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author | Kyungmin Park <kyungmin.park@samsung.com> | 2007-08-30 09:36:05 +0900 |
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committer | David Woodhouse <dwmw2@infradead.org> | 2007-08-30 01:46:28 +0100 |
commit | 12f77c9eed0d2a9f598500d9c1e3dd48883f1d0c (patch) | |
tree | 7da885d6810839fdd0da838c7dbad23da486fa54 /drivers/mtd/onenand | |
parent | e208520ed664db0f7584048ae09e5d2afda43714 (diff) | |
download | op-kernel-dev-12f77c9eed0d2a9f598500d9c1e3dd48883f1d0c.zip op-kernel-dev-12f77c9eed0d2a9f598500d9c1e3dd48883f1d0c.tar.gz |
[MTD] [OneNAND] Use mtd_oob_ops at oob functions
To enable the main read/write at oob ops
Next time we will commit the main read/write support for yaffs2
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd/onenand')
-rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 7d194cf..45bc143 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -921,17 +921,22 @@ static int onenand_transfer_auto_oob(struct mtd_info *mtd, uint8_t *buf, int col * * OneNAND read out-of-band data from the spare area */ -static int onenand_do_read_oob(struct mtd_info *mtd, loff_t from, size_t len, - size_t *retlen, u_char *buf, mtd_oob_mode_t mode) +static int onenand_do_read_oob(struct mtd_info *mtd, loff_t from, + struct mtd_oob_ops *ops) { struct onenand_chip *this = mtd->priv; int read = 0, thislen, column, oobsize; + size_t len = ops->ooblen; + mtd_oob_mode_t mode = ops->mode; + u_char *buf = ops->oobbuf; int ret = 0; + from += ops->ooboffs; + DEBUG(MTD_DEBUG_LEVEL3, "onenand_read_oob: from = 0x%08x, len = %i\n", (unsigned int) from, (int) len); /* Initialize return length value */ - *retlen = 0; + ops->oobretlen = 0; if (mode == MTD_OOB_AUTO) oobsize = this->ecclayout->oobavail; @@ -997,7 +1002,7 @@ static int onenand_do_read_oob(struct mtd_info *mtd, loff_t from, size_t len, /* Deselect and wake up anyone waiting on the device */ onenand_release_device(mtd); - *retlen = read; + ops->oobretlen = read; return ret; } @@ -1019,8 +1024,7 @@ static int onenand_read_oob(struct mtd_info *mtd, loff_t from, default: return -EINVAL; } - return onenand_do_read_oob(mtd, from + ops->ooboffs, ops->ooblen, - &ops->oobretlen, ops->oobbuf, ops->mode); + return onenand_do_read_oob(mtd, from, ops); } /** @@ -1370,18 +1374,23 @@ static int onenand_fill_auto_oob(struct mtd_info *mtd, u_char *oob_buf, * * OneNAND write out-of-band */ -static int onenand_do_write_oob(struct mtd_info *mtd, loff_t to, size_t len, - size_t *retlen, const u_char *buf, mtd_oob_mode_t mode) +static int onenand_do_write_oob(struct mtd_info *mtd, loff_t to, + struct mtd_oob_ops *ops) { struct onenand_chip *this = mtd->priv; int column, ret = 0, oobsize; int written = 0; u_char *oobbuf; + size_t len = ops->ooblen; + const u_char *buf = ops->oobbuf; + mtd_oob_mode_t mode = ops->mode; + + to += ops->ooboffs; DEBUG(MTD_DEBUG_LEVEL3, "onenand_write_oob: to = 0x%08x, len = %i\n", (unsigned int) to, (int) len); /* Initialize retlen, in case of early exit */ - *retlen = 0; + ops->oobretlen = 0; if (mode == MTD_OOB_AUTO) oobsize = this->ecclayout->oobavail; @@ -1464,7 +1473,7 @@ static int onenand_do_write_oob(struct mtd_info *mtd, loff_t to, size_t len, /* Deselect and wake up anyone waiting on the device */ onenand_release_device(mtd); - *retlen = written; + ops->oobretlen = written; return ret; } @@ -1487,8 +1496,7 @@ static int onenand_write_oob(struct mtd_info *mtd, loff_t to, default: return -EINVAL; } - return onenand_do_write_oob(mtd, to + ops->ooboffs, ops->ooblen, - &ops->oobretlen, ops->oobbuf, ops->mode); + return onenand_do_write_oob(mtd, to, ops); } /** @@ -1646,7 +1654,12 @@ static int onenand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) struct onenand_chip *this = mtd->priv; struct bbm_info *bbm = this->bbm; u_char buf[2] = {0, 0}; - size_t retlen; + struct mtd_oob_ops ops = { + .mode = MTD_OOB_PLACE, + .ooblen = 2, + .oobbuf = buf, + .ooboffs = 0, + }; int block; /* Get block number */ @@ -1656,7 +1669,7 @@ 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 onenand_do_write_oob(mtd, ofs , 2, &retlen, buf, MTD_OOB_PLACE); + return onenand_do_write_oob(mtd, ofs, &ops); } /** @@ -1945,13 +1958,21 @@ static int do_otp_lock(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) { struct onenand_chip *this = mtd->priv; + struct mtd_oob_ops ops = { + .mode = MTD_OOB_PLACE, + .ooblen = len, + .oobbuf = buf, + .ooboffs = 0, + }; int ret; /* Enter OTP access mode */ this->command(mtd, ONENAND_CMD_OTP_ACCESS, 0, 0); this->wait(mtd, FL_OTPING); - ret = onenand_do_write_oob(mtd, from, len, retlen, buf, MTD_OOB_PLACE); + ret = onenand_do_write_oob(mtd, from, &ops); + + *retlen = ops.oobretlen; /* Exit OTP access mode */ this->command(mtd, ONENAND_CMD_RESET, 0, 0); |