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authorArtem B. Bityuckiy <dedekind@infradead.org>2005-03-19 10:33:59 -0500
committerThomas Gleixner <tglx@mtd.linutronix.de>2005-05-23 06:59:33 -0400
commit515022870f0f648b9c506a285b1c7e92901dd37f (patch)
treea47bc31cb0593af093530a6ac69365962ab81308 /drivers/mtd/nand
parent167e1770e526c6c6cdff5014e32f5a3363c017f3 (diff)
[MTD] NAND nandsim: Use NAND_SKIP_BBT option
Use the new NAND_SKIP_BBT option instead of defining a fake scan_bbt handler. Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r--drivers/mtd/nand/nandsim.c41
1 files changed, 12 insertions, 29 deletions
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 13feefd7d8ca..754b6ed7ce14 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -22,7 +22,7 @@
22 * along with this program; if not, write to the Free Software 22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
24 * 24 *
25 * $Id: nandsim.c,v 1.7 2004/12/06 11:53:06 dedekind Exp $ 25 * $Id: nandsim.c,v 1.8 2005/03/19 15:33:56 dedekind Exp $
26 */ 26 */
27 27
28#include <linux/config.h> 28#include <linux/config.h>
@@ -1484,33 +1484,6 @@ ns_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
1484} 1484}
1485 1485
1486/* 1486/*
1487 * Having only NAND chip IDs we call nand_scan which detects NAND flash
1488 * parameters and then calls scan_bbt in order to scan/find/build the
1489 * NAND flash bad block table. But since at that moment the NAND flash
1490 * image isn't allocated in the simulator, errors arise. To avoid this
1491 * we redefine the scan_bbt callback and initialize the nandsim structure
1492 * before the flash media scanning.
1493 */
1494int ns_scan_bbt(struct mtd_info *mtd)
1495{
1496 struct nand_chip *chip = (struct nand_chip *)mtd->priv;
1497 struct nandsim *ns = (struct nandsim *)(chip->priv);
1498 int retval;
1499
1500 if (!NS_IS_INITIALIZED(ns))
1501 if ((retval = init_nandsim(mtd)) != 0) {
1502 NS_ERR("scan_bbt: can't initialize the nandsim structure\n");
1503 return retval;
1504 }
1505 if ((retval = nand_default_bbt(mtd)) != 0) {
1506 free_nandsim(ns);
1507 return retval;
1508 }
1509
1510 return 0;
1511}
1512
1513/*
1514 * Module initialization function 1487 * Module initialization function
1515 */ 1488 */
1516int __init ns_init_module(void) 1489int __init ns_init_module(void)
@@ -1544,7 +1517,6 @@ int __init ns_init_module(void)
1544 chip->hwcontrol = ns_hwcontrol; 1517 chip->hwcontrol = ns_hwcontrol;
1545 chip->read_byte = ns_nand_read_byte; 1518 chip->read_byte = ns_nand_read_byte;
1546 chip->dev_ready = ns_device_ready; 1519 chip->dev_ready = ns_device_ready;
1547 chip->scan_bbt = ns_scan_bbt;
1548 chip->write_byte = ns_nand_write_byte; 1520 chip->write_byte = ns_nand_write_byte;
1549 chip->write_buf = ns_nand_write_buf; 1521 chip->write_buf = ns_nand_write_buf;
1550 chip->read_buf = ns_nand_read_buf; 1522 chip->read_buf = ns_nand_read_buf;
@@ -1552,6 +1524,7 @@ int __init ns_init_module(void)
1552 chip->write_word = ns_nand_write_word; 1524 chip->write_word = ns_nand_write_word;
1553 chip->read_word = ns_nand_read_word; 1525 chip->read_word = ns_nand_read_word;
1554 chip->eccmode = NAND_ECC_SOFT; 1526 chip->eccmode = NAND_ECC_SOFT;
1527 chip->options |= NAND_SKIP_BBTSCAN;
1555 1528
1556 /* 1529 /*
1557 * Perform minimum nandsim structure initialization to handle 1530 * Perform minimum nandsim structure initialization to handle
@@ -1580,6 +1553,16 @@ int __init ns_init_module(void)
1580 goto error; 1553 goto error;
1581 } 1554 }
1582 1555
1556 if ((retval = init_nandsim(nsmtd)) != 0) {
1557 NS_ERR("scan_bbt: can't initialize the nandsim structure\n");
1558 goto error;
1559 }
1560
1561 if ((retval = nand_default_bbt(nsmtd)) != 0) {
1562 free_nandsim(nand);
1563 goto error;
1564 }
1565
1583 /* Register NAND as one big partition */ 1566 /* Register NAND as one big partition */
1584 add_mtd_partitions(nsmtd, &nand->part, 1); 1567 add_mtd_partitions(nsmtd, &nand->part, 1);
1585 1568