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Diffstat (limited to 'drivers/mtd/nand/omap2.c')
-rw-r--r--drivers/mtd/nand/omap2.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 63f858e6bf39..60fa89939c24 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -1048,10 +1048,9 @@ static int omap_dev_ready(struct mtd_info *mtd)
* @mtd: MTD device structure
* @mode: Read/Write mode
*
- * When using BCH, sector size is hardcoded to 512 bytes.
- * Using wrapping mode 6 both for reading and writing if ELM module not uses
- * for error correction.
- * On writing,
+ * When using BCH with SW correction (i.e. no ELM), sector size is set
+ * to 512 bytes and we use BCH_WRAPMODE_6 wrapping mode
+ * for both reading and writing with:
* eccsize0 = 0 (no additional protected byte in spare area)
* eccsize1 = 32 (skip 32 nibbles = 16 bytes per sector in spare area)
*/
@@ -1071,15 +1070,9 @@ static void __maybe_unused omap_enable_hwecc_bch(struct mtd_info *mtd, int mode)
case OMAP_ECC_BCH4_CODE_HW_DETECTION_SW:
bch_type = 0;
nsectors = 1;
- if (mode == NAND_ECC_READ) {
- wr_mode = BCH_WRAPMODE_6;
- ecc_size0 = BCH_ECC_SIZE0;
- ecc_size1 = BCH_ECC_SIZE1;
- } else {
- wr_mode = BCH_WRAPMODE_6;
- ecc_size0 = BCH_ECC_SIZE0;
- ecc_size1 = BCH_ECC_SIZE1;
- }
+ wr_mode = BCH_WRAPMODE_6;
+ ecc_size0 = BCH_ECC_SIZE0;
+ ecc_size1 = BCH_ECC_SIZE1;
break;
case OMAP_ECC_BCH4_CODE_HW:
bch_type = 0;
@@ -1097,15 +1090,9 @@ static void __maybe_unused omap_enable_hwecc_bch(struct mtd_info *mtd, int mode)
case OMAP_ECC_BCH8_CODE_HW_DETECTION_SW:
bch_type = 1;
nsectors = 1;
- if (mode == NAND_ECC_READ) {
- wr_mode = BCH_WRAPMODE_6;
- ecc_size0 = BCH_ECC_SIZE0;
- ecc_size1 = BCH_ECC_SIZE1;
- } else {
- wr_mode = BCH_WRAPMODE_6;
- ecc_size0 = BCH_ECC_SIZE0;
- ecc_size1 = BCH_ECC_SIZE1;
- }
+ wr_mode = BCH_WRAPMODE_6;
+ ecc_size0 = BCH_ECC_SIZE0;
+ ecc_size1 = BCH_ECC_SIZE1;
break;
case OMAP_ECC_BCH8_CODE_HW:
bch_type = 1;