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author | Gabor Juhos <juhosg@openwrt.org> | 2012-10-30 14:58:13 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2012-10-30 14:58:13 +0000 |
commit | 56190ed0fcdb453b218be4fcefa938850a81c83e (patch) | |
tree | e9ea299478862360b7ec361c7d80f9fb9f4deddf /target/linux/generic/files/fs/yaffs2/yaffs_mtdif1.c | |
parent | 73c75e0dd862a8898bcf377aa265574c6a7f3c81 (diff) | |
download | mtk-20170518-56190ed0fcdb453b218be4fcefa938850a81c83e.zip mtk-20170518-56190ed0fcdb453b218be4fcefa938850a81c83e.tar.gz mtk-20170518-56190ed0fcdb453b218be4fcefa938850a81c83e.tar.bz2 |
generic: fold yaffs_cvs_2009_04_24 patch to generic/files
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 34012
Diffstat (limited to 'target/linux/generic/files/fs/yaffs2/yaffs_mtdif1.c')
-rw-r--r-- | target/linux/generic/files/fs/yaffs2/yaffs_mtdif1.c | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/target/linux/generic/files/fs/yaffs2/yaffs_mtdif1.c b/target/linux/generic/files/fs/yaffs2/yaffs_mtdif1.c index 36d5ade..c069dfa 100644 --- a/target/linux/generic/files/fs/yaffs2/yaffs_mtdif1.c +++ b/target/linux/generic/files/fs/yaffs2/yaffs_mtdif1.c @@ -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*/ |