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generic: fold yaffs_cvs_2009_04_24 patch to generic/files

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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34012 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2012-10-30 14:58:13 +00:00
parent 405e8aec86
commit 22c66493c9
35 changed files with 3171 additions and 27531 deletions
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46
target/linux/generic/files/fs/yaffs2/yaffs_mtdif1.c
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@@ -26,7 +26,7 @@
#include "yportenv.h"
#include "yaffs_guts.h"
#include "yaffs_packedtags1.h"
#include "yaffs_tagscompat.h" // for yaffs_CalcTagsECC
#include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */
#include "linux/kernel.h"
#include "linux/version.h"
@@ -34,9 +34,9 @@
#include "linux/mtd/mtd.h"
/* Don't compile this module if we don't have MTD's mtd_oob_ops interface */
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.3 2007/05/15 20:16:11 ian Exp $";
const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.10 2009-03-09 07:41:10 charles Exp $";
#ifndef CONFIG_YAFFS_9BYTE_TAGS
# define YTAG1_SIZE 8
@@ -89,9 +89,9 @@ static struct nand_ecclayout nand_oob_16 = {
* Returns YAFFS_OK or YAFFS_FAIL.
*/
int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev,
int chunkInNAND, const __u8 * data, const yaffs_ExtendedTags * etags)
int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags)
{
struct mtd_info * mtd = dev->genericDevice;
struct mtd_info *mtd = dev->genericDevice;
int chunkBytes = dev->nDataBytesPerChunk;
loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
struct mtd_oob_ops ops;
@@ -146,7 +146,7 @@ int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev,
/* Return with empty ExtendedTags but add eccResult.
*/
static int rettags(yaffs_ExtendedTags * etags, int eccResult, int retval)
static int rettags(yaffs_ExtendedTags *etags, int eccResult, int retval)
{
if (etags) {
memset(etags, 0, sizeof(*etags));
@@ -169,9 +169,9 @@ static int rettags(yaffs_ExtendedTags * etags, int eccResult, int retval)
* Returns YAFFS_OK or YAFFS_FAIL.
*/
int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
int chunkInNAND, __u8 * data, yaffs_ExtendedTags * etags)
int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags)
{
struct mtd_info * mtd = dev->genericDevice;
struct mtd_info *mtd = dev->genericDevice;
int chunkBytes = dev->nDataBytesPerChunk;
loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
int eccres = YAFFS_ECC_RESULT_NO_ERROR;
@@ -189,7 +189,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
ops.datbuf = data;
ops.oobbuf = (__u8 *)&pt1;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20))
#if (MTD_VERSION_CODE < MTD_VERSION(2, 6, 20))
/* In MTD 2.6.18 to 2.6.19 nand_base.c:nand_do_read_oob() has a bug;
* help it out with ops.len = ops.ooblen when ops.datbuf == NULL.
*/
@@ -284,11 +284,11 @@ int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
*/
int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
{
struct mtd_info * mtd = dev->genericDevice;
struct mtd_info *mtd = dev->genericDevice;
int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk;
int retval;
yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad", blockNo);
yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo);
retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo);
return (retval) ? YAFFS_FAIL : YAFFS_OK;
@@ -298,7 +298,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
*
* Returns YAFFS_OK or YAFFS_FAIL.
*/
static int nandmtd1_TestPrerequists(struct mtd_info * mtd)
static int nandmtd1_TestPrerequists(struct mtd_info *mtd)
{
/* 2.6.18 has mtd->ecclayout->oobavail */
/* 2.6.21 has mtd->ecclayout->oobavail and mtd->oobavail */
@@ -323,10 +323,11 @@ static int nandmtd1_TestPrerequists(struct mtd_info * mtd)
* Always returns YAFFS_OK.
*/
int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
yaffs_BlockState * pState, int *pSequenceNumber)
yaffs_BlockState *pState, __u32 *pSequenceNumber)
{
struct mtd_info * mtd = dev->genericDevice;
struct mtd_info *mtd = dev->genericDevice;
int chunkNo = blockNo * dev->nChunksPerBlock;
loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk;
yaffs_ExtendedTags etags;
int state = YAFFS_BLOCK_STATE_DEAD;
int seqnum = 0;
@@ -335,21 +336,22 @@ int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
/* We don't yet have a good place to test for MTD config prerequists.
* Do it here as we are called during the initial scan.
*/
if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK) {
if (nandmtd1_TestPrerequists(mtd) != YAFFS_OK)
return YAFFS_FAIL;
}
retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags);
etags.blockBad = (mtd->block_isbad)(mtd, addr);
if (etags.blockBad) {
yaffs_trace(YAFFS_TRACE_BAD_BLOCKS,
"block %d is marked bad", blockNo);
"block %d is marked bad\n", blockNo);
state = YAFFS_BLOCK_STATE_DEAD;
}
else if (etags.chunkUsed) {
} else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) {
/* bad tags, need to look more closely */
state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
} else if (etags.chunkUsed) {
state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
seqnum = etags.sequenceNumber;
}
else {
} else {
state = YAFFS_BLOCK_STATE_EMPTY;
}
@@ -360,4 +362,4 @@ int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
return YAFFS_OK;
}
#endif /*KERNEL_VERSION*/
#endif /*MTD_VERSION*/