NAND: Really ignore bad blocks when scrubbing
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Detlev Zundel <dzu@denx.de>
[scottwood@freescale.com: use chip instead of redundant priv_nand]
Signed-off-by: Scott Wood <scottwood@freescale.com>
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index e7dfcb1..6aac6a2 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2224,7 +2224,7 @@
/*
* heck if we have a bad block, we do not erase bad blocks !
*/
- if (nand_block_checkbad(mtd, ((loff_t) page) <<
+ if (!instr->scrub && nand_block_checkbad(mtd, ((loff_t) page) <<
chip->page_shift, 0, allowbbt)) {
printk(KERN_WARNING "nand_erase: attempt to erase a "
"bad block at page 0x%08x\n", page);
diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c
index 81bf366..60c778e 100644
--- a/drivers/mtd/nand/nand_util.c
+++ b/drivers/mtd/nand/nand_util.c
@@ -57,12 +57,6 @@
#define cpu_to_je16(x) (x)
#define cpu_to_je32(x) (x)
-/*****************************************************************************/
-static int nand_block_bad_scrub(struct mtd_info *mtd, loff_t ofs, int getchip)
-{
- return 0;
-}
-
/**
* nand_erase_opts: - erase NAND flash with support for various options
* (jffs2 formating)
@@ -82,7 +76,6 @@
int bbtest = 1;
int result;
int percent_complete = -1;
- int (*nand_block_bad_old)(struct mtd_info *, loff_t, int) = NULL;
const char *mtd_device = meminfo->name;
struct mtd_oob_ops oob_opts;
struct nand_chip *chip = meminfo->priv;
@@ -110,17 +103,15 @@
* and disable bad block table while erasing.
*/
if (opts->scrub) {
- struct nand_chip *priv_nand = meminfo->priv;
-
- nand_block_bad_old = priv_nand->block_bad;
- priv_nand->block_bad = nand_block_bad_scrub;
- /* we don't need the bad block table anymore...
+ erase.scrub = opts->scrub;
+ /*
+ * We don't need the bad block table anymore...
* after scrub, there are no bad blocks left!
*/
- if (priv_nand->bbt) {
- kfree(priv_nand->bbt);
+ if (chip->bbt) {
+ kfree(chip->bbt);
}
- priv_nand->bbt = NULL;
+ chip->bbt = NULL;
}
for (erased_length = 0;
@@ -204,12 +195,8 @@
if (!opts->quiet)
printf("\n");
- if (nand_block_bad_old) {
- struct nand_chip *priv_nand = meminfo->priv;
-
- priv_nand->block_bad = nand_block_bad_old;
- priv_nand->scan_bbt(meminfo);
- }
+ if (opts->scrub)
+ chip->scan_bbt(meminfo);
return 0;
}