* YAFFS: Yet another FFS. A NAND-flash specific file system.
* yaffs_mtdif1.c NAND mtd interface functions for small-page NAND.
*
- * Copyright (C) 2002 Aleph One Ltd.
+ * Copyright (C) 2002-2010 Aleph One Ltd.
* for Toby Churchill Ltd and Brightstar Engineering
*
* This program is free software; you can redistribute it and/or modify
#include "yaffs_guts.h"
#include "yaffs_packedtags1.h"
#include "yaffs_tagscompat.h" /* for yaffs_CalcTagsECC */
+#include "yaffs_linux.h"
#include "linux/kernel.h"
#include "linux/version.h"
/* Don't compile this module if we don't have MTD's mtd_oob_ops interface */
#if (MTD_VERSION_CODE > MTD_VERSION(2, 6, 17))
-const char *yaffs_mtdif1_c_version = "$Id: yaffs_mtdif1.c,v 1.12 2010-01-11 04:06:46 charles Exp $";
-
#ifndef CONFIG_YAFFS_9BYTE_TAGS
# define YTAG1_SIZE 8
#else
int nandmtd1_WriteChunkWithTagsToNAND(yaffs_Device *dev,
int chunkInNAND, const __u8 *data, const yaffs_ExtendedTags *etags)
{
- struct mtd_info *mtd = dev->genericDevice;
+ struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd;
int chunkBytes = dev->nDataBytesPerChunk;
loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
struct mtd_oob_ops ops;
retval = mtd->write_oob(mtd, addr, &ops);
if (retval) {
- yaffs_trace(YAFFS_TRACE_MTD,
- "write_oob failed, chunk %d, mtd error %d\n",
- chunkInNAND, retval);
+ T(YAFFS_TRACE_MTD,
+ (TSTR("write_oob failed, chunk %d, mtd error %d"TENDSTR),
+ chunkInNAND, retval));
}
return retval ? YAFFS_FAIL : YAFFS_OK;
}
int nandmtd1_ReadChunkWithTagsFromNAND(yaffs_Device *dev,
int chunkInNAND, __u8 *data, yaffs_ExtendedTags *etags)
{
- struct mtd_info *mtd = dev->genericDevice;
+ struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd;
int chunkBytes = dev->nDataBytesPerChunk;
loff_t addr = ((loff_t)chunkInNAND) * chunkBytes;
int eccres = YAFFS_ECC_RESULT_NO_ERROR;
*/
retval = mtd->read_oob(mtd, addr, &ops);
if (retval) {
- yaffs_trace(YAFFS_TRACE_MTD,
- "read_oob failed, chunk %d, mtd error %d\n",
- chunkInNAND, retval);
+ T(YAFFS_TRACE_MTD,
+ (TSTR("read_oob failed, chunk %d, mtd error %d"TENDSTR),
+ chunkInNAND, retval));
}
switch (retval) {
*/
int nandmtd1_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
{
- struct mtd_info *mtd = dev->genericDevice;
- int blocksize = dev->nChunksPerBlock * dev->nDataBytesPerChunk;
+ struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd;
+ int blocksize = dev->param.nChunksPerBlock * dev->nDataBytesPerChunk;
int retval;
- yaffs_trace(YAFFS_TRACE_BAD_BLOCKS, "marking block %d bad\n", blockNo);
+ T(YAFFS_TRACE_BAD_BLOCKS,(TSTR("marking block %d bad"TENDSTR), blockNo));
retval = mtd->block_markbad(mtd, (loff_t)blocksize * blockNo);
return (retval) ? YAFFS_FAIL : YAFFS_OK;
int oobavail = mtd->ecclayout->oobavail;
if (oobavail < YTAG1_SIZE) {
- yaffs_trace(YAFFS_TRACE_ERROR,
- "mtd device has only %d bytes for tags, need %d\n",
- oobavail, YTAG1_SIZE);
+ T(YAFFS_TRACE_ERROR,
+ (TSTR("mtd device has only %d bytes for tags, need %d"TENDSTR),
+ oobavail, YTAG1_SIZE));
return YAFFS_FAIL;
}
return YAFFS_OK;
int nandmtd1_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
yaffs_BlockState *pState, __u32 *pSequenceNumber)
{
- struct mtd_info *mtd = dev->genericDevice;
- int chunkNo = blockNo * dev->nChunksPerBlock;
+ struct mtd_info *mtd = yaffs_DeviceToContext(dev)->mtd;
+ int chunkNo = blockNo * dev->param.nChunksPerBlock;
loff_t addr = (loff_t)chunkNo * dev->nDataBytesPerChunk;
yaffs_ExtendedTags etags;
int state = YAFFS_BLOCK_STATE_DEAD;
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\n", blockNo);
+ T(YAFFS_TRACE_BAD_BLOCKS,
+ (TSTR("block %d is marked bad"TENDSTR), blockNo));
state = YAFFS_BLOCK_STATE_DEAD;
} else if (etags.eccResult != YAFFS_ECC_RESULT_NO_ERROR) {
/* bad tags, need to look more closely */