mtd: nand: socrates: set ECC algorithm explicitly

This is part of process deprecating NAND_ECC_SOFT_BCH (and switching to
enum nand_ecc_algo).
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

drivers/mtd/nand/socrates_nand.c

@@ -180,6 +180,7 @@ static int socrates_nand_probe(struct platform_device *ofdev)
 	nand_chip->dev_ready = socrates_nand_device_ready;
 
 	nand_chip->ecc.mode = NAND_ECC_SOFT;	/* enable ECC */
+	nand_chip->ecc.algo = NAND_ECC_HAMMING;
 
 	/* TODO: I have no idea what real delay is. */
 	nand_chip->chip_delay = 20;		/* 20us command delay time */