diff options
Diffstat (limited to 'include/mtd')
| -rw-r--r-- | include/mtd/mtd-abi.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h index 5bce08384345..a57c4cb7d6b2 100644 --- a/include/mtd/mtd-abi.h +++ b/include/mtd/mtd-abi.h @@ -144,13 +144,18 @@ struct nand_oobfree { }; #define MTD_MAX_OOBFREE_ENTRIES 8 +#define MTD_MAX_ECCPOS_ENTRIES 64 /* - * ECC layout control structure. Exported to userspace for - * diagnosis and to allow creation of raw images + * OBSOLETE: ECC layout control structure. Exported to user-space via ioctl + * ECCGETLAYOUT for backwards compatbility and should not be mistaken as a + * complete set of ECC information. The ioctl truncates the larger internal + * structure to retain binary compatibility with the static declaration of the + * ioctl. Note that the "MTD_MAX_..._ENTRIES" macros represent the max size of + * the user struct, not the MAX size of the internal struct nand_ecclayout. */ struct nand_ecclayout_user { __u32 eccbytes; - __u32 eccpos[64]; + __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES]; __u32 oobavail; struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES]; }; |