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-rw-r--r--include/linux/platform_data/elm.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/platform_data/elm.h b/include/linux/platform_data/elm.h
index 780d1e97f62..b8686c00f15 100644
--- a/include/linux/platform_data/elm.h
+++ b/include/linux/platform_data/elm.h
@@ -42,8 +42,24 @@ struct elm_errorvec {
int error_loc[16];
};
+#if IS_ENABLED(CONFIG_MTD_NAND_OMAP_BCH)
void elm_decode_bch_error_page(struct device *dev, u8 *ecc_calc,
struct elm_errorvec *err_vec);
int elm_config(struct device *dev, enum bch_ecc bch_type,
int ecc_steps, int ecc_step_size, int ecc_syndrome_size);
+#else
+static inline void
+elm_decode_bch_error_page(struct device *dev, u8 *ecc_calc,
+ struct elm_errorvec *err_vec)
+{
+}
+
+static inline int elm_config(struct device *dev, enum bch_ecc bch_type,
+ int ecc_steps, int ecc_step_size,
+ int ecc_syndrome_size)
+{
+ return -ENOSYS;
+}
+#endif /* CONFIG_MTD_NAND_ECC_BCH */
+
#endif /* __ELM_H */