diff options
Diffstat (limited to 'include/linux/mtd/mtd.h')
| -rw-r--r-- | include/linux/mtd/mtd.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index cf5ea8cdcf8..63dadc0dfb6 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -157,6 +157,15 @@ struct mtd_info { unsigned int erasesize_mask; unsigned int writesize_mask; + /* + * read ops return -EUCLEAN if max number of bitflips corrected on any + * one region comprising an ecc step equals or exceeds this value. + * Settable by driver, else defaults to ecc_strength. User can override + * in sysfs. N.B. The meaning of the -EUCLEAN return code has changed; + * see Documentation/ABI/testing/sysfs-class-mtd for more detail. + */ + unsigned int bitflip_threshold; + // Kernel-only stuff starts here. const char *name; int index; @@ -164,7 +173,7 @@ struct mtd_info { /* ECC layout structure pointer - read only! */ struct nand_ecclayout *ecclayout; - /* max number of correctible bit errors per writesize */ + /* max number of correctible bit errors per ecc step */ unsigned int ecc_strength; /* Data for variable erase regions. If numeraseregions is zero, |