diff options
Diffstat (limited to 'target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.c')
-rw-r--r-- | target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.c b/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.c deleted file mode 100644 index 4e25033..0000000 --- a/target/linux/generic-2.6/files/fs/yaffs2/yaffs_nand.c +++ /dev/null @@ -1,134 +0,0 @@ -/* - * YAFFS: Yet Another Flash File System. A NAND-flash specific file system. - * - * 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_nand_c_version = - "$Id: yaffs_nand.c,v 1.7 2007-02-14 01:09:06 wookey Exp $"; - -#include "yaffs_nand.h" -#include "yaffs_tagscompat.h" -#include "yaffs_tagsvalidity.h" - - -int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND, - __u8 * buffer, - yaffs_ExtendedTags * tags) -{ - int result; - yaffs_ExtendedTags localTags; - - int realignedChunkInNAND = chunkInNAND - dev->chunkOffset; - - /* If there are no tags provided, use local tags to get prioritised gc working */ - if(!tags) - tags = &localTags; - - if (dev->readChunkWithTagsFromNAND) - result = dev->readChunkWithTagsFromNAND(dev, realignedChunkInNAND, buffer, - tags); - else - result = yaffs_TagsCompatabilityReadChunkWithTagsFromNAND(dev, - realignedChunkInNAND, - buffer, - tags); - if(tags && - tags->eccResult > YAFFS_ECC_RESULT_NO_ERROR){ - - yaffs_BlockInfo *bi = yaffs_GetBlockInfo(dev, chunkInNAND/dev->nChunksPerBlock); - yaffs_HandleChunkError(dev,bi); - } - - return result; -} - -int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev, - int chunkInNAND, - const __u8 * buffer, - yaffs_ExtendedTags * tags) -{ - chunkInNAND -= dev->chunkOffset; - - - if (tags) { - tags->sequenceNumber = dev->sequenceNumber; - tags->chunkUsed = 1; - if (!yaffs_ValidateTags(tags)) { - T(YAFFS_TRACE_ERROR, - (TSTR("Writing uninitialised tags" TENDSTR))); - YBUG(); - } - T(YAFFS_TRACE_WRITE, - (TSTR("Writing chunk %d tags %d %d" TENDSTR), chunkInNAND, - tags->objectId, tags->chunkId)); - } else { - T(YAFFS_TRACE_ERROR, (TSTR("Writing with no tags" TENDSTR))); - YBUG(); - } - - if (dev->writeChunkWithTagsToNAND) - return dev->writeChunkWithTagsToNAND(dev, chunkInNAND, buffer, - tags); - else - return yaffs_TagsCompatabilityWriteChunkWithTagsToNAND(dev, - chunkInNAND, - buffer, - tags); -} - -int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo) -{ - blockNo -= dev->blockOffset; - -; - if (dev->markNANDBlockBad) - return dev->markNANDBlockBad(dev, blockNo); - else - return yaffs_TagsCompatabilityMarkNANDBlockBad(dev, blockNo); -} - -int yaffs_QueryInitialBlockState(yaffs_Device * dev, - int blockNo, - yaffs_BlockState * state, - unsigned *sequenceNumber) -{ - blockNo -= dev->blockOffset; - - if (dev->queryNANDBlock) - return dev->queryNANDBlock(dev, blockNo, state, sequenceNumber); - else - return yaffs_TagsCompatabilityQueryNANDBlock(dev, blockNo, - state, - sequenceNumber); -} - - -int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev, - int blockInNAND) -{ - int result; - - blockInNAND -= dev->blockOffset; - - - dev->nBlockErasures++; - result = dev->eraseBlockInNAND(dev, blockInNAND); - - return result; -} - -int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev) -{ - return dev->initialiseNAND(dev); -} - - - |