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| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2009-09-05 01:20:43 +0900 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-09-19 14:20:25 -0700 |
| commit | be2f092bfc4f6a415bb4c3e2dcbf521a1f2a0fe5 (patch) | |
| tree | 7994454518bdfd2977a2866befcec8983647188e /include/linux/mtd | |
| parent | 23af51ecfb04ff65bae51bd8e2270f4449abc789 (diff) | |
| download | linux-be2f092bfc4f6a415bb4c3e2dcbf521a1f2a0fe5.tar.gz linux-be2f092bfc4f6a415bb4c3e2dcbf521a1f2a0fe5.tar.bz2 linux-be2f092bfc4f6a415bb4c3e2dcbf521a1f2a0fe5.zip | |
mtd: nand: add __nand_correct_data helper function
Split nand_correct_data() into two part, a pure calculation function
and a wrapper for mtd interface.
The tmio_nand driver can implement its ecc.correct function easily
using this __nand_correct_data helper.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Acked-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/nand_ecc.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h index 090da505425d..052ea8ca2434 100644 --- a/include/linux/mtd/nand_ecc.h +++ b/include/linux/mtd/nand_ecc.h @@ -21,6 +21,12 @@ struct mtd_info; int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); /* + * Detect and correct a 1 bit error for eccsize byte block + */ +int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc, + unsigned int eccsize); + +/* * Detect and correct a 1 bit error for 256 byte block */ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); |