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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-10-20 22:02:41 +0900
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-10-20 22:02:41 +0900
commit1cc523999e0acd0c21f83bf89b7a44b4ab6f7bd8 (patch)
treef61d7d49c44b57d2373596337ee1d3bbb4bb5b66 /drivers/mtd/nand
parent6f4e137e9af8745ccaddaf5dcb037a1175089e1c (diff)
Revert "mtd: mxc_nand: fix 2KiB pagesize NAND on i.MX27"
This reverts commit 71b7d0d90d536ae4e70929cc59a1a9f6ba457c6c. The problem which that commit attempted to fix was a bootloader issue, which had been misunderstood. The 'fix' causes lots of false bad blocks for existing users with sane firmware. Thanks to Mathieu Berland for diagnosing the problem coherently. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/mxc_nand.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index ef3e1998b59..06c531485df 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -857,17 +857,6 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
}
}
-/* Define some generic bad / good block scan pattern which are used
- * while scanning a device for factory marked good / bad blocks. */
-static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
-
-static struct nand_bbt_descr smallpage_memorybased = {
- .options = NAND_BBT_SCAN2NDPAGE,
- .offs = 5,
- .len = 1,
- .pattern = scan_ff_pattern
-};
-
static int __init mxcnd_probe(struct platform_device *pdev)
{
struct nand_chip *this;
@@ -984,10 +973,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
goto escan;
}
- if (mtd->writesize == 2048) {
- host->pagesize_2k = 1;
- this->badblock_pattern = &smallpage_memorybased;
- }
+ host->pagesize_2k = (mtd->writesize == 2048) ? 1 : 0;
if (this->ecc.mode == NAND_ECC_HW) {
switch (mtd->oobsize) {