip *chip = mtd_to_nand(mtd);
 
 	if (cmd == NAND_CMD_NONE)
 		return;