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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-07-10 19:16:43 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-07-10 19:16:43 +1000
commit50bba07d6a16ce4a3b4f6abb44bfd3645c046ef6 (patch)
treec76f080377dd611857fa33f38a2b8a2af4576f8b /drivers/mtd
parenta8b91e43afd736fcebb0836359e5ddaeae45b2ab (diff)
parent50fb31cfed9218b439360caf7c0399b00042da15 (diff)
Merge branch 'merge' into next
We want to bring in the latest IRQ fixes
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/cafe_nand.c2
-rw-r--r--drivers/mtd/nand/nand_base.c7
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index 41371ba1a811..f3f6cfedd69e 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -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);
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d47586cf64ce..a11253a0fcab 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -3501,6 +3501,13 @@ int nand_scan_tail(struct mtd_info *mtd)
/* propagate ecc info to mtd_info */
mtd->ecclayout = chip->ecc.layout;
mtd->ecc_strength = chip->ecc.strength;
+ /*
+ * Initialize bitflip_threshold to its default prior scan_bbt() call.
+ * scan_bbt() might invoke mtd_read(), thus bitflip_threshold must be
+ * properly set.
+ */
+ if (!mtd->bitflip_threshold)
+ mtd->bitflip_threshold = mtd->ecc_strength;
/* Check, if we should skip the bad block table scan */
if (chip->options & NAND_SKIP_BBTSCAN)