diff options
Diffstat (limited to 'drivers/mtd/onenand')
| -rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 46 | ||||
| -rw-r--r-- | drivers/mtd/onenand/onenand_bbt.c | 7 |
2 files changed, 43 insertions, 10 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index a0d3f01..84ec40d 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -671,7 +671,7 @@ out: } /** - * onenand_read_oob - [MTD Interface] OneNAND read out-of-band + * onenand_do_read_oob - [MTD Interface] OneNAND read out-of-band * @param mtd MTD device structure * @param from offset to read from * @param len number of bytes to read @@ -680,8 +680,8 @@ out: * * OneNAND read out-of-band data from the spare area */ -static int onenand_read_oob(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf) +int onenand_do_read_oob(struct mtd_info *mtd, loff_t from, size_t len, + size_t *retlen, u_char *buf) { struct onenand_chip *this = mtd->priv; int read = 0, thislen, column; @@ -744,6 +744,21 @@ out: return ret; } +/** + * onenand_read_oob - [MTD Interface] NAND write data and/or out-of-band + * @mtd: MTD device structure + * @from: offset to read from + * @ops: oob operation description structure + */ +static int onenand_read_oob(struct mtd_info *mtd, loff_t from, + struct mtd_oob_ops *ops) +{ + BUG_ON(ops->mode != MTD_OOB_PLACE); + + return onenand_do_read_oob(mtd, from + ops->ooboffs, ops->len, + &ops->retlen, ops->oobbuf); +} + #ifdef CONFIG_MTD_ONENAND_VERIFY_WRITE /** * onenand_verify_oob - [GENERIC] verify the oob contents after a write @@ -894,7 +909,7 @@ out: } /** - * onenand_write_oob - [MTD Interface] OneNAND write out-of-band + * onenand_do_write_oob - [Internal] OneNAND write out-of-band * @param mtd MTD device structure * @param to offset to write to * @param len number of bytes to write @@ -903,8 +918,8 @@ out: * * OneNAND write out-of-band */ -static int onenand_write_oob(struct mtd_info *mtd, loff_t to, size_t len, - size_t *retlen, const u_char *buf) +static int onenand_do_write_oob(struct mtd_info *mtd, loff_t to, size_t len, + size_t *retlen, const u_char *buf) { struct onenand_chip *this = mtd->priv; int column, ret = 0; @@ -973,6 +988,21 @@ out: } /** + * onenand_write_oob - [MTD Interface] NAND write data and/or out-of-band + * @mtd: MTD device structure + * @from: offset to read from + * @ops: oob operation description structure + */ +static int onenand_write_oob(struct mtd_info *mtd, loff_t to, + struct mtd_oob_ops *ops) +{ + BUG_ON(ops->mode != MTD_OOB_PLACE); + + return onenand_do_write_oob(mtd, to + ops->ooboffs, ops->len, + &ops->retlen, ops->oobbuf); +} + +/** * onenand_block_checkbad - [GENERIC] Check if a block is marked bad * @param mtd MTD device structure * @param ofs offset from device start @@ -1138,7 +1168,7 @@ static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) /* We write two bytes, so we dont have to mess with 16 bit access */ ofs += mtd->oobsize + (bbm->badblockpos & ~0x01); - return mtd->write_oob(mtd, ofs , 2, &retlen, buf); + return onenand_do_write_oob(mtd, ofs , 2, &retlen, buf); } /** @@ -1328,7 +1358,7 @@ static int do_otp_lock(struct mtd_info *mtd, loff_t from, size_t len, this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); this->wait(mtd, FL_OTPING); - ret = mtd->write_oob(mtd, from, len, retlen, buf); + ret = onenand_do_write_oob(mtd, from, len, retlen, buf); /* Exit OTP access mode */ this->command(mtd, ONENAND_CMD_RESET, 0, 0); diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c index aafd7c2..1b00dac 100644 --- a/drivers/mtd/onenand/onenand_bbt.c +++ b/drivers/mtd/onenand/onenand_bbt.c @@ -17,6 +17,9 @@ #include <linux/mtd/onenand.h> #include <linux/mtd/compatmac.h> +extern int onenand_do_read_oob(struct mtd_info *mtd, loff_t from, size_t len, + size_t *retlen, u_char *buf); + /** * check_short_pattern - [GENERIC] check if a pattern is in the buffer * @param buf the buffer to search @@ -87,8 +90,8 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr /* No need to read pages fully, * just read required OOB bytes */ - ret = mtd->read_oob(mtd, from + j * mtd->writesize + bd->offs, - readlen, &retlen, &buf[0]); + ret = onenand_do_read_oob(mtd, from + j * mtd->writesize + bd->offs, + readlen, &retlen, &buf[0]); if (ret) return ret; |
