mtd: nand: davinci: 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/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 0198536..cc07ba0 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -723,8 +723,17 @@
switch (info->chip.ecc.mode) {
case NAND_ECC_NONE:
+ pdata->ecc_bits = 0;
+ break;
case NAND_ECC_SOFT:
pdata->ecc_bits = 0;
+ /*
+ * This driver expects Hamming based ECC when ecc_mode is set
+ * to NAND_ECC_SOFT. Force ecc.algo to NAND_ECC_HAMMING to
+ * avoid adding an extra ->ecc_algo field to
+ * davinci_nand_pdata.
+ */
+ info->chip.ecc.algo = NAND_ECC_HAMMING;
break;
case NAND_ECC_HW:
if (pdata->ecc_bits == 4) {