When pmecc uses a 1024 sector size to correct bit error, the gf dimension
must be 14.
So this commit chooses the right degree for different sector size (512 or 1024).
Signed-off-by: Raphaël Poggi <poggi.raph@xxxxxxxxx>
---
drivers/mtd/nand/atmel_nand.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index a02f38f..1ce7d4d 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -796,7 +796,8 @@ static int __init atmel_pmecc_nand_init_params(struct device_d *dev,
switch (mtd->writesize) {
case 2048:
case 4096:
- host->pmecc_degree = PMECC_GF_DIMENSION_13;
+ host->pmecc_degree = (sector_size == 512) ?
+ PMECC_GF_DIMENSION_13 : PMECC_GF_DIMENSION_14;
host->pmecc_cw_len = (1 << host->pmecc_degree) - 1;
host->pmecc_sector_number = mtd->writesize / sector_size;
host->pmecc_bytes_per_sector = pmecc_get_ecc_bytes(
--
1.7.9.5
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