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| author | Rafał Miłecki <zajec5@gmail.com> | 2016-03-23 13:19:00 +0300 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@free-electrons.com> | 2016-04-19 23:02:32 +0300 |
| commit | b0fcd8ab7b3c89b5da7fff5224d06ed73e7a33cc (patch) | |
| tree | 6df4158de505ece04e61fe394eecd0bf227574b6 /include/linux/mtd | |
| parent | 8de53481b433e45638e8e5252cbfeb78d64ca4d9 (diff) | |
| download | linux-b0fcd8ab7b3c89b5da7fff5224d06ed73e7a33cc.tar.xz | |
mtd: nand: add new enum for storing ECC algorithm
Our nand_ecc_modes_t is already a bit abused by value NAND_ECC_SOFT_BCH.
This enum should store ECC mode only and putting algorithm details there
is a bad idea. It would result in too many values impossible to support
in a sane way.
To solve this problem let's add a new enum. We'll have to modify all
drivers to set it properly but once it's done it'll be possible to drop
NAND_ECC_SOFT_BCH. That will result in a cleaner design and more
possibilities like setting ECC algorithm for hardware ECC mode.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/nand.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 56574ba36555..1b673e19667c 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -119,6 +119,12 @@ typedef enum { NAND_ECC_SOFT_BCH, } nand_ecc_modes_t; +enum nand_ecc_algo { + NAND_ECC_UNKNOWN, + NAND_ECC_HAMMING, + NAND_ECC_BCH, +}; + /* * Constants for Hardware ECC */ @@ -458,6 +464,7 @@ struct nand_hw_control { /** * struct nand_ecc_ctrl - Control structure for ECC * @mode: ECC mode + * @algo: ECC algorithm * @steps: number of ECC steps per page * @size: data bytes per ECC step * @bytes: ECC bytes per step @@ -508,6 +515,7 @@ struct nand_hw_control { */ struct nand_ecc_ctrl { nand_ecc_modes_t mode; + enum nand_ecc_algo algo; int steps; int size; int bytes; |