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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-21 12:47:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-21 12:47:05 -0700 |
| commit | 69b26c7ad00fd5b6129400725e2ffb95134a0e1b (patch) | |
| tree | 1986375f189313cc5a32560663c635e9110588c9 | |
| parent | ddb0c5a689c857bb13a42d9a3f0a7604497b3a29 (diff) | |
| parent | cfe3fdadb16162327773ef01a575a32000b8c7f4 (diff) | |
| download | linux-69b26c7ad00fd5b6129400725e2ffb95134a0e1b.tar.bz2 | |
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6:
mtd: nand: Fix probe of Samsung NAND chips
mtd: nand: Fix regression in BBM detection
pxa3xx: fix ns2cycle equation
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 11 | ||||
| -rw-r--r-- | drivers/mtd/nand/pxa3xx_nand.c | 2 |
2 files changed, 5 insertions, 8 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index a3c7473dd409..d551ddd9537a 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2866,6 +2866,7 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, */ if (id_data[0] == id_data[6] && id_data[1] == id_data[7] && id_data[0] == NAND_MFR_SAMSUNG && + (chip->cellinfo & NAND_CI_CELLTYPE_MSK) && id_data[5] != 0x00) { /* Calc pagesize */ mtd->writesize = 2048 << (extid & 0x03); @@ -2934,14 +2935,10 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, chip->chip_shift = ffs((unsigned)(chip->chipsize >> 32)) + 32 - 1; /* Set the bad block position */ - if (!(busw & NAND_BUSWIDTH_16) && (*maf_id == NAND_MFR_STMICRO || - (*maf_id == NAND_MFR_SAMSUNG && - mtd->writesize == 512) || - *maf_id == NAND_MFR_AMD)) - chip->badblockpos = NAND_SMALL_BADBLOCK_POS; - else + if (mtd->writesize > 512 || (busw & NAND_BUSWIDTH_16)) chip->badblockpos = NAND_LARGE_BADBLOCK_POS; - + else + chip->badblockpos = NAND_SMALL_BADBLOCK_POS; /* Get chip options, preserve non chip based options */ chip->options &= ~NAND_CHIPOPTIONS_MSK; diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index e02fa4f0e3c9..4d89f3780207 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -363,7 +363,7 @@ static struct pxa3xx_nand_flash *builtin_flash_types[] = { #define tAR_NDTR1(r) (((r) >> 0) & 0xf) /* convert nano-seconds to nand flash controller clock cycles */ -#define ns2cycle(ns, clk) (int)(((ns) * (clk / 1000000) / 1000) - 1) +#define ns2cycle(ns, clk) (int)((ns) * (clk / 1000000) / 1000) /* convert nand flash controller clock cycles to nano-seconds */ #define cycle2ns(c, clk) ((((c) + 1) * 1000000 + clk / 500) / (clk / 1000)) |