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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2009-09-05 01:20:43 +0900
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-09-19 14:20:25 -0700
commitbe2f092bfc4f6a415bb4c3e2dcbf521a1f2a0fe5 (patch)
tree7994454518bdfd2977a2866befcec8983647188e /include/linux/mtd
parent23af51ecfb04ff65bae51bd8e2270f4449abc789 (diff)
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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.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h
index 090da50..052ea8c 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);