mtd: rawnand: Pass a nand_chip object to chip->cmd_ctrl()

Let's make the raw NAND API consistent by patching all helpers and
hooks to take a nand_chip object instead of an mtd_info one or
remove the mtd_info object when both are passed.

Let's tackle the chip->cmd_ctrl() hook.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>

drivers/mtd/nand/raw/s3c2410.c

@@ -456,9 +456,10 @@ static void s3c2410_nand_select_chip(struct nand_chip *this, int chip)
  * Issue command and address cycles to the chip
 */
 
-static void s3c2410_nand_hwcontrol(struct mtd_info *mtd, int cmd,
+static void s3c2410_nand_hwcontrol(struct nand_chip *chip, int cmd,
 				   unsigned int ctrl)
 {
+	struct mtd_info *mtd = nand_to_mtd(chip);
 	struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
 
 	if (cmd == NAND_CMD_NONE)
@@ -472,9 +473,10 @@ static void s3c2410_nand_hwcontrol(struct mtd_info *mtd, int cmd,
 
 /* command and control functions */
 
-static void s3c2440_nand_hwcontrol(struct mtd_info *mtd, int cmd,
+static void s3c2440_nand_hwcontrol(struct nand_chip *chip, int cmd,
 				   unsigned int ctrl)
 {
+	struct mtd_info *mtd = nand_to_mtd(chip);
 	struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
 
 	if (cmd == NAND_CMD_NONE)