kirkwood_nand: allow usage of NAND_ECC_SOFT_BCH

If CONFIG_NAND_ECC_BCH is set use 4-bit error correction code instead of
the 1-bit error correction code on the NAND device.

Signed-off-by: Gerlando Falauto <[email protected]>
Signed-off-by: Holger Brunck <[email protected]>
cc: Valentin Longchamp <[email protected]>
cc: Prafulla Wadaskar <[email protected]>
Acked-by: Prafulla Wadaskar <[email protected]>
Acked-by: Scott Wood <[email protected]>

diff --git a/drivers/mtd/nand/kirkwood_nand.c b/drivers/mtd/nand/kirkwood_nand.c
index bdab5aa795befc221e6c62d11c2b4a961d7ab499..0a99a10de1783d6a636bd69bf44261a6afa20ebe 100644 (file)
--- a/drivers/mtd/nand/kirkwood_nand.c
+++ b/drivers/mtd/nand/kirkwood_nand.c
@@ -74,7 +74,11 @@ void kw_nand_select_chip(struct mtd_info *mtd, int chip)
 int board_nand_init(struct nand_chip *nand)
 {
        nand->options = NAND_COPYBACK | NAND_CACHEPRG | NAND_NO_PADDING;
+#if defined(CONFIG_NAND_ECC_BCH)
+       nand->ecc.mode = NAND_ECC_SOFT_BCH;
+#else
        nand->ecc.mode = NAND_ECC_SOFT;
+#endif
        nand->cmd_ctrl = kw_nand_hwcontrol;
        nand->chip_delay = 40;
        nand->select_chip = kw_nand_select_chip;