1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
index 3d93a5e39090..072947731277 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
@@ -284,6 +284,10 @@ extern int gpmi_read_page(struct gpmi_nand_data *,
 #define STATUS_ERASED           0xff
 #define STATUS_UNCORRECTABLE    0xfe
 
+/* BCH's bit correction capability. */
+#define MXS_ECC_STRENGTH_MAX    20      /* mx23 and mx28 */
+#define MX6_ECC_STRENGTH_MAX    40
+
 /* Use the platform_id to distinguish different Archs. */
 #define IS_MX23                 0x0
 #define IS_MX28                 0x1