diff options
| -rw-r--r-- | drivers/mtd/nand/cafe_nand.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/diskonchip.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/docg4.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 41 | ||||
| -rw-r--r-- | include/linux/mtd/nand.h | 2 |
5 files changed, 23 insertions, 26 deletions
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c index aa1a616b9fb6..e553aff68987 100644 --- a/drivers/mtd/nand/cafe_nand.c +++ b/drivers/mtd/nand/cafe_nand.c @@ -537,7 +537,7 @@ static int cafe_nand_write_page_lowlevel(struct mtd_info *mtd, return 0; } -static int cafe_nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) +static int cafe_nand_block_bad(struct mtd_info *mtd, loff_t ofs) { return 0; } diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c index f170f3c31b34..547c1002941d 100644 --- a/drivers/mtd/nand/diskonchip.c +++ b/drivers/mtd/nand/diskonchip.c @@ -794,7 +794,7 @@ static int doc200x_dev_ready(struct mtd_info *mtd) } } -static int doc200x_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) +static int doc200x_block_bad(struct mtd_info *mtd, loff_t ofs) { /* This is our last resort if we couldn't find or create a BBT. Just pretend all blocks are good. */ diff --git a/drivers/mtd/nand/docg4.c b/drivers/mtd/nand/docg4.c index fb46fd7e056b..d86a60e1bbcb 100644 --- a/drivers/mtd/nand/docg4.c +++ b/drivers/mtd/nand/docg4.c @@ -1120,7 +1120,7 @@ static int docg4_block_markbad(struct mtd_info *mtd, loff_t ofs) return ret; } -static int docg4_block_neverbad(struct mtd_info *mtd, loff_t ofs, int getchip) +static int docg4_block_neverbad(struct mtd_info *mtd, loff_t ofs) { /* only called when module_param ignore_badblocks is set */ return 0; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 191e4f75a513..d49b01df3513 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -317,9 +317,9 @@ static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len) * * Check, if the block is bad. */ -static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) +static int nand_block_bad(struct mtd_info *mtd, loff_t ofs) { - int page, chipnr, res = 0, i = 0; + int page, res = 0, i = 0; struct nand_chip *chip = mtd_to_nand(mtd); u16 bad; @@ -328,15 +328,6 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) page = (int)(ofs >> chip->page_shift) & chip->pagemask; - if (getchip) { - chipnr = (int)(ofs >> chip->chip_shift); - - nand_get_device(mtd, FL_READING); - - /* Select the NAND device */ - chip->select_chip(mtd, chipnr); - } - do { if (chip->options & NAND_BUSWIDTH_16) { chip->cmdfunc(mtd, NAND_CMD_READOOB, @@ -361,11 +352,6 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) i++; } while (!res && i < 2 && (chip->bbt_options & NAND_BBT_SCAN2NDPAGE)); - if (getchip) { - chip->select_chip(mtd, -1); - nand_release_device(mtd); - } - return res; } @@ -503,19 +489,17 @@ static int nand_block_isreserved(struct mtd_info *mtd, loff_t ofs) * nand_block_checkbad - [GENERIC] Check if a block is marked bad * @mtd: MTD device structure * @ofs: offset from device start - * @getchip: 0, if the chip is already selected * @allowbbt: 1, if its allowed to access the bbt area * * Check, if the block is bad. Either by reading the bad block table or * calling of the scan function. */ -static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip, - int allowbbt) +static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int allowbbt) { struct nand_chip *chip = mtd_to_nand(mtd); if (!chip->bbt) - return chip->block_bad(mtd, ofs, getchip); + return chip->block_bad(mtd, ofs); /* Return info from the table */ return nand_isbad_bbt(mtd, ofs, allowbbt); @@ -2949,7 +2933,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, while (len) { /* Check if we have a bad block, we do not erase bad blocks! */ if (nand_block_checkbad(mtd, ((loff_t) page) << - chip->page_shift, 0, allowbbt)) { + chip->page_shift, allowbbt)) { pr_warn("%s: attempt to erase a bad block at page 0x%08x\n", __func__, page); instr->state = MTD_ERASE_FAILED; @@ -3036,7 +3020,20 @@ static void nand_sync(struct mtd_info *mtd) */ static int nand_block_isbad(struct mtd_info *mtd, loff_t offs) { - return nand_block_checkbad(mtd, offs, 1, 0); + struct nand_chip *chip = mtd_to_nand(mtd); + int chipnr = (int)(offs >> chip->chip_shift); + int ret; + + /* Select the NAND device */ + nand_get_device(mtd, FL_READING); + chip->select_chip(mtd, chipnr); + + ret = nand_block_checkbad(mtd, offs, 0); + + chip->select_chip(mtd, -1); + nand_release_device(mtd); + + return ret; } /** diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 7604f4be3386..56574ba36555 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -672,7 +672,7 @@ struct nand_chip { void (*write_buf)(struct mtd_info *mtd, const uint8_t *buf, int len); void (*read_buf)(struct mtd_info *mtd, uint8_t *buf, int len); void (*select_chip)(struct mtd_info *mtd, int chip); - int (*block_bad)(struct mtd_info *mtd, loff_t ofs, int getchip); + int (*block_bad)(struct mtd_info *mtd, loff_t ofs); int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); void (*cmd_ctrl)(struct mtd_info *mtd, int dat, unsigned int ctrl); int (*dev_ready)(struct mtd_info *mtd); |