diff options
| author | Roshni Shah <shah.roshni@yahoo.com> | 2011-03-14 06:49:42 -0400 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2012-03-02 16:59:46 -0500 |
| commit | 2731b2eadeaa141e6f305fa8086106608112bbaa (patch) | |
| tree | 2702d45bac84073cd580ccb1bd3eafb9a000d3b6 /drivers/mtd/nand/nand_base.c | |
| parent | 6d23f5084c975be637f7d748db82116bf84d3872 (diff) | |
Add support for the i.MX53 QSB2.6.35.3-mx53-early-201103141049
This patch seems to have originated from the 11.01.00 release
from Freescale, which is no longer available except through the
gitweb interface from Freescale.
http://opensource.freescale.com/git?p=imx/linux-2.6-imx.git;a=commit;h=27fdf7bae11978d21e8aba09bb635f49b07edd4a
Diffstat (limited to 'drivers/mtd/nand/nand_base.c')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 4a7b86423ee9..3a8216bbf838 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -1424,7 +1424,7 @@ static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob, * * Internal function. Called with chip held. */ -static int nand_do_read_ops(struct mtd_info *mtd, loff_t from, +int nand_do_read_ops(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops) { int chipnr, page, realpage, col, bytes, aligned; @@ -1553,6 +1553,7 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from, return mtd->ecc_stats.corrected - stats.corrected ? -EUCLEAN : 0; } +EXPORT_SYMBOL(nand_do_read_ops); /** * nand_read - [MTD Interface] MTD compability function for nand_do_read_ecc @@ -2133,7 +2134,7 @@ static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob, size_t len, * * NAND write with ECC */ -static int nand_do_write_ops(struct mtd_info *mtd, loff_t to, +int nand_do_write_ops(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops) { int chipnr, realpage, page, blockmask, column; @@ -2237,6 +2238,7 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to, ops->oobretlen = ops->ooblen; return ret; } +EXPORT_SYMBOL(nand_do_write_ops); /** * panic_nand_write - [MTD Interface] NAND write with ECC @@ -2584,6 +2586,12 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, instr->state = MTD_ERASE_FAILED; instr->fail_addr = ((loff_t)page << chip->page_shift); + + if (chip->bbt) { + int i = (page / pages_per_block) << 1; + chip->bbt[i >> 3] |= 0x03 << (i & 0x6); + mtd->ecc_stats.badblocks++; + } goto erase_exit; } @@ -2649,6 +2657,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, /* Return more or less happy */ return ret; } +EXPORT_SYMBOL_GPL(nand_erase_nand); /** * nand_sync - [MTD Interface] sync @@ -2834,8 +2843,10 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, chip->chipsize = (uint64_t)type->chipsize << 20; - /* Newer devices have all the information in additional id bytes */ - if (!type->pagesize) { + if (!type->pagesize && chip->init_size) { + /* set the pagesize, oobsize, erasesize by the driver*/ + busw = chip->init_size(mtd, chip, id_data); + } else if (!type->pagesize) { int extid; /* The 3rd id byte holds MLC / multichip data */ chip->cellinfo = id_data[2]; |