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-rw-r--r--drivers/mtd/nand/jz4740_nand.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c
index adccae3da120..b19d2a9a5eb9 100644
--- a/drivers/mtd/nand/jz4740_nand.c
+++ b/drivers/mtd/nand/jz4740_nand.c
@@ -224,24 +224,6 @@ static int jz_nand_correct_ecc_rs(struct mtd_info *mtd, uint8_t *dat,
uint32_t t;
unsigned int timeout = 1000;
- t = read_ecc[0];
-
- if (t == 0xff) {
- for (i = 1; i < 9; ++i)
- t &= read_ecc[i];
-
- t &= dat[0];
- t &= dat[nand->chip.ecc.size / 2];
- t &= dat[nand->chip.ecc.size - 1];
-
- if (t == 0xff) {
- for (i = 1; i < nand->chip.ecc.size - 1; ++i)
- t &= dat[i];
- if (t == 0xff)
- return 0;
- }
- }
-
for (i = 0; i < 9; ++i)
writeb(read_ecc[i], nand->base + JZ_REG_NAND_PAR0 + i);
@@ -443,6 +425,7 @@ static int jz_nand_probe(struct platform_device *pdev)
chip->ecc.size = 512;
chip->ecc.bytes = 9;
chip->ecc.strength = 4;
+ chip->ecc.options = NAND_ECC_GENERIC_ERASED_CHECK;
if (pdata)
chip->ecc.layout = pdata->ecc_layout;