[ARM] 5400/1: Add support for inverted rdy_busy pin for Atmel nand device controller

[safe/jmp/linux-2.6] / drivers / mtd / inftlcore.c

diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c
index 4116535..73f0522 100644 (file)
--- a/drivers/mtd/inftlcore.c
+++ b/drivers/mtd/inftlcore.c
@@ -7,8 +7,6 @@
  * (c) 1999 Machine Vision Holdings, Inc.
  * Author: David Woodhouse <dwmw2@infradead.org>
  *
- * $Id: inftlcore.c,v 1.19 2005/11/07 11:14:20 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
  * the Free Software Foundation; either version 2 of the License, or
@@ -52,7 +50,7 @@ static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
        struct INFTLrecord *inftl;
        unsigned long temp;
 
-       if (mtd->type != MTD_NANDFLASH)
+       if (mtd->type != MTD_NANDFLASH || mtd->size > UINT_MAX)
                return;
        /* OK, this is moderately ugly.  But probably safe.  Alternatives? */
        if (memcmp(mtd->name, "DiskOnChip", 10))
@@ -67,17 +65,16 @@ static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 
        DEBUG(MTD_DEBUG_LEVEL3, "INFTL: add_mtd for %s\n", mtd->name);
 
-       inftl = kmalloc(sizeof(*inftl), GFP_KERNEL);
+       inftl = kzalloc(sizeof(*inftl), GFP_KERNEL);
 
        if (!inftl) {
                printk(KERN_WARNING "INFTL: Out of memory for data structures\n");
                return;
        }
-       memset(inftl, 0, sizeof(*inftl));
 
        inftl->mbd.mtd = mtd;
        inftl->mbd.devnum = -1;
-       inftl->mbd.blksize = 512;
+
        inftl->mbd.tr = tr;
 
        if (INFTL_mount(inftl) < 0) {
@@ -163,10 +160,9 @@ int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
        ops.ooblen = len;
        ops.oobbuf = buf;
        ops.datbuf = NULL;
-       ops.len = len;
 
        res = mtd->read_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
-       *retlen = ops.retlen;
+       *retlen = ops.oobretlen;
        return res;
 }
 
@@ -184,10 +180,9 @@ int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
        ops.ooblen = len;
        ops.oobbuf = buf;
        ops.datbuf = NULL;
-       ops.len = len;
 
        res = mtd->write_oob(mtd, offs & ~(mtd->writesize - 1), &ops);
-       *retlen = ops.retlen;
+       *retlen = ops.oobretlen;
        return res;
 }
 
@@ -393,6 +388,10 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
                if (thisEUN == targetEUN)
                        break;
 
+               /* Unlink the last block from the chain. */
+               inftl->PUtable[prevEUN] = BLOCK_NIL;
+
+               /* Now try to erase it. */
                if (INFTL_formatblock(inftl, thisEUN) < 0) {
                        /*
                         * Could not erase : mark block as reserved.
@@ -401,7 +400,6 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
                } else {
                        /* Correctly erased : mark it as free */
                        inftl->PUtable[thisEUN] = BLOCK_FREE;
-                       inftl->PUtable[prevEUN] = BLOCK_NIL;
                        inftl->numfreeEUNs++;
                }
        }
@@ -945,6 +943,7 @@ static struct mtd_blktrans_ops inftl_tr = {
        .name           = "inftl",
        .major          = INFTL_MAJOR,
        .part_bits      = INFTL_PARTN_BITS,
+       .blksize        = 512,
        .getgeo         = inftl_getgeo,
        .readsect       = inftl_readblock,
        .writesect      = inftl_writeblock,
@@ -955,9 +954,6 @@ static struct mtd_blktrans_ops inftl_tr = {
 
 static int __init init_inftl(void)
 {
-       printk(KERN_INFO "INFTL: inftlcore.c $Revision: 1.19 $, "
-               "inftlmount.c %s\n", inftlmountrev);
-
        return register_mtd_blktrans(&inftl_tr);
 }