---

yaml
---
r: 274750
b: refs/heads/master
c: a0dc552
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1c3bd14bb0e10ce69761662d575d454f12070838
+refs/heads/master: a0dc552951dcbb2b28a8a2ffb5fa966613e8c025

trunk/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 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
 			 *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;

trunk/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

trunk/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 */