mtd: nand: sunxi: Return on set_feature only when not ENOTSUPP

Return the error code of the set_features function only if
the error code is not ENOTSUPP. Otherwise, if this function
is not supported, it will return and fail to initialize the
NAND.

Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>
Acked-by: Jagan Teki <jagan@openedev.com>

drivers/mtd/nand/sunxi_nand.c

@@ -1369,7 +1369,7 @@ static int sunxi_nand_chip_init_timings(struct sunxi_nand_chip *chip)
 						ONFI_FEATURE_ADDR_TIMING_MODE,
 						feature);
 			chip->nand.select_chip(mtd, -1);
-			if (ret)
+			if (ret && ret != -ENOTSUPP)
 				return ret;
 		}
 	}