mtd: rawnand: Pass a nand_chip object to ecc->correct()

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.

Now is ecc->correct()'s turn.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c
index d4e9146..b41fd09 100644
--- a/drivers/mtd/nand/raw/fsmc_nand.c
+++ b/drivers/mtd/nand/raw/fsmc_nand.c
@@ -769,7 +769,7 @@
 		memcpy(&ecc_code[i], oob, chip->ecc.bytes);
 		chip->ecc.calculate(chip, p, &ecc_calc[i]);
 
-		stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
+		stat = chip->ecc.correct(chip, p, &ecc_code[i], &ecc_calc[i]);
 		if (stat < 0) {
 			mtd->ecc_stats.failed++;
 		} else {
@@ -791,11 +791,10 @@
  * calc_ecc is a 104 bit information containing maximum of 8 error
  * offset informations of 13 bits each in 512 bytes of read data.
  */
-static int fsmc_bch8_correct_data(struct mtd_info *mtd, uint8_t *dat,
-			     uint8_t *read_ecc, uint8_t *calc_ecc)
+static int fsmc_bch8_correct_data(struct nand_chip *chip, uint8_t *dat,
+				  uint8_t *read_ecc, uint8_t *calc_ecc)
 {
-	struct nand_chip *chip = mtd_to_nand(mtd);
-	struct fsmc_nand_data *host = mtd_to_fsmc(mtd);
+	struct fsmc_nand_data *host = mtd_to_fsmc(nand_to_mtd(chip));
 	uint32_t err_idx[8];
 	uint32_t num_err, i;
 	uint32_t ecc1, ecc2, ecc3, ecc4;