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yaml
---
r: 4826
b: refs/heads/master
c: 19870da
h: refs/heads/master
v: v3
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Thomas Gleixner authored and Thomas Gleixner committed Jul 16, 2005
1 parent 257c195 commit f7671f3
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Showing 3 changed files with 21 additions and 23 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 2c4eec9802ae753a4973f0a0d71f8d154e86fd31
refs/heads/master: 19870da7ea2fc483bf73a189046a430fd9b01391
22 changes: 11 additions & 11 deletions trunk/drivers/mtd/nand/nand_base.c
Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@
* The AG-AND chips have nice features for speed improvement,
* which are not supported yet. Read / program 4 pages in one go.
*
* $Id: nand_base.c,v 1.146 2005/06/17 15:02:06 gleixner Exp $
* $Id: nand_base.c,v 1.147 2005/07/15 07:18:06 gleixner Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
Expand Down Expand Up @@ -1409,16 +1409,6 @@ static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t
thislen = min_t(int, thislen, len);
this->read_buf(mtd, &buf[i], thislen);
i += thislen;

/* Apply delay or wait for ready/busy pin
* Do this before the AUTOINCR check, so no problems
* arise if a chip which does auto increment
* is marked as NOAUTOINCR by the board driver.
*/
if (!this->dev_ready)
udelay (this->chip_delay);
else
nand_wait_ready(mtd);

/* Read more ? */
if (i < len) {
Expand All @@ -1432,6 +1422,16 @@ static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t
this->select_chip(mtd, chipnr);
}

/* Apply delay or wait for ready/busy pin
* Do this before the AUTOINCR check, so no problems
* arise if a chip which does auto increment
* is marked as NOAUTOINCR by the board driver.
*/
if (!this->dev_ready)
udelay (this->chip_delay);
else
nand_wait_ready(mtd);

/* Check, if the chip supports auto page increment
* or if we have hit a block boundary.
*/
Expand Down
20 changes: 9 additions & 11 deletions trunk/drivers/mtd/nand/nand_bbt.c
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
*
* Copyright (C) 2004 Thomas Gleixner (tglx@linutronix.de)
*
* $Id: nand_bbt.c,v 1.33 2005/06/14 15:47:56 gleixner Exp $
* $Id: nand_bbt.c,v 1.35 2005/07/15 13:53:47 gleixner Exp $
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
Expand Down Expand Up @@ -109,24 +109,21 @@ static int check_pattern (uint8_t *buf, int len, int paglen, struct nand_bbt_des
/**
* check_short_pattern - [GENERIC] check if a pattern is in the buffer
* @buf: the buffer to search
* @len: the length of buffer to search
* @paglen: the pagelength
* @td: search pattern descriptor
*
* Check for a pattern at the given place. Used to search bad block
* tables and good / bad block identifiers. Same as check_pattern, but
* no optional empty check and the pattern is expected to start
* at offset 0.
* no optional empty check
*
*/
static int check_short_pattern (uint8_t *buf, int len, int paglen, struct nand_bbt_descr *td)
static int check_short_pattern (uint8_t *buf, struct nand_bbt_descr *td)
{
int i;
uint8_t *p = buf;

/* Compare the pattern */
for (i = 0; i < td->len; i++) {
if (p[i] != td->pattern[i])
if (p[td->offs + i] != td->pattern[i])
return -1;
}
return 0;
Expand Down Expand Up @@ -337,13 +334,14 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
if (!(bd->options & NAND_BBT_SCANEMPTY)) {
size_t retlen;

/* No need to read pages fully, just read required OOB bytes */
ret = mtd->read_oob(mtd, from + j * mtd->oobblock + bd->offs,
readlen, &retlen, &buf[0]);
/* Read the full oob until read_oob is fixed to
* handle single byte reads for 16 bit buswidth */
ret = mtd->read_oob(mtd, from + j * mtd->oobblock,
mtd->oobsize, &retlen, buf);
if (ret)
return ret;

if (check_short_pattern (&buf[j * scanlen], scanlen, mtd->oobblock, bd)) {
if (check_short_pattern (buf, bd)) {
this->bbt[i >> 3] |= 0x03 << (i & 0x6);
printk (KERN_WARNING "Bad eraseblock %d at 0x%08x\n",
i >> 1, (unsigned int) from);
Expand Down

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