do not throw ecc errors on erased pages.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/mtd/nand/nand_omap_gpmc.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/mtd/nand/nand_omap_gpmc.c b/drivers/mtd/nand/nand_omap_gpmc.c
index d61f7d9..9d375aa 100644
--- a/drivers/mtd/nand/nand_omap_gpmc.c
+++ b/drivers/mtd/nand/nand_omap_gpmc.c
@@ -377,6 +377,11 @@ static int omap_correct_data(struct mtd_info *mtd, uint8_t *dat,
switch (oinfo->ecc_mode) {
case OMAP_ECC_HAMMING_CODE_HW_ROMCODE:
+ if (read_ecc[0] == 0xff && read_ecc[1] == 0xff &&
+ read_ecc[2] == 0xff && calc_ecc[0] == 0x0 &&
+ calc_ecc[1] == 0x0 && calc_ecc[0] == 0x0)
+ break;
+
/* Regenerate the orginal ECC */
orig_ecc = gen_true_ecc(read_ecc);
new_ecc = gen_true_ecc(calc_ecc);
--
1.7.2.3
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