This patch prepares to refactor 'struct nand_bch_priv' -> 'struct omap_nand_info' And thus performs following clean-ups: - remove nand_bch_priv.type: use nand_bch_priv.ecc_scheme instead - remove nand_bch_priv.mode: <unused>
Signed-off-by: Pekon Gupta pekon@ti.com --- drivers/mtd/nand/omap_gpmc.c | 23 ++++++----------------- 1 file changed, 6 insertions(+), 17 deletions(-)
diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c index af38f00..4bd296e 100644 --- a/drivers/mtd/nand/omap_gpmc.c +++ b/drivers/mtd/nand/omap_gpmc.c @@ -151,17 +151,10 @@ static int __maybe_unused omap_correct_data(struct mtd_info *mtd, uint8_t *dat, * Generic BCH interface */ struct nand_bch_priv { - uint8_t mode; - uint8_t type; struct bch_control *control; enum omap_ecc ecc_scheme; };
-/* bch types */ -#define ECC_BCH4 0 -#define ECC_BCH8 1 -#define ECC_BCH16 2 - /* * This can be a single instance cause all current users have only one NAND * with nearly the same setup (BCH8, some with ELM and others with sw BCH @@ -169,7 +162,6 @@ struct nand_bch_priv { * When some users with other BCH strength will exists this have to change! */ static __maybe_unused struct nand_bch_priv bch_priv = { - .type = ECC_BCH8, .control = NULL };
@@ -342,6 +334,7 @@ static int omap_correct_data_bch(struct mtd_info *mtd, uint8_t *dat, uint32_t eccbytes = chip->ecc.bytes; uint32_t error_count = 0, error_max; uint32_t error_loc[8]; + enum bch_level bch_type; uint32_t i, ecc_flag = 0; uint8_t count, err = 0; uint32_t byte_pos, bit_pos; @@ -369,22 +362,22 @@ static int omap_correct_data_bch(struct mtd_info *mtd, uint8_t *dat, */ switch (bch->ecc_scheme) { case OMAP_ECC_BCH8_CODE_HW: + bch_type = BCH_8_BIT; omap_reverse_list(calc_ecc, eccbytes - 1); break; default: return -EINVAL; } /* use elm module to check for errors */ - elm_config((enum bch_level)(bch->type)); - if (elm_check_error(calc_ecc, (enum bch_level)bch->type, - &error_count, error_loc)) { + elm_config(bch_type); + if (elm_check_error(calc_ecc, bch_type, &error_count, error_loc)) { printf("nand: error: uncorrectable ECC errors\n"); return -EINVAL; } /* correct bch error */ for (count = 0; count < error_count; count++) { - switch (bch->type) { - case ECC_BCH8: + switch (bch->ecc_scheme) { + case OMAP_ECC_BCH8_CODE_HW: /* 14th byte in ECC is reserved to match ROM layout */ error_max = SECTOR_BYTES + (eccbytes - 1); break; @@ -562,7 +555,6 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, /* For this ecc-scheme, ecc.bytes, ecc.layout, ... are * initialized in nand_scan_tail(), so just set ecc.mode */ bch_priv.control = NULL; - bch_priv.type = 0; nand->ecc.mode = NAND_ECC_SOFT; nand->ecc.layout = NULL; nand->ecc.size = 0; @@ -578,7 +570,6 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, return -EINVAL; } bch_priv.control = NULL; - bch_priv.type = 0; /* populate ecc specific fields */ memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl)); nand->ecc.mode = NAND_ECC_HW; @@ -617,7 +608,6 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, printf("nand: error: could not init_bch()\n"); return -ENODEV; } - bch_priv.type = ECC_BCH8; /* populate ecc specific fields */ memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl)); nand->ecc.mode = NAND_ECC_HW; @@ -659,7 +649,6 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, } /* intialize ELM for ECC error detection */ elm_init(); - bch_priv.type = ECC_BCH8; /* populate ecc specific fields */ memset(&nand->ecc, 0, sizeof(struct nand_ecc_ctrl)); nand->ecc.mode = NAND_ECC_HW;