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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-21 12:47:05 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-21 12:47:05 -0700
commit69b26c7ad00fd5b6129400725e2ffb95134a0e1b (patch)
tree1986375f189313cc5a32560663c635e9110588c9
parentddb0c5a689c857bb13a42d9a3f0a7604497b3a29 (diff)
parentcfe3fdadb16162327773ef01a575a32000b8c7f4 (diff)
downloadlinux-stericsson-69b26c7ad00fd5b6129400725e2ffb95134a0e1b.tar.gz
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.c11
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c2
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))