diff options
| author | Rob Herring <r.herring@freescale.com> | 2009-09-16 11:43:45 -0500 |
|---|---|---|
| committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2010-02-12 17:19:14 +0100 |
| commit | 715d80c4bd425647accff0fafcd21c1b04118f58 (patch) | |
| tree | 6cd6f9c150c67602fa3d8d523df2183bee291335 | |
| parent | 70047629661fbead45f951c96ce327ee9655ce76 (diff) | |
nand: export symbols needed for stmp3xxx nand nand: increase max nand page and oob sizes
Signed-off-by: Rob Herring <r.herring@freescale.com>
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 10 | ||||
| -rw-r--r-- | include/linux/mtd/nand.h | 9 |
2 files changed, 13 insertions, 6 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 8c21b89d2d0c..472a08f55790 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -1090,7 +1090,7 @@ 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; @@ -1218,6 +1218,7 @@ 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 @@ -1800,7 +1801,7 @@ static uint8_t *nand_fill_oob(struct nand_chip *chip, uint8_t *oob, * * 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; @@ -1892,6 +1893,7 @@ 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); /** * nand_write - [MTD Interface] NAND write with ECC @@ -2281,6 +2283,7 @@ 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 @@ -2478,7 +2481,8 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, mtd->writesize = 1024 << (extid & 0x3); extid >>= 2; /* Calc oobsize */ - mtd->oobsize = (8 << (extid & 0x01)) * (mtd->writesize >> 9); + mtd->oobsize = (*maf_id == 0x2c && dev_id == 0xd5) ? + 218 : (8 << (extid & 0x01)) * (mtd->writesize >> 9); extid >>= 2; /* Calc blocksize. Blocksize is multiples of 64KiB */ mtd->erasesize = (64 * 1024) << (extid & 0x03); diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 4030ebada49e..993e86245d56 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -43,8 +43,8 @@ extern void nand_wait_ready(struct mtd_info *mtd); * is supported now. If you add a chip with bigger oobsize/page * adjust this accordingly. */ -#define NAND_MAX_OOBSIZE 128 -#define NAND_MAX_PAGESIZE 4096 +#define NAND_MAX_OOBSIZE (218 * NAND_MAX_CHIPS) +#define NAND_MAX_PAGESIZE (4096 * NAND_MAX_CHIPS) /* * Constants for hardware specific CLE/ALE/NCE function @@ -546,7 +546,10 @@ extern int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, int allowbbt); extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len, size_t * retlen, uint8_t * buf); - +extern int nand_do_read_ops(struct mtd_info *mtd, loff_t from, + struct mtd_oob_ops *ops); +extern int nand_do_write_ops(struct mtd_info *mtd, loff_t to, + struct mtd_oob_ops *ops); /* * Constants for oob configuration */ |