diff options
Diffstat (limited to 'include/linux/mtd/rawnand.h')
| -rw-r--r-- | include/linux/mtd/rawnand.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 406e9ff0f45c..0f45b6984ad1 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -221,6 +221,14 @@ enum nand_ecc_algo { #define NAND_BBM_SECONDPAGE BIT(25) #define NAND_BBM_LASTPAGE BIT(26) +/* + * Some controllers with pipelined ECC engines override the BBM marker with + * data or ECC bytes, thus making bad block detection through bad block marker + * impossible. Let's flag those chips so the core knows it shouldn't check the + * BBM and consider all blocks good. + */ +#define NAND_NO_BBM_QUIRK BIT(27) + /* Cell info constants */ #define NAND_CI_CHIPNR_MSK 0x03 #define NAND_CI_CELLTYPE_MSK 0x0C |