Merge master.kernel.org:/pub/scm/linux/kernel/git/tglx/mtd-2.6

Some manual fixups for clashing kfree() cleanups etc.

17 files changed, 849 insertions, 765 deletions

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 36d34e5e5a5a..1fc4c134d939 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -1,5 +1,5 @@
 # drivers/mtd/nand/Kconfig
-# $Id: Kconfig,v 1.31 2005/06/20 12:03:21 bjd Exp $
+# $Id: Kconfig,v 1.35 2005/11/07 11:14:30 gleixner Exp $
 
 menu "NAND Flash Device Drivers"
         depends on MTD!=n
@@ -25,33 +25,33 @@ config MTD_NAND_VERIFY_WRITE
 
 config MTD_NAND_AUTCPU12
         tristate "SmartMediaCard on autronix autcpu12 board"
-        depends on ARM && MTD_NAND && ARCH_AUTCPU12
+        depends on MTD_NAND && ARCH_AUTCPU12
         help
-          This enables the driver for the autronix autcpu12 board to 
+          This enables the driver for the autronix autcpu12 board to
           access the SmartMediaCard.
 
 config MTD_NAND_EDB7312
         tristate "Support for Cirrus Logic EBD7312 evaluation board"
-        depends on ARM && MTD_NAND && ARCH_EDB7312
+        depends on MTD_NAND && ARCH_EDB7312
         help
-          This enables the driver for the Cirrus Logic EBD7312 evaluation 
+          This enables the driver for the Cirrus Logic EBD7312 evaluation
           board to access the onboard NAND Flash.
 
 config MTD_NAND_H1900
         tristate "iPAQ H1900 flash"
-        depends on ARM && MTD_NAND && ARCH_PXA && MTD_PARTITIONS
+        depends on MTD_NAND && ARCH_PXA && MTD_PARTITIONS
         help
           This enables the driver for the iPAQ h1900 flash.
 
 config MTD_NAND_SPIA
         tristate "NAND Flash device on SPIA board"
-        depends on ARM && ARCH_P720T && MTD_NAND
+        depends on ARCH_P720T && MTD_NAND
         help
           If you had to ask, you don't have one. Say 'N'.
 
 config MTD_NAND_TOTO
         tristate "NAND Flash device on TOTO board"
-        depends on ARM && ARCH_OMAP && MTD_NAND
+        depends on ARCH_OMAP && MTD_NAND
         help
           Support for NAND flash on Texas Instruments Toto platform.
 
@@ -59,8 +59,8 @@ config MTD_NAND_IDS
         tristate
 
 config MTD_NAND_AU1550
-        tristate "Au1550 NAND support"
-        depends on SOC_AU1550 && MTD_NAND
+        tristate "Au1550/1200 NAND support"
+        depends on (SOC_AU1200 || SOC_AU1550) && MTD_NAND
         help
           This enables the driver for the NAND flash controller on the
           AMD/Alchemy 1550 SOC.
@@ -71,7 +71,7 @@ config MTD_NAND_RTC_FROM4
         select REED_SOLOMON
         select REED_SOLOMON_DEC8
         help
-          This enables the driver for the Renesas Technology AG-AND 
+          This enables the driver for the Renesas Technology AG-AND
           flash interface board (FROM_BOARD4)
 
 config MTD_NAND_PPCHAMELEONEVB
@@ -88,7 +88,7 @@ config MTD_NAND_S3C2410
           SoCs
 
           No board specfic support is done by this driver, each board
-          must advertise a platform_device for the driver to attach. 
+          must advertise a platform_device for the driver to attach.
 
 config MTD_NAND_S3C2410_DEBUG
         bool "S3C2410 NAND driver debug"
@@ -181,7 +181,7 @@ config MTD_NAND_DISKONCHIP_BBTWRITE
           
  config MTD_NAND_SHARPSL
         bool "Support for NAND Flash on Sharp SL Series (C7xx + others)"
-        depends on MTD_NAND     && ARCH_PXA
+        depends on MTD_NAND && ARCH_PXA
  
  config MTD_NAND_NANDSIM
         bool "Support for NAND Flash Simulator"
diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 4c7719ce3f48..3cafcdf28aed 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2004 Embedded Edge, LLC
  *
- * $Id: au1550nd.c,v 1.11 2004/11/04 12:53:10 gleixner Exp $
+ * $Id: au1550nd.c,v 1.13 2005/11/07 11:14:30 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
@@ -21,20 +21,14 @@
 
 /* fixme: this is ugly */
 #if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 0)
-#include <asm/mach-au1x00/au1000.h>
-#ifdef CONFIG_MIPS_PB1550
-#include <asm/mach-pb1x00/pb1550.h> 
-#endif
-#ifdef CONFIG_MIPS_DB1550
-#include <asm/mach-db1x00/db1x00.h> 
-#endif
+#include <asm/mach-au1x00/au1xxx.h>
 #else
 #include <asm/au1000.h>
 #ifdef CONFIG_MIPS_PB1550
-#include <asm/pb1550.h> 
+#include <asm/pb1550.h>
 #endif
 #ifdef CONFIG_MIPS_DB1550
-#include <asm/db1x00.h> 
+#include <asm/db1x00.h>
 #endif
 #endif
 
@@ -45,39 +39,22 @@ static struct mtd_info *au1550_mtd = NULL;
 static void __iomem *p_nand;
 static int nand_width = 1; /* default x8*/
 
-#define NAND_CS 1
-
 /*
  * Define partitions for flash device
  */
 const static struct mtd_partition partition_info[] = {
-#ifdef CONFIG_MIPS_PB1550
-#define NUM_PARTITIONS            2
-        { 
-                .name = "Pb1550 NAND FS 0",
+        {
+                .name   = "NAND FS 0",
                 .offset = 0,
-                .size = 8*1024*1024 
+                .size   = 8*1024*1024
         },
-        { 
-                .name = "Pb1550 NAND FS 1",
+        {
+                .name   = "NAND FS 1",
                 .offset =  MTDPART_OFS_APPEND,
-                .size =    MTDPART_SIZ_FULL
+                .size   =    MTDPART_SIZ_FULL
         }
-#endif
-#ifdef CONFIG_MIPS_DB1550
-#define NUM_PARTITIONS            2
-        { 
-                .name = "Db1550 NAND FS 0",
-                .offset = 0,
-                .size = 8*1024*1024 
-        },
-        { 
-                .name = "Db1550 NAND FS 1",
-                .offset =  MTDPART_OFS_APPEND,
-                .size =    MTDPART_SIZ_FULL
-        }
-#endif
 };
+#define NB_OF(x)  (sizeof(x)/sizeof(x[0]))
 
 
 /**
@@ -112,7 +89,7 @@ static void au_write_byte(struct mtd_info *mtd, u_char byte)
  * au_read_byte16 -  read one byte endianess aware from the chip
  * @mtd:        MTD device structure
  *
- *  read function for 16bit buswith with 
+ *  read function for 16bit buswith with
  * endianess conversion
  */
 static u_char au_read_byte16(struct mtd_info *mtd)
@@ -142,7 +119,7 @@ static void au_write_byte16(struct mtd_info *mtd, u_char byte)
  * au_read_word -  read one word from the chip
  * @mtd:        MTD device structure
  *
- *  read function for 16bit buswith without 
+ *  read function for 16bit buswith without
  * endianess conversion
  */
 static u16 au_read_word(struct mtd_info *mtd)
@@ -158,7 +135,7 @@ static u16 au_read_word(struct mtd_info *mtd)
  * @mtd:        MTD device structure
  * @word:       data word to write
  *
- *  write function for 16bit buswith without 
+ *  write function for 16bit buswith without
  * endianess conversion
  */
 static void au_write_word(struct mtd_info *mtd, u16 word)
@@ -188,7 +165,7 @@ static void au_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
 }
 
 /**
- * au_read_buf -  read chip data into buffer 
+ * au_read_buf -  read chip data into buffer
  * @mtd:        MTD device structure
  * @buf:        buffer to store date
  * @len:        number of bytes to read
@@ -202,12 +179,12 @@ static void au_read_buf(struct mtd_info *mtd, u_char *buf, int len)
 
         for (i=0; i<len; i++) {
                 buf[i] = readb(this->IO_ADDR_R);
-                au_sync();      
+                au_sync();
         }
 }
 
 /**
- * au_verify_buf -  Verify chip data against buffer 
+ * au_verify_buf -  Verify chip data against buffer
  * @mtd:        MTD device structure
  * @buf:        buffer containing the data to compare
  * @len:        number of bytes to compare
@@ -242,16 +219,16 @@ static void au_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
         struct nand_chip *this = mtd->priv;
         u16 *p = (u16 *) buf;
         len >>= 1;
-        
+
         for (i=0; i<len; i++) {
                 writew(p[i], this->IO_ADDR_W);
                 au_sync();
         }
-                
+
 }
 
 /**
- * au_read_buf16 -  read chip data into buffer 
+ * au_read_buf16 -  read chip data into buffer
  * @mtd:        MTD device structure
  * @buf:        buffer to store date
  * @len:        number of bytes to read
@@ -272,7 +249,7 @@ static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
 }
 
 /**
- * au_verify_buf16 -  Verify chip data against buffer 
+ * au_verify_buf16 -  Verify chip data against buffer
  * @mtd:        MTD device structure
  * @buf:        buffer containing the data to compare
  * @len:        number of bytes to compare
@@ -305,26 +282,26 @@ static void au1550_hwcontrol(struct mtd_info *mtd, int cmd)
         case NAND_CTL_CLRCLE: this->IO_ADDR_W = p_nand + MEM_STNAND_DATA; break;
 
         case NAND_CTL_SETALE: this->IO_ADDR_W = p_nand + MEM_STNAND_ADDR; break;
-        case NAND_CTL_CLRALE: 
-                this->IO_ADDR_W = p_nand + MEM_STNAND_DATA; 
-                /* FIXME: Nobody knows why this is neccecary, 
+        case NAND_CTL_CLRALE:
+                this->IO_ADDR_W = p_nand + MEM_STNAND_DATA;
+                /* FIXME: Nobody knows why this is neccecary,
                  * but it works only that way */
-                udelay(1); 
+                udelay(1);
                 break;
 
-        case NAND_CTL_SETNCE: 
+        case NAND_CTL_SETNCE:
                 /* assert (force assert) chip enable */
                 au_writel((1<<(4+NAND_CS)) , MEM_STNDCTL); break;
                 break;
 
-        case NAND_CTL_CLRNCE: 
+        case NAND_CTL_CLRNCE:
                 /* deassert chip enable */
                 au_writel(0, MEM_STNDCTL); break;
                 break;
         }
 
         this->IO_ADDR_R = this->IO_ADDR_W;
-        
+
         /* Drain the writebuffer */
         au_sync();
 }
@@ -339,14 +316,16 @@ int au1550_device_ready(struct mtd_info *mtd)
 /*
  * Main initialization routine
  */
-int __init au1550_init (void)
+int __init au1xxx_nand_init (void)
 {
         struct nand_chip *this;
         u16 boot_swapboot = 0; /* default value */
         int retval;
+        u32 mem_staddr;
+        u32 nand_phys;
 
         /* Allocate memory for MTD device structure and private data */
-        au1550_mtd = kmalloc (sizeof(struct mtd_info) + 
+        au1550_mtd = kmalloc (sizeof(struct mtd_info) +
                         sizeof (struct nand_chip), GFP_KERNEL);
         if (!au1550_mtd) {
                 printk ("Unable to allocate NAND MTD dev structure.\n");
@@ -364,14 +343,17 @@ int __init au1550_init (void)
         au1550_mtd->priv = this;
 
 
-        /* MEM_STNDCTL: disable ints, disable nand boot */
-        au_writel(0, MEM_STNDCTL);
+        /* disable interrupts */
+        au_writel(au_readl(MEM_STNDCTL) & ~(1<<8), MEM_STNDCTL);
+
+        /* disable NAND boot */
+        au_writel(au_readl(MEM_STNDCTL) & ~(1<<0), MEM_STNDCTL);
 
 #ifdef CONFIG_MIPS_PB1550
         /* set gpio206 high */
         au_writel(au_readl(GPIO2_DIR) & ~(1<<6), GPIO2_DIR);
 
-        boot_swapboot = (au_readl(MEM_STSTAT) & (0x7<<1)) | 
+        boot_swapboot = (au_readl(MEM_STSTAT) & (0x7<<1)) |
                 ((bcsr->status >> 6)  & 0x1);
         switch (boot_swapboot) {
                 case 0:
@@ -397,25 +379,66 @@ int __init au1550_init (void)
         }
 #endif
 
-        /* Configure RCE1 - should be done by YAMON */
-        au_writel(0x5 | (nand_width << 22), 0xB4001010); /* MEM_STCFG1 */
-        au_writel(NAND_TIMING, 0xB4001014); /* MEM_STTIME1 */
-        au_sync();
+        /* Configure chip-select; normally done by boot code, e.g. YAMON */
+#ifdef NAND_STCFG
+        if (NAND_CS == 0) {
+                au_writel(NAND_STCFG,  MEM_STCFG0);
+                au_writel(NAND_STTIME, MEM_STTIME0);
+                au_writel(NAND_STADDR, MEM_STADDR0);
+        }
+        if (NAND_CS == 1) {
+                au_writel(NAND_STCFG,  MEM_STCFG1);
+                au_writel(NAND_STTIME, MEM_STTIME1);
+                au_writel(NAND_STADDR, MEM_STADDR1);
+        }
+        if (NAND_CS == 2) {
+                au_writel(NAND_STCFG,  MEM_STCFG2);
+                au_writel(NAND_STTIME, MEM_STTIME2);
+                au_writel(NAND_STADDR, MEM_STADDR2);
+        }
+        if (NAND_CS == 3) {
+                au_writel(NAND_STCFG,  MEM_STCFG3);
+                au_writel(NAND_STTIME, MEM_STTIME3);
+                au_writel(NAND_STADDR, MEM_STADDR3);
+        }
+#endif
 
-        /* setup and enable chip select, MEM_STADDR1 */
-        /* we really need to decode offsets only up till 0x20 */
-        au_writel((1<<28) | (NAND_PHYS_ADDR>>4) | 
-                        (((NAND_PHYS_ADDR + 0x1000)-1) & (0x3fff<<18)>>18), 
-                        MEM_STADDR1);
-        au_sync();
+        /* Locate NAND chip-select in order to determine NAND phys address */
+        mem_staddr = 0x00000000;
+        if (((au_readl(MEM_STCFG0) & 0x7) == 0x5) && (NAND_CS == 0))
+                mem_staddr = au_readl(MEM_STADDR0);
+        else if (((au_readl(MEM_STCFG1) & 0x7) == 0x5) && (NAND_CS == 1))
+                mem_staddr = au_readl(MEM_STADDR1);
+        else if (((au_readl(MEM_STCFG2) & 0x7) == 0x5) && (NAND_CS == 2))
+                mem_staddr = au_readl(MEM_STADDR2);
+        else if (((au_readl(MEM_STCFG3) & 0x7) == 0x5) && (NAND_CS == 3))
+                mem_staddr = au_readl(MEM_STADDR3);
+
+        if (mem_staddr == 0x00000000) {
+                printk("Au1xxx NAND: ERROR WITH NAND CHIP-SELECT\n");
+                kfree(au1550_mtd);
+                return 1;
+        }
+        nand_phys = (mem_staddr << 4) & 0xFFFC0000;
+
+        p_nand = (void __iomem *)ioremap(nand_phys, 0x1000);
+
+        /* make controller and MTD agree */
+        if (NAND_CS == 0)
+                nand_width = au_readl(MEM_STCFG0) & (1<<22);
+        if (NAND_CS == 1)
+                nand_width = au_readl(MEM_STCFG1) & (1<<22);
+        if (NAND_CS == 2)
+                nand_width = au_readl(MEM_STCFG2) & (1<<22);
+        if (NAND_CS == 3)
+                nand_width = au_readl(MEM_STCFG3) & (1<<22);
 
-        p_nand = ioremap(NAND_PHYS_ADDR, 0x1000);
 
         /* Set address of hardware control function */
         this->hwcontrol = au1550_hwcontrol;
         this->dev_ready = au1550_device_ready;
         /* 30 us command delay time */
-        this->chip_delay = 30;          
+        this->chip_delay = 30;
         this->eccmode = NAND_ECC_SOFT;
 
         this->options = NAND_NO_AUTOINCR;
@@ -438,19 +461,19 @@ int __init au1550_init (void)
         }
 
         /* Register the partitions */
-        add_mtd_partitions(au1550_mtd, partition_info, NUM_PARTITIONS);
+        add_mtd_partitions(au1550_mtd, partition_info, NB_OF(partition_info));
 
         return 0;
 
  outio:
         iounmap ((void *)p_nand);
-        
+
  outmem:
         kfree (au1550_mtd);
         return retval;
 }
 
-module_init(au1550_init);
+module_init(au1xxx_nand_init);
 
 /*
  * Clean up routine
diff --git a/drivers/mtd/nand/autcpu12.c b/drivers/mtd/nand/autcpu12.c
index 4afa8ced05ad..056dfc17a075 100644
--- a/drivers/mtd/nand/autcpu12.c
+++ b/drivers/mtd/nand/autcpu12.c
@@ -5,8 +5,8 @@
  *
  *  Derived from drivers/mtd/spia.c
  *       Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
- * 
- * $Id: autcpu12.c,v 1.22 2004/11/04 12:53:10 gleixner Exp $
+ *
+ * $Id: autcpu12.c,v 1.23 2005/11/07 11:14:30 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
@@ -14,7 +14,7 @@
  *
  *  Overview:
  *   This is a device driver for the NAND flash device found on the
- *   autronix autcpu12 board, which is a SmartMediaCard. It supports 
+ *   autronix autcpu12 board, which is a SmartMediaCard. It supports
  *   16MiB, 32MiB and 64MiB cards.
  *
  *
@@ -93,7 +93,7 @@ static struct mtd_partition partition_info128k[] = {
 #define NUM_PARTITIONS32K 2
 #define NUM_PARTITIONS64K 2
 #define NUM_PARTITIONS128K 2
-/* 
+/*
  *      hardware specific access to control-lines
 */
 static void autcpu12_hwcontrol(struct mtd_info *mtd, int cmd)
@@ -163,7 +163,7 @@ int __init autcpu12_init (void)
         this->hwcontrol = autcpu12_hwcontrol;
         this->dev_ready = autcpu12_device_ready;
         /* 20 us command delay time */
-        this->chip_delay = 20;          
+        this->chip_delay = 20;
         this->eccmode = NAND_ECC_SOFT;
 
         /* Enable the following for a flash based bad block table */
@@ -171,21 +171,21 @@ int __init autcpu12_init (void)
         this->options = NAND_USE_FLASH_BBT;
         */
         this->options = NAND_USE_FLASH_BBT;
-        
+
         /* Scan to find existance of the device */
         if (nand_scan (autcpu12_mtd, 1)) {
                 err = -ENXIO;
                 goto out_ior;
         }
-        
+
         /* Register the partitions */
         switch(autcpu12_mtd->size){
                 case SZ_16M: add_mtd_partitions(autcpu12_mtd, partition_info16k, NUM_PARTITIONS16K); break;
                 case SZ_32M: add_mtd_partitions(autcpu12_mtd, partition_info32k, NUM_PARTITIONS32K); break;
-                case SZ_64M: add_mtd_partitions(autcpu12_mtd, partition_info64k, NUM_PARTITIONS64K); break; 
-                case SZ_128M: add_mtd_partitions(autcpu12_mtd, partition_info128k, NUM_PARTITIONS128K); break; 
+                case SZ_64M: add_mtd_partitions(autcpu12_mtd, partition_info64k, NUM_PARTITIONS64K); break;
+                case SZ_128M: add_mtd_partitions(autcpu12_mtd, partition_info128k, NUM_PARTITIONS128K); break;
                 default: {
-                        printk ("Unsupported SmartMedia device\n"); 
+                        printk ("Unsupported SmartMedia device\n");
                         err = -ENXIO;
                         goto out_ior;
                 }
@@ -213,7 +213,7 @@ static void __exit autcpu12_cleanup (void)
 
         /* unmap physical adress */
         iounmap((void *)autcpu12_fio_base);
-        
+
         /* Free the MTD device structure */
         kfree (autcpu12_mtd);
 }
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index fdb5d4ad3d52..21d4e8f4b7af 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * drivers/mtd/nand/diskonchip.c
  *
  * (C) 2003 Red Hat, Inc.
@@ -8,15 +8,15 @@
  * Author: David Woodhouse <dwmw2@infradead.org>
  * Additional Diskonchip 2000 and Millennium support by Dan Brown <dan_brown@ieee.org>
  * Diskonchip Millennium Plus support by Kalev Lember <kalev@smartlink.ee>
- * 
+ *
  * Error correction code lifted from the old docecc code
- * Author: Fabrice Bellard (fabrice.bellard@netgem.com) 
+ * Author: Fabrice Bellard (fabrice.bellard@netgem.com)
  * Copyright (C) 2000 Netgem S.A.
  * converted to the generic Reed-Solomon library by Thomas Gleixner <tglx@linutronix.de>
- *  
+ *
  * Interface to generic NAND code for M-Systems DiskOnChip devices
  *
- * $Id: diskonchip.c,v 1.54 2005/04/07 14:22:55 dbrown Exp $
+ * $Id: diskonchip.c,v 1.55 2005/11/07 11:14:30 gleixner Exp $
  */
 
 #include <linux/kernel.h>
@@ -42,16 +42,16 @@
 static unsigned long __initdata doc_locations[] = {
 #if defined (__alpha__) || defined(__i386__) || defined(__x86_64__)
 #ifdef CONFIG_MTD_NAND_DISKONCHIP_PROBE_HIGH
-        0xfffc8000, 0xfffca000, 0xfffcc000, 0xfffce000, 
+        0xfffc8000, 0xfffca000, 0xfffcc000, 0xfffce000,
         0xfffd0000, 0xfffd2000, 0xfffd4000, 0xfffd6000,
-        0xfffd8000, 0xfffda000, 0xfffdc000, 0xfffde000, 
-        0xfffe0000, 0xfffe2000, 0xfffe4000, 0xfffe6000, 
+        0xfffd8000, 0xfffda000, 0xfffdc000, 0xfffde000,
+        0xfffe0000, 0xfffe2000, 0xfffe4000, 0xfffe6000,
         0xfffe8000, 0xfffea000, 0xfffec000, 0xfffee000,
 #else /*  CONFIG_MTD_DOCPROBE_HIGH */
-        0xc8000, 0xca000, 0xcc000, 0xce000, 
+        0xc8000, 0xca000, 0xcc000, 0xce000,
         0xd0000, 0xd2000, 0xd4000, 0xd6000,
-        0xd8000, 0xda000, 0xdc000, 0xde000, 
-        0xe0000, 0xe2000, 0xe4000, 0xe6000, 
+        0xd8000, 0xda000, 0xdc000, 0xde000,
+        0xe0000, 0xe2000, 0xe4000, 0xe6000,
         0xe8000, 0xea000, 0xec000, 0xee000,
 #endif /*  CONFIG_MTD_DOCPROBE_HIGH */
 #elif defined(__PPC__)
@@ -138,7 +138,7 @@ MODULE_PARM_DESC(doc_config_location, "Physical memory address at which to probe
 /* the Reed Solomon control structure */
 static struct rs_control *rs_decoder;
 
-/* 
+/*
  * The HW decoder in the DoC ASIC's provides us a error syndrome,
  * which we must convert to a standard syndrom usable by the generic
  * Reed-Solomon library code.
@@ -163,8 +163,8 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc)
         /* Initialize the syndrom buffer */
         for (i = 0; i < NROOTS; i++)
                 s[i] = ds[0];
-        /* 
-         *  Evaluate 
+        /*
+         *  Evaluate
          *  s[i] = ds[3]x^3 + ds[2]x^2 + ds[1]x^1 + ds[0]
          *  where x = alpha^(FCR + i)
          */
@@ -188,7 +188,7 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc)
         if (nerr < 0)
                 return nerr;
 
-        /* 
+        /*
          * Correct the errors. The bitpositions are a bit of magic,
          * but they are given by the design of the de/encoder circuit
          * in the DoC ASIC's.
@@ -205,7 +205,7 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc)
                            can be modified since pos is even */
                         index = (pos >> 3) ^ 1;
                         bitpos = pos & 7;
-                        if ((index >= 0 && index < SECTOR_SIZE) || 
+                        if ((index >= 0 && index < SECTOR_SIZE) ||
                             index == (SECTOR_SIZE + 1)) {
                                 val = (uint8_t) (errval[i] >> (2 + bitpos));
                                 parity ^= val;
@@ -216,7 +216,7 @@ static int doc_ecc_decode (struct rs_control *rs, uint8_t *data, uint8_t *ecc)
                         bitpos = (bitpos + 10) & 7;
                         if (bitpos == 0)
                                 bitpos = 8;
-                        if ((index >= 0 && index < SECTOR_SIZE) || 
+                        if ((index >= 0 && index < SECTOR_SIZE) ||
                             index == (SECTOR_SIZE + 1)) {
                                 val = (uint8_t)(errval[i] << (8 - bitpos));
                                 parity ^= val;
@@ -233,7 +233,7 @@ static void DoC_Delay(struct doc_priv *doc, unsigned short cycles)
 {
         volatile char dummy;
         int i;
-        
+
         for (i = 0; i < cycles; i++) {
                 if (DoC_is_Millennium(doc))
                         dummy = ReadDOC(doc->virtadr, NOP);
@@ -242,7 +242,7 @@ static void DoC_Delay(struct doc_priv *doc, unsigned short cycles)
                 else
                         dummy = ReadDOC(doc->virtadr, DOCStatus);
         }
-        
+
 }
 
 #define CDSN_CTRL_FR_B_MASK     (CDSN_CTRL_FR_B0 | CDSN_CTRL_FR_B1)
@@ -327,7 +327,7 @@ static u_char doc2000_read_byte(struct mtd_info *mtd)
         return ret;
 }
 
-static void doc2000_writebuf(struct mtd_info *mtd, 
+static void doc2000_writebuf(struct mtd_info *mtd,
                              const u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -343,7 +343,7 @@ static void doc2000_writebuf(struct mtd_info *mtd,
         if (debug) printk("\n");
 }
 
-static void doc2000_readbuf(struct mtd_info *mtd, 
+static void doc2000_readbuf(struct mtd_info *mtd,
                             u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -358,7 +358,7 @@ static void doc2000_readbuf(struct mtd_info *mtd,
         }
 }
 
-static void doc2000_readbuf_dword(struct mtd_info *mtd, 
+static void doc2000_readbuf_dword(struct mtd_info *mtd,
                             u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -379,7 +379,7 @@ static void doc2000_readbuf_dword(struct mtd_info *mtd,
         }
 }
 
-static int doc2000_verifybuf(struct mtd_info *mtd, 
+static int doc2000_verifybuf(struct mtd_info *mtd,
                               const u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -406,12 +406,12 @@ static uint16_t __init doc200x_ident_chip(struct mtd_info *mtd, int nr)
         doc200x_hwcontrol(mtd, NAND_CTL_SETALE);
         this->write_byte(mtd, 0);
         doc200x_hwcontrol(mtd, NAND_CTL_CLRALE);
-        
+
         /* We cant' use dev_ready here, but at least we wait for the
-         * command to complete 
+         * command to complete
          */
         udelay(50);
-        
+
         ret = this->read_byte(mtd) << 8;
         ret |= this->read_byte(mtd);
 
@@ -438,7 +438,7 @@ static uint16_t __init doc200x_ident_chip(struct mtd_info *mtd, int nr)
                         this->read_buf = &doc2000_readbuf_dword;
                 }
         }
-                
+
         return ret;
 }
 
@@ -469,7 +469,7 @@ static int doc200x_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
         struct doc_priv *doc = this->priv;
 
         int status;
-        
+
         DoC_WaitReady(doc);
         this->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
         DoC_WaitReady(doc);
@@ -503,7 +503,7 @@ static u_char doc2001_read_byte(struct mtd_info *mtd)
         return ReadDOC(docptr, LastDataRead);
 }
 
-static void doc2001_writebuf(struct mtd_info *mtd, 
+static void doc2001_writebuf(struct mtd_info *mtd,
                              const u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -517,7 +517,7 @@ static void doc2001_writebuf(struct mtd_info *mtd,
         WriteDOC(0x00, docptr, WritePipeTerm);
 }
 
-static void doc2001_readbuf(struct mtd_info *mtd, 
+static void doc2001_readbuf(struct mtd_info *mtd,
                             u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -535,7 +535,7 @@ static void doc2001_readbuf(struct mtd_info *mtd,
         buf[i] = ReadDOC(docptr, LastDataRead);
 }
 
-static int doc2001_verifybuf(struct mtd_info *mtd, 
+static int doc2001_verifybuf(struct mtd_info *mtd,
                              const u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -570,7 +570,7 @@ static u_char doc2001plus_read_byte(struct mtd_info *mtd)
         return ret;
 }
 
-static void doc2001plus_writebuf(struct mtd_info *mtd, 
+static void doc2001plus_writebuf(struct mtd_info *mtd,
                              const u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -587,7 +587,7 @@ static void doc2001plus_writebuf(struct mtd_info *mtd,
         if (debug) printk("\n");
 }
 
-static void doc2001plus_readbuf(struct mtd_info *mtd, 
+static void doc2001plus_readbuf(struct mtd_info *mtd,
                             u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -617,7 +617,7 @@ static void doc2001plus_readbuf(struct mtd_info *mtd,
         if (debug) printk("\n");
 }
 
-static int doc2001plus_verifybuf(struct mtd_info *mtd, 
+static int doc2001plus_verifybuf(struct mtd_info *mtd,
                              const u_char *buf, int len)
 {
         struct nand_chip *this = mtd->priv;
@@ -797,7 +797,7 @@ static void doc2001plus_command (struct mtd_info *mtd, unsigned command, int col
                         WriteDOC(0, docptr, Mplus_FlashControl);
         }
 
-        /* 
+        /*
          * program and erase have their own busy handlers
          * status and sequential in needs no delay
         */
@@ -822,7 +822,7 @@ static void doc2001plus_command (struct mtd_info *mtd, unsigned command, int col
 
         /* This applies to read commands */
         default:
-                /* 
+                /*
                  * If we don't have access to the busy pin, we apply the given
                  * command delay
                 */
@@ -945,7 +945,7 @@ static int doc200x_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
         for (i = 0; i < 6; i++) {
                 if (DoC_is_MillenniumPlus(doc))
                         ecc_code[i] = ReadDOC_(docptr, DoC_Mplus_ECCSyndrome0 + i);
-                else 
+                else
                         ecc_code[i] = ReadDOC_(docptr, DoC_ECCSyndrome0 + i);
                 if (ecc_code[i] != empty_write_ecc[i])
                         emptymatch = 0;
@@ -982,7 +982,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_
         void __iomem *docptr = doc->virtadr;
         volatile u_char dummy;
         int emptymatch = 1;
-        
+
         /* flush the pipeline */
         if (DoC_is_2000(doc)) {
                 dummy = ReadDOC(docptr, 2k_ECCStatus);
@@ -997,7 +997,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_
                 dummy = ReadDOC(docptr, ECCConf);
                 dummy = ReadDOC(docptr, ECCConf);
         }
-        
+
         /* Error occured ? */
         if (dummy & 0x80) {
                 for (i = 0; i < 6; i++) {
@@ -1035,7 +1035,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_
                 if (!emptymatch) ret = doc_ecc_decode (rs_decoder, dat, calc_ecc);
                 if (ret > 0)
                         printk(KERN_ERR "doc200x_correct_data corrected %d errors\n", ret);
-        }       
+        }
         if (DoC_is_MillenniumPlus(doc))
                 WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
         else
@@ -1046,7 +1046,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_
         }
         return ret;
 }
-                
+
 //u_char mydatabuf[528];
 
 /* The strange out-of-order .oobfree list below is a (possibly unneeded)
@@ -1065,7 +1065,7 @@ static struct nand_oobinfo doc200x_oobinfo = {
         .eccpos = {0, 1, 2, 3, 4, 5},
         .oobfree = { {8, 8}, {6, 2} }
 };
- 
+
 /* Find the (I)NFTL Media Header, and optionally also the mirror media header.
    On sucessful return, buf will contain a copy of the media header for
    further processing.  id is the string to scan for, and will presumably be
@@ -1251,7 +1251,7 @@ static inline int __init inftl_partscan(struct mtd_info *mtd,
         mh->BlockMultiplierBits = le32_to_cpu(mh->BlockMultiplierBits);
         mh->FormatFlags = le32_to_cpu(mh->FormatFlags);
         mh->PercentUsed = le32_to_cpu(mh->PercentUsed);
- 
+
         printk(KERN_INFO "    bootRecordID          = %s\n"
                          "    NoOfBootImageBlocks   = %d\n"
                          "    NoOfBinaryPartitions  = %d\n"
@@ -1468,7 +1468,7 @@ static inline int __init doc2001_init(struct mtd_info *mtd)
         ReadDOC(doc->virtadr, ChipID);
         if (ReadDOC(doc->virtadr, ChipID) != DOC_ChipID_DocMil) {
                 /* It's not a Millennium; it's one of the newer
-                   DiskOnChip 2000 units with a similar ASIC. 
+                   DiskOnChip 2000 units with a similar ASIC.
                    Treat it like a Millennium, except that it
                    can have multiple chips. */
                 doc2000_count_chips(mtd);
@@ -1530,20 +1530,20 @@ static inline int __init doc_probe(unsigned long physadr)
          * to the DOCControl register. So we store the current contents
          * of the DOCControl register's location, in case we later decide
          * that it's not a DiskOnChip, and want to put it back how we
-         * found it. 
+         * found it.
          */
         save_control = ReadDOC(virtadr, DOCControl);
 
         /* Reset the DiskOnChip ASIC */
-        WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, 
+        WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET,
                  virtadr, DOCControl);
-        WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET, 
+        WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_RESET,
                  virtadr, DOCControl);
 
         /* Enable the DiskOnChip ASIC */
-        WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, 
+        WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL,
                  virtadr, DOCControl);
-        WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL, 
+        WriteDOC(DOC_MODE_CLR_ERR | DOC_MODE_MDWREN | DOC_MODE_NORMAL,
                  virtadr, DOCControl);
 
         ChipID = ReadDOC(virtadr, ChipID);
@@ -1738,7 +1738,7 @@ static int __init init_nanddoc(void)
         int i, ret = 0;
 
         /* We could create the decoder on demand, if memory is a concern.
-         * This way we have it handy, if an error happens 
+         * This way we have it handy, if an error happens
          *
          * Symbolsize is 10 (bits)
          * Primitve polynomial is x^10+x^3+1
diff --git a/drivers/mtd/nand/edb7312.c b/drivers/mtd/nand/edb7312.c
index 5549681ccdce..9b1fd2f387fa 100644
--- a/drivers/mtd/nand/edb7312.c
+++ b/drivers/mtd/nand/edb7312.c
@@ -6,7 +6,7 @@
  *  Derived from drivers/mtd/nand/autcpu12.c
  *       Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
  *
- * $Id: edb7312.c,v 1.11 2004/11/04 12:53:10 gleixner Exp $
+ * $Id: edb7312.c,v 1.12 2005/11/07 11:14:30 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
@@ -71,27 +71,27 @@ static struct mtd_partition partition_info[] = {
 #endif
 
 
-/* 
+/*
  *      hardware specific access to control-lines
  */
-static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd) 
+static void ep7312_hwcontrol(struct mtd_info *mtd, int cmd)
 {
         switch(cmd) {
-                
-        case NAND_CTL_SETCLE: 
-                clps_writeb(clps_readb(ep7312_pxdr) | 0x10, ep7312_pxdr); 
+
+        case NAND_CTL_SETCLE:
+                clps_writeb(clps_readb(ep7312_pxdr) | 0x10, ep7312_pxdr);
                 break;
-        case NAND_CTL_CLRCLE: 
+        case NAND_CTL_CLRCLE:
                 clps_writeb(clps_readb(ep7312_pxdr) & ~0x10, ep7312_pxdr);
                 break;
-                
+
         case NAND_CTL_SETALE:
                 clps_writeb(clps_readb(ep7312_pxdr) | 0x20, ep7312_pxdr);
                 break;
         case NAND_CTL_CLRALE:
                 clps_writeb(clps_readb(ep7312_pxdr) & ~0x20, ep7312_pxdr);
                 break;
-                
+
         case NAND_CTL_SETNCE:
                 clps_writeb((clps_readb(ep7312_pxdr) | 0x80) & ~0x40, ep7312_pxdr);
                 break;
@@ -122,16 +122,16 @@ static int __init ep7312_init (void)
         int mtd_parts_nb = 0;
         struct mtd_partition *mtd_parts = 0;
         void __iomem * ep7312_fio_base;
-        
+
         /* Allocate memory for MTD device structure and private data */
-        ep7312_mtd = kmalloc(sizeof(struct mtd_info) + 
+        ep7312_mtd = kmalloc(sizeof(struct mtd_info) +
                              sizeof(struct nand_chip),
                              GFP_KERNEL);
         if (!ep7312_mtd) {
                 printk("Unable to allocate EDB7312 NAND MTD device structure.\n");
                 return -ENOMEM;
         }
-        
+
         /* map physical adress */
         ep7312_fio_base = ioremap(ep7312_fio_pbase, SZ_1K);
         if(!ep7312_fio_base) {
@@ -139,23 +139,23 @@ static int __init ep7312_init (void)
                 kfree(ep7312_mtd);
                 return -EIO;
         }
-        
+
         /* Get pointer to private data */
         this = (struct nand_chip *) (&ep7312_mtd[1]);
-        
+
         /* Initialize structures */
         memset((char *) ep7312_mtd, 0, sizeof(struct mtd_info));
         memset((char *) this, 0, sizeof(struct nand_chip));
-        
+
         /* Link the private data with the MTD structure */
         ep7312_mtd->priv = this;
-        
+
         /*
          * Set GPIO Port B control register so that the pins are configured
          * to be outputs for controlling the NAND flash.
          */
         clps_writeb(0xf0, ep7312_pxddr);
-        
+
         /* insert callbacks */
         this->IO_ADDR_R = ep7312_fio_base;
         this->IO_ADDR_W = ep7312_fio_base;
@@ -163,14 +163,14 @@ static int __init ep7312_init (void)
         this->dev_ready = ep7312_device_ready;
         /* 15 us command delay time */
         this->chip_delay = 15;
-        
+
         /* Scan to find existence of the device */
         if (nand_scan (ep7312_mtd, 1)) {
                 iounmap((void *)ep7312_fio_base);
                 kfree (ep7312_mtd);
                 return -ENXIO;
         }
-        
+
 #ifdef CONFIG_MTD_PARTITIONS
         ep7312_mtd->name = "edb7312-nand";
         mtd_parts_nb = parse_mtd_partitions(ep7312_mtd, part_probes,
@@ -185,11 +185,11 @@ static int __init ep7312_init (void)
                 mtd_parts_nb = NUM_PARTITIONS;
                 part_type = "static";
         }
-        
+
         /* Register the partitions */
         printk(KERN_NOTICE "Using %s partition definition\n", part_type);
         add_mtd_partitions(ep7312_mtd, mtd_parts, mtd_parts_nb);
-        
+
         /* Return happy */
         return 0;
 }
@@ -201,13 +201,13 @@ module_init(ep7312_init);
 static void __exit ep7312_cleanup (void)
 {
         struct nand_chip *this = (struct nand_chip *) &ep7312_mtd[1];
-        
+
         /* Release resources, unregister device */
         nand_release (ap7312_mtd);
-        
+
         /* Free internal data buffer */
         kfree (this->data_buf);
-        
+
         /* Free the MTD device structure */
         kfree (ep7312_mtd);
 }
diff --git a/drivers/mtd/nand/h1910.c b/drivers/mtd/nand/h1910.c
index 3825a7a0900c..041e4b3358fb 100644
--- a/drivers/mtd/nand/h1910.c
+++ b/drivers/mtd/nand/h1910.c
@@ -7,7 +7,7 @@
  *       Copyright (C) 2002 Marius Gröger (mag@sysgo.de)
  *       Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
  *
- * $Id: h1910.c,v 1.5 2004/11/04 12:53:10 gleixner Exp $
+ * $Id: h1910.c,v 1.6 2005/11/07 11:14:30 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
@@ -54,24 +54,24 @@ static struct mtd_partition partition_info[] = {
 #endif
 
 
-/* 
+/*
  *      hardware specific access to control-lines
  */
-static void h1910_hwcontrol(struct mtd_info *mtd, int cmd) 
+static void h1910_hwcontrol(struct mtd_info *mtd, int cmd)
 {
         struct nand_chip* this = (struct nand_chip *) (mtd->priv);
-        
+
         switch(cmd) {
-                
-        case NAND_CTL_SETCLE: 
+
+        case NAND_CTL_SETCLE:
                 this->IO_ADDR_R |= (1 << 2);
                 this->IO_ADDR_W |= (1 << 2);
                 break;
-        case NAND_CTL_CLRCLE: 
+        case NAND_CTL_CLRCLE:
                 this->IO_ADDR_R &= ~(1 << 2);
                 this->IO_ADDR_W &= ~(1 << 2);
                 break;
-                
+
         case NAND_CTL_SETALE:
                 this->IO_ADDR_R |= (1 << 3);
                 this->IO_ADDR_W |= (1 << 3);
@@ -80,7 +80,7 @@ static void h1910_hwcontrol(struct mtd_info *mtd, int cmd)
                 this->IO_ADDR_R &= ~(1 << 3);
                 this->IO_ADDR_W &= ~(1 << 3);
                 break;
-                
+
         case NAND_CTL_SETNCE:
                 break;
         case NAND_CTL_CLRNCE:
@@ -108,18 +108,18 @@ static int __init h1910_init (void)
         int mtd_parts_nb = 0;
         struct mtd_partition *mtd_parts = 0;
         void __iomem *nandaddr;
-        
+
         if (!machine_is_h1900())
                 return -ENODEV;
-                
+
         nandaddr = __ioremap(0x08000000, 0x1000, 0, 1);
         if (!nandaddr) {
                 printk("Failed to ioremap nand flash.\n");
                 return -ENOMEM;
         }
-        
+
         /* Allocate memory for MTD device structure and private data */
-        h1910_nand_mtd = kmalloc(sizeof(struct mtd_info) + 
+        h1910_nand_mtd = kmalloc(sizeof(struct mtd_info) +
                              sizeof(struct nand_chip),
                              GFP_KERNEL);
         if (!h1910_nand_mtd) {
@@ -127,22 +127,22 @@ static int __init h1910_init (void)
                 iounmap ((void *) nandaddr);
                 return -ENOMEM;
         }
-        
+
         /* Get pointer to private data */
         this = (struct nand_chip *) (&h1910_nand_mtd[1]);
-        
+
         /* Initialize structures */
         memset((char *) h1910_nand_mtd, 0, sizeof(struct mtd_info));
         memset((char *) this, 0, sizeof(struct nand_chip));
-        
+
         /* Link the private data with the MTD structure */
         h1910_nand_mtd->priv = this;
-        
+
         /*
          * Enable VPEN
          */
         GPSR(37) = GPIO_bit(37);
-        
+
         /* insert callbacks */
         this->IO_ADDR_R = nandaddr;
         this->IO_ADDR_W = nandaddr;
@@ -152,7 +152,7 @@ static int __init h1910_init (void)
         this->chip_delay = 50;
         this->eccmode = NAND_ECC_SOFT;
         this->options = NAND_NO_AUTOINCR;
-        
+
         /* Scan to find existence of the device */
         if (nand_scan (h1910_nand_mtd, 1)) {
                 printk(KERN_NOTICE "No NAND device - returning -ENXIO\n");
@@ -160,9 +160,9 @@ static int __init h1910_init (void)
                 iounmap ((void *) nandaddr);
                 return -ENXIO;
         }
-        
+
 #ifdef CONFIG_MTD_CMDLINE_PARTS
-        mtd_parts_nb = parse_cmdline_partitions(h1910_nand_mtd, &mtd_parts, 
+        mtd_parts_nb = parse_cmdline_partitions(h1910_nand_mtd, &mtd_parts,
                                                 "h1910-nand");
         if (mtd_parts_nb > 0)
           part_type = "command line";
@@ -175,11 +175,11 @@ static int __init h1910_init (void)
                 mtd_parts_nb = NUM_PARTITIONS;
                 part_type = "static";
         }
-        
+
         /* Register the partitions */
         printk(KERN_NOTICE "Using %s partition definition\n", part_type);
         add_mtd_partitions(h1910_nand_mtd, mtd_parts, mtd_parts_nb);
-        
+
         /* Return happy */
         return 0;
 }
@@ -191,7 +191,7 @@ module_init(h1910_init);
 static void __exit h1910_cleanup (void)
 {
         struct nand_chip *this = (struct nand_chip *) &h1910_nand_mtd[1];
-        
+
         /* Release resources, unregister device */
         nand_release (h1910_nand_mtd);
 
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 8e78d7b96a56..5d222460b42a 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -5,14 +5,14 @@
  *   This is the generic MTD driver for NAND flash devices. It should be
  *   capable of working with almost all NAND chips currently available.
  *   Basic support for AG-AND chips is provided.
- *   
+ *
  *      Additional technical information is available on
  *      http://www.linux-mtd.infradead.org/tech/nand.html
- *      
+ *
  *  Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
  *                2002 Thomas Gleixner (tglx@linutronix.de)
  *
- *  02-08-2004  tglx: support for strange chips, which cannot auto increment 
+ *  02-08-2004  tglx: support for strange chips, which cannot auto increment
  *              pages on read / read_oob
  *
  *  03-17-2004  tglx: Check ready before auto increment check. Simon Bayes
@@ -21,7 +21,7 @@
  *              Make reads over block boundaries work too
  *
  *  04-14-2004  tglx: first working version for 2k page size chips
- *  
+ *
  *  05-19-2004  tglx: Basic support for Renesas AG-AND chips
  *
  *  09-24-2004  tglx: add support for hardware controllers (e.g. ECC) shared
@@ -30,25 +30,27 @@
  *
  *  12-05-2004  dmarlin: add workaround for Renesas AG-AND chips "disturb" issue.
  *              Basically, any block not rewritten may lose data when surrounding blocks
- *              are rewritten many times.  JFFS2 ensures this doesn't happen for blocks 
+ *              are rewritten many times.  JFFS2 ensures this doesn't happen for blocks
  *              it uses, but the Bad Block Table(s) may not be rewritten.  To ensure they
  *              do not lose data, force them to be rewritten when some of the surrounding
- *              blocks are erased.  Rather than tracking a specific nearby block (which 
- *              could itself go bad), use a page address 'mask' to select several blocks 
+ *              blocks are erased.  Rather than tracking a specific nearby block (which
+ *              could itself go bad), use a page address 'mask' to select several blocks
  *              in the same area, and rewrite the BBT when any of them are erased.
  *
- *  01-03-2005  dmarlin: added support for the device recovery command sequence for Renesas 
+ *  01-03-2005  dmarlin: added support for the device recovery command sequence for Renesas
  *              AG-AND chips.  If there was a sudden loss of power during an erase operation,
  *              a "device recovery" operation must be performed when power is restored
  *              to ensure correct operation.
  *
- *  01-20-2005  dmarlin: added support for optional hardware specific callback routine to 
+ *  01-20-2005  dmarlin: added support for optional hardware specific callback routine to
  *              perform extra error status checks on erase and write failures.  This required
  *              adding a wrapper function for nand_read_ecc.
  *
+ * 08-20-2005   vwool: suspend/resume added
+ *
  * Credits:
- *      David Woodhouse for adding multichip support  
- *      
+ *      David Woodhouse for adding multichip support
+ *
  *      Aleph One Ltd. and Toby Churchill Ltd. for supporting the
  *      rework for 2K page size chips
  *
@@ -59,7 +61,7 @@
  *      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 1.147 2005/07/15 07:18:06 gleixner Exp $
+ * $Id: nand_base.c,v 1.150 2005/09/15 13:58:48 vwool 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
@@ -103,8 +105,8 @@ static struct nand_oobinfo nand_oob_64 = {
         .useecc = MTD_NANDECC_AUTOPLACE,
         .eccbytes = 24,
         .eccpos = {
-                40, 41, 42, 43, 44, 45, 46, 47, 
-                48, 49, 50, 51, 52, 53, 54, 55, 
+                40, 41, 42, 43, 44, 45, 46, 47,
+                48, 49, 50, 51, 52, 53, 54, 55,
                 56, 57, 58, 59, 60, 61, 62, 63},
         .oobfree = { {2, 38} }
 };
@@ -147,19 +149,19 @@ static void nand_sync (struct mtd_info *mtd);
 static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int page, u_char *oob_buf,
                 struct nand_oobinfo *oobsel, int mode);
 #ifdef CONFIG_MTD_NAND_VERIFY_WRITE
-static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int page, int numpages, 
+static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int page, int numpages,
         u_char *oob_buf, struct nand_oobinfo *oobsel, int chipnr, int oobmode);
 #else
 #define nand_verify_pages(...) (0)
 #endif
-                
-static void nand_get_device (struct nand_chip *this, struct mtd_info *mtd, int new_state);
+
+static int nand_get_device (struct nand_chip *this, struct mtd_info *mtd, int new_state);
 
 /**
  * nand_release_device - [GENERIC] release chip
  * @mtd:        MTD device structure
- * 
- * Deselect, release chip lock and wake up anyone waiting on the device 
+ *
+ * Deselect, release chip lock and wake up anyone waiting on the device
  */
 static void nand_release_device (struct mtd_info *mtd)
 {
@@ -213,7 +215,7 @@ static void nand_write_byte(struct mtd_info *mtd, u_char byte)
  * nand_read_byte16 - [DEFAULT] read one byte endianess aware from the chip
  * @mtd:        MTD device structure
  *
- * Default read function for 16bit buswith with 
+ * Default read function for 16bit buswith with
  * endianess conversion
  */
 static u_char nand_read_byte16(struct mtd_info *mtd)
@@ -240,7 +242,7 @@ static void nand_write_byte16(struct mtd_info *mtd, u_char byte)
  * nand_read_word - [DEFAULT] read one word from the chip
  * @mtd:        MTD device structure
  *
- * Default read function for 16bit buswith without 
+ * Default read function for 16bit buswith without
  * endianess conversion
  */
 static u16 nand_read_word(struct mtd_info *mtd)
@@ -254,7 +256,7 @@ static u16 nand_read_word(struct mtd_info *mtd)
  * @mtd:        MTD device structure
  * @word:       data word to write
  *
- * Default write function for 16bit buswith without 
+ * Default write function for 16bit buswith without
  * endianess conversion
  */
 static void nand_write_word(struct mtd_info *mtd, u16 word)
@@ -275,7 +277,7 @@ static void nand_select_chip(struct mtd_info *mtd, int chip)
         struct nand_chip *this = mtd->priv;
         switch(chip) {
         case -1:
-                this->hwcontrol(mtd, NAND_CTL_CLRNCE);  
+                this->hwcontrol(mtd, NAND_CTL_CLRNCE);
                 break;
         case 0:
                 this->hwcontrol(mtd, NAND_CTL_SETNCE);
@@ -304,7 +306,7 @@ static void nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
 }
 
 /**
- * nand_read_buf - [DEFAULT] read chip data into buffer 
+ * nand_read_buf - [DEFAULT] read chip data into buffer
  * @mtd:        MTD device structure
  * @buf:        buffer to store date
  * @len:        number of bytes to read
@@ -321,7 +323,7 @@ static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
 }
 
 /**
- * nand_verify_buf - [DEFAULT] Verify chip data against buffer 
+ * nand_verify_buf - [DEFAULT] Verify chip data against buffer
  * @mtd:        MTD device structure
  * @buf:        buffer containing the data to compare
  * @len:        number of bytes to compare
@@ -354,14 +356,14 @@ static void nand_write_buf16(struct mtd_info *mtd, const u_char *buf, int len)
         struct nand_chip *this = mtd->priv;
         u16 *p = (u16 *) buf;
         len >>= 1;
-        
+
         for (i=0; i<len; i++)
                 writew(p[i], this->IO_ADDR_W);
-                
+
 }
 
 /**
- * nand_read_buf16 - [DEFAULT] read chip data into buffer 
+ * nand_read_buf16 - [DEFAULT] read chip data into buffer
  * @mtd:        MTD device structure
  * @buf:        buffer to store date
  * @len:        number of bytes to read
@@ -380,7 +382,7 @@ static void nand_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
 }
 
 /**
- * nand_verify_buf16 - [DEFAULT] Verify chip data against buffer 
+ * nand_verify_buf16 - [DEFAULT] Verify chip data against buffer
  * @mtd:        MTD device structure
  * @buf:        buffer containing the data to compare
  * @len:        number of bytes to compare
@@ -407,7 +409,7 @@ static int nand_verify_buf16(struct mtd_info *mtd, const u_char *buf, int len)
  * @ofs:        offset from device start
  * @getchip:    0, if the chip is already selected
  *
- * Check, if the block is bad. 
+ * Check, if the block is bad.
  */
 static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
 {
@@ -424,14 +426,14 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
 
                 /* Select the NAND device */
                 this->select_chip(mtd, chipnr);
-        } else 
-                page = (int) ofs;       
+        } else
+                page = (int) ofs;
 
         if (this->options & NAND_BUSWIDTH_16) {
                 this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos & 0xFE, page & this->pagemask);
                 bad = cpu_to_le16(this->read_word(mtd));
                 if (this->badblockpos & 0x1)
-                        bad >>= 1;
+                        bad >>= 8;
                 if ((bad & 0xFF) != 0xff)
                         res = 1;
         } else {
@@ -439,12 +441,12 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
                 if (this->read_byte(mtd) != 0xff)
                         res = 1;
         }
-                
+
         if (getchip) {
                 /* Deselect and wake up anyone waiting on the device */
                 nand_release_device(mtd);
-        }       
-        
+        }
+
         return res;
 }
 
@@ -462,7 +464,7 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
         u_char buf[2] = {0, 0};
         size_t  retlen;
         int block;
-        
+
         /* Get block number */
         block = ((int) ofs) >> this->bbt_erase_shift;
         if (this->bbt)
@@ -471,25 +473,25 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
         /* Do we have a flash based bad block table ? */
         if (this->options & NAND_USE_FLASH_BBT)
                 return nand_update_bbt (mtd, ofs);
-                
+
         /* We write two bytes, so we dont have to mess with 16 bit access */
         ofs += mtd->oobsize + (this->badblockpos & ~0x01);
         return nand_write_oob (mtd, ofs , 2, &retlen, buf);
 }
 
-/** 
+/**
  * nand_check_wp - [GENERIC] check if the chip is write protected
  * @mtd:        MTD device structure
- * Check, if the device is write protected 
+ * Check, if the device is write protected
  *
- * The function expects, that the device is already selected 
+ * The function expects, that the device is already selected
  */
 static int nand_check_wp (struct mtd_info *mtd)
 {
         struct nand_chip *this = mtd->priv;
         /* Check the WP bit */
         this->cmdfunc (mtd, NAND_CMD_STATUS, -1, -1);
-        return (this->read_byte(mtd) & NAND_STATUS_WP) ? 0 : 1; 
+        return (this->read_byte(mtd) & NAND_STATUS_WP) ? 0 : 1;
 }
 
 /**
@@ -505,15 +507,15 @@ static int nand_check_wp (struct mtd_info *mtd)
 static int nand_block_checkbad (struct mtd_info *mtd, loff_t ofs, int getchip, int allowbbt)
 {
         struct nand_chip *this = mtd->priv;
-        
+
         if (!this->bbt)
                 return this->block_bad(mtd, ofs, getchip);
-        
+
         /* Return info from the table */
         return nand_isbad_bbt (mtd, ofs, allowbbt);
 }
 
-/* 
+/*
  * Wait for the ready pin, after a command
  * The timeout is catched later.
  */
@@ -527,7 +529,7 @@ static void nand_wait_ready(struct mtd_info *mtd)
                 if (this->dev_ready(mtd))
                         return;
                 touch_softlockup_watchdog();
-        } while (time_before(jiffies, timeo));  
+        } while (time_before(jiffies, timeo));
 }
 
 /**
@@ -590,13 +592,13 @@ static void nand_command (struct mtd_info *mtd, unsigned command, int column, in
                 /* Latch in address */
                 this->hwcontrol(mtd, NAND_CTL_CLRALE);
         }
-        
-        /* 
-         * program and erase have their own busy handlers 
+
+        /*
+         * program and erase have their own busy handlers
          * status and sequential in needs no delay
         */
         switch (command) {
-                        
+
         case NAND_CMD_PAGEPROG:
         case NAND_CMD_ERASE1:
         case NAND_CMD_ERASE2:
@@ -605,7 +607,7 @@ static void nand_command (struct mtd_info *mtd, unsigned command, int column, in
                 return;
 
         case NAND_CMD_RESET:
-                if (this->dev_ready)    
+                if (this->dev_ready)
                         break;
                 udelay(this->chip_delay);
                 this->hwcontrol(mtd, NAND_CTL_SETCLE);
@@ -614,16 +616,16 @@ static void nand_command (struct mtd_info *mtd, unsigned command, int column, in
                 while ( !(this->read_byte(mtd) & NAND_STATUS_READY));
                 return;
 
-        /* This applies to read commands */     
+        /* This applies to read commands */
         default:
-                /* 
+                /*
                  * If we don't have access to the busy pin, we apply the given
                  * command delay
                 */
                 if (!this->dev_ready) {
                         udelay (this->chip_delay);
                         return;
-                }       
+                }
         }
         /* Apply this short delay always to ensure that we do wait tWB in
          * any case on any machine. */
@@ -653,8 +655,8 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
                 column += mtd->oobblock;
                 command = NAND_CMD_READ0;
         }
-        
-                
+
+
         /* Begin command latch cycle */
         this->hwcontrol(mtd, NAND_CTL_SETCLE);
         /* Write out the command to the device. */
@@ -672,7 +674,7 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
                                 column >>= 1;
                         this->write_byte(mtd, column & 0xff);
                         this->write_byte(mtd, column >> 8);
-                }       
+                }
                 if (page_addr != -1) {
                         this->write_byte(mtd, (unsigned char) (page_addr & 0xff));
                         this->write_byte(mtd, (unsigned char) ((page_addr >> 8) & 0xff));
@@ -683,13 +685,13 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
                 /* Latch in address */
                 this->hwcontrol(mtd, NAND_CTL_CLRALE);
         }
-        
-        /* 
-         * program and erase have their own busy handlers 
+
+        /*
+         * program and erase have their own busy handlers
          * status, sequential in, and deplete1 need no delay
          */
         switch (command) {
-                        
+
         case NAND_CMD_CACHEDPROG:
         case NAND_CMD_PAGEPROG:
         case NAND_CMD_ERASE1:
@@ -699,7 +701,7 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
         case NAND_CMD_DEPLETE1:
                 return;
 
-        /* 
+        /*
          * read error status commands require only a short delay
          */
         case NAND_CMD_STATUS_ERROR:
@@ -711,7 +713,7 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
                 return;
 
         case NAND_CMD_RESET:
-                if (this->dev_ready)    
+                if (this->dev_ready)
                         break;
                 udelay(this->chip_delay);
                 this->hwcontrol(mtd, NAND_CTL_SETCLE);
@@ -728,17 +730,17 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
                 /* End command latch cycle */
                 this->hwcontrol(mtd, NAND_CTL_CLRCLE);
                 /* Fall through into ready check */
-                
-        /* This applies to read commands */     
+
+        /* This applies to read commands */
         default:
-                /* 
+                /*
                  * If we don't have access to the busy pin, we apply the given
                  * command delay
                 */
                 if (!this->dev_ready) {
                         udelay (this->chip_delay);
                         return;
-                }       
+                }
         }
 
         /* Apply this short delay always to ensure that we do wait tWB in
@@ -752,11 +754,11 @@ static void nand_command_lp (struct mtd_info *mtd, unsigned command, int column,
  * nand_get_device - [GENERIC] Get chip for selected access
  * @this:       the nand chip descriptor
  * @mtd:        MTD device structure
- * @new_state:  the state which is requested 
+ * @new_state:  the state which is requested
  *
  * Get the device and lock it for exclusive access
  */
-static void nand_get_device (struct nand_chip *this, struct mtd_info *mtd, int new_state)
+static int nand_get_device (struct nand_chip *this, struct mtd_info *mtd, int new_state)
 {
         struct nand_chip *active;
         spinlock_t *lock;
@@ -779,7 +781,11 @@ retry:
         if (active == this && this->state == FL_READY) {
                 this->state = new_state;
                 spin_unlock(lock);
-                return;
+                return 0;
+        }
+        if (new_state == FL_PM_SUSPENDED) {
+                spin_unlock(lock);
+                return (this->state == FL_PM_SUSPENDED) ? 0 : -EAGAIN;
         }
         set_current_state(TASK_UNINTERRUPTIBLE);
         add_wait_queue(wq, &wait);
@@ -796,7 +802,7 @@ retry:
  * @state:      state to select the max. timeout value
  *
  * Wait for command done. This applies to erase and program only
- * Erase can take up to 400ms and program up to 20ms according to 
+ * Erase can take up to 400ms and program up to 20ms according to
  * general NAND and SmartMedia specs
  *
 */
@@ -805,7 +811,7 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
 
         unsigned long   timeo = jiffies;
         int     status;
-        
+
         if (state == FL_ERASING)
                  timeo += (HZ * 400) / 1000;
         else
@@ -817,17 +823,17 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
 
         if ((state == FL_ERASING) && (this->options & NAND_IS_AND))
                 this->cmdfunc (mtd, NAND_CMD_STATUS_MULTI, -1, -1);
-        else    
+        else
                 this->cmdfunc (mtd, NAND_CMD_STATUS, -1, -1);
 
-        while (time_before(jiffies, timeo)) {           
+        while (time_before(jiffies, timeo)) {
                 /* Check, if we were interrupted */
                 if (this->state != state)
                         return 0;
 
                 if (this->dev_ready) {
                         if (this->dev_ready(mtd))
-                                break;  
+                                break;
                 } else {
                         if (this->read_byte(mtd) & NAND_STATUS_READY)
                                 break;
@@ -853,7 +859,7 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state)
  *
  * Cached programming is not supported yet.
  */
-static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int page, 
+static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int page,
         u_char *oob_buf,  struct nand_oobinfo *oobsel, int cached)
 {
         int     i, status;
@@ -862,10 +868,10 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa
         int     *oob_config = oobsel->eccpos;
         int     datidx = 0, eccidx = 0, eccsteps = this->eccsteps;
         int     eccbytes = 0;
-        
+
         /* FIXME: Enable cached programming */
         cached = 0;
-        
+
         /* Send command to begin auto page programming */
         this->cmdfunc (mtd, NAND_CMD_SEQIN, 0x00, page);
 
@@ -876,7 +882,7 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa
                 printk (KERN_WARNING "Writing data without ECC to NAND-FLASH is not recommended\n");
                 this->write_buf(mtd, this->data_poi, mtd->oobblock);
                 break;
-                
+
         /* Software ecc 3/256, write all */
         case NAND_ECC_SOFT:
                 for (; eccsteps; eccsteps--) {
@@ -905,11 +911,11 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa
                 }
                 break;
         }
-                                                                                
+
         /* Write out OOB data */
         if (this->options & NAND_HWECC_SYNDROME)
                 this->write_buf(mtd, &oob_buf[oobsel->eccbytes], mtd->oobsize - oobsel->eccbytes);
-        else 
+        else
                 this->write_buf(mtd, oob_buf, mtd->oobsize);
 
         /* Send command to actually program the data */
@@ -934,7 +940,7 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa
                 /* wait until cache is ready*/
                 // status = this->waitfunc (mtd, this, FL_CACHEDRPG);
         }
-        return 0;       
+        return 0;
 }
 
 #ifdef CONFIG_MTD_NAND_VERIFY_WRITE
@@ -950,19 +956,19 @@ static int nand_write_page (struct mtd_info *mtd, struct nand_chip *this, int pa
  * @oobmode:    1 = full buffer verify, 0 = ecc only
  *
  * The NAND device assumes that it is always writing to a cleanly erased page.
- * Hence, it performs its internal write verification only on bits that 
+ * Hence, it performs its internal write verification only on bits that
  * transitioned from 1 to 0. The device does NOT verify the whole page on a
- * byte by byte basis. It is possible that the page was not completely erased 
- * or the page is becoming unusable due to wear. The read with ECC would catch 
- * the error later when the ECC page check fails, but we would rather catch 
+ * byte by byte basis. It is possible that the page was not completely erased
+ * or the page is becoming unusable due to wear. The read with ECC would catch
+ * the error later when the ECC page check fails, but we would rather catch
  * it early in the page write stage. Better to write no data than invalid data.
  */
-static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int page, int numpages, 
+static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int page, int numpages,
         u_char *oob_buf, struct nand_oobinfo *oobsel, int chipnr, int oobmode)
 {
         int     i, j, datidx = 0, oobofs = 0, res = -EIO;
         int     eccsteps = this->eccsteps;
-        int     hweccbytes; 
+        int     hweccbytes;
         u_char  oobdata[64];
 
         hweccbytes = (this->options & NAND_HWECC_SYNDROME) ? (oobsel->eccbytes / eccsteps) : 0;
@@ -1002,7 +1008,7 @@ static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int
 
                         if (oobsel->useecc != MTD_NANDECC_OFF && !hweccbytes) {
                                 int ecccnt = oobsel->eccbytes;
-                
+
                                 for (i = 0; i < ecccnt; i++) {
                                         int idx = oobsel->eccpos[i];
                                         if (oobdata[idx] != oob_buf[oobofs + idx] ) {
@@ -1012,20 +1018,20 @@ static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int
                                                 goto out;
                                         }
                                 }
-                        }       
+                        }
                 }
                 oobofs += mtd->oobsize - hweccbytes * eccsteps;
                 page++;
                 numpages--;
 
-                /* Apply delay or wait for ready/busy pin 
+                /* 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.
                  * Do this also before returning, so the chip is
                  * ready for the next command.
                 */
-                if (!this->dev_ready) 
+                if (!this->dev_ready)
                         udelay (this->chip_delay);
                 else
                         nand_wait_ready(mtd);
@@ -1033,17 +1039,17 @@ static int nand_verify_pages (struct mtd_info *mtd, struct nand_chip *this, int
                 /* All done, return happy */
                 if (!numpages)
                         return 0;
-                
-                        
-                /* Check, if the chip supports auto page increment */ 
+
+
+                /* Check, if the chip supports auto page increment */
                 if (!NAND_CANAUTOINCR(this))
                         this->cmdfunc (mtd, NAND_CMD_READ0, 0x00, page);
         }
-        /* 
+        /*
          * Terminate the read command. We come here in case of an error
          * So we must issue a reset command.
          */
-out:     
+out:
         this->cmdfunc (mtd, NAND_CMD_RESET, -1, -1);
         return res;
 }
@@ -1105,7 +1111,7 @@ static int nand_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
  * NAND read with ECC
  */
 int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
-                             size_t * retlen, u_char * buf, u_char * oob_buf, 
+                             size_t * retlen, u_char * buf, u_char * oob_buf,
                              struct nand_oobinfo *oobsel, int flags)
 {
 
@@ -1139,7 +1145,7 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
         /* Autoplace of oob data ? Use the default placement scheme */
         if (oobsel->useecc == MTD_NANDECC_AUTOPLACE)
                 oobsel = this->autooob;
-                
+
         eccmode = oobsel->useecc ? this->eccmode : NAND_ECC_NONE;
         oob_config = oobsel->eccpos;
 
@@ -1157,28 +1163,28 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
         end = mtd->oobblock;
         ecc = this->eccsize;
         eccbytes = this->eccbytes;
-        
+
         if ((eccmode == NAND_ECC_NONE) || (this->options & NAND_HWECC_SYNDROME))
                 compareecc = 0;
 
         oobreadlen = mtd->oobsize;
-        if (this->options & NAND_HWECC_SYNDROME) 
+        if (this->options & NAND_HWECC_SYNDROME)
                 oobreadlen -= oobsel->eccbytes;
 
         /* Loop until all data read */
         while (read < len) {
-                
+
                 int aligned = (!col && (len - read) >= end);
-                /* 
+                /*
                  * If the read is not page aligned, we have to read into data buffer
                  * due to ecc, else we read into return buffer direct
                  */
                 if (aligned)
                         data_poi = &buf[read];
-                else 
+                else
                         data_poi = this->data_buf;
-                
-                /* Check, if we have this page in the buffer 
+
+                /* Check, if we have this page in the buffer
                  *
                  * FIXME: Make it work when we must provide oob data too,
                  * check the usage of data_buf oob field
@@ -1194,7 +1200,7 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
                 if (sndcmd) {
                         this->cmdfunc (mtd, NAND_CMD_READ0, 0x00, page);
                         sndcmd = 0;
-                }       
+                }
 
                 /* get oob area, if we have no oob buffer from fs-driver */
                 if (!oob_buf || oobsel->useecc == MTD_NANDECC_AUTOPLACE ||
@@ -1202,7 +1208,7 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
                         oob_data = &this->data_buf[end];
 
                 eccsteps = this->eccsteps;
-                
+
                 switch (eccmode) {
                 case NAND_ECC_NONE: {   /* No ECC, Read in a page */
                         static unsigned long lastwhinge = 0;
@@ -1213,12 +1219,12 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
                         this->read_buf(mtd, data_poi, end);
                         break;
                 }
-                        
+
                 case NAND_ECC_SOFT:     /* Software ECC 3/256: Read in a page + oob data */
                         this->read_buf(mtd, data_poi, end);
-                        for (i = 0, datidx = 0; eccsteps; eccsteps--, i+=3, datidx += ecc) 
+                        for (i = 0, datidx = 0; eccsteps; eccsteps--, i+=3, datidx += ecc)
                                 this->calculate_ecc(mtd, &data_poi[datidx], &ecc_calc[i]);
-                        break;  
+                        break;
 
                 default:
                         for (i = 0, datidx = 0; eccsteps; eccsteps--, i+=eccbytes, datidx += ecc) {
@@ -1237,15 +1243,15 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
                                          * does the error correction on the fly */
                                         ecc_status = this->correct_data(mtd, &data_poi[datidx], &oob_data[i], &ecc_code[i]);
                                         if ((ecc_status == -1) || (ecc_status > (flags && 0xff))) {
-                                                DEBUG (MTD_DEBUG_LEVEL0, "nand_read_ecc: " 
+                                                DEBUG (MTD_DEBUG_LEVEL0, "nand_read_ecc: "
                                                         "Failed ECC read, page 0x%08x on chip %d\n", page, chipnr);
                                                 ecc_failed++;
                                         }
                                 } else {
                                         this->calculate_ecc(mtd, &data_poi[datidx], &ecc_calc[i]);
-                                }       
+                                }
                         }
-                        break;                                          
+                        break;
                 }
 
                 /* read oobdata */
@@ -1253,8 +1259,8 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
 
                 /* Skip ECC check, if not requested (ECC_NONE or HW_ECC with syndromes) */
                 if (!compareecc)
-                        goto readoob;   
-                
+                        goto readoob;
+
                 /* Pick the ECC bytes out of the oob data */
                 for (j = 0; j < oobsel->eccbytes; j++)
                         ecc_code[j] = oob_data[oob_config[j]];
@@ -1262,24 +1268,24 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
                 /* correct data, if neccecary */
                 for (i = 0, j = 0, datidx = 0; i < this->eccsteps; i++, datidx += ecc) {
                         ecc_status = this->correct_data(mtd, &data_poi[datidx], &ecc_code[j], &ecc_calc[j]);
-                        
+
                         /* Get next chunk of ecc bytes */
                         j += eccbytes;
-                        
-                        /* Check, if we have a fs supplied oob-buffer, 
+
+                        /* Check, if we have a fs supplied oob-buffer,
                          * This is the legacy mode. Used by YAFFS1
                          * Should go away some day
                          */
-                        if (oob_buf && oobsel->useecc == MTD_NANDECC_PLACE) { 
+                        if (oob_buf && oobsel->useecc == MTD_NANDECC_PLACE) {
                                 int *p = (int *)(&oob_data[mtd->oobsize]);
                                 p[i] = ecc_status;
                         }
-                        
-                        if ((ecc_status == -1) || (ecc_status > (flags && 0xff))) {     
+
+                        if ((ecc_status == -1) || (ecc_status > (flags && 0xff))) {
                                 DEBUG (MTD_DEBUG_LEVEL0, "nand_read_ecc: " "Failed ECC read, page 0x%08x\n", page);
                                 ecc_failed++;
                         }
-                }               
+                }
 
         readoob:
                 /* check, if we have a fs supplied oob-buffer */
@@ -1305,25 +1311,25 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
                 }
         readdata:
                 /* Partial page read, transfer data into fs buffer */
-                if (!aligned) { 
+                if (!aligned) {
                         for (j = col; j < end && read < len; j++)
                                 buf[read++] = data_poi[j];
-                        this->pagebuf = realpage;       
-                } else          
+                        this->pagebuf = realpage;
+                } else
                         read += mtd->oobblock;
 
-                /* Apply delay or wait for ready/busy pin 
+                /* 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) 
+                if (!this->dev_ready)
                         udelay (this->chip_delay);
                 else
                         nand_wait_ready(mtd);
-                        
+
                 if (read == len)
-                        break;  
+                        break;
 
                 /* For subsequent reads align to page boundary. */
                 col = 0;
@@ -1337,11 +1343,11 @@ int nand_do_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
                         this->select_chip(mtd, -1);
                         this->select_chip(mtd, chipnr);
                 }
-                /* Check, if the chip supports auto page increment 
-                 * or if we have hit a block boundary. 
-                */ 
+                /* Check, if the chip supports auto page increment
+                 * or if we have hit a block boundary.
+                */
                 if (!NAND_CANAUTOINCR(this) || !(page & blockcheck))
-                        sndcmd = 1;                             
+                        sndcmd = 1;
         }
 
         /* Deselect and wake up anyone waiting on the device */
@@ -1378,7 +1384,7 @@ static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t
         /* Shift to get page */
         page = (int)(from >> this->page_shift);
         chipnr = (int)(from >> this->chip_shift);
-        
+
         /* Mask to get column */
         col = from & (mtd->oobsize - 1);
 
@@ -1400,7 +1406,7 @@ static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t
 
         /* Send the read command */
         this->cmdfunc (mtd, NAND_CMD_READOOB, col, page & this->pagemask);
-        /* 
+        /*
          * Read the data, if we read more than one page
          * oob data, let the device transfer the data !
          */
@@ -1422,20 +1428,20 @@ static int nand_read_oob (struct mtd_info *mtd, loff_t from, size_t len, size_t
                                 this->select_chip(mtd, -1);
                                 this->select_chip(mtd, chipnr);
                         }
-                                
-                        /* Apply delay or wait for ready/busy pin 
+
+                        /* 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) 
+                        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. 
-                        */ 
+                        /* Check, if the chip supports auto page increment
+                         * or if we have hit a block boundary.
+                        */
                         if (!NAND_CANAUTOINCR(this) || !(page & blockcheck)) {
                                 /* For subsequent page reads set offset to 0 */
                                 this->cmdfunc (mtd, NAND_CMD_READOOB, 0x0, page & this->pagemask);
@@ -1481,27 +1487,27 @@ int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len,
         nand_get_device (this, mtd , FL_READING);
 
         this->select_chip (mtd, chip);
-        
+
         /* Add requested oob length */
         len += ooblen;
-        
+
         while (len) {
                 if (sndcmd)
                         this->cmdfunc (mtd, NAND_CMD_READ0, 0, page & this->pagemask);
-                sndcmd = 0;     
+                sndcmd = 0;
 
                 this->read_buf (mtd, &buf[cnt], pagesize);
 
                 len -= pagesize;
                 cnt += pagesize;
                 page++;
-                
-                if (!this->dev_ready) 
+
+                if (!this->dev_ready)
                         udelay (this->chip_delay);
                 else
                         nand_wait_ready(mtd);
-                        
-                /* Check, if the chip supports auto page increment */ 
+
+                /* Check, if the chip supports auto page increment */
                 if (!NAND_CANAUTOINCR(this) || !(page & blockcheck))
                         sndcmd = 1;
         }
@@ -1512,8 +1518,8 @@ int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len,
 }
 
 
-/** 
- * nand_prepare_oobbuf - [GENERIC] Prepare the out of band buffer 
+/**
+ * nand_prepare_oobbuf - [GENERIC] Prepare the out of band buffer
  * @mtd:        MTD device structure
  * @fsbuf:      buffer given by fs driver
  * @oobsel:     out of band selection structre
@@ -1542,20 +1548,20 @@ static u_char * nand_prepare_oobbuf (struct mtd_info *mtd, u_char *fsbuf, struct
         int i, len, ofs;
 
         /* Zero copy fs supplied buffer */
-        if (fsbuf && !autoplace) 
+        if (fsbuf && !autoplace)
                 return fsbuf;
 
         /* Check, if the buffer must be filled with ff again */
-        if (this->oobdirty) {   
-                memset (this->oob_buf, 0xff, 
+        if (this->oobdirty) {
+                memset (this->oob_buf, 0xff,
                         mtd->oobsize << (this->phys_erase_shift - this->page_shift));
                 this->oobdirty = 0;
-        }       
-        
+        }
+
         /* If we have no autoplacement or no fs buffer use the internal one */
         if (!autoplace || !fsbuf)
                 return this->oob_buf;
-        
+
         /* Walk through the pages and place the data */
         this->oobdirty = 1;
         ofs = 0;
@@ -1589,7 +1595,7 @@ static int nand_write (struct mtd_info *mtd, loff_t to, size_t len, size_t * ret
 {
         return (nand_write_ecc (mtd, to, len, retlen, buf, NULL, NULL));
 }
-                           
+
 /**
  * nand_write_ecc - [MTD Interface] NAND write with ECC
  * @mtd:        MTD device structure
@@ -1622,7 +1628,7 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
                 return -EINVAL;
         }
 
-        /* reject writes, which are not page aligned */ 
+        /* reject writes, which are not page aligned */
         if (NOTALIGNED (to) || NOTALIGNED(len)) {
                 printk (KERN_NOTICE "nand_write_ecc: Attempt to write not page aligned data\n");
                 return -EINVAL;
@@ -1641,14 +1647,14 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
                 goto out;
 
         /* if oobsel is NULL, use chip defaults */
-        if (oobsel == NULL) 
-                oobsel = &mtd->oobinfo;         
-                
+        if (oobsel == NULL)
+                oobsel = &mtd->oobinfo;
+
         /* Autoplace of oob data ? Use the default placement scheme */
         if (oobsel->useecc == MTD_NANDECC_AUTOPLACE) {
                 oobsel = this->autooob;
                 autoplace = 1;
-        }       
+        }
         if (oobsel->useecc == MTD_NANDECC_AUTOPL_USR)
                 autoplace = 1;
 
@@ -1656,9 +1662,9 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
         totalpages = len >> this->page_shift;
         page = (int) (to >> this->page_shift);
         /* Invalidate the page cache, if we write to the cached page */
-        if (page <= this->pagebuf && this->pagebuf < (page + totalpages))  
+        if (page <= this->pagebuf && this->pagebuf < (page + totalpages))
                 this->pagebuf = -1;
-        
+
         /* Set it relative to chip */
         page &= this->pagemask;
         startpage = page;
@@ -1680,14 +1686,14 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
                 if (ret) {
                         DEBUG (MTD_DEBUG_LEVEL0, "nand_write_ecc: write_page failed %d\n", ret);
                         goto out;
-                }       
+                }
                 /* Next oob page */
                 oob += mtd->oobsize;
                 /* Update written bytes count */
                 written += mtd->oobblock;
-                if (written == len) 
+                if (written == len)
                         goto cmp;
-                
+
                 /* Increment page address */
                 page++;
 
@@ -1698,13 +1704,13 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
                 if (!(page & (ppblock - 1))){
                         int ofs;
                         this->data_poi = bufstart;
-                        ret = nand_verify_pages (mtd, this, startpage, 
+                        ret = nand_verify_pages (mtd, this, startpage,
                                 page - startpage,
                                 oobbuf, oobsel, chipnr, (eccbuf != NULL));
                         if (ret) {
                                 DEBUG (MTD_DEBUG_LEVEL0, "nand_write_ecc: verify_pages failed %d\n", ret);
                                 goto out;
-                        }       
+                        }
                         *retlen = written;
 
                         ofs = autoplace ? mtd->oobavail : mtd->oobsize;
@@ -1714,8 +1720,9 @@ static int nand_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
                         numpages = min (totalpages, ppblock);
                         page &= this->pagemask;
                         startpage = page;
-                        oobbuf = nand_prepare_oobbuf (mtd, eccbuf, oobsel, 
+                        oobbuf = nand_prepare_oobbuf (mtd, eccbuf, oobsel,
                                         autoplace, numpages);
+                        oob = 0;
                         /* Check, if we cross a chip boundary */
                         if (!page) {
                                 chipnr++;
@@ -1731,7 +1738,7 @@ cmp:
                 oobbuf, oobsel, chipnr, (eccbuf != NULL));
         if (!ret)
                 *retlen = written;
-        else    
+        else
                 DEBUG (MTD_DEBUG_LEVEL0, "nand_write_ecc: verify_pages failed %d\n", ret);
 
 out:
@@ -1791,7 +1798,7 @@ static int nand_write_oob (struct mtd_info *mtd, loff_t to, size_t len, size_t *
         /* Check, if it is write protected */
         if (nand_check_wp(mtd))
                 goto out;
-        
+
         /* Invalidate the page cache, if we write to the cached page */
         if (page == this->pagebuf)
                 this->pagebuf = -1;
@@ -1854,10 +1861,10 @@ out:
  *
  * NAND write with kvec. This just calls the ecc function
  */
-static int nand_writev (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, 
+static int nand_writev (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count,
                 loff_t to, size_t * retlen)
 {
-        return (nand_writev_ecc (mtd, vecs, count, to, retlen, NULL, NULL));    
+        return (nand_writev_ecc (mtd, vecs, count, to, retlen, NULL, NULL));
 }
 
 /**
@@ -1872,7 +1879,7 @@ static int nand_writev (struct mtd_info *mtd, const struct kvec *vecs, unsigned
  *
  * NAND write with iovec with ecc
  */
-static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count, 
+static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsigned long count,
                 loff_t to, size_t * retlen, u_char *eccbuf, struct nand_oobinfo *oobsel)
 {
         int i, page, len, total_len, ret = -EIO, written = 0, chipnr;
@@ -1898,7 +1905,7 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
                 return -EINVAL;
         }
 
-        /* reject writes, which are not page aligned */ 
+        /* reject writes, which are not page aligned */
         if (NOTALIGNED (to) || NOTALIGNED(total_len)) {
                 printk (KERN_NOTICE "nand_write_ecc: Attempt to write not page aligned data\n");
                 return -EINVAL;
@@ -1917,21 +1924,21 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
                 goto out;
 
         /* if oobsel is NULL, use chip defaults */
-        if (oobsel == NULL) 
-                oobsel = &mtd->oobinfo;         
+        if (oobsel == NULL)
+                oobsel = &mtd->oobinfo;
 
         /* Autoplace of oob data ? Use the default placement scheme */
         if (oobsel->useecc == MTD_NANDECC_AUTOPLACE) {
                 oobsel = this->autooob;
                 autoplace = 1;
-        }       
+        }
         if (oobsel->useecc == MTD_NANDECC_AUTOPL_USR)
                 autoplace = 1;
 
         /* Setup start page */
         page = (int) (to >> this->page_shift);
         /* Invalidate the page cache, if we write to the cached page */
-        if (page <= this->pagebuf && this->pagebuf < ((to + total_len) >> this->page_shift))  
+        if (page <= this->pagebuf && this->pagebuf < ((to + total_len) >> this->page_shift))
                 this->pagebuf = -1;
 
         startpage = page & this->pagemask;
@@ -1955,10 +1962,10 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
                         oob = 0;
                         for (i = 1; i <= numpages; i++) {
                                 /* Write one page. If this is the last page to write
-                                 * then use the real pageprogram command, else select 
+                                 * then use the real pageprogram command, else select
                                  * cached programming if supported by the chip.
                                  */
-                                ret = nand_write_page (mtd, this, page & this->pagemask, 
+                                ret = nand_write_page (mtd, this, page & this->pagemask,
                                         &oobbuf[oob], oobsel, i != numpages);
                                 if (ret)
                                         goto out;
@@ -1974,12 +1981,12 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
                                 count--;
                         }
                 } else {
-                        /* We must use the internal buffer, read data out of each 
+                        /* We must use the internal buffer, read data out of each
                          * tuple until we have a full page to write
                          */
                         int cnt = 0;
                         while (cnt < mtd->oobblock) {
-                                if (vecs->iov_base != NULL && vecs->iov_len) 
+                                if (vecs->iov_base != NULL && vecs->iov_len)
                                         this->data_buf[cnt++] = ((u_char *) vecs->iov_base)[len++];
                                 /* Check, if we have to switch to the next tuple */
                                 if (len >= (int) vecs->iov_len) {
@@ -1988,10 +1995,10 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
                                         count--;
                                 }
                         }
-                        this->pagebuf = page;   
-                        this->data_poi = this->data_buf;        
+                        this->pagebuf = page;
+                        this->data_poi = this->data_buf;
                         bufstart = this->data_poi;
-                        numpages = 1;           
+                        numpages = 1;
                         oobbuf = nand_prepare_oobbuf (mtd, NULL, oobsel, autoplace, numpages);
                         ret = nand_write_page (mtd, this, page & this->pagemask,
                                 oobbuf, oobsel, 0);
@@ -2004,7 +2011,7 @@ static int nand_writev_ecc (struct mtd_info *mtd, const struct kvec *vecs, unsig
                 ret = nand_verify_pages (mtd, this, startpage, numpages, oobbuf, oobsel, chipnr, 0);
                 if (ret)
                         goto out;
-                        
+
                 written += mtd->oobblock * numpages;
                 /* All done ? */
                 if (!count)
@@ -2072,7 +2079,7 @@ static int nand_erase (struct mtd_info *mtd, struct erase_info *instr)
 {
         return nand_erase_nand (mtd, instr, 0);
 }
- 
+
 #define BBT_PAGE_MASK   0xffffff3f
 /**
  * nand_erase_intern - [NAND Interface] erase block(s)
@@ -2154,14 +2161,14 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
                         instr->state = MTD_ERASE_FAILED;
                         goto erase_exit;
                 }
-                
-                /* Invalidate the page cache, if we erase the block which contains 
+
+                /* Invalidate the page cache, if we erase the block which contains
                    the current cached page */
                 if (page <= this->pagebuf && this->pagebuf < (page + pages_per_block))
                         this->pagebuf = -1;
 
                 this->erase_cmd (mtd, page & this->pagemask);
-                
+
                 status = this->waitfunc (mtd, this, FL_ERASING);
 
                 /* See if operation failed and additional status checks are available */
@@ -2179,12 +2186,12 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
 
                 /* if BBT requires refresh, set the BBT rewrite flag to the page being erased */
                 if (this->options & BBT_AUTO_REFRESH) {
-                        if (((page & BBT_PAGE_MASK) == bbt_masked_page) && 
+                        if (((page & BBT_PAGE_MASK) == bbt_masked_page) &&
                              (page != this->bbt_td->pages[chipnr])) {
                                 rewrite_bbt[chipnr] = (page << this->page_shift);
                         }
                 }
-                
+
                 /* Increment page address and decrement length */
                 len -= (1 << this->phys_erase_shift);
                 page += pages_per_block;
@@ -2195,7 +2202,7 @@ int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbb
                         this->select_chip(mtd, -1);
                         this->select_chip(mtd, chipnr);
 
-                        /* if BBT requires refresh and BBT-PERCHIP, 
+                        /* if BBT requires refresh and BBT-PERCHIP,
                          *   set the BBT page mask to see if this BBT should be rewritten */
                         if ((this->options & BBT_AUTO_REFRESH) && (this->bbt_td->options & NAND_BBT_PERCHIP)) {
                                 bbt_masked_page = this->bbt_td->pages[chipnr] & BBT_PAGE_MASK;
@@ -2220,7 +2227,7 @@ erase_exit:
                 for (chipnr = 0; chipnr < this->numchips; chipnr++) {
                         if (rewrite_bbt[chipnr]) {
                                 /* update the BBT for chip */
-                                DEBUG (MTD_DEBUG_LEVEL0, "nand_erase_nand: nand_update_bbt (%d:0x%0x 0x%0x)\n", 
+                                DEBUG (MTD_DEBUG_LEVEL0, "nand_erase_nand: nand_update_bbt (%d:0x%0x 0x%0x)\n",
                                         chipnr, rewrite_bbt[chipnr], this->bbt_td->pages[chipnr]);
                                 nand_update_bbt (mtd, rewrite_bbt[chipnr]);
                         }
@@ -2258,9 +2265,9 @@ static void nand_sync (struct mtd_info *mtd)
 static int nand_block_isbad (struct mtd_info *mtd, loff_t ofs)
 {
         /* Check for invalid offset */
-        if (ofs > mtd->size) 
+        if (ofs > mtd->size)
                 return -EINVAL;
-        
+
         return nand_block_checkbad (mtd, ofs, 1, 0);
 }
 
@@ -2285,6 +2292,34 @@ static int nand_block_markbad (struct mtd_info *mtd, loff_t ofs)
 }
 
 /**
+ * nand_suspend - [MTD Interface] Suspend the NAND flash
+ * @mtd:        MTD device structure
+ */
+static int nand_suspend(struct mtd_info *mtd)
+{
+        struct nand_chip *this = mtd->priv;
+
+        return nand_get_device (this, mtd, FL_PM_SUSPENDED);
+}
+
+/**
+ * nand_resume - [MTD Interface] Resume the NAND flash
+ * @mtd:        MTD device structure
+ */
+static void nand_resume(struct mtd_info *mtd)
+{
+        struct nand_chip *this = mtd->priv;
+
+        if (this->state == FL_PM_SUSPENDED)
+                nand_release_device(mtd);
+        else
+                printk(KERN_ERR "resume() called for the chip which is not "
+                                "in suspended state\n");
+
+}
+
+
+/**
  * nand_scan - [NAND Interface] Scan for the NAND device
  * @mtd:        MTD device structure
  * @maxchips:   Number of chips to scan for
@@ -2351,13 +2386,13 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
 
         /* Print and store flash device information */
         for (i = 0; nand_flash_ids[i].name != NULL; i++) {
-                                
-                if (nand_dev_id != nand_flash_ids[i].id) 
+
+                if (nand_dev_id != nand_flash_ids[i].id)
                         continue;
 
                 if (!mtd->name) mtd->name = nand_flash_ids[i].name;
                 this->chipsize = nand_flash_ids[i].chipsize << 20;
-                
+
                 /* New devices have all the information in additional id bytes */
                 if (!nand_flash_ids[i].pagesize) {
                         int extid;
@@ -2369,14 +2404,14 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
                         mtd->oobblock = 1024 << (extid & 0x3);
                         extid >>= 2;
                         /* Calc oobsize */
-                        mtd->oobsize = (8 << (extid & 0x03)) * (mtd->oobblock / 512);
+                        mtd->oobsize = (8 << (extid & 0x01)) * (mtd->oobblock >> 9);
                         extid >>= 2;
                         /* Calc blocksize. Blocksize is multiples of 64KiB */
                         mtd->erasesize = (64 * 1024)  << (extid & 0x03);
                         extid >>= 2;
                         /* Get buswidth information */
                         busw = (extid & 0x01) ? NAND_BUSWIDTH_16 : 0;
-                
+
                 } else {
                         /* Old devices have this data hardcoded in the
                          * device id table */
@@ -2396,23 +2431,23 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
                  * this correct ! */
                 if (busw != (this->options & NAND_BUSWIDTH_16)) {
                         printk (KERN_INFO "NAND device: Manufacturer ID:"
-                                " 0x%02x, Chip ID: 0x%02x (%s %s)\n", nand_maf_id, nand_dev_id, 
+                                " 0x%02x, Chip ID: 0x%02x (%s %s)\n", nand_maf_id, nand_dev_id,
                                 nand_manuf_ids[maf_id].name , mtd->name);
-                        printk (KERN_WARNING 
-                                "NAND bus width %d instead %d bit\n", 
+                        printk (KERN_WARNING
+                                "NAND bus width %d instead %d bit\n",
                                         (this->options & NAND_BUSWIDTH_16) ? 16 : 8,
                                         busw ? 16 : 8);
                         this->select_chip(mtd, -1);
-                        return 1;       
+                        return 1;
                 }
-                
-                /* Calculate the address shift from the page size */    
+
+                /* Calculate the address shift from the page size */
                 this->page_shift = ffs(mtd->oobblock) - 1;
                 this->bbt_erase_shift = this->phys_erase_shift = ffs(mtd->erasesize) - 1;
                 this->chip_shift = ffs(this->chipsize) - 1;
 
                 /* Set the bad block position */
-                this->badblockpos = mtd->oobblock > 512 ? 
+                this->badblockpos = mtd->oobblock > 512 ?
                         NAND_LARGE_BADBLOCK_POS : NAND_SMALL_BADBLOCK_POS;
 
                 /* Get chip options, preserve non chip based options */
@@ -2422,10 +2457,10 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
                 this->options |= NAND_NO_AUTOINCR;
                 /* Check if this is a not a samsung device. Do not clear the options
                  * for chips which are not having an extended id.
-                 */     
+                 */
                 if (nand_maf_id != NAND_MFR_SAMSUNG && !nand_flash_ids[i].pagesize)
                         this->options &= ~NAND_SAMSUNG_LP_OPTIONS;
-                
+
                 /* Check for AND chips with 4 page planes */
                 if (this->options & NAND_4PAGE_ARRAY)
                         this->erase_cmd = multi_erase_cmd;
@@ -2435,9 +2470,9 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
                 /* Do not replace user supplied command function ! */
                 if (mtd->oobblock > 512 && this->cmdfunc == nand_command)
                         this->cmdfunc = nand_command_lp;
-                                
+
                 printk (KERN_INFO "NAND device: Manufacturer ID:"
-                        " 0x%02x, Chip ID: 0x%02x (%s %s)\n", nand_maf_id, nand_dev_id, 
+                        " 0x%02x, Chip ID: 0x%02x (%s %s)\n", nand_maf_id, nand_dev_id,
                         nand_manuf_ids[maf_id].name , nand_flash_ids[i].name);
                 break;
         }
@@ -2461,7 +2496,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
         }
         if (i > 1)
                 printk(KERN_INFO "%d NAND chips detected\n", i);
-        
+
         /* Allocate buffers, if neccecary */
         if (!this->oob_buf) {
                 size_t len;
@@ -2473,7 +2508,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
                 }
                 this->options |= NAND_OOBBUF_ALLOC;
         }
-        
+
         if (!this->data_buf) {
                 size_t len;
                 len = mtd->oobblock + mtd->oobsize;
@@ -2500,7 +2535,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
         if (!this->autooob) {
                 /* Select the appropriate default oob placement scheme for
                  * placement agnostic filesystems */
-                switch (mtd->oobsize) { 
+                switch (mtd->oobsize) {
                 case 8:
                         this->autooob = &nand_oob_8;
                         break;
@@ -2516,19 +2551,19 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
                         BUG();
                 }
         }
-        
+
         /* The number of bytes available for the filesystem to place fs dependend
          * oob data */
         mtd->oobavail = 0;
         for (i = 0; this->autooob->oobfree[i][1]; i++)
                 mtd->oobavail += this->autooob->oobfree[i][1];
 
-        /* 
+        /*
          * check ECC mode, default to software
          * if 3byte/512byte hardware ECC is selected and we have 256 byte pagesize
-         * fallback to software ECC 
+         * fallback to software ECC
         */
-        this->eccsize = 256;    /* set default eccsize */       
+        this->eccsize = 256;    /* set default eccsize */
         this->eccbytes = 3;
 
         switch (this->eccmode) {
@@ -2543,56 +2578,56 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
                         this->eccsize = 2048;
                 break;
 
-        case NAND_ECC_HW3_512: 
-        case NAND_ECC_HW6_512: 
-        case NAND_ECC_HW8_512: 
+        case NAND_ECC_HW3_512:
+        case NAND_ECC_HW6_512:
+        case NAND_ECC_HW8_512:
                 if (mtd->oobblock == 256) {
                         printk (KERN_WARNING "512 byte HW ECC not possible on 256 Byte pagesize, fallback to SW ECC \n");
                         this->eccmode = NAND_ECC_SOFT;
                         this->calculate_ecc = nand_calculate_ecc;
                         this->correct_data = nand_correct_data;
-                } else 
+                } else
                         this->eccsize = 512; /* set eccsize to 512 */
                 break;
-                        
+
         case NAND_ECC_HW3_256:
                 break;
-                
-        case NAND_ECC_NONE: 
+
+        case NAND_ECC_NONE:
                 printk (KERN_WARNING "NAND_ECC_NONE selected by board driver. This is not recommended !!\n");
                 this->eccmode = NAND_ECC_NONE;
                 break;
 
-        case NAND_ECC_SOFT:     
+        case NAND_ECC_SOFT:
                 this->calculate_ecc = nand_calculate_ecc;
                 this->correct_data = nand_correct_data;
                 break;
 
         default:
                 printk (KERN_WARNING "Invalid NAND_ECC_MODE %d\n", this->eccmode);
-                BUG();  
-        }       
+                BUG();
+        }
 
-        /* Check hardware ecc function availability and adjust number of ecc bytes per 
+        /* Check hardware ecc function availability and adjust number of ecc bytes per
          * calculation step
         */
         switch (this->eccmode) {
         case NAND_ECC_HW12_2048:
                 this->eccbytes += 4;
-        case NAND_ECC_HW8_512: 
+        case NAND_ECC_HW8_512:
                 this->eccbytes += 2;
-        case NAND_ECC_HW6_512: 
+        case NAND_ECC_HW6_512:
                 this->eccbytes += 3;
-        case NAND_ECC_HW3_512: 
+        case NAND_ECC_HW3_512:
         case NAND_ECC_HW3_256:
                 if (this->calculate_ecc && this->correct_data && this->enable_hwecc)
                         break;
                 printk (KERN_WARNING "No ECC functions supplied, Hardware ECC not possible\n");
-                BUG();  
+                BUG();
         }
-                
+
         mtd->eccsize = this->eccsize;
-        
+
         /* Set the number of read / write steps for one page to ensure ECC generation */
         switch (this->eccmode) {
         case NAND_ECC_HW12_2048:
@@ -2604,15 +2639,15 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
                 this->eccsteps = mtd->oobblock / 512;
                 break;
         case NAND_ECC_HW3_256:
-        case NAND_ECC_SOFT:     
+        case NAND_ECC_SOFT:
                 this->eccsteps = mtd->oobblock / 256;
                 break;
-                
-        case NAND_ECC_NONE: 
+
+        case NAND_ECC_NONE:
                 this->eccsteps = 1;
                 break;
         }
-        
+
         /* Initialize state, waitqueue and spinlock */
         this->state = FL_READY;
         init_waitqueue_head (&this->wq);
@@ -2643,8 +2678,8 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
         mtd->sync = nand_sync;
         mtd->lock = NULL;
         mtd->unlock = NULL;
-        mtd->suspend = NULL;
-        mtd->resume = NULL;
+        mtd->suspend = nand_suspend;
+        mtd->resume = nand_resume;
         mtd->block_isbad = nand_block_isbad;
         mtd->block_markbad = nand_block_markbad;
 
@@ -2652,7 +2687,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
         memcpy(&mtd->oobinfo, this->autooob, sizeof(mtd->oobinfo));
 
         mtd->owner = THIS_MODULE;
-        
+
         /* Check, if we should skip the bad block table scan */
         if (this->options & NAND_SKIP_BBTSCAN)
                 return 0;
@@ -2662,7 +2697,7 @@ int nand_scan (struct mtd_info *mtd, int maxchips)
 }
 
 /**
- * nand_release - [NAND Interface] Free resources held by the NAND device 
+ * nand_release - [NAND Interface] Free resources held by the NAND device
  * @mtd:        MTD device structure
 */
 void nand_release (struct mtd_info *mtd)
diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
index 7535ef53685e..ca286999fe08 100644
--- a/drivers/mtd/nand/nand_bbt.c
+++ b/drivers/mtd/nand/nand_bbt.c
@@ -3,10 +3,10 @@
  *
  *  Overview:
  *   Bad block table support for the NAND driver
- *   
+ *
  *  Copyright (C) 2004 Thomas Gleixner (tglx@linutronix.de)
  *
- * $Id: nand_bbt.c,v 1.35 2005/07/15 13:53:47 gleixner Exp $
+ * $Id: nand_bbt.c,v 1.36 2005/11/07 11:14:30 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
@@ -14,23 +14,23 @@
  *
  * Description:
  *
- * When nand_scan_bbt is called, then it tries to find the bad block table 
- * depending on the options in the bbt descriptor(s). If a bbt is found 
- * then the contents are read and the memory based bbt is created. If a 
+ * When nand_scan_bbt is called, then it tries to find the bad block table
+ * depending on the options in the bbt descriptor(s). If a bbt is found
+ * then the contents are read and the memory based bbt is created. If a
  * mirrored bbt is selected then the mirror is searched too and the
- * versions are compared. If the mirror has a greater version number 
+ * versions are compared. If the mirror has a greater version number
  * than the mirror bbt is used to build the memory based bbt.
  * If the tables are not versioned, then we "or" the bad block information.
- * If one of the bbt's is out of date or does not exist it is (re)created. 
- * If no bbt exists at all then the device is scanned for factory marked 
- * good / bad blocks and the bad block tables are created. 
+ * If one of the bbt's is out of date or does not exist it is (re)created.
+ * If no bbt exists at all then the device is scanned for factory marked
+ * good / bad blocks and the bad block tables are created.
  *
- * For manufacturer created bbts like the one found on M-SYS DOC devices 
+ * For manufacturer created bbts like the one found on M-SYS DOC devices
  * the bbt is searched and read but never created
  *
- * The autogenerated bad block table is located in the last good blocks 
- * of the device. The table is mirrored, so it can be updated eventually. 
- * The table is marked in the oob area with an ident pattern and a version 
+ * The autogenerated bad block table is located in the last good blocks
+ * of the device. The table is mirrored, so it can be updated eventually.
+ * The table is marked in the oob area with an ident pattern and a version
  * number which indicates which of both tables is more up to date.
  *
  * The table uses 2 bits per block
@@ -43,13 +43,13 @@
  * 01b:         block is marked bad due to wear
  * 10b:         block is reserved (to protect the bbt area)
  * 11b:         block is factory marked bad
- * 
+ *
  * Multichip devices like DOC store the bad block info per floor.
  *
  * Following assumptions are made:
  * - bbts start at a page boundary, if autolocated on a block boundary
  * - the space neccecary for a bbt in FLASH does not exceed a block boundary
- * 
+ *
  */
 
 #include <linux/slab.h>
@@ -62,7 +62,7 @@
 #include <linux/delay.h>
 
 
-/** 
+/**
  * check_pattern - [GENERIC] check if a pattern is in the buffer
  * @buf:        the buffer to search
  * @len:        the length of buffer to search
@@ -86,9 +86,9 @@ static int check_pattern (uint8_t *buf, int len, int paglen, struct nand_bbt_des
                         if (p[i] != 0xff)
                                 return -1;
                 }
-        }       
+        }
         p += end;
-        
+
         /* Compare the pattern */
         for (i = 0; i < td->len; i++) {
                 if (p[i] != td->pattern[i])
@@ -106,13 +106,13 @@ static int check_pattern (uint8_t *buf, int len, int paglen, struct nand_bbt_des
         return 0;
 }
 
-/** 
+/**
  * check_short_pattern - [GENERIC] check if a pattern is in the buffer
  * @buf:        the buffer to search
  * @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 
+ * tables and good / bad block identifiers. Same as check_pattern, but
  * no optional empty check
  *
 */
@@ -142,7 +142,7 @@ static int check_short_pattern (uint8_t *buf, struct nand_bbt_descr *td)
  * Read the bad block table starting from page.
  *
  */
-static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num, 
+static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num,
         int bits, int offs, int reserved_block_code)
 {
         int res, i, j, act = 0;
@@ -153,7 +153,7 @@ static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num,
 
         totlen = (num * bits) >> 3;
         from = ((loff_t)page) << this->page_shift;
-        
+
         while (totlen) {
                 len = min (totlen, (size_t) (1 << this->bbt_erase_shift));
                 res = mtd->read_ecc (mtd, from, len, &retlen, buf, NULL, this->autooob);
@@ -163,7 +163,7 @@ static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num,
                                 return res;
                         }
                         printk (KERN_WARNING "nand_bbt: ECC error while reading bad block table\n");
-                }       
+                }
 
                 /* Analyse data */
                 for (i = 0; i < len; i++) {
@@ -183,12 +183,12 @@ static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num,
                                  * message to MTD_DEBUG_LEVEL0 */
                                 printk (KERN_DEBUG "nand_read_bbt: Bad block at 0x%08x\n",
                                         ((offs << 2) + (act >> 1)) << this->bbt_erase_shift);
-                                /* Factory marked bad or worn out ? */  
+                                /* Factory marked bad or worn out ? */
                                 if (tmp == 0)
                                         this->bbt[offs + (act >> 3)] |= 0x3 << (act & 0x06);
                                 else
                                         this->bbt[offs + (act >> 3)] |= 0x1 << (act & 0x06);
-                        }       
+                        }
                 }
                 totlen -= len;
                 from += len;
@@ -200,7 +200,7 @@ static int read_bbt (struct mtd_info *mtd, uint8_t *buf, int page, int num,
  * read_abs_bbt - [GENERIC] Read the bad block table starting at a given page
  * @mtd:        MTD device structure
  * @buf:        temporary buffer
- * @td:         descriptor for the bad block table 
+ * @td:         descriptor for the bad block table
  * @chip:       read the table for a specific chip, -1 read all chips.
  *              Applies only if NAND_BBT_PERCHIP option is set
  *
@@ -235,7 +235,7 @@ static int read_abs_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_des
  * read_abs_bbts - [GENERIC] Read the bad block table(s) for all chips starting at a given page
  * @mtd:        MTD device structure
  * @buf:        temporary buffer
- * @td:         descriptor for the bad block table 
+ * @td:         descriptor for the bad block table
  * @md:         descriptor for the bad block table mirror
  *
  * Read the bad block table(s) for all chips starting at a given page
@@ -247,16 +247,16 @@ static int read_abs_bbts (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_de
 {
         struct nand_chip *this = mtd->priv;
 
-        /* Read the primary version, if available */    
+        /* Read the primary version, if available */
         if (td->options & NAND_BBT_VERSION) {
-                nand_read_raw (mtd, buf, td->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize); 
+                nand_read_raw (mtd, buf, td->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize);
                 td->version[0] = buf[mtd->oobblock + td->veroffs];
                 printk (KERN_DEBUG "Bad block table at page %d, version 0x%02X\n", td->pages[0], td->version[0]);
         }
 
-        /* Read the mirror version, if available */     
+        /* Read the mirror version, if available */
         if (md && (md->options & NAND_BBT_VERSION)) {
-                nand_read_raw (mtd, buf, md->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize); 
+                nand_read_raw (mtd, buf, md->pages[0] << this->page_shift, mtd->oobblock, mtd->oobsize);
                 md->version[0] = buf[mtd->oobblock + md->veroffs];
                 printk (KERN_DEBUG "Bad block table at page %d, version 0x%02X\n", md->pages[0], md->version[0]);
         }
@@ -290,7 +290,7 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
         else {
                 if (bd->options & NAND_BBT_SCAN2NDPAGE)
                         len = 2;
-                else    
+                else
                         len = 1;
         }
 
@@ -322,10 +322,10 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
                 numblocks += startblock;
                 from = startblock << (this->bbt_erase_shift - 1);
         }
-        
+
         for (i = startblock; i < numblocks;) {
                 int ret;
-                
+
                 if (bd->options & NAND_BBT_SCANEMPTY)
                         if ((ret = nand_read_raw (mtd, buf, from, readlen, ooblen)))
                                 return ret;
@@ -333,8 +333,8 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
                 for (j = 0; j < len; j++) {
                         if (!(bd->options & NAND_BBT_SCANEMPTY)) {
                                 size_t retlen;
-                                
-                                /* Read the full oob until read_oob is fixed to 
+
+                                /* 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);
@@ -343,14 +343,14 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
 
                                 if (check_short_pattern (buf, bd)) {
                                         this->bbt[i >> 3] |= 0x03 << (i & 0x6);
-                                        printk (KERN_WARNING "Bad eraseblock %d at 0x%08x\n", 
+                                        printk (KERN_WARNING "Bad eraseblock %d at 0x%08x\n",
                                                 i >> 1, (unsigned int) from);
                                         break;
                                 }
                         } else {
                                 if (check_pattern (&buf[j * scanlen], scanlen, mtd->oobblock, bd)) {
                                         this->bbt[i >> 3] |= 0x03 << (i & 0x6);
-                                        printk (KERN_WARNING "Bad eraseblock %d at 0x%08x\n", 
+                                        printk (KERN_WARNING "Bad eraseblock %d at 0x%08x\n",
                                                 i >> 1, (unsigned int) from);
                                         break;
                                 }
@@ -369,15 +369,15 @@ static int create_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
  * @td:         descriptor for the bad block table
  *
  * Read the bad block table by searching for a given ident pattern.
- * Search is preformed either from the beginning up or from the end of 
+ * Search is preformed either from the beginning up or from the end of
  * the device downwards. The search starts always at the start of a
  * block.
- * If the option NAND_BBT_PERCHIP is given, each chip is searched 
+ * If the option NAND_BBT_PERCHIP is given, each chip is searched
  * for a bbt, which contains the bad block information of this chip.
  * This is neccecary to provide support for certain DOC devices.
  *
- * The bbt ident pattern resides in the oob area of the first page 
- * in a block. 
+ * The bbt ident pattern resides in the oob area of the first page
+ * in a block.
  */
 static int search_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td)
 {
@@ -392,10 +392,10 @@ static int search_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
                 startblock = (mtd->size >> this->bbt_erase_shift) -1;
                 dir = -1;
         } else {
-                startblock = 0; 
+                startblock = 0;
                 dir = 1;
-        }       
-        
+        }
+
         /* Do we have a bbt per chip ? */
         if (td->options & NAND_BBT_PERCHIP) {
                 chips = this->numchips;
@@ -405,19 +405,19 @@ static int search_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
                 chips = 1;
                 bbtblocks = mtd->size >> this->bbt_erase_shift;
         }
-        
+
         /* Number of bits for each erase block in the bbt */
         bits = td->options & NAND_BBT_NRBITS_MSK;
-        
+
         for (i = 0; i < chips; i++) {
                 /* Reset version information */
-                td->version[i] = 0;     
+                td->version[i] = 0;
                 td->pages[i] = -1;
                 /* Scan the maximum number of blocks */
                 for (block = 0; block < td->maxblocks; block++) {
                         int actblock = startblock + dir * block;
                         /* Read first page */
-                        nand_read_raw (mtd, buf, actblock << this->bbt_erase_shift, mtd->oobblock, mtd->oobsize); 
+                        nand_read_raw (mtd, buf, actblock << this->bbt_erase_shift, mtd->oobblock, mtd->oobsize);
                         if (!check_pattern(buf, scanlen, mtd->oobblock, td)) {
                                 td->pages[i] = actblock << (this->bbt_erase_shift - this->page_shift);
                                 if (td->options & NAND_BBT_VERSION) {
@@ -435,46 +435,46 @@ static int search_bbt (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
                 else
                         printk (KERN_DEBUG "Bad block table found at page %d, version 0x%02X\n", td->pages[i], td->version[i]);
         }
-        return 0;       
+        return 0;
 }
 
 /**
  * search_read_bbts - [GENERIC] scan the device for bad block table(s)
  * @mtd:        MTD device structure
  * @buf:        temporary buffer
- * @td:         descriptor for the bad block table 
+ * @td:         descriptor for the bad block table
  * @md:         descriptor for the bad block table mirror
  *
  * Search and read the bad block table(s)
 */
-static int search_read_bbts (struct mtd_info *mtd, uint8_t *buf, 
+static int search_read_bbts (struct mtd_info *mtd, uint8_t *buf,
         struct nand_bbt_descr *td, struct nand_bbt_descr *md)
 {
         /* Search the primary table */
         search_bbt (mtd, buf, td);
-                
+
         /* Search the mirror table */
         if (md)
                 search_bbt (mtd, buf, md);
-        
+
         /* Force result check */
-        return 1;       
+        return 1;
 }
-        
 
-/** 
+
+/**
  * write_bbt - [GENERIC] (Re)write the bad block table
  *
  * @mtd:        MTD device structure
  * @buf:        temporary buffer
- * @td:         descriptor for the bad block table 
+ * @td:         descriptor for the bad block table
  * @md:         descriptor for the bad block table mirror
  * @chipsel:    selector for a specific chip, -1 for all
  *
  * (Re)write the bad block table
  *
 */
-static int write_bbt (struct mtd_info *mtd, uint8_t *buf, 
+static int write_bbt (struct mtd_info *mtd, uint8_t *buf,
         struct nand_bbt_descr *td, struct nand_bbt_descr *md, int chipsel)
 {
         struct nand_chip *this = mtd->priv;
@@ -493,7 +493,7 @@ static int write_bbt (struct mtd_info *mtd, uint8_t *buf,
         /* Write bad block table per chip rather than per device ? */
         if (td->options & NAND_BBT_PERCHIP) {
                 numblocks = (int) (this->chipsize >> this->bbt_erase_shift);
-                /* Full device write or specific chip ? */      
+                /* Full device write or specific chip ? */
                 if (chipsel == -1) {
                         nrchips = this->numchips;
                 } else {
@@ -503,19 +503,19 @@ static int write_bbt (struct mtd_info *mtd, uint8_t *buf,
         } else {
                 numblocks = (int) (mtd->size >> this->bbt_erase_shift);
                 nrchips = 1;
-        }       
-        
+        }
+
         /* Loop through the chips */
         for (; chip < nrchips; chip++) {
-                
-                /* There was already a version of the table, reuse the page 
-                 * This applies for absolute placement too, as we have the 
+
+                /* There was already a version of the table, reuse the page
+                 * This applies for absolute placement too, as we have the
                  * page nr. in td->pages.
                  */
                 if (td->pages[chip] != -1) {
                         page = td->pages[chip];
                         goto write;
-                }       
+                }
 
                 /* Automatic placement of the bad block table */
                 /* Search direction top -> down ? */
@@ -525,7 +525,7 @@ static int write_bbt (struct mtd_info *mtd, uint8_t *buf,
                 } else {
                         startblock = chip * numblocks;
                         dir = 1;
-                }       
+                }
 
                 for (i = 0; i < td->maxblocks; i++) {
                         int block = startblock + dir * i;
@@ -542,7 +542,7 @@ static int write_bbt (struct mtd_info *mtd, uint8_t *buf,
                 }
                 printk (KERN_ERR "No space left to write bad block table\n");
                 return -ENOSPC;
-write:  
+write:
 
                 /* Set up shift count and masks for the flash table */
                 bits = td->options & NAND_BBT_NRBITS_MSK;
@@ -553,14 +553,14 @@ write:
                 case 8: sft = 0; sftmsk = 0x00; msk[0] = 0x00; msk[1] = 0x0F; msk[2] = ~rcode; msk[3] = 0xff; break;
                 default: return -EINVAL;
                 }
-                
+
                 bbtoffs = chip * (numblocks >> 2);
-                
+
                 to = ((loff_t) page) << this->page_shift;
 
                 memcpy (&oobinfo, this->autooob, sizeof(oobinfo));
                 oobinfo.useecc = MTD_NANDECC_PLACEONLY;
-                
+
                 /* Must we save the block contents ? */
                 if (td->options & NAND_BBT_SAVECONTENT) {
                         /* Make it block aligned */
@@ -599,7 +599,7 @@ write:
                                 buf[len + td->veroffs] = td->version[chip];
                         }
                 }
-        
+
                 /* walk through the memory table */
                 for (i = 0; i < numblocks; ) {
                         uint8_t dat;
@@ -611,7 +611,7 @@ write:
                                 dat >>= 2;
                         }
                 }
-                
+
                 memset (&einfo, 0, sizeof (einfo));
                 einfo.mtd = mtd;
                 einfo.addr = (unsigned long) to;
@@ -621,18 +621,18 @@ write:
                         printk (KERN_WARNING "nand_bbt: Error during block erase: %d\n", res);
                         return res;
                 }
-        
+
                 res = mtd->write_ecc (mtd, to, len, &retlen, buf, &buf[len], &oobinfo);
                 if (res < 0) {
                         printk (KERN_WARNING "nand_bbt: Error while writing bad block table %d\n", res);
                         return res;
                 }
-                printk (KERN_DEBUG "Bad block table written to 0x%08x, version 0x%02X\n", 
+                printk (KERN_DEBUG "Bad block table written to 0x%08x, version 0x%02X\n",
                         (unsigned int) to, td->version[chip]);
-        
+
                 /* Mark it as used */
                 td->pages[chip] = page;
-        }       
+        }
         return 0;
 }
 
@@ -641,7 +641,7 @@ write:
  * @mtd:        MTD device structure
  * @bd:         descriptor for the good/bad block search pattern
  *
- * The function creates a memory based bbt by scanning the device 
+ * The function creates a memory based bbt by scanning the device
  * for manufacturer / software marked good / bad blocks
 */
 static inline int nand_memory_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd)
@@ -673,11 +673,11 @@ static int check_create (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_des
         struct nand_bbt_descr *rd, *rd2;
 
         /* Do we have a bbt per chip ? */
-        if (td->options & NAND_BBT_PERCHIP) 
+        if (td->options & NAND_BBT_PERCHIP)
                 chips = this->numchips;
-        else 
+        else
                 chips = 1;
-        
+
         for (i = 0; i < chips; i++) {
                 writeops = 0;
                 rd = NULL;
@@ -692,7 +692,7 @@ static int check_create (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_des
                         }
 
                         if (td->pages[i] == -1) {
-                                rd = md;                                
+                                rd = md;
                                 td->version[i] = md->version[i];
                                 writeops = 1;
                                 goto writecheck;
@@ -710,7 +710,7 @@ static int check_create (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_des
                                 if (!(td->options & NAND_BBT_VERSION))
                                         rd2 = md;
                                 goto writecheck;
-                        }       
+                        }
 
                         if (((int8_t) (td->version[i] - md->version[i])) > 0) {
                                 rd = td;
@@ -735,15 +735,15 @@ static int check_create (struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_des
 create:
                 /* Create the bad block table by scanning the device ? */
                 if (!(td->options & NAND_BBT_CREATE))
-                        continue;       
-                
+                        continue;
+
                 /* Create the table in memory by scanning the chip(s) */
                 create_bbt (mtd, buf, bd, chipsel);
-                
+
                 td->version[i] = 1;
                 if (md)
-                        md->version[i] = 1;     
-writecheck:     
+                        md->version[i] = 1;
+writecheck:
                 /* read back first ? */
                 if (rd)
                         read_abs_bbt (mtd, buf, rd, chipsel);
@@ -757,7 +757,7 @@ writecheck:
                         if (res < 0)
                                 return res;
                 }
-                
+
                 /* Write the mirror bad block table to the device ? */
                 if ((writeops & 0x02) && md && (md->options & NAND_BBT_WRITE)) {
                         res = write_bbt (mtd, buf, md, td, chipsel);
@@ -765,11 +765,11 @@ writecheck:
                                 return res;
                 }
         }
-        return 0;       
+        return 0;
 }
 
 /**
- * mark_bbt_regions - [GENERIC] mark the bad block table regions 
+ * mark_bbt_regions - [GENERIC] mark the bad block table regions
  * @mtd:        MTD device structure
  * @td:         bad block table descriptor
  *
@@ -790,14 +790,14 @@ static void mark_bbt_region (struct mtd_info *mtd, struct nand_bbt_descr *td)
         } else {
                 chips = 1;
                 nrblocks = (int)(mtd->size >> this->bbt_erase_shift);
-        }       
-        
+        }
+
         for (i = 0; i < chips; i++) {
                 if ((td->options & NAND_BBT_ABSPAGE) ||
                     !(td->options & NAND_BBT_WRITE)) {
                         if (td->pages[i] == -1) continue;
                         block = td->pages[i] >> (this->bbt_erase_shift - this->page_shift);
-                        block <<= 1;            
+                        block <<= 1;
                         oldval = this->bbt[(block >> 3)];
                         newval = oldval | (0x2 << (block & 0x06));
                         this->bbt[(block >> 3)] = newval;
@@ -808,16 +808,16 @@ static void mark_bbt_region (struct mtd_info *mtd, struct nand_bbt_descr *td)
                 update = 0;
                 if (td->options & NAND_BBT_LASTBLOCK)
                         block = ((i + 1) * nrblocks) - td->maxblocks;
-                else    
+                else
                         block = i * nrblocks;
-                block <<= 1;    
+                block <<= 1;
                 for (j = 0; j < td->maxblocks; j++) {
                         oldval = this->bbt[(block >> 3)];
                         newval = oldval | (0x2 << (block & 0x06));
                         this->bbt[(block >> 3)] = newval;
                         if (oldval != newval) update = 1;
                         block += 2;
-                }       
+                }
                 /* If we want reserved blocks to be recorded to flash, and some
                    new ones have been marked, then we need to update the stored
                    bbts.  This should only happen once. */
@@ -831,7 +831,7 @@ static void mark_bbt_region (struct mtd_info *mtd, struct nand_bbt_descr *td)
  * @mtd:        MTD device structure
  * @bd:         descriptor for the good/bad block search pattern
  *
- * The function checks, if a bad block table(s) is/are already 
+ * The function checks, if a bad block table(s) is/are already
  * available. If not it scans the device for manufacturer
  * marked good / bad blocks and writes the bad block table(s) to
  * the selected place.
@@ -880,30 +880,30 @@ int nand_scan_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd)
                 this->bbt = NULL;
                 return -ENOMEM;
         }
-        
+
         /* Is the bbt at a given page ? */
         if (td->options & NAND_BBT_ABSPAGE) {
                 res = read_abs_bbts (mtd, buf, td, md);
-        } else {        
+        } else {
                 /* Search the bad block table using a pattern in oob */
                 res = search_read_bbts (mtd, buf, td, md);
-        }       
+        }
 
-        if (res) 
+        if (res)
                 res = check_create (mtd, buf, bd);
-        
+
         /* Prevent the bbt regions from erasing / writing */
         mark_bbt_region (mtd, td);
         if (md)
                 mark_bbt_region (mtd, md);
-        
+
         kfree (buf);
         return res;
 }
 
 
 /**
- * nand_update_bbt - [NAND Interface] update bad block table(s) 
+ * nand_update_bbt - [NAND Interface] update bad block table(s)
  * @mtd:        MTD device structure
  * @offs:       the offset of the newly marked block
  *
@@ -930,7 +930,7 @@ int nand_update_bbt (struct mtd_info *mtd, loff_t offs)
                 printk (KERN_ERR "nand_update_bbt: Out of memory\n");
                 return -ENOMEM;
         }
-        
+
         writeops = md != NULL ? 0x03 : 0x01;
 
         /* Do we have a bbt per chip ? */
@@ -944,7 +944,7 @@ int nand_update_bbt (struct mtd_info *mtd, loff_t offs)
 
         td->version[chip]++;
         if (md)
-                md->version[chip]++;    
+                md->version[chip]++;
 
         /* Write the bad block table to the device ? */
         if ((writeops & 0x01) && (td->options & NAND_BBT_WRITE)) {
@@ -957,12 +957,12 @@ int nand_update_bbt (struct mtd_info *mtd, loff_t offs)
                 res = write_bbt (mtd, buf, md, td, chipsel);
         }
 
-out:    
+out:
         kfree (buf);
         return res;
 }
 
-/* Define some generic bad / good block scan pattern which are used 
+/* Define some generic bad / good block scan pattern which are used
  * while scanning a device for factory marked good / bad blocks. */
 static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
 
@@ -1009,7 +1009,7 @@ static uint8_t bbt_pattern[] = {'B', 'b', 't', '0' };
 static uint8_t mirror_pattern[] = {'1', 't', 'b', 'B' };
 
 static struct nand_bbt_descr bbt_main_descr = {
-        .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE 
+        .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
                 | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
         .offs = 8,
         .len = 4,
@@ -1019,7 +1019,7 @@ static struct nand_bbt_descr bbt_main_descr = {
 };
 
 static struct nand_bbt_descr bbt_mirror_descr = {
-        .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE 
+        .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
                 | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
         .offs = 8,
         .len = 4,
@@ -1029,7 +1029,7 @@ static struct nand_bbt_descr bbt_mirror_descr = {
 };
 
 /**
- * nand_default_bbt - [NAND Interface] Select a default bad block table for the device 
+ * nand_default_bbt - [NAND Interface] Select a default bad block table for the device
  * @mtd:        MTD device structure
  *
  * This function selects the default bad block table
@@ -1039,29 +1039,29 @@ static struct nand_bbt_descr bbt_mirror_descr = {
 int nand_default_bbt (struct mtd_info *mtd)
 {
         struct nand_chip *this = mtd->priv;
-        
-        /* Default for AG-AND. We must use a flash based 
+
+        /* Default for AG-AND. We must use a flash based
          * bad block table as the devices have factory marked
          * _good_ blocks. Erasing those blocks leads to loss
          * of the good / bad information, so we _must_ store
-         * this information in a good / bad table during 
+         * this information in a good / bad table during
          * startup
         */
         if (this->options & NAND_IS_AND) {
                 /* Use the default pattern descriptors */
-                if (!this->bbt_td) {    
+                if (!this->bbt_td) {
                         this->bbt_td = &bbt_main_descr;
                         this->bbt_md = &bbt_mirror_descr;
-                }       
+                }
                 this->options |= NAND_USE_FLASH_BBT;
                 return nand_scan_bbt (mtd, &agand_flashbased);
         }
-        
-        
+
+
         /* Is a flash based bad block table requested ? */
         if (this->options & NAND_USE_FLASH_BBT) {
-                /* Use the default pattern descriptors */       
-                if (!this->bbt_td) {    
+                /* Use the default pattern descriptors */
+                if (!this->bbt_td) {
                         this->bbt_td = &bbt_main_descr;
                         this->bbt_md = &bbt_mirror_descr;
                 }
@@ -1081,7 +1081,7 @@ int nand_default_bbt (struct mtd_info *mtd)
 }
 
 /**
- * nand_isbad_bbt - [NAND Interface] Check if a block is bad 
+ * nand_isbad_bbt - [NAND Interface] Check if a block is bad
  * @mtd:        MTD device structure
  * @offs:       offset in the device
  * @allowbbt:   allow access to bad block table region
@@ -1092,12 +1092,12 @@ int nand_isbad_bbt (struct mtd_info *mtd, loff_t offs, int allowbbt)
         struct nand_chip *this = mtd->priv;
         int block;
         uint8_t res;
-        
+
         /* Get block number * 2 */
         block = (int) (offs >> (this->bbt_erase_shift - 1));
         res = (this->bbt[block >> 3] >> (block & 0x06)) & 0x03;
 
-        DEBUG (MTD_DEBUG_LEVEL2, "nand_isbad_bbt(): bbt info for offs 0x%08x: (block %d) 0x%02x\n", 
+        DEBUG (MTD_DEBUG_LEVEL2, "nand_isbad_bbt(): bbt info for offs 0x%08x: (block %d) 0x%02x\n",
                 (unsigned int)offs, block >> 1, res);
 
         switch ((int)res) {
diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
index 2e341b75437a..40ac909150a3 100644
--- a/drivers/mtd/nand/nand_ecc.c
+++ b/drivers/mtd/nand/nand_ecc.c
@@ -7,22 +7,22 @@
  * Copyright (C) 2000-2004 Steven J. Hill (sjhill@realitydiluted.com)
  *                         Toshiba America Electronics Components, Inc.
  *
- * $Id: nand_ecc.c,v 1.14 2004/06/16 15:34:37 gleixner Exp $
+ * $Id: nand_ecc.c,v 1.15 2005/11/07 11:14:30 gleixner Exp $
  *
  * This file is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
  * Free Software Foundation; either version 2 or (at your option) any
  * later version.
- * 
+ *
  * This file is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License along
  * with this file; if not, write to the Free Software Foundation, Inc.,
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- * 
+ *
  * As a special exception, if other files instantiate templates or use
  * macros or inline functions from these files, or you compile these
  * files and link them with other works to produce a work based on these
@@ -30,7 +30,7 @@
  * covered by the GNU General Public License. However the source code for
  * these files must still be made available in accordance with section (3)
  * of the GNU General Public License.
- * 
+ *
  * This exception does not invalidate any other reasons why a work based on
  * this file might be covered by the GNU General Public License.
  */
@@ -67,7 +67,7 @@ static const u_char nand_ecc_precalc_table[] = {
  * nand_trans_result - [GENERIC] create non-inverted ECC
  * @reg2:       line parity reg 2
  * @reg3:       line parity reg 3
- * @ecc_code:   ecc 
+ * @ecc_code:   ecc
  *
  * Creates non-inverted ECC code from line parity
  */
@@ -75,11 +75,11 @@ static void nand_trans_result(u_char reg2, u_char reg3,
         u_char *ecc_code)
 {
         u_char a, b, i, tmp1, tmp2;
-        
+
         /* Initialize variables */
         a = b = 0x80;
         tmp1 = tmp2 = 0;
-        
+
         /* Calculate first ECC byte */
         for (i = 0; i < 4; i++) {
                 if (reg3 & a)           /* LP15,13,11,9 --> ecc_code[0] */
@@ -90,7 +90,7 @@ static void nand_trans_result(u_char reg2, u_char reg3,
                 b >>= 1;
                 a >>= 1;
         }
-        
+
         /* Calculate second ECC byte */
         b = 0x80;
         for (i = 0; i < 4; i++) {
@@ -102,7 +102,7 @@ static void nand_trans_result(u_char reg2, u_char reg3,
                 b >>= 1;
                 a >>= 1;
         }
-        
+
         /* Store two of the ECC bytes */
         ecc_code[0] = tmp1;
         ecc_code[1] = tmp2;
@@ -118,28 +118,28 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code
 {
         u_char idx, reg1, reg2, reg3;
         int j;
-        
+
         /* Initialize variables */
         reg1 = reg2 = reg3 = 0;
         ecc_code[0] = ecc_code[1] = ecc_code[2] = 0;
-        
-        /* Build up column parity */ 
+
+        /* Build up column parity */
         for(j = 0; j < 256; j++) {
-                
+
                 /* Get CP0 - CP5 from table */
                 idx = nand_ecc_precalc_table[dat[j]];
                 reg1 ^= (idx & 0x3f);
-                
+
                 /* All bit XOR = 1 ? */
                 if (idx & 0x40) {
                         reg3 ^= (u_char) j;
                         reg2 ^= ~((u_char) j);
                 }
         }
-        
+
         /* Create non-inverted ECC code from line parity */
         nand_trans_result(reg2, reg3, ecc_code);
-        
+
         /* Calculate final ECC code */
         ecc_code[0] = ~ecc_code[0];
         ecc_code[1] = ~ecc_code[1];
@@ -159,12 +159,12 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code
 int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc)
 {
         u_char a, b, c, d1, d2, d3, add, bit, i;
-        
-        /* Do error detection */ 
+
+        /* Do error detection */
         d1 = calc_ecc[0] ^ read_ecc[0];
         d2 = calc_ecc[1] ^ read_ecc[1];
         d3 = calc_ecc[2] ^ read_ecc[2];
-        
+
         if ((d1 | d2 | d3) == 0) {
                 /* No errors */
                 return 0;
@@ -173,7 +173,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha
                 a = (d1 ^ (d1 >> 1)) & 0x55;
                 b = (d2 ^ (d2 >> 1)) & 0x55;
                 c = (d3 ^ (d3 >> 1)) & 0x54;
-                
+
                 /* Found and will correct single bit error in the data */
                 if ((a == 0x55) && (b == 0x55) && (c == 0x54)) {
                         c = 0x80;
@@ -237,7 +237,7 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha
                         }
                 }
         }
-        
+
         /* Should never happen */
         return -1;
 }
diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c
index efe246961b69..dbc7e55a4247 100644
--- a/drivers/mtd/nand/nand_ids.c
+++ b/drivers/mtd/nand/nand_ids.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2002 Thomas Gleixner (tglx@linutronix.de)
  *
- * $Id: nand_ids.c,v 1.14 2005/06/23 09:38:50 gleixner Exp $
+ * $Id: nand_ids.c,v 1.16 2005/11/07 11:14:31 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
@@ -14,14 +14,14 @@
 #include <linux/mtd/nand.h>
 /*
 *       Chip ID list
-*       
+*
 *       Name. ID code, pagesize, chipsize in MegaByte, eraseblock size,
 *       options
-* 
+*
 *       Pagesize; 0, 256, 512
 *       0       get this information from the extended chip ID
 +       256     256 Byte page size
-*       512     512 Byte page size      
+*       512     512 Byte page size
 */
 struct nand_flash_dev nand_flash_ids[] = {
         {"NAND 1MiB 5V 8-bit",          0x6e, 256, 1, 0x1000, 0},
@@ -34,27 +34,27 @@ struct nand_flash_dev nand_flash_ids[] = {
         {"NAND 4MiB 3,3V 8-bit",        0xe3, 512, 4, 0x2000, 0},
         {"NAND 4MiB 3,3V 8-bit",        0xe5, 512, 4, 0x2000, 0},
         {"NAND 8MiB 3,3V 8-bit",        0xd6, 512, 8, 0x2000, 0},
-        
+
         {"NAND 8MiB 1,8V 8-bit",        0x39, 512, 8, 0x2000, 0},
         {"NAND 8MiB 3,3V 8-bit",        0xe6, 512, 8, 0x2000, 0},
         {"NAND 8MiB 1,8V 16-bit",       0x49, 512, 8, 0x2000, NAND_BUSWIDTH_16},
         {"NAND 8MiB 3,3V 16-bit",       0x59, 512, 8, 0x2000, NAND_BUSWIDTH_16},
-        
+
         {"NAND 16MiB 1,8V 8-bit",       0x33, 512, 16, 0x4000, 0},
         {"NAND 16MiB 3,3V 8-bit",       0x73, 512, 16, 0x4000, 0},
         {"NAND 16MiB 1,8V 16-bit",      0x43, 512, 16, 0x4000, NAND_BUSWIDTH_16},
         {"NAND 16MiB 3,3V 16-bit",      0x53, 512, 16, 0x4000, NAND_BUSWIDTH_16},
-        
+
         {"NAND 32MiB 1,8V 8-bit",       0x35, 512, 32, 0x4000, 0},
         {"NAND 32MiB 3,3V 8-bit",       0x75, 512, 32, 0x4000, 0},
         {"NAND 32MiB 1,8V 16-bit",      0x45, 512, 32, 0x4000, NAND_BUSWIDTH_16},
         {"NAND 32MiB 3,3V 16-bit",      0x55, 512, 32, 0x4000, NAND_BUSWIDTH_16},
-        
+
         {"NAND 64MiB 1,8V 8-bit",       0x36, 512, 64, 0x4000, 0},
         {"NAND 64MiB 3,3V 8-bit",       0x76, 512, 64, 0x4000, 0},
         {"NAND 64MiB 1,8V 16-bit",      0x46, 512, 64, 0x4000, NAND_BUSWIDTH_16},
         {"NAND 64MiB 3,3V 16-bit",      0x56, 512, 64, 0x4000, NAND_BUSWIDTH_16},
-        
+
         {"NAND 128MiB 1,8V 8-bit",      0x78, 512, 128, 0x4000, 0},
         {"NAND 128MiB 1,8V 8-bit",      0x39, 512, 128, 0x4000, 0},
         {"NAND 128MiB 3,3V 8-bit",      0x79, 512, 128, 0x4000, 0},
@@ -62,7 +62,7 @@ struct nand_flash_dev nand_flash_ids[] = {
         {"NAND 128MiB 1,8V 16-bit",     0x49, 512, 128, 0x4000, NAND_BUSWIDTH_16},
         {"NAND 128MiB 3,3V 16-bit",     0x74, 512, 128, 0x4000, NAND_BUSWIDTH_16},
         {"NAND 128MiB 3,3V 16-bit",     0x59, 512, 128, 0x4000, NAND_BUSWIDTH_16},
-        
+
         {"NAND 256MiB 3,3V 8-bit",      0x71, 512, 256, 0x4000, 0},
 
         /* These are the new chips with large page size. The pagesize
@@ -73,7 +73,7 @@ struct nand_flash_dev nand_flash_ids[] = {
         {"NAND 64MiB 3,3V 8-bit",       0xF2, 0,  64, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
         {"NAND 64MiB 1,8V 16-bit",      0xB2, 0,  64, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
         {"NAND 64MiB 3,3V 16-bit",      0xC2, 0,  64, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
-        
+
         /* 1 Gigabit */
         {"NAND 128MiB 1,8V 8-bit",      0xA1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
         {"NAND 128MiB 3,3V 8-bit",      0xF1, 0, 128, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
@@ -85,13 +85,13 @@ struct nand_flash_dev nand_flash_ids[] = {
         {"NAND 256MiB 3,3V 8-bit",      0xDA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
         {"NAND 256MiB 1,8V 16-bit",     0xBA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
         {"NAND 256MiB 3,3V 16-bit",     0xCA, 0, 256, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
-        
+
         /* 4 Gigabit */
         {"NAND 512MiB 1,8V 8-bit",      0xAC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
         {"NAND 512MiB 3,3V 8-bit",      0xDC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
         {"NAND 512MiB 1,8V 16-bit",     0xBC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
         {"NAND 512MiB 3,3V 16-bit",     0xCC, 0, 512, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
-        
+
         /* 8 Gigabit */
         {"NAND 1GiB 1,8V 8-bit",        0xA3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
         {"NAND 1GiB 3,3V 8-bit",        0xD3, 0, 1024, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_NO_AUTOINCR},
@@ -104,11 +104,11 @@ struct nand_flash_dev nand_flash_ids[] = {
         {"NAND 2GiB 1,8V 16-bit",       0xB5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
         {"NAND 2GiB 3,3V 16-bit",       0xC5, 0, 2048, 0, NAND_SAMSUNG_LP_OPTIONS | NAND_BUSWIDTH_16 | NAND_NO_AUTOINCR},
 
-        /* Renesas AND 1 Gigabit. Those chips do not support extended id and have a strange page/block layout ! 
+        /* Renesas AND 1 Gigabit. Those chips do not support extended id and have a strange page/block layout !
          * The chosen minimum erasesize is 4 * 2 * 2048 = 16384 Byte, as those chips have an array of 4 page planes
          * 1 block = 2 pages, but due to plane arrangement the blocks 0-3 consists of page 0 + 4,1 + 5, 2 + 6, 3 + 7
          * Anyway JFFS2 would increase the eraseblock size so we chose a combined one which can be erased in one go
-         * There are more speed improvements for reads and writes possible, but not implemented now 
+         * There are more speed improvements for reads and writes possible, but not implemented now
          */
         {"AND 128MiB 3,3V 8-bit",       0x01, 2048, 128, 0x4000, NAND_IS_AND | NAND_NO_AUTOINCR | NAND_4PAGE_ARRAY | BBT_AUTO_REFRESH},
 
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 754b6ed7ce14..de4500395300 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -3,7 +3,7 @@
  *
  * Author: Artem B. Bityuckiy <dedekind@oktetlabs.ru>, <dedekind@infradead.org>
  *
- * Copyright (C) 2004 Nokia Corporation 
+ * Copyright (C) 2004 Nokia Corporation
  *
  * Note: NS means "NAND Simulator".
  * Note: Input means input TO flash chip, output means output FROM chip.
@@ -126,7 +126,7 @@ MODULE_PARM_DESC(dbg,            "Output debug information if not zero");
 
 /* The largest possible page size */
 #define NS_LARGEST_PAGE_SIZE    2048
-        
+
 /* The prefix for simulator output */
 #define NS_OUTPUT_PREFIX "[nandsim]"
 
@@ -145,7 +145,7 @@ MODULE_PARM_DESC(dbg,            "Output debug information if not zero");
         do { if (do_delays) udelay(us); } while(0)
 #define NS_MDELAY(us) \
         do { if (do_delays) mdelay(us); } while(0)
-        
+
 /* Is the nandsim structure initialized ? */
 #define NS_IS_INITIALIZED(ns) ((ns)->geom.totsz != 0)
 
@@ -153,12 +153,12 @@ MODULE_PARM_DESC(dbg,            "Output debug information if not zero");
 #define NS_STATUS_OK(ns) (NAND_STATUS_READY | (NAND_STATUS_WP * ((ns)->lines.wp == 0)))
 
 /* Operation failed completion status */
-#define NS_STATUS_FAILED(ns) (NAND_STATUS_FAIL | NS_STATUS_OK(ns)) 
+#define NS_STATUS_FAILED(ns) (NAND_STATUS_FAIL | NS_STATUS_OK(ns))
 
 /* Calculate the page offset in flash RAM image by (row, column) address */
 #define NS_RAW_OFFSET(ns) \
         (((ns)->regs.row << (ns)->geom.pgshift) + ((ns)->regs.row * (ns)->geom.oobsz) + (ns)->regs.column)
-        
+
 /* Calculate the OOB offset in flash RAM image by (row, column) address */
 #define NS_RAW_OFFSET_OOB(ns) (NS_RAW_OFFSET(ns) + ns->geom.pgsz)
 
@@ -223,15 +223,15 @@ MODULE_PARM_DESC(dbg,            "Output debug information if not zero");
 
 /* Remove action bits ftom state */
 #define NS_STATE(x) ((x) & ~ACTION_MASK)
-        
-/* 
+
+/*
  * Maximum previous states which need to be saved. Currently saving is
  * only needed for page programm operation with preceeded read command
  * (which is only valid for 512-byte pages).
  */
 #define NS_MAX_PREVSTATES 1
 
-/* 
+/*
  * The structure which describes all the internal simulator data.
  */
 struct nandsim {
@@ -242,7 +242,7 @@ struct nandsim {
         uint32_t options;       /* chip's characteristic bits */
         uint32_t state;         /* current chip state */
         uint32_t nxstate;       /* next expected state */
-        
+
         uint32_t *op;           /* current operation, NULL operations isn't known yet  */
         uint32_t pstates[NS_MAX_PREVSTATES]; /* previous states */
         uint16_t npstates;      /* number of previous states saved */
@@ -413,7 +413,7 @@ init_nandsim(struct mtd_info *mtd)
                         ns->geom.secaddrbytes = 3;
                 }
         }
-        
+
         /* Detect how many ID bytes the NAND chip outputs */
         for (i = 0; nand_flash_ids[i].name != NULL; i++) {
                 if (second_id_byte != nand_flash_ids[i].id)
@@ -444,7 +444,7 @@ init_nandsim(struct mtd_info *mtd)
 #ifdef CONFIG_NS_ABS_POS
         ns->mem.byte = ioremap(CONFIG_NS_ABS_POS, ns->geom.totszoob);
         if (!ns->mem.byte) {
-                NS_ERR("init_nandsim: failed to map the NAND flash image at address %p\n", 
+                NS_ERR("init_nandsim: failed to map the NAND flash image at address %p\n",
                         (void *)CONFIG_NS_ABS_POS);
                 return -ENOMEM;
         }
@@ -567,7 +567,7 @@ static int
 check_command(int cmd)
 {
         switch (cmd) {
-                
+
         case NAND_CMD_READ0:
         case NAND_CMD_READSTART:
         case NAND_CMD_PAGEPROG:
@@ -580,7 +580,7 @@ check_command(int cmd)
         case NAND_CMD_RESET:
         case NAND_CMD_READ1:
                 return 0;
-                
+
         case NAND_CMD_STATUS_MULTI:
         default:
                 return 1;
@@ -631,7 +631,7 @@ static inline void
 accept_addr_byte(struct nandsim *ns, u_char bt)
 {
         uint byte = (uint)bt;
-        
+
         if (ns->regs.count < (ns->geom.pgaddrbytes - ns->geom.secaddrbytes))
                 ns->regs.column |= (byte << 8 * ns->regs.count);
         else {
@@ -642,11 +642,11 @@ accept_addr_byte(struct nandsim *ns, u_char bt)
 
         return;
 }
-                
+
 /*
  * Switch to STATE_READY state.
  */
-static inline void 
+static inline void
 switch_to_ready_state(struct nandsim *ns, u_char status)
 {
         NS_DBG("switch_to_ready_state: switch to %s state\n", get_state_name(STATE_READY));
@@ -675,7 +675,7 @@ switch_to_ready_state(struct nandsim *ns, u_char status)
  *      (for example program from the second half and read from the
  *      second half operations both begin with the READ1 command). In this
  *      case the ns->pstates[] array contains previous states.
- * 
+ *
  * Thus, the function tries to find operation containing the following
  * states (if the 'flag' parameter is 0):
  *    ns->pstates[0], ... ns->pstates[ns->npstates], ns->state
@@ -683,7 +683,7 @@ switch_to_ready_state(struct nandsim *ns, u_char status)
  * If (one and only one) matching operation is found, it is accepted (
  * ns->ops, ns->state, ns->nxstate are initialized, ns->npstate is
  * zeroed).
- * 
+ *
  * If there are several maches, the current state is pushed to the
  * ns->pstates.
  *
@@ -692,7 +692,7 @@ switch_to_ready_state(struct nandsim *ns, u_char status)
  * In such situation the function is called with 'flag' != 0, and the
  * operation is searched using the following pattern:
  *     ns->pstates[0], ... ns->pstates[ns->npstates], <address input>
- * 
+ *
  * It is supposed that this pattern must either match one operation on
  * none. There can't be ambiguity in that case.
  *
@@ -711,15 +711,15 @@ find_operation(struct nandsim *ns, uint32_t flag)
 {
         int opsfound = 0;
         int i, j, idx = 0;
-        
+
         for (i = 0; i < NS_OPER_NUM; i++) {
 
                 int found = 1;
-        
+
                 if (!(ns->options & ops[i].reqopts))
                         /* Ignore operations we can't perform */
                         continue;
-                        
+
                 if (flag) {
                         if (!(ops[i].states[ns->npstates] & STATE_ADDR_MASK))
                                 continue;
@@ -728,7 +728,7 @@ find_operation(struct nandsim *ns, uint32_t flag)
                                 continue;
                 }
 
-                for (j = 0; j < ns->npstates; j++) 
+                for (j = 0; j < ns->npstates; j++)
                         if (NS_STATE(ops[i].states[j]) != NS_STATE(ns->pstates[j])
                                 && (ns->options & ops[idx].reqopts)) {
                                 found = 0;
@@ -745,7 +745,7 @@ find_operation(struct nandsim *ns, uint32_t flag)
                 /* Exact match */
                 ns->op = &ops[idx].states[0];
                 if (flag) {
-                        /* 
+                        /*
                          * In this case the find_operation function was
                          * called when address has just began input. But it isn't
                          * yet fully input and the current state must
@@ -763,7 +763,7 @@ find_operation(struct nandsim *ns, uint32_t flag)
                                 idx, get_state_name(ns->state), get_state_name(ns->nxstate));
                 return 0;
         }
-        
+
         if (opsfound == 0) {
                 /* Nothing was found. Try to ignore previous commands (if any) and search again */
                 if (ns->npstates != 0) {
@@ -777,13 +777,13 @@ find_operation(struct nandsim *ns, uint32_t flag)
                 switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
                 return -2;
         }
-        
+
         if (flag) {
                 /* This shouldn't happen */
                 NS_DBG("find_operation: BUG, operation must be known if address is input\n");
                 return -2;
         }
-        
+
         NS_DBG("find_operation: there is still ambiguity\n");
 
         ns->pstates[ns->npstates++] = ns->state;
@@ -803,7 +803,7 @@ do_state_action(struct nandsim *ns, uint32_t action)
         int busdiv = ns->busw == 8 ? 1 : 2;
 
         action &= ACTION_MASK;
-        
+
         /* Check that page address input is correct */
         if (action != ACTION_SECERASE && ns->regs.row >= ns->geom.pgnum) {
                 NS_WARN("do_state_action: wrong page number (%#x)\n", ns->regs.row);
@@ -827,14 +827,14 @@ do_state_action(struct nandsim *ns, uint32_t action)
 
                 NS_DBG("do_state_action: (ACTION_CPY:) copy %d bytes to int buf, raw offset %d\n",
                         num, NS_RAW_OFFSET(ns) + ns->regs.off);
-                
+
                 if (ns->regs.off == 0)
                         NS_LOG("read page %d\n", ns->regs.row);
                 else if (ns->regs.off < ns->geom.pgsz)
                         NS_LOG("read page %d (second half)\n", ns->regs.row);
                 else
                         NS_LOG("read OOB of page %d\n", ns->regs.row);
-                
+
                 NS_UDELAY(access_delay);
                 NS_UDELAY(input_cycle * ns->geom.pgsz / 1000 / busdiv);
 
@@ -844,30 +844,30 @@ do_state_action(struct nandsim *ns, uint32_t action)
                 /*
                  * Erase sector.
                  */
-                
+
                 if (ns->lines.wp) {
                         NS_ERR("do_state_action: device is write-protected, ignore sector erase\n");
                         return -1;
                 }
-                
+
                 if (ns->regs.row >= ns->geom.pgnum - ns->geom.pgsec
                         || (ns->regs.row & ~(ns->geom.secsz - 1))) {
                         NS_ERR("do_state_action: wrong sector address (%#x)\n", ns->regs.row);
                         return -1;
                 }
-                
+
                 ns->regs.row = (ns->regs.row <<
                                 8 * (ns->geom.pgaddrbytes - ns->geom.secaddrbytes)) | ns->regs.column;
                 ns->regs.column = 0;
-                
+
                 NS_DBG("do_state_action: erase sector at address %#x, off = %d\n",
                                 ns->regs.row, NS_RAW_OFFSET(ns));
                 NS_LOG("erase sector %d\n", ns->regs.row >> (ns->geom.secshift - ns->geom.pgshift));
 
                 memset(ns->mem.byte + NS_RAW_OFFSET(ns), 0xFF, ns->geom.secszoob);
-                
+
                 NS_MDELAY(erase_delay);
-                
+
                 break;
 
         case ACTION_PRGPAGE:
@@ -893,12 +893,12 @@ do_state_action(struct nandsim *ns, uint32_t action)
                 NS_DBG("do_state_action: copy %d bytes from int buf to (%#x, %#x), raw off = %d\n",
                         num, ns->regs.row, ns->regs.column, NS_RAW_OFFSET(ns) + ns->regs.off);
                 NS_LOG("programm page %d\n", ns->regs.row);
-                
+
                 NS_UDELAY(programm_delay);
                 NS_UDELAY(output_cycle * ns->geom.pgsz / 1000 / busdiv);
-                
+
                 break;
-        
+
         case ACTION_ZEROOFF:
                 NS_DBG("do_state_action: set internal offset to 0\n");
                 ns->regs.off = 0;
@@ -918,7 +918,7 @@ do_state_action(struct nandsim *ns, uint32_t action)
                 NS_DBG("do_state_action: set internal offset to %d\n", ns->geom.pgsz);
                 ns->regs.off = ns->geom.pgsz;
                 break;
-                
+
         default:
                 NS_DBG("do_state_action: BUG! unknown action\n");
         }
@@ -937,7 +937,7 @@ switch_state(struct nandsim *ns)
                  * The current operation have already been identified.
                  * Just follow the states chain.
                  */
-                
+
                 ns->stateidx += 1;
                 ns->state = ns->nxstate;
                 ns->nxstate = ns->op[ns->stateidx + 1];
@@ -951,14 +951,14 @@ switch_state(struct nandsim *ns)
                         switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
                         return;
                 }
-                
+
         } else {
                 /*
                  * We don't yet know which operation we perform.
                  * Try to identify it.
                  */
 
-                /*  
+                /*
                  *  The only event causing the switch_state function to
                  *  be called with yet unknown operation is new command.
                  */
@@ -987,7 +987,7 @@ switch_state(struct nandsim *ns)
                  */
 
                 u_char status = NS_STATUS_OK(ns);
-                
+
                 /* In case of data states, see if all bytes were input/output */
                 if ((ns->state & (STATE_DATAIN_MASK | STATE_DATAOUT_MASK))
                         && ns->regs.count != ns->regs.num) {
@@ -995,17 +995,17 @@ switch_state(struct nandsim *ns)
                                         ns->regs.num - ns->regs.count);
                         status = NS_STATUS_FAILED(ns);
                 }
-                                
+
                 NS_DBG("switch_state: operation complete, switch to STATE_READY state\n");
 
                 switch_to_ready_state(ns, status);
 
                 return;
         } else if (ns->nxstate & (STATE_DATAIN_MASK | STATE_DATAOUT_MASK)) {
-                /* 
+                /*
                  * If the next state is data input/output, switch to it now
                  */
-                
+
                 ns->state      = ns->nxstate;
                 ns->nxstate    = ns->op[++ns->stateidx + 1];
                 ns->regs.num   = ns->regs.count = 0;
@@ -1023,16 +1023,16 @@ switch_state(struct nandsim *ns)
                         case STATE_DATAOUT:
                                 ns->regs.num = ns->geom.pgszoob - ns->regs.off - ns->regs.column;
                                 break;
-                                
+
                         case STATE_DATAOUT_ID:
                                 ns->regs.num = ns->geom.idbytes;
                                 break;
-                                
+
                         case STATE_DATAOUT_STATUS:
                         case STATE_DATAOUT_STATUS_M:
                                 ns->regs.count = ns->regs.num = 0;
                                 break;
-                                
+
                         default:
                                 NS_ERR("switch_state: BUG! unknown data state\n");
                 }
@@ -1044,16 +1044,16 @@ switch_state(struct nandsim *ns)
                  */
 
                 ns->regs.count = 0;
-                
+
                 switch (NS_STATE(ns->nxstate)) {
                         case STATE_ADDR_PAGE:
                                 ns->regs.num = ns->geom.pgaddrbytes;
-                
+
                                 break;
                         case STATE_ADDR_SEC:
                                 ns->regs.num = ns->geom.secaddrbytes;
                                 break;
-        
+
                         case STATE_ADDR_ZERO:
                                 ns->regs.num = 1;
                                 break;
@@ -1062,7 +1062,7 @@ switch_state(struct nandsim *ns)
                                 NS_ERR("switch_state: BUG! unknown address state\n");
                 }
         } else {
-                /* 
+                /*
                  * Just reset internal counters.
                  */
 
@@ -1184,7 +1184,7 @@ ns_nand_read_byte(struct mtd_info *mtd)
                 default:
                         BUG();
         }
-        
+
         if (ns->regs.count == ns->regs.num) {
                 NS_DBG("read_byte: all bytes were read\n");
 
@@ -1201,9 +1201,9 @@ ns_nand_read_byte(struct mtd_info *mtd)
                 }
                 else if (NS_STATE(ns->nxstate) == STATE_READY)
                         switch_state(ns);
-                
+
         }
-        
+
         return outb;
 }
 
@@ -1211,7 +1211,7 @@ static void
 ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
 {
         struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
-        
+
         /* Sanity and correctness checks */
         if (!ns->lines.ce) {
                 NS_ERR("write_byte: chip is disabled, ignore write\n");
@@ -1221,7 +1221,7 @@ ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
                 NS_ERR("write_byte: ALE and CLE pins are high simultaneously, ignore write\n");
                 return;
         }
-                        
+
         if (ns->lines.cle == 1) {
                 /*
                  * The byte written is a command.
@@ -1233,7 +1233,7 @@ ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
                         return;
                 }
 
-                /* 
+                /*
                  * Chip might still be in STATE_DATAOUT
                  * (if OPT_AUTOINCR feature is supported), STATE_DATAOUT_STATUS or
                  * STATE_DATAOUT_STATUS_M state. If so, switch state.
@@ -1254,13 +1254,13 @@ ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
                                 "ignore previous states\n", (uint)byte, get_state_name(ns->nxstate));
                         switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
                 }
-                
+
                 /* Check that the command byte is correct */
                 if (check_command(byte)) {
                         NS_ERR("write_byte: unknown command %#x\n", (uint)byte);
                         return;
                 }
-                
+
                 NS_DBG("command byte corresponding to %s state accepted\n",
                         get_state_name(get_state_by_command(byte)));
                 ns->regs.command = byte;
@@ -1277,12 +1277,12 @@ ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
 
                         if (find_operation(ns, 1) < 0)
                                 return;
-                        
+
                         if ((ns->state & ACTION_MASK) && do_state_action(ns, ns->state) < 0) {
                                 switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
                                 return;
                         }
-                                
+
                         ns->regs.count = 0;
                         switch (NS_STATE(ns->nxstate)) {
                                 case STATE_ADDR_PAGE:
@@ -1306,7 +1306,7 @@ ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
                         switch_to_ready_state(ns, NS_STATUS_FAILED(ns));
                         return;
                 }
-                
+
                 /* Check if this is expected byte */
                 if (ns->regs.count == ns->regs.num) {
                         NS_ERR("write_byte: no more address bytes expected\n");
@@ -1325,12 +1325,12 @@ ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
                         NS_DBG("address (%#x, %#x) is accepted\n", ns->regs.row, ns->regs.column);
                         switch_state(ns);
                 }
-                
+
         } else {
                 /*
                  * The byte written is an input data.
                  */
-                
+
                 /* Check that chip is expecting data input */
                 if (!(ns->state & STATE_DATAIN_MASK)) {
                         NS_ERR("write_byte: data input (%#x) isn't expected, state is %s, "
@@ -1372,7 +1372,7 @@ ns_nand_read_word(struct mtd_info *mtd)
         struct nand_chip *chip = (struct nand_chip *)mtd->priv;
 
         NS_DBG("read_word\n");
-        
+
         return chip->read_byte(mtd) | (chip->read_byte(mtd) << 8);
 }
 
@@ -1380,14 +1380,14 @@ static void
 ns_nand_write_word(struct mtd_info *mtd, uint16_t word)
 {
         struct nand_chip *chip = (struct nand_chip *)mtd->priv;
-        
+
         NS_DBG("write_word\n");
-        
+
         chip->write_byte(mtd, word & 0xFF);
         chip->write_byte(mtd, word >> 8);
 }
 
-static void 
+static void
 ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
 {
         struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
@@ -1409,13 +1409,13 @@ ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
 
         memcpy(ns->buf.byte + ns->regs.count, buf, len);
         ns->regs.count += len;
-        
+
         if (ns->regs.count == ns->regs.num) {
                 NS_DBG("write_buf: %d bytes were written\n", ns->regs.count);
         }
 }
 
-static void 
+static void
 ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
 {
         struct nandsim *ns = (struct nandsim *)((struct nand_chip *)mtd->priv)->priv;
@@ -1453,7 +1453,7 @@ ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
 
         memcpy(buf, ns->buf.byte + ns->regs.count, len);
         ns->regs.count += len;
-        
+
         if (ns->regs.count == ns->regs.num) {
                 if ((ns->options & OPT_AUTOINCR) && NS_STATE(ns->state) == STATE_DATAOUT) {
                         ns->regs.count = 0;
@@ -1465,11 +1465,11 @@ ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
                 else if (NS_STATE(ns->nxstate) == STATE_READY)
                         switch_state(ns);
         }
-        
+
         return;
 }
 
-static int 
+static int
 ns_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len)
 {
         ns_nand_read_buf(mtd, (u_char *)&ns_verify_buf[0], len);
@@ -1496,7 +1496,7 @@ int __init ns_init_module(void)
                 NS_ERR("wrong bus width (%d), use only 8 or 16\n", bus_width);
                 return -EINVAL;
         }
-        
+
         /* Allocate and initialize mtd_info, nand_chip and nandsim structures */
         nsmtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip)
                                 + sizeof(struct nandsim), GFP_KERNEL);
@@ -1509,7 +1509,7 @@ int __init ns_init_module(void)
         chip        = (struct nand_chip *)(nsmtd + 1);
         nsmtd->priv = (void *)chip;
         nand        = (struct nandsim *)(chip + 1);
-        chip->priv  = (void *)nand;     
+        chip->priv  = (void *)nand;
 
         /*
          * Register simulator's callbacks.
@@ -1526,9 +1526,9 @@ int __init ns_init_module(void)
         chip->eccmode    = NAND_ECC_SOFT;
         chip->options   |= NAND_SKIP_BBTSCAN;
 
-        /* 
+        /*
          * Perform minimum nandsim structure initialization to handle
-         * the initial ID read command correctly 
+         * the initial ID read command correctly
          */
         if (third_id_byte != 0xFF || fourth_id_byte != 0xFF)
                 nand->geom.idbytes = 4;
@@ -1557,7 +1557,7 @@ int __init ns_init_module(void)
                 NS_ERR("scan_bbt: can't initialize the nandsim structure\n");
                 goto error;
         }
-        
+
         if ((retval = nand_default_bbt(nsmtd)) != 0) {
                 free_nandsim(nand);
                 goto error;
diff --git a/drivers/mtd/nand/ppchameleonevb.c b/drivers/mtd/nand/ppchameleonevb.c
index e510a83d7bdb..91a95f34a6ee 100644
--- a/drivers/mtd/nand/ppchameleonevb.c
+++ b/drivers/mtd/nand/ppchameleonevb.c
@@ -6,7 +6,7 @@
  *  Derived from drivers/mtd/nand/edb7312.c
  *
  *
- * $Id: ppchameleonevb.c,v 1.6 2004/11/05 16:07:16 kalev Exp $
+ * $Id: ppchameleonevb.c,v 1.7 2005/11/07 11:14:31 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
@@ -338,7 +338,7 @@ nand_evb_init:
         out_be32((volatile unsigned*)GPIO0_TSRH, in_be32((volatile unsigned*)GPIO0_TSRH) & 0xFFFFFFF0);
         out_be32((volatile unsigned*)GPIO0_TSRL, in_be32((volatile unsigned*)GPIO0_TSRL) & 0x3FFFFFFF);
         /* enable output driver */
-        out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) | NAND_EVB_nCE_GPIO_PIN | 
+        out_be32((volatile unsigned*)GPIO0_TCR, in_be32((volatile unsigned*)GPIO0_TCR) | NAND_EVB_nCE_GPIO_PIN |
                  NAND_EVB_CLE_GPIO_PIN | NAND_EVB_ALE_GPIO_PIN);
 #ifdef USE_READY_BUSY_PIN
         /* three-state select */
@@ -402,7 +402,7 @@ static void __exit ppchameleonevb_cleanup (void)
         /* Release resources, unregister device(s) */
         nand_release (ppchameleon_mtd);
         nand_release (ppchameleonevb_mtd);
-        
+
         /* Release iomaps */
         this = (struct nand_chip *) &ppchameleon_mtd[1];
         iounmap((void *) this->IO_ADDR_R;
diff --git a/drivers/mtd/nand/rtc_from4.c b/drivers/mtd/nand/rtc_from4.c
index 031051cbde76..3a5841c9d950 100644
--- a/drivers/mtd/nand/rtc_from4.c
+++ b/drivers/mtd/nand/rtc_from4.c
@@ -2,11 +2,11 @@
  *  drivers/mtd/nand/rtc_from4.c
  *
  *  Copyright (C) 2004  Red Hat, Inc.
- * 
+ *
  *  Derived from drivers/mtd/nand/spia.c
  *       Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
  *
- * $Id: rtc_from4.c,v 1.9 2005/01/24 20:40:11 dmarlin Exp $
+ * $Id: rtc_from4.c,v 1.10 2005/11/07 11:14:31 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
@@ -14,8 +14,8 @@
  *
  * Overview:
  *   This is a device driver for the AG-AND flash device found on the
- *   Renesas Technology Corp. Flash ROM 4-slot interface board (FROM_BOARD4), 
- *   which utilizes the Renesas HN29V1G91T-30 part. 
+ *   Renesas Technology Corp. Flash ROM 4-slot interface board (FROM_BOARD4),
+ *   which utilizes the Renesas HN29V1G91T-30 part.
  *   This chip is a 1 GBibit (128MiB x 8 bits) AG-AND flash device.
  */
 
@@ -105,9 +105,9 @@ const static struct mtd_partition partition_info[] = {
 };
 #define NUM_PARTITIONS 1
 
-/* 
+/*
  *      hardware specific flash bbt decriptors
- *      Note: this is to allow debugging by disabling 
+ *      Note: this is to allow debugging by disabling
  *              NAND_BBT_CREATE and/or NAND_BBT_WRITE
  *
  */
@@ -141,7 +141,7 @@ static struct nand_bbt_descr rtc_from4_bbt_mirror_descr = {
 /* the Reed Solomon control structure */
 static struct rs_control *rs_decoder;
 
-/* 
+/*
  *      hardware specific Out Of Band information
  */
 static struct nand_oobinfo rtc_from4_nand_oobinfo = {
@@ -200,38 +200,38 @@ static uint8_t revbits[256] = {
 
 
 
-/* 
+/*
  * rtc_from4_hwcontrol - hardware specific access to control-lines
  * @mtd:        MTD device structure
  * @cmd:        hardware control command
  *
- * Address lines (A5 and A4) are used to control Command and Address Latch 
+ * Address lines (A5 and A4) are used to control Command and Address Latch
  * Enable on this board, so set the read/write address appropriately.
  *
- * Chip Enable is also controlled by the Chip Select (CS5) and 
+ * Chip Enable is also controlled by the Chip Select (CS5) and
  * Address lines (A24-A22), so no action is required here.
  *
  */
 static void rtc_from4_hwcontrol(struct mtd_info *mtd, int cmd)
 {
         struct nand_chip* this = (struct nand_chip *) (mtd->priv);
-        
+
         switch(cmd) {
-                
-        case NAND_CTL_SETCLE: 
+
+        case NAND_CTL_SETCLE:
                 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_CLE);
                 break;
-        case NAND_CTL_CLRCLE: 
+        case NAND_CTL_CLRCLE:
                 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W & ~RTC_FROM4_CLE);
                 break;
-                
+
         case NAND_CTL_SETALE:
                 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W | RTC_FROM4_ALE);
                 break;
         case NAND_CTL_CLRALE:
                 this->IO_ADDR_W = (void __iomem *)((unsigned long)this->IO_ADDR_W & ~RTC_FROM4_ALE);
                 break;
-                
+
         case NAND_CTL_SETNCE:
                 break;
         case NAND_CTL_CLRNCE:
@@ -296,7 +296,7 @@ static int rtc_from4_nand_device_ready(struct mtd_info *mtd)
  * @mtd:        MTD device structure
  * @chip:       Chip to select (0 == slot 3, 1 == slot 4)
  *
- * If there was a sudden loss of power during an erase operation, a 
+ * If there was a sudden loss of power during an erase operation, a
  * "device recovery" operation must be performed when power is restored
  * to ensure correct operation.  This routine performs the required steps
  * for the requested chip.
@@ -312,7 +312,7 @@ static void deplete(struct mtd_info *mtd, int chip)
         while (!this->dev_ready(mtd));
 
         this->select_chip(mtd, chip);
-                                                                                                                                              
+
         /* Send the commands for device recovery, phase 1 */
         this->cmdfunc (mtd, NAND_CMD_DEPLETE1, 0x0000, 0x0000);
         this->cmdfunc (mtd, NAND_CMD_DEPLETE2, -1, -1);
@@ -330,7 +330,7 @@ static void deplete(struct mtd_info *mtd, int chip)
  * @mtd:        MTD device structure
  * @mode:       I/O mode; read or write
  *
- * enable hardware ECC for data read or write 
+ * enable hardware ECC for data read or write
  *
  */
 static void rtc_from4_enable_hwecc(struct mtd_info *mtd, int mode)
@@ -340,7 +340,7 @@ static void rtc_from4_enable_hwecc(struct mtd_info *mtd, int mode)
 
         switch (mode) {
             case NAND_ECC_READ :
-                status =  RTC_FROM4_RS_ECC_CTL_CLR 
+                status =  RTC_FROM4_RS_ECC_CTL_CLR
                         | RTC_FROM4_RS_ECC_CTL_FD_E;
 
                 *rs_ecc_ctl = status;
@@ -353,8 +353,8 @@ static void rtc_from4_enable_hwecc(struct mtd_info *mtd, int mode)
                 break;
 
             case NAND_ECC_WRITE :
-                status =  RTC_FROM4_RS_ECC_CTL_CLR 
-                        | RTC_FROM4_RS_ECC_CTL_GEN 
+                status =  RTC_FROM4_RS_ECC_CTL_CLR
+                        | RTC_FROM4_RS_ECC_CTL_GEN
                         | RTC_FROM4_RS_ECC_CTL_FD_E;
 
                 *rs_ecc_ctl = status;
@@ -411,7 +411,7 @@ static void rtc_from4_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_c
 static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_char *ecc1, u_char *ecc2)
 {
         int i, j, res;
-        unsigned short status; 
+        unsigned short status;
         uint16_t par[6], syn[6];
         uint8_t ecc[8];
         volatile unsigned short *rs_ecc;
@@ -430,7 +430,7 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
         }
 
         /* convert into 6 10bit syndrome fields */
-        par[5] = rs_decoder->index_of[(((uint16_t)ecc[0] >> 0) & 0x0ff) | 
+        par[5] = rs_decoder->index_of[(((uint16_t)ecc[0] >> 0) & 0x0ff) |
                                       (((uint16_t)ecc[1] << 8) & 0x300)];
         par[4] = rs_decoder->index_of[(((uint16_t)ecc[1] >> 2) & 0x03f) |
                                       (((uint16_t)ecc[2] << 6) & 0x3c0)];
@@ -456,7 +456,7 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
         /* Let the library code do its magic.*/
         res = decode_rs8(rs_decoder, (uint8_t *)buf, par, 512, syn, 0, NULL, 0xff, NULL);
         if (res > 0) {
-                DEBUG (MTD_DEBUG_LEVEL0, "rtc_from4_correct_data: " 
+                DEBUG (MTD_DEBUG_LEVEL0, "rtc_from4_correct_data: "
                         "ECC corrected %d errors on read\n", res);
         }
         return res;
@@ -470,9 +470,9 @@ static int rtc_from4_correct_data(struct mtd_info *mtd, const u_char *buf, u_cha
  * @state:      state or the operation
  * @status:     status code returned from read status
  * @page:       startpage inside the chip, must be called with (page & this->pagemask)
- * 
- * Perform additional error status checks on erase and write failures 
- * to determine if errors are correctable.  For this device, correctable 
+ *
+ * Perform additional error status checks on erase and write failures
+ * to determine if errors are correctable.  For this device, correctable
  * 1-bit errors on erase and write are considered acceptable.
  *
  * note: see pages 34..37 of data sheet for details.
@@ -633,7 +633,7 @@ int __init rtc_from4_init (void)
 
 #ifdef RTC_FROM4_HWECC
         /* We could create the decoder on demand, if memory is a concern.
-         * This way we have it handy, if an error happens 
+         * This way we have it handy, if an error happens
          *
          * Symbolsize is 10 (bits)
          * Primitve polynomial is x^10+x^3+1
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 2df5e47d1f5c..97e9b7892d29 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -17,8 +17,9 @@
  *      02-May-2005  BJD  Reduced hwcontrol decode
  *      20-Jun-2005  BJD  Updated s3c2440 support, fixed timing bug
  *      08-Jul-2005  BJD  Fix OOPS when no platform data supplied
+ *      20-Oct-2005  BJD  Fix timing calculation bug
  *
- * $Id: s3c2410.c,v 1.14 2005/07/06 20:05:06 bjd Exp $
+ * $Id: s3c2410.c,v 1.20 2005/11/07 11:14:31 gleixner Exp $
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -136,13 +137,13 @@ static struct s3c2410_platform_nand *to_nand_plat(struct device *dev)
 
 /* timing calculations */
 
-#define NS_IN_KHZ 10000000
+#define NS_IN_KHZ 1000000
 
 static int s3c2410_nand_calc_rate(int wanted, unsigned long clk, int max)
 {
         int result;
 
-        result = (wanted * NS_IN_KHZ) / clk;
+        result = (wanted * clk) / NS_IN_KHZ;
         result++;
 
         pr_debug("result %d from %ld, %d\n", result, clk, wanted);
@@ -159,20 +160,22 @@ static int s3c2410_nand_calc_rate(int wanted, unsigned long clk, int max)
         return result;
 }
 
-#define to_ns(ticks,clk) (((clk) * (ticks)) / NS_IN_KHZ)
+#define to_ns(ticks,clk) (((ticks) * NS_IN_KHZ) / (unsigned int)(clk))
 
 /* controller setup */
 
-static int s3c2410_nand_inithw(struct s3c2410_nand_info *info, 
+static int s3c2410_nand_inithw(struct s3c2410_nand_info *info,
                                struct device *dev)
 {
         struct s3c2410_platform_nand *plat = to_nand_plat(dev);
-        unsigned int tacls, twrph0, twrph1;
         unsigned long clkrate = clk_get_rate(info->clk);
+        int tacls, twrph0, twrph1;
         unsigned long cfg;
 
         /* calculate the timing information for the controller */
 
+        clkrate /= 1000;        /* turn clock into kHz for ease of use */
+
         if (plat != NULL) {
                 tacls  = s3c2410_nand_calc_rate(plat->tacls, clkrate, 4);
                 twrph0 = s3c2410_nand_calc_rate(plat->twrph0, clkrate, 8);
@@ -183,16 +186,16 @@ static int s3c2410_nand_inithw(struct s3c2410_nand_info *info,
                 twrph0 = 8;
                 twrph1 = 8;
         }
-        
+
         if (tacls < 0 || twrph0 < 0 || twrph1 < 0) {
                 printk(KERN_ERR PFX "cannot get timings suitable for board\n");
                 return -EINVAL;
         }
 
-        printk(KERN_INFO PFX "timing: Tacls %ldns, Twrph0 %ldns, Twrph1 %ldns\n",
-               to_ns(tacls, clkrate),
-               to_ns(twrph0, clkrate),
-               to_ns(twrph1, clkrate));
+        printk(KERN_INFO PFX "Tacls=%d, %dns Twrph0=%d %dns, Twrph1=%d %dns\n",
+               tacls, to_ns(tacls, clkrate),
+               twrph0, to_ns(twrph0, clkrate),
+               twrph1, to_ns(twrph1, clkrate));
 
         if (!info->is_s3c2440) {
                 cfg  = S3C2410_NFCONF_EN;
@@ -216,7 +219,7 @@ static int s3c2410_nand_inithw(struct s3c2410_nand_info *info,
 static void s3c2410_nand_select_chip(struct mtd_info *mtd, int chip)
 {
         struct s3c2410_nand_info *info;
-        struct s3c2410_nand_mtd *nmtd; 
+        struct s3c2410_nand_mtd *nmtd;
         struct nand_chip *this = mtd->priv;
         void __iomem *reg;
         unsigned long cur;
@@ -249,7 +252,7 @@ static void s3c2410_nand_select_chip(struct mtd_info *mtd, int chip)
         writel(cur, reg);
 }
 
-/* command and control functions 
+/* command and control functions
  *
  * Note, these all use tglx's method of changing the IO_ADDR_W field
  * to make the code simpler, and use the nand layer's code to issue the
@@ -321,7 +324,7 @@ static void s3c2440_nand_hwcontrol(struct mtd_info *mtd, int cmd)
 static int s3c2410_nand_devready(struct mtd_info *mtd)
 {
         struct s3c2410_nand_info *info = s3c2410_nand_mtd_toinfo(mtd);
-        
+
         if (info->is_s3c2440)
                 return readb(info->regs + S3C2440_NFSTAT) & S3C2440_NFSTAT_READY;
         return readb(info->regs + S3C2410_NFSTAT) & S3C2410_NFSTAT_BUSY;
@@ -342,7 +345,7 @@ static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat,
 
         if (read_ecc[0] == calc_ecc[0] &&
             read_ecc[1] == calc_ecc[1] &&
-            read_ecc[2] == calc_ecc[2]) 
+            read_ecc[2] == calc_ecc[2])
                 return 0;
 
         /* we curently have no method for correcting the error */
@@ -433,14 +436,14 @@ static int s3c2410_nand_remove(struct device *dev)
 
         dev_set_drvdata(dev, NULL);
 
-        if (info == NULL) 
+        if (info == NULL)
                 return 0;
 
         /* first thing we need to do is release all our mtds
          * and their partitions, then go through freeing the
-         * resources used 
+         * resources used
          */
-        
+
         if (info->mtds != NULL) {
                 struct s3c2410_nand_mtd *ptr = info->mtds;
                 int mtdno;
@@ -504,7 +507,7 @@ static int s3c2410_nand_add_partition(struct s3c2410_nand_info *info,
 
 /* s3c2410_nand_init_chip
  *
- * init a single instance of an chip 
+ * init a single instance of an chip
 */
 
 static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
@@ -576,7 +579,7 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
 
         info = kmalloc(sizeof(*info), GFP_KERNEL);
         if (info == NULL) {
-                printk(KERN_ERR PFX "no memory for flash info\n");
+                dev_err(dev, "no memory for flash info\n");
                 err = -ENOMEM;
                 goto exit_error;
         }
@@ -591,7 +594,7 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
 
         info->clk = clk_get(dev, "nand");
         if (IS_ERR(info->clk)) {
-                printk(KERN_ERR PFX "failed to get clock");
+                dev_err(dev, "failed to get clock");
                 err = -ENOENT;
                 goto exit_error;
         }
@@ -608,7 +611,7 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
         info->area = request_mem_region(res->start, size, pdev->name);
 
         if (info->area == NULL) {
-                printk(KERN_ERR PFX "cannot reserve register region\n");
+                dev_err(dev, "cannot reserve register region\n");
                 err = -ENOENT;
                 goto exit_error;
         }
@@ -619,12 +622,12 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
         info->is_s3c2440 = is_s3c2440;
 
         if (info->regs == NULL) {
-                printk(KERN_ERR PFX "cannot reserve register region\n");
+                dev_err(dev, "cannot reserve register region\n");
                 err = -EIO;
                 goto exit_error;
-        }               
+        }
 
-        printk(KERN_INFO PFX "mapped registers at %p\n", info->regs);
+        dev_dbg(dev, "mapped registers at %p\n", info->regs);
 
         /* initialise the hardware */
 
@@ -642,7 +645,7 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
         size = nr_sets * sizeof(*info->mtds);
         info->mtds = kmalloc(size, GFP_KERNEL);
         if (info->mtds == NULL) {
-                printk(KERN_ERR PFX "failed to allocate mtd storage\n");
+                dev_err(dev, "failed to allocate mtd storage\n");
                 err = -ENOMEM;
                 goto exit_error;
         }
@@ -656,7 +659,7 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
         for (setno = 0; setno < nr_sets; setno++, nmtd++) {
                 pr_debug("initialising set %d (%p, info %p)\n",
                          setno, nmtd, info);
-                
+
                 s3c2410_nand_init_chip(info, nmtd, sets);
 
                 nmtd->scan_res = nand_scan(&nmtd->mtd,
@@ -669,7 +672,7 @@ static int s3c24xx_nand_probe(struct device *dev, int is_s3c2440)
                 if (sets != NULL)
                         sets++;
         }
-        
+
         pr_debug("initialised ok\n");
         return 0;
 
@@ -695,6 +698,7 @@ static int s3c2440_nand_probe(struct device *dev)
 
 static struct device_driver s3c2410_nand_driver = {
         .name           = "s3c2410-nand",
+        .owner          = THIS_MODULE,
         .bus            = &platform_bus_type,
         .probe          = s3c2410_nand_probe,
         .remove         = s3c2410_nand_remove,
@@ -702,6 +706,7 @@ static struct device_driver s3c2410_nand_driver = {
 
 static struct device_driver s3c2440_nand_driver = {
         .name           = "s3c2440-nand",
+        .owner          = THIS_MODULE,
         .bus            = &platform_bus_type,
         .probe          = s3c2440_nand_probe,
         .remove         = s3c2410_nand_remove,
diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c
index 88b5b5b40b43..1924a4f137c7 100644
--- a/drivers/mtd/nand/sharpsl.c
+++ b/drivers/mtd/nand/sharpsl.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 2004 Richard Purdie
  *
- *  $Id: sharpsl.c,v 1.4 2005/01/23 11:09:19 rpurdie Exp $
+ *  $Id: sharpsl.c,v 1.7 2005/11/07 11:14:31 gleixner Exp $
  *
  *  Based on Sharp's NAND driver sharp_sl.c
  *
@@ -76,14 +76,14 @@ static struct mtd_partition sharpsl_nand_default_partition_info[] = {
         },
 };
 
-/* 
+/*
  *      hardware specific access to control-lines
  */
 static void
 sharpsl_nand_hwcontrol(struct mtd_info* mtd, int cmd)
 {
         switch (cmd) {
-        case NAND_CTL_SETCLE: 
+        case NAND_CTL_SETCLE:
                 writeb(readb(FLASHCTL) | FLCLE, FLASHCTL);
                 break;
         case NAND_CTL_CLRCLE:
@@ -97,10 +97,10 @@ sharpsl_nand_hwcontrol(struct mtd_info* mtd, int cmd)
                 writeb(readb(FLASHCTL) & ~FLALE, FLASHCTL);
                 break;
 
-        case NAND_CTL_SETNCE: 
+        case NAND_CTL_SETNCE:
                 writeb(readb(FLASHCTL) & ~(FLCE0|FLCE1), FLASHCTL);
                 break;
-        case NAND_CTL_CLRNCE: 
+        case NAND_CTL_CLRNCE:
                 writeb(readb(FLASHCTL) | (FLCE0|FLCE1), FLASHCTL);
                 break;
         }
@@ -115,6 +115,23 @@ static struct nand_bbt_descr sharpsl_bbt = {
         .pattern = scan_ff_pattern
 };
 
+static struct nand_bbt_descr sharpsl_akita_bbt = {
+        .options = 0,
+        .offs = 4,
+        .len = 1,
+        .pattern = scan_ff_pattern
+};
+
+static struct nand_oobinfo akita_oobinfo = {
+        .useecc = MTD_NANDECC_AUTOPLACE,
+        .eccbytes = 24,
+        .eccpos = {
+                0x5,  0x1,  0x2,  0x3,  0x6,  0x7,  0x15, 0x11,
+                0x12, 0x13, 0x16, 0x17, 0x25, 0x21, 0x22, 0x23,
+                0x26, 0x27, 0x35, 0x31, 0x32, 0x33, 0x36, 0x37},
+        .oobfree = { {0x08, 0x09} }
+};
+
 static int
 sharpsl_nand_dev_ready(struct mtd_info* mtd)
 {
@@ -160,7 +177,7 @@ sharpsl_nand_init(void)
                 printk ("Unable to allocate SharpSL NAND MTD device structure.\n");
                 return -ENOMEM;
         }
-        
+
         /* map physical adress */
         sharpsl_io_base = ioremap(sharpsl_phys_base, 0x1000);
         if(!sharpsl_io_base){
@@ -168,7 +185,7 @@ sharpsl_nand_init(void)
                 kfree(sharpsl_mtd);
                 return -EIO;
         }
-        
+
         /* Get pointer to private data */
         this = (struct nand_chip *) (&sharpsl_mtd[1]);
 
@@ -194,10 +211,14 @@ sharpsl_nand_init(void)
         this->chip_delay = 15;
         /* set eccmode using hardware ECC */
         this->eccmode = NAND_ECC_HW3_256;
+        this->badblock_pattern = &sharpsl_bbt;
+        if (machine_is_akita() || machine_is_borzoi()) {
+                this->badblock_pattern = &sharpsl_akita_bbt;
+                this->autooob = &akita_oobinfo;
+        }
         this->enable_hwecc = sharpsl_nand_enable_hwecc;
         this->calculate_ecc = sharpsl_nand_calculate_ecc;
         this->correct_data = nand_correct_data;
-        this->badblock_pattern = &sharpsl_bbt;
 
         /* Scan to find existence of the device */
         err=nand_scan(sharpsl_mtd,1);
@@ -211,7 +232,7 @@ sharpsl_nand_init(void)
         sharpsl_mtd->name = "sharpsl-nand";
         nr_partitions = parse_mtd_partitions(sharpsl_mtd, part_probes,
                                                 &sharpsl_partition_info, 0);
-                                                 
+
         if (nr_partitions <= 0) {
                 nr_partitions = DEFAULT_NUM_PARTITIONS;
                 sharpsl_partition_info = sharpsl_nand_default_partition_info;
@@ -230,7 +251,7 @@ sharpsl_nand_init(void)
                 }
         }
 
-        if (machine_is_husky() || machine_is_borzoi()) {
+        if (machine_is_husky() || machine_is_borzoi() || machine_is_akita()) {
                 /* Need to use small eraseblock size for backward compatibility */
                 sharpsl_mtd->flags |= MTD_NO_VIRTBLOCKS;
         }
diff --git a/drivers/mtd/nand/spia.c b/drivers/mtd/nand/spia.c
index b777c412b758..32541cbb0103 100644
--- a/drivers/mtd/nand/spia.c
+++ b/drivers/mtd/nand/spia.c
@@ -8,7 +8,7 @@
  *                      to controllines (due to change in nand.c)
  *                      page_cache added
  *
- * $Id: spia.c,v 1.24 2004/11/04 12:53:10 gleixner Exp $
+ * $Id: spia.c,v 1.25 2005/11/07 11:14:31 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
@@ -82,7 +82,7 @@ const static struct mtd_partition partition_info[] = {
 #define NUM_PARTITIONS 2
 
 
-/* 
+/*
  *      hardware specific access to control-lines
 */
 static void spia_hwcontrol(struct mtd_info *mtd, int cmd){
@@ -137,7 +137,7 @@ int __init spia_init (void)
         /* Set address of hardware control function */
         this->hwcontrol = spia_hwcontrol;
         /* 15 us command delay time */
-        this->chip_delay = 15;          
+        this->chip_delay = 15;
 
         /* Scan to find existence of the device */
         if (nand_scan (spia_mtd, 1)) {
diff --git a/drivers/mtd/nand/toto.c b/drivers/mtd/nand/toto.c
index 52c808fb5fa9..7609c43cb3ec 100644
--- a/drivers/mtd/nand/toto.c
+++ b/drivers/mtd/nand/toto.c
@@ -15,7 +15,7 @@
  *   This is a device driver for the NAND flash device found on the
  *   TI fido board. It supports 32MiB and 64MiB cards
  *
- * $Id: toto.c,v 1.4 2004/10/05 13:50:20 gleixner Exp $
+ * $Id: toto.c,v 1.5 2005/11/07 11:14:31 gleixner Exp $
  */
 
 #include <linux/slab.h>
@@ -57,7 +57,7 @@ static unsigned long toto_io_base = OMAP_FLASH_1_BASE;
 #endif
 #define T_NAND_CTL_SETNCE(iob)  gpiosetout(NAND_NCE, 0)
 #define T_NAND_CTL_CLRNCE(iob)  gpiosetout(NAND_NCE, NAND_NCE)
-                
+
 /*
  * Define partitions for flash devices
  */
@@ -91,7 +91,7 @@ static struct mtd_partition partition_info32M[] = {
 
 #define NUM_PARTITIONS32M 3
 #define NUM_PARTITIONS64M 4
-/* 
+/*
  *      hardware specific access to control-lines
 */
 
@@ -146,7 +146,7 @@ int __init toto_init (void)
         this->hwcontrol = toto_hwcontrol;
         this->dev_ready = NULL;
         /* 25 us command delay time */
-        this->chip_delay = 30;          
+        this->chip_delay = 30;
         this->eccmode = NAND_ECC_SOFT;
 
         /* Scan to find existance of the device */
@@ -157,10 +157,10 @@ int __init toto_init (void)
 
         /* Register the partitions */
         switch(toto_mtd->size){
-                case SZ_64M: add_mtd_partitions(toto_mtd, partition_info64M, NUM_PARTITIONS64M); break; 
-                case SZ_32M: add_mtd_partitions(toto_mtd, partition_info32M, NUM_PARTITIONS32M); break; 
+                case SZ_64M: add_mtd_partitions(toto_mtd, partition_info64M, NUM_PARTITIONS64M); break;
+                case SZ_32M: add_mtd_partitions(toto_mtd, partition_info32M, NUM_PARTITIONS32M); break;
                 default: {
-                        printk (KERN_WARNING "Unsupported Nand device\n"); 
+                        printk (KERN_WARNING "Unsupported Nand device\n");
                         err = -ENXIO;
                         goto out_buf;
                 }
@@ -170,9 +170,9 @@ int __init toto_init (void)
         archflashwp(0,0);        /* open up flash for writing */
 
         goto out;
-    
+
 out_buf:
-        kfree (this->data_buf);    
+        kfree (this->data_buf);
 out_mtd:
         kfree (toto_mtd);
 out:
@@ -194,7 +194,7 @@ static void __exit toto_cleanup (void)
 
         /* stop flash writes */
          archflashwp(0,1);
-        
+
         /* release gpios to system */
          gpiorelease(NAND_MASK);
 }