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-rw-r--r--drivers/mtd/nand/atmel_nand.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 77bd877d8f28..e4d57ffef07e 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -1174,7 +1174,17 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
/* set ECC page size and oob layout */
switch (mtd->writesize) {
+ case 512:
+ case 1024:
case 2048:
+ case 4096:
+ case 8192:
+ if (sector_size > mtd->writesize) {
+ dev_err(host->dev, "pmecc sector size is bigger than the page size!\n");
+ err_no = -EINVAL;
+ goto err;
+ }
+
host->pmecc_degree = (sector_size == 512) ?
PMECC_GF_DIMENSION_13 : PMECC_GF_DIMENSION_14;
host->pmecc_cw_len = (1 << host->pmecc_degree) - 1;
@@ -1201,13 +1211,9 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
nand_chip->ecc.layout = &atmel_pmecc_oobinfo;
break;
- case 512:
- case 1024:
- case 4096:
- /* TODO */
+ default:
dev_warn(host->dev,
"Unsupported page size for PMECC, use Software ECC\n");
- default:
/* page size not handled by HW ECC */
/* switching back to soft ECC */
nand_chip->ecc.mode = NAND_ECC_SOFT;