diff options
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 80a76654d963..0a54d003ef34 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -155,7 +155,7 @@ static u16 nand_read_word(struct mtd_info *mtd) /** * nand_select_chip - [DEFAULT] control CE line * @mtd: MTD device structure - * @chip: chipnumber to select, -1 for deselect + * @chipnr: chipnumber to select, -1 for deselect * * Default select function for 1 chip devices. */ @@ -542,7 +542,6 @@ static void nand_command(struct mtd_info *mtd, unsigned int command, * Send command to NAND device. This is the version for the new large page * devices We dont have the separate regions as we have in the small page * devices. We must emulate NAND_CMD_READOOB to keep the code compatible. - * */ static void nand_command_lp(struct mtd_info *mtd, unsigned int command, int column, int page_addr) @@ -656,7 +655,7 @@ static void nand_command_lp(struct mtd_info *mtd, unsigned int command, /** * nand_get_device - [GENERIC] Get chip for selected access - * @this: the nand chip descriptor + * @chip: the nand chip descriptor * @mtd: MTD device structure * @new_state: the state which is requested * @@ -696,13 +695,12 @@ nand_get_device(struct nand_chip *chip, struct mtd_info *mtd, int new_state) /** * nand_wait - [DEFAULT] wait until the command is done * @mtd: MTD device structure - * @this: NAND chip structure + * @chip: NAND chip structure * * Wait for command done. This applies to erase and program only * Erase can take up to 400ms and program up to 20ms according to * general NAND and SmartMedia specs - * -*/ + */ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip) { @@ -896,6 +894,7 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip, /** * nand_transfer_oob - [Internal] Transfer oob to client buffer * @chip: nand chip structure + * @oob: oob destination address * @ops: oob ops structure */ static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob, @@ -946,6 +945,7 @@ static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob, * * @mtd: MTD device structure * @from: offset to read from + * @ops: oob ops structure * * Internal function. Called with chip held. */ @@ -1093,9 +1093,10 @@ static int nand_read(struct mtd_info *mtd, loff_t from, size_t len, ret = nand_do_read_ops(mtd, from, &chip->ops); + *retlen = chip->ops.retlen; + nand_release_device(mtd); - *retlen = chip->ops.retlen; return ret; } @@ -1203,7 +1204,7 @@ static int nand_write_oob_syndrome(struct mtd_info *mtd, pos = steps * (eccsize + chunk); steps = 0; } else - pos = eccsize + chunk; + pos = eccsize; chip->cmdfunc(mtd, NAND_CMD_SEQIN, pos, page); for (i = 0; i < steps; i++) { @@ -1566,7 +1567,7 @@ static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob, bytes = min_t(size_t, len, free->length); boffs = free->offset; } - memcpy(chip->oob_poi + woffs, oob, bytes); + memcpy(chip->oob_poi + boffs, oob, bytes); oob += bytes; } return oob; @@ -1691,9 +1692,10 @@ static int nand_write(struct mtd_info *mtd, loff_t to, size_t len, ret = nand_do_write_ops(mtd, to, &chip->ops); + *retlen = chip->ops.retlen; + nand_release_device(mtd); - *retlen = chip->ops.retlen; return ret; } @@ -1760,7 +1762,7 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, /** * nand_write_oob - [MTD Interface] NAND write data and/or out-of-band * @mtd: MTD device structure - * @from: offset to read from + * @to: offset to write to * @ops: oob operation description structure */ static int nand_write_oob(struct mtd_info *mtd, loff_t to, @@ -2055,7 +2057,7 @@ static void nand_sync(struct mtd_info *mtd) /** * nand_block_isbad - [MTD Interface] Check if block at offset is bad * @mtd: MTD device structure - * @ofs: offset relative to mtd start + * @offs: offset relative to mtd start */ static int nand_block_isbad(struct mtd_info *mtd, loff_t offs) { |