mtd: nand: fsl_upm: 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>
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index cafd12d..d85fa25 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -170,6 +170,7 @@
 	fun->chip.read_buf = fun_read_buf;
 	fun->chip.write_buf = fun_write_buf;
 	fun->chip.ecc.mode = NAND_ECC_SOFT;
+	fun->chip.ecc.algo = NAND_ECC_HAMMING;
 	if (fun->mchip_count > 1)
 		fun->chip.select_chip = fun_select_chip;