mtd: nand: omap: fix sw->hw->sw ecc switch

[oweals/u-boot.git] / drivers / mtd / nand / omap_gpmc.c

diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c
index d5c4c2269c19be96ae777a1728c202f9885403b3..3405ed502bf21d339048f406e18e466c60f070aa 100644 (file)
--- a/drivers/mtd/nand/omap_gpmc.c
+++ b/drivers/mtd/nand/omap_gpmc.c
@@ -763,7 +763,7 @@ static void __maybe_unused omap_free_bch(struct mtd_info *mtd)
 static int omap_select_ecc_scheme(struct nand_chip *nand,
        enum omap_ecc ecc_scheme, unsigned int pagesize, unsigned int oobsize) {
        struct nand_bch_priv    *bch            = nand->priv;
-       struct nand_ecclayout   *ecclayout      = nand->ecc.layout;
+       struct nand_ecclayout   *ecclayout      = &omap_ecclayout;
        int eccsteps = pagesize / SECTOR_BYTES;
        int i;
 
@@ -897,6 +897,11 @@ static int omap_select_ecc_scheme(struct nand_chip *nand,
                debug("nand: error: ecc scheme not enabled or supported\n");
                return -EINVAL;
        }
+
+       /* nand_scan_tail() sets ham1 sw ecc; hw ecc layout is set by driver */
+       if (ecc_scheme != OMAP_ECC_HAM1_CODE_SW)
+               nand->ecc.layout = ecclayout;
+
        return 0;
 }