/*
- * YAFFS: Yet another FFS. A NAND-flash specific file system.
- * yaffs_mtdif.c NAND mtd wrapper functions.
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
*
- * Copyright (C) 2002 Aleph One Ltd.
+ * Copyright (C) 2002-2007 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* Created by Charles Manning <charles@aleph1.co.uk>
* 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
* published by the Free Software Foundation.
- *
*/
const char *yaffs_mtdif_c_version =
- "$Id: yaffs_mtdif.c,v 1.15 2006-10-03 10:13:03 charles Exp $";
+ "$Id: yaffs_mtdif.c,v 1.21 2007-12-13 15:35:18 wookey Exp $";
#include "yportenv.h"
#include "linux/time.h"
#include "linux/mtd/nand.h"
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
+#if (MTD_VERSION_CODE < MTD_VERSION(2,6,18))
static struct nand_oobinfo yaffs_oobinfo = {
.useecc = 1,
.eccbytes = 6,
};
#endif
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2,6,17))
static inline void translate_spare2oob(const yaffs_Spare *spare, __u8 *oob)
{
oob[0] = spare->tagByte0;
spare->tagByte5 = oob[5] == 0xff ? 0xff : oob[5] & 0x3f;
spare->blockStatus = oob[5] & 0x80 ? 0xff : 'Y';
spare->pageStatus = oob[5] & 0x40 ? 0xff : 0;
+ spare->ecc1[0] = spare->ecc1[1] = spare->ecc1[2] = 0xff;
spare->tagByte6 = oob[6];
spare->tagByte7 = oob[7];
+ spare->ecc2[0] = spare->ecc2[1] = spare->ecc2[2] = 0xff;
nspare->eccres1 = nspare->eccres2 = 0; /* FIXME */
}
const __u8 * data, const yaffs_Spare * spare)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2,6,17))
struct mtd_oob_ops ops;
#endif
size_t dummy;
int retval = 0;
loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2,6,17))
__u8 spareAsBytes[8]; /* OOB */
if (data && !spare)
- retval = mtd->write(mtd, addr, dev->nBytesPerChunk,
+ retval = mtd->write(mtd, addr, dev->nDataBytesPerChunk,
&dummy, data);
else if (spare) {
if (dev->useNANDECC) {
ops.mode = MTD_OOB_RAW;
ops.ooblen = YAFFS_BYTES_PER_SPARE;
}
- ops.len = data ? dev->nBytesPerChunk : ops.ooblen;
+ ops.len = data ? dev->nDataBytesPerChunk : ops.ooblen;
ops.datbuf = (u8 *)data;
ops.ooboffs = 0;
ops.oobbuf = spareAsBytes;
yaffs_Spare * spare)
{
struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2,6,17))
struct mtd_oob_ops ops;
#endif
size_t dummy;
int retval = 0;
loff_t addr = ((loff_t) chunkInNAND) * dev->nDataBytesPerChunk;
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+#if (MTD_VERSION_CODE > MTD_VERSION(2,6,17))
__u8 spareAsBytes[8]; /* OOB */
if (data && !spare)
- retval = mtd->read(mtd, addr, dev->nBytesPerChunk,
+ retval = mtd->read(mtd, addr, dev->nDataBytesPerChunk,
&dummy, data);
else if (spare) {
if (dev->useNANDECC) {
ops.mode = MTD_OOB_RAW;
ops.ooblen = YAFFS_BYTES_PER_SPARE;
}
- ops.len = data ? dev->nBytesPerChunk : ops.ooblen;
+ ops.len = data ? dev->nDataBytesPerChunk : ops.ooblen;
ops.datbuf = data;
ops.ooboffs = 0;
ops.oobbuf = spareAsBytes;
__u8 *spareAsBytes = (__u8 *) spare;
if (data && spare) {
- if (dev->useNANDECC) {
+ if (dev->useNANDECC) {
/* Careful, this call adds 2 ints */
/* to the end of the spare data. Calling function */
/* should allocate enough memory for spare, */