diff options
| author | Sneha Narnakaje <nsnehaprabha@ti.com> | 2009-09-18 23:51:46 +0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-09-19 22:13:47 +0400 |
| commit | 46a8cf2df2232c0051f29716ff8a166ebeb08daf (patch) | |
| tree | ea7073f16c03f271cf7352c676a4604d31348deb /drivers/mtd/nand/nand_base.c | |
| parent | 778dbcc1ebea6f9a560020110987449bf4607e5f (diff) | |
| download | linux-46a8cf2df2232c0051f29716ff8a166ebeb08daf.tar.xz | |
mtd: nand: add "page" parameter to all read_page/read_page_raw APIs
This patch adds a new "page" parameter to all NAND read_page/read_page_raw
APIs. The read_page API for the new mode ECC_HW_OOB_FIRST requires the
page information to send the READOOB command and read the OOB area before
the data area.
Reviewed-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Sneha Narnakaje <nsnehaprabha@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 4c5e8a74e1b2..17bbd5062027 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -765,7 +765,7 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *chip) * Not for syndrome calculating ecc controllers, which use a special oob layout */ static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, - uint8_t *buf) + uint8_t *buf, int page) { chip->read_buf(mtd, buf, mtd->writesize); chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); @@ -781,7 +781,7 @@ static int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, * We need a special oob layout and handling even when OOB isn't used. */ static int nand_read_page_raw_syndrome(struct mtd_info *mtd, struct nand_chip *chip, - uint8_t *buf) + uint8_t *buf, int page) { int eccsize = chip->ecc.size; int eccbytes = chip->ecc.bytes; @@ -820,7 +820,7 @@ static int nand_read_page_raw_syndrome(struct mtd_info *mtd, struct nand_chip *c * @buf: buffer to store read data */ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip, - uint8_t *buf) + uint8_t *buf, int page) { int i, eccsize = chip->ecc.size; int eccbytes = chip->ecc.bytes; @@ -830,7 +830,7 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *ecc_code = chip->buffers->ecccode; uint32_t *eccpos = chip->ecc.layout->eccpos; - chip->ecc.read_page_raw(mtd, chip, buf); + chip->ecc.read_page_raw(mtd, chip, buf, page); for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) chip->ecc.calculate(mtd, p, &ecc_calc[i]); @@ -943,7 +943,7 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, uint3 * Not for syndrome calculating ecc controllers which need a special oob layout */ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, - uint8_t *buf) + uint8_t *buf, int page) { int i, eccsize = chip->ecc.size; int eccbytes = chip->ecc.bytes; @@ -988,7 +988,7 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, * we need a special oob layout and handling. */ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip, - uint8_t *buf) + uint8_t *buf, int page) { int i, eccsize = chip->ecc.size; int eccbytes = chip->ecc.bytes; @@ -1130,11 +1130,13 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from, /* Now read the page into the buffer */ if (unlikely(ops->mode == MTD_OOB_RAW)) - ret = chip->ecc.read_page_raw(mtd, chip, bufpoi); + ret = chip->ecc.read_page_raw(mtd, chip, + bufpoi, page); else if (!aligned && NAND_SUBPAGE_READ(chip) && !oob) ret = chip->ecc.read_subpage(mtd, chip, col, bytes, bufpoi); else - ret = chip->ecc.read_page(mtd, chip, bufpoi); + ret = chip->ecc.read_page(mtd, chip, bufpoi, + page); if (ret < 0) break; |