3 files changed, 6 insertions, 52 deletions

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index a46e9bb847bd..bb2e24b2d6c4 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -410,10 +410,11 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
         else {
                 nand_get_device(chip, mtd, FL_WRITING);
 
-                /* Write to first two pages and to byte 1 and 6 if necessary.
-                 * If we write to more than one location, the first error
-                 * encountered quits the procedure. We write two bytes per
-                 * location, so we dont have to mess with 16 bit access.
+                /*
+                 * Write to first two pages if necessary. If we write to more
+                 * than one location, the first error encountered quits the
+                 * procedure. We write two bytes per location, so we dont have
+                 * to mess with 16 bit access.
                  */
                 do {
                         chip->ops.len = chip->ops.ooblen = 2;
@@ -423,11 +424,6 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
 
                         ret = nand_do_write_oob(mtd, ofs, &chip->ops);
 
-                        if (!ret && (chip->options & NAND_BBT_SCANBYTE1AND6)) {
-                                chip->ops.ooboffs = NAND_SMALL_BADBLOCK_POS
-                                        & ~0x01;
-                                ret = nand_do_write_oob(mtd, ofs, &chip->ops);
-                        }
                         i++;
                         ofs += mtd->writesize;
                 } while (!ret && (chip->options & NAND_BBT_SCAN2NDPAGE) &&
@@ -3131,16 +3127,6 @@ ident_done:
                          *maf_id == NAND_MFR_MICRON))
                 chip->options |= NAND_BBT_SCAN2NDPAGE;
 
-        /*
-         * Numonyx/ST 2K pages, x8 bus use BOTH byte 1 and 6
-         */
-        if (!(busw & NAND_BUSWIDTH_16) &&
-                        *maf_id == NAND_MFR_STMICRO &&
-                        mtd->writesize == 2048) {
-                chip->options |= NAND_BBT_SCANBYTE1AND6;
-                chip->badblockpos = 0;
-        }
-
         /* Check for AND chips with 4 page planes */
         if (chip->options & NAND_4PAGE_ARRAY)
                 chip->erase_cmd = multi_erase_cmd;
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index ccbeaa1e4a8e..5ffb9a4632ca 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -114,28 +114,6 @@ static int check_pattern(uint8_t *buf, int len, int paglen, struct nand_bbt_desc
                         return -1;
         }
 
-        /* Check both positions 1 and 6 for pattern? */
-        if (td->options & NAND_BBT_SCANBYTE1AND6) {
-                if (td->options & NAND_BBT_SCANEMPTY) {
-                        p += td->len;
-                        end += NAND_SMALL_BADBLOCK_POS - td->offs;
-                        /* Check region between positions 1 and 6 */
-                        for (i = 0; i < NAND_SMALL_BADBLOCK_POS - td->offs - td->len;
-                                        i++) {
-                                if (*p++ != 0xff)
-                                        return -1;
-                        }
-                }
-                else {
-                        p += NAND_SMALL_BADBLOCK_POS - td->offs;
-                }
-                /* Compare the pattern */
-                for (i = 0; i < td->len; i++) {
-                        if (p[i] != td->pattern[i])
-                                return -1;
-                }
-        }
-
         if (td->options & NAND_BBT_SCANEMPTY) {
                 p += td->len;
                 end += td->len;
@@ -167,13 +145,6 @@ static int check_short_pattern(uint8_t *buf, struct nand_bbt_descr *td)
                 if (p[td->offs + i] != td->pattern[i])
                         return -1;
         }
-        /* Need to check location 1 AND 6? */
-        if (td->options & NAND_BBT_SCANBYTE1AND6) {
-                for (i = 0; i < td->len; i++) {
-                        if (p[NAND_SMALL_BADBLOCK_POS + i] != td->pattern[i])
-                                return -1;
-                }
-        }
         return 0;
 }
 
@@ -1330,8 +1301,7 @@ static struct nand_bbt_descr bbt_mirror_no_bbt_descr = {
         .pattern = mirror_pattern
 };
 
-#define BBT_SCAN_OPTIONS (NAND_BBT_SCANLASTPAGE | NAND_BBT_SCAN2NDPAGE | \
-                NAND_BBT_SCANBYTE1AND6)
+#define BBT_SCAN_OPTIONS (NAND_BBT_SCANLASTPAGE | NAND_BBT_SCAN2NDPAGE)
 /**
  * nand_create_default_bbt_descr - [Internal] Creates a BBT descriptor structure
  * @this:       NAND chip to create descriptor for
diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index 57cc0e63714f..08ffa2193c07 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -98,8 +98,6 @@ struct nand_bbt_descr {
 #define NAND_BBT_SCAN2NDPAGE    0x00004000
 /* Search good / bad pattern on the last page of the eraseblock */
 #define NAND_BBT_SCANLASTPAGE   0x00008000
-/* Chip stores bad block marker on BOTH 1st and 6th bytes of OOB */
-#define NAND_BBT_SCANBYTE1AND6 0x00100000
 /* The nand_bbt_descr was created dynamicaly and must be freed */
 #define NAND_BBT_DYNAMICSTRUCT 0x00200000
 /* The bad block table does not OOB for marker */