mtd: rawnand: Rename nand_init_data_interface()

This name is a bit misleading, what we do in this helper is trying to
find the best SDR timings supported by the controller and the chip.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://lore.kernel.org/linux-mtd/20200529111322.7184-12-miquel.raynal@bootlin.com

drivers/mtd/nand/raw/nand_base.c

@@ -1005,7 +1005,7 @@ static int nand_setup_data_interface(struct nand_chip *chip, int chipnr)
 }
 
 /**
- * nand_init_data_interface - find the best data interface and timings
+ * nand_choose_data_interface - find the best data interface and timings
  * @chip: The NAND chip
  *
  * Find the best data interface and NAND timings supported by the chip
@@ -1018,7 +1018,7 @@ static int nand_setup_data_interface(struct nand_chip *chip, int chipnr)
  *
  * Returns 0 for success or negative error code otherwise.
  */
-static int nand_init_data_interface(struct nand_chip *chip)
+static int nand_choose_data_interface(struct nand_chip *chip)
 {
 	int modes, mode, ret;
 
@@ -5969,8 +5969,8 @@ static int nand_scan_tail(struct nand_chip *chip)
 	if (!mtd->bitflip_threshold)
 		mtd->bitflip_threshold = DIV_ROUND_UP(mtd->ecc_strength * 3, 4);
 
-	/* Initialize the ->data_interface field. */
-	ret = nand_init_data_interface(chip);
+	/* Find the fastest data interface for this chip */
+	ret = nand_choose_data_interface(chip);
 	if (ret)
 		goto err_nanddev_cleanup;