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Commit 6943f8af authored by David Woodhouse's avatar David Woodhouse
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[MTD NAND] Reduce paranoia level when scanning for bad blocks on virgin chips 



We were scanning for 0xFF through the entire chip -- which takes a while
when it's a 512MiB device as I have on my current toy. The specs only say
we need to check certain bytes -- so do only that.

Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
parent 9d75414b

drivers/mtd/nand/nand_bbt.c

+2 −2
Original line number Diff line number Diff line
@@ -981,14 +981,14 @@ static struct nand_bbt_descr largepage_memorybased = { 
};



static struct nand_bbt_descr smallpage_flashbased = {

	.options = NAND_BBT_SCANEMPTY | NAND_BBT_SCANALLPAGES,

	.options = NAND_BBT_SCAN2NDPAGE,

	.offs = 5,

	.len = 1,

	.pattern = scan_ff_pattern

};



static struct nand_bbt_descr largepage_flashbased = {

	.options = NAND_BBT_SCANEMPTY | NAND_BBT_SCANALLPAGES,

	.options = NAND_BBT_SCAN2NDPAGE,

	.offs = 0,

	.len = 2,

	.pattern = scan_ff_pattern