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-rw-r--r--include/linux/mtd/nand_ecc.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h
index 090da50..9715a53 100644
--- a/include/linux/mtd/nand_ecc.h
+++ b/include/linux/mtd/nand_ecc.h
@@ -15,6 +15,10 @@
struct mtd_info;
+#if defined(CONFIG_MTD_ECC_SOFT)
+
+static inline int mtd_nand_has_ecc_soft(void) { return 1; }
+
/*
* Calculate 3 byte ECC code for 256 byte block
*/
@@ -25,4 +29,25 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code
*/
int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
+#else
+
+static inline int mtd_nand_has_ecc_soft(void) { return 0; }
+
+static inline int
+nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code)
+{
+ return -1;
+}
+
+static inline int
+nand_correct_data(struct mtd_info *mtd,
+ u_char *dat,
+ u_char *read_ecc,
+ u_char *calc_ecc)
+{
+ return -1;
+}
+
+#endif
+
#endif /* __MTD_NAND_ECC_H__ */