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mtd: cafe_nand: fix an & vs | mistake

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The intent here was clearly to set result to true if the 0x40000000 flag
was set.  But instead there was a | vs & typo and we always set result
to true.

Artem: check the spec at
wiki.laptop.org/images/5/5c/88ALP01_Datasheet_July_2007.pdf
and this fix looks correct.

Signed-off-by: Dan Carpenter <[email protected]>
Cc: [email protected]
Signed-off-by: Artem Bityutskiy <[email protected]>
Signed-off-by: David Woodhouse <[email protected]>
This commit is contained in:
Dan Carpenter 2012-06-09 19:08:25 +03:00 • committed by David Woodhouse
commit 48f8b64129
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/nand/cafe_nand.c
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@ -102,7 +102,7 @@ static const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL };
static int cafe_device_ready(struct mtd_info *mtd)
{
struct cafe_priv *cafe = mtd->priv;
int result = !!(cafe_readl(cafe, NAND_STATUS) | 0x40000000);
int result = !!(cafe_readl(cafe, NAND_STATUS) & 0x40000000);
uint32_t irqs = cafe_readl(cafe, NAND_IRQ);
cafe_writel(cafe, irqs, NAND_IRQ);