diff options
| author | Jörg Krause <joerg.krause@embedded.rocks> | 2015-04-15 09:27:22 +0200 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-05-24 14:26:54 -0500 |
| commit | 1fbdb706106a6ad135f87d29bb8dfe09ff995950 (patch) | |
| tree | 662c321ecd2166cf11ec16279ecf24c493df76f5 /drivers/mtd/nand/mxs_nand.c | |
| parent | bd38da1a558ea31f2dee4a14a972333b68bfa0ee (diff) | |
mtd: nand: mxs: Replace magic number for bits per ECC level with macro
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Reviewed-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers/mtd/nand/mxs_nand.c')
| -rw-r--r-- | drivers/mtd/nand/mxs_nand.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c index fc5cf586c5..9c144a21e1 100644 --- a/drivers/mtd/nand/mxs_nand.c +++ b/drivers/mtd/nand/mxs_nand.c @@ -36,7 +36,7 @@ #define MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT 0 #endif #define MXS_NAND_METADATA_SIZE 10 - +#define MXS_NAND_BITS_PER_ECC_LEVEL 13 #define MXS_NAND_COMMAND_BUFFER_SIZE 32 #define MXS_NAND_BCH_TIMEOUT 10000 @@ -135,7 +135,7 @@ static uint32_t mxs_nand_ecc_chunk_cnt(uint32_t page_data_size) static uint32_t mxs_nand_ecc_size_in_bits(uint32_t ecc_strength) { - return ecc_strength * 13; + return ecc_strength * MXS_NAND_BITS_PER_ECC_LEVEL; } static uint32_t mxs_nand_aux_status_offset(void) @@ -157,7 +157,8 @@ static inline uint32_t mxs_nand_get_ecc_strength(uint32_t page_data_size, * (page oob size - meta data size) * (bits per byte) */ ecc_strength = ((page_oob_size - MXS_NAND_METADATA_SIZE) * 8) - / (13 * mxs_nand_ecc_chunk_cnt(page_data_size)); + / (MXS_NAND_BITS_PER_ECC_LEVEL * + mxs_nand_ecc_chunk_cnt(page_data_size)); return round_down(ecc_strength, 2); } |