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authorRostislav Lisovy <lisovy@gmail.com>2014-10-22 13:40:44 +0200
committerScott Wood <scottwood@freescale.com>2014-11-26 19:51:51 -0600
commit35c204d8a9d036fdc2b139dd88212ca3e70ed6e1 (patch)
treedf6466f12b167b21ecdeeb7467915a1f188c113b /drivers/mtd/nand
parent85bafb6da4dddfffa78479aa49a72ae48578a4ce (diff)
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nand: reinstate lazy bad block scanning
Commit ff94bc40af3481d47546595ba73c136de6af6929 ("mtd, ubi, ubifs: resync with Linux-3.14") accidentally reverted part of the commit 13f0fd94e3cae6f8a0d9fba5d367e311edc8ebde ("NAND: Scan bad blocks lazily."). Reinstate the change as by commit fb49454b1b6c7c6e238ac3c0b1e302e73eb1a1ea ("nand: reinstate lazy bad block scanning") Signed-off-by: Rostislav Lisovy <lisovy@merica.cz> Acked-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/nand_base.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 0b6e7ee..70e780c 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -634,6 +634,11 @@ static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip,
{
struct nand_chip *chip = mtd->priv;
+ if (!(chip->options & NAND_BBT_SCANNED)) {
+ chip->scan_bbt(mtd);
+ chip->options |= NAND_BBT_SCANNED;
+ }
+
if (!chip->bbt)
return chip->block_bad(mtd, ofs, getchip);
@@ -4322,10 +4327,9 @@ int nand_scan_tail(struct mtd_info *mtd)
/* Check, if we should skip the bad block table scan */
if (chip->options & NAND_SKIP_BBTSCAN)
- return 0;
+ chip->options |= NAND_BBT_SCANNED;
- /* Build bad block table */
- return chip->scan_bbt(mtd);
+ return 0;
}
EXPORT_SYMBOL(nand_scan_tail);