mtd: nand: edit macro flag for BBT scan of last page in block
NAND_BB_LAST_PAGE used to be in nand.h, but it pertained to bad block
management and so belongs next to NAND_BBT_SCAN2NDPAGE in bbm.h. Also,
its previous flag value (0x00000400) conflicted with NAND_BBT_SCANALLPAGES
so I changed its value to 0x00008000. All uses of the name were modified to
provide consistency with other "NAND_BBT_*" flags.
Signed-off-by: Brian Norris <norris@broadcom.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 4a7b864..e6cf9ae 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -347,7 +347,7 @@
struct nand_chip *chip = mtd->priv;
u16 bad;
- if (chip->options & NAND_BB_LAST_PAGE)
+ if (chip->options & NAND_BBT_SCANLASTPAGE)
ofs += mtd->erasesize - mtd->writesize;
page = (int)(ofs >> chip->page_shift) & chip->pagemask;
@@ -399,7 +399,7 @@
uint8_t buf[2] = { 0, 0 };
int block, ret;
- if (chip->options & NAND_BB_LAST_PAGE)
+ if (chip->options & NAND_BBT_SCANLASTPAGE)
ofs += mtd->erasesize - mtd->writesize;
/* Get block number */
@@ -2946,7 +2946,7 @@
if ((chip->cellinfo & NAND_CI_CELLTYPE_MSK) &&
(*maf_id == NAND_MFR_SAMSUNG ||
*maf_id == NAND_MFR_HYNIX))
- chip->options |= NAND_BB_LAST_PAGE;
+ chip->options |= NAND_BBT_SCANLASTPAGE;
/* Check for AND chips with 4 page planes */
if (chip->options & NAND_4PAGE_ARRAY)
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index ad97c0c..71d83be 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -432,7 +432,7 @@
from = (loff_t)startblock << (this->bbt_erase_shift - 1);
}
- if (this->options & NAND_BB_LAST_PAGE)
+ if (this->options & NAND_BBT_SCANLASTPAGE)
from += mtd->erasesize - (mtd->writesize * len);
for (i = startblock; i < numblocks;) {
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index 9c3757c..8ad0b86 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -82,6 +82,8 @@
#define NAND_BBT_SAVECONTENT 0x00002000
/* Search good / bad pattern on the first and the second page */
#define NAND_BBT_SCAN2NDPAGE 0x00004000
+/* Search good / bad pattern on the last page of the eraseblock */
+#define NAND_BBT_SCANLASTPAGE 0x00008000
/* The maximum number of blocks to scan for a bbt */
#define NAND_BBT_SCAN_MAXBLOCKS 4
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index a81b185..50f3aa0 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -181,8 +181,6 @@
#define NAND_NO_READRDY 0x00000100
/* Chip does not allow subpage writes */
#define NAND_NO_SUBPAGE_WRITE 0x00000200
-/* Chip stores bad block marker on the last page of the eraseblock */
-#define NAND_BB_LAST_PAGE 0x00000400
/* Device is one of 'new' xD cards that expose fake nand command set */
#define NAND_BROKEN_XD 0x00000400