chip points to mtd. Passing chip is enough to have a reference to mtd when is necessary
Signed-off-by: Michael Trimarchi michael@amarulasolutions.com --- V1->V2: - no changes --- drivers/mtd/nand/raw/nand_base.c | 20 +++++++++++--------- include/linux/mtd/rawnand.h | 3 +-- 2 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 3b9c78cb24..7d52372af5 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -4160,8 +4160,9 @@ static int nand_get_bits_per_cell(u8 cellinfo) * chip. The rest of the parameters must be decoded according to generic or * manufacturer-specific "extended ID" decoding patterns. */ -static void nand_decode_ext_id(struct mtd_info *mtd, struct nand_chip *chip) +static void nand_decode_ext_id(struct nand_chip *chip) { + struct mtd_info *mtd = &chip->mtd; int extid, id_len; /* The 3rd id byte holds MLC / multichip data */ chip->bits_per_cell = nand_get_bits_per_cell(chip->id.data[2]); @@ -4291,7 +4292,7 @@ static void nand_decode_ext_id(struct mtd_info *mtd, struct nand_chip *chip) * compliant and does not have a full-id or legacy-id entry in the nand_ids * table. */ -static void nand_manufacturer_detect(struct mtd_info *mtd, struct nand_chip *chip) +static void nand_manufacturer_detect(struct nand_chip *chip) { /* * Try manufacturer detection if available and use @@ -4301,7 +4302,7 @@ static void nand_manufacturer_detect(struct mtd_info *mtd, struct nand_chip *chi chip->manufacturer.desc->ops->detect) chip->manufacturer.desc->ops->detect(chip); else - nand_decode_ext_id(mtd, chip); + nand_decode_ext_id(chip); }
/* @@ -4324,9 +4325,10 @@ static int nand_manufacturer_init(struct nand_chip *chip) * decodes a matching ID table entry and assigns the MTD size parameters for * the chip. */ -static void nand_decode_id(struct mtd_info *mtd, struct nand_chip *chip, +static void nand_decode_id(struct nand_chip *chip, struct nand_flash_dev *type) { + struct mtd_info *mtd = &chip->mtd; int maf_id = chip->id.data[0];
mtd->erasesize = type->erasesize; @@ -4439,11 +4441,11 @@ static const struct nand_manufacturers *nand_get_manufacturer_desc(u8 id) /* * Get the flash and manufacturer id and lookup if the type is supported. */ -struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, - struct nand_chip *chip, +struct nand_flash_dev *nand_get_flash_type(struct nand_chip *chip, int *maf_id, int *dev_id, struct nand_flash_dev *type) { + struct mtd_info *mtd = &chip->mtd; const struct nand_manufacturers *manufacturer_desc; int busw, ret; u8 *id_data = chip->id.data; @@ -4539,9 +4541,9 @@ struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, chip->chipsize = (uint64_t)type->chipsize << 20;
if (!type->pagesize) { - nand_manufacturer_detect(mtd, chip); + nand_manufacturer_detect(chip); } else { - nand_decode_id(mtd, chip, type); + nand_decode_id(chip, type); }
/* Get chip options */ @@ -4731,7 +4733,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, nand_set_defaults(chip, chip->options & NAND_BUSWIDTH_16);
/* Read the flash type */ - type = nand_get_flash_type(mtd, chip, &nand_maf_id, + type = nand_get_flash_type(chip, &nand_maf_id, &nand_dev_id, table);
if (IS_ERR(type)) { diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 57fe7fb47b..d8141cb4d1 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -29,8 +29,7 @@ struct nand_flash_dev; struct device_node;
/* Get the flash and manufacturer id and lookup if the type is supported. */ -struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, - struct nand_chip *chip, +struct nand_flash_dev *nand_get_flash_type(struct nand_chip *chip, int *maf_id, int *dev_id, struct nand_flash_dev *type);