The omap_gpmc allows switching ecc at runtime. Since the NAND_SUBPAGE_READ flag is only set, it is kept when switching to hw ecc, which is not correct. This leads to calling chip->ecc.read_subpage which is not a valid pointer. Therefore also clear the flag so reading in hw mode works again.
Cc: Scott Wood <[email protected]> Cc: Pekon Gupta <[email protected]> Cc: Nikita Kiryanov <[email protected]> Signed-off-by: Jeroen Hofstee <[email protected]> --- drivers/mtd/nand/nand_base.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 1ce55fd..0762a19 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -3354,6 +3354,8 @@ int nand_scan_tail(struct mtd_info *mtd) /* Large page NAND with SOFT_ECC should support subpage reads */ if ((chip->ecc.mode == NAND_ECC_SOFT) && (chip->page_shift > 9)) chip->options |= NAND_SUBPAGE_READ; + else + chip->options &= ~NAND_SUBPAGE_READ; /* Fill in remaining MTD driver data */ mtd->type = MTD_NANDFLASH; -- 1.8.3.2 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
