X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_mtdif2.c;h=d3a6552aea3b95b14e22a93caec6977dcc89f572;hp=9ddf799b9044b100d4ddd48f1e6dbd4fa68573e2;hb=781662fbb93ffe509823a17779d9fbd41d343f18;hpb=37fd9ec3587b5c4d497a7682522a9adfab682e51

diff --git a/yaffs_mtdif2.c b/yaffs_mtdif2.c
index 9ddf799..d3a6552 100644
--- a/yaffs_mtdif2.c
+++ b/yaffs_mtdif2.c
@@ -13,14 +13,14 @@
  *
  */
 
-// mtd interface for YAFFS2
+/* mtd interface for YAFFS2 */
 
-const char *yaffs_mtdif2_c_version = "$Id: yaffs_mtdif2.c,v 1.1 2004-12-17 04:39:04 charles Exp $";
+const char *yaffs_mtdif2_c_version =
+    "$Id: yaffs_mtdif2.c,v 1.11 2006-04-25 00:41:43 wookey Exp $";
 
-#ifdef CONFIG_YAFFS_MTD_ENABLED
- 
 #include "yportenv.h"
 
+
 #include "yaffs_mtdif2.h"
 
 #include "linux/mtd/mtd.h"
@@ -29,156 +29,163 @@ const char *yaffs_mtdif2_c_version = "$Id: yaffs_mtdif2.c,v 1.1 2004-12-17 04:39
 
 #include "yaffs_packedtags2.h"
 
-
-
-
-int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_ExtendedTags *tags)
+int nandmtd2_WriteChunkWithTagsToNAND(yaffs_Device * dev, int chunkInNAND,
+				      const __u8 * data,
+				      const yaffs_ExtendedTags * tags)
 {
 	struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
 	size_t dummy;
 	int retval = 0;
 
-
-	loff_t addr = ((loff_t)chunkInNAND) * dev->nBytesPerChunk;
+	loff_t addr = ((loff_t) chunkInNAND) * dev->nBytesPerChunk;
 
 	yaffs_PackedTags2 pt;
-	
-	T(YAFFS_TRACE_MTD,(TSTR("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %08x tags %08x" TENDSTR),chunkInNAND,data,tags));	
 
-	if(tags)
-	{
-		yaffs_PackTags2(&pt,tags);
+	T(YAFFS_TRACE_MTD,
+	  (TSTR
+	   ("nandmtd2_WriteChunkWithTagsToNAND chunk %d data %p tags %p"
+	    TENDSTR), chunkInNAND, data, tags));
+
+	if (tags) {
+		yaffs_PackTags2(&pt, tags);
 	}
 
-#ifndef	CONFIG_YAFFS_USE_OLD_MTD
-	if(data && tags)
-	{
-		if(dev->useNANDECC)
-		  retval = mtd->write_ecc(mtd,addr,dev->nBytesPerChunk,&dummy,data,(__u8 *)&pt,NULL);
+	if (data && tags) {
+		if (dev->useNANDECC)
+			retval =
+			    mtd->write_ecc(mtd, addr, dev->nBytesPerChunk,
+					   &dummy, data, (__u8 *) & pt, NULL);
 		else
-		  retval = mtd->write_ecc(mtd,addr,dev->nBytesPerChunk,&dummy,data,(__u8 *)&pt,NULL);
-	}
-	else
-	{
-#endif
-	if(data)
-		retval = mtd->write(mtd,addr,dev->nBytesPerChunk,&dummy,data);
-	if(tags)
-		retval = mtd->write_oob(mtd,addr,mtd->oobsize,&dummy,(__u8 *)&pt);
-		
-#ifndef	CONFIG_YAFFS_USE_OLD_MTD
+			retval =
+			    mtd->write_ecc(mtd, addr, dev->nBytesPerChunk,
+					   &dummy, data, (__u8 *) & pt, NULL);
+	} else {
+		if (data)
+			retval =
+			    mtd->write(mtd, addr, dev->nBytesPerChunk, &dummy,
+				       data);
+		if (tags)
+			retval =
+			    mtd->write_oob(mtd, addr, mtd->oobsize, &dummy,
+					   (__u8 *) & pt);
+
 	}
-#endif
 
-    if (retval == 0)
-    	return YAFFS_OK;
-    else
-        return YAFFS_FAIL;
+	if (retval == 0)
+		return YAFFS_OK;
+	else
+		return YAFFS_FAIL;
 }
 
-int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags)
+int nandmtd2_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
+				       __u8 * data, yaffs_ExtendedTags * tags)
 {
 	struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
 	size_t dummy;
-        int retval = 0;
-	
+	int retval = 0;
 
-	loff_t addr = ((loff_t)chunkInNAND) * dev->nBytesPerChunk;
-	
-	yaffs_PackedTags2 pt;
+	loff_t addr = ((loff_t) chunkInNAND) * dev->nBytesPerChunk;
 
-	T(YAFFS_TRACE_MTD,(TSTR("nandmtd2_ReadChunkWithTagsToNAND chunk %d data %08x tags %08x" TENDSTR),chunkInNAND,data,tags));	
+	yaffs_PackedTags2 pt;
 
-#ifndef	CONFIG_YAFFS_USE_OLD_MTD
-	if(data && tags)
-	{
-		if(dev->useNANDECC)
-		{
-    			retval = mtd->read_ecc(mtd,addr,dev->nBytesPerChunk,&dummy,data,dev->spareBuffer,NULL);            
-		}
-		else
-		{
-			retval = mtd->read_ecc(mtd,addr,dev->nBytesPerChunk,&dummy,data,dev->spareBuffer,NULL);
+	T(YAFFS_TRACE_MTD,
+	  (TSTR
+	   ("nandmtd2_ReadChunkWithTagsFromNAND chunk %d data %p tags %p"
+	    TENDSTR), chunkInNAND, data, tags));
+
+	if (data && tags) {
+		if (dev->useNANDECC) {
+			retval =
+			    mtd->read_ecc(mtd, addr, dev->nBytesPerChunk,
+					  &dummy, data, dev->spareBuffer,
+					  NULL);
+		} else {
+			retval =
+			    mtd->read_ecc(mtd, addr, dev->nBytesPerChunk,
+					  &dummy, data, dev->spareBuffer,
+					  NULL);
 		}
+	} else {
+		if (data)
+			retval =
+			    mtd->read(mtd, addr, dev->nBytesPerChunk, &dummy,
+				      data);
+		if (tags)
+			retval =
+			    mtd->read_oob(mtd, addr, mtd->oobsize, &dummy,
+					  dev->spareBuffer);
 	}
+
+	memcpy(&pt, dev->spareBuffer, sizeof(pt));
+
+	if (tags)
+		yaffs_UnpackTags2(tags, &pt);
+
+	if (retval == 0)
+		return YAFFS_OK;
 	else
-	{
-#endif
-	if(data)
-		retval = mtd->read(mtd,addr,dev->nBytesPerChunk,&dummy,data);
-	if(tags)
-		retval = mtd->read_oob(mtd,addr,mtd->oobsize,&dummy,dev->spareBuffer);
-#ifndef	CONFIG_YAFFS_USE_OLD_MTD
-	}
-#endif
-
-    memcpy(&pt,dev->spareBuffer,sizeof(pt));
-    
-    if(tags)
-	yaffs_UnpackTags2(tags,&pt);
-    
-    if (retval == 0)
-    	return YAFFS_OK;
-    else
-        return YAFFS_FAIL;
+		return YAFFS_FAIL;
 }
 
 int nandmtd2_MarkNANDBlockBad(struct yaffs_DeviceStruct *dev, int blockNo)
 {
 	struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
 	int retval;
-	T(YAFFS_TRACE_MTD,(TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR),blockNo));	
-	
-	
-	retval = mtd->block_markbad(mtd,blockNo);
+	T(YAFFS_TRACE_MTD,
+	  (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), blockNo));
+
+	retval =
+	    mtd->block_markbad(mtd,
+			       blockNo * dev->nChunksPerBlock *
+			       dev->nBytesPerChunk);
 
-    if (retval == 0)
-    	return YAFFS_OK;
-    else
-        return YAFFS_FAIL;
+	if (retval == 0)
+		return YAFFS_OK;
+	else
+		return YAFFS_FAIL;
 
 }
 
-int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo, yaffs_BlockState *state, int *sequenceNumber)
+int nandmtd2_QueryNANDBlock(struct yaffs_DeviceStruct *dev, int blockNo,
+			    yaffs_BlockState * state, int *sequenceNumber)
 {
 	struct mtd_info *mtd = (struct mtd_info *)(dev->genericDevice);
 	int retval;
-	
-	T(YAFFS_TRACE_MTD,(TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR),blockNo));	
-	retval = mtd->block_isbad(mtd,blockNo);
-	
-	if(retval)
-	{
-		T(YAFFS_TRACE_MTD,(TSTR("block is bad" TENDSTR)));
-	
+
+	T(YAFFS_TRACE_MTD,
+	  (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), blockNo));
+	retval =
+	    mtd->block_isbad(mtd,
+			     blockNo * dev->nChunksPerBlock *
+			     dev->nBytesPerChunk);
+
+	if (retval) {
+		T(YAFFS_TRACE_MTD, (TSTR("block is bad" TENDSTR)));
+
 		*state = YAFFS_BLOCK_STATE_DEAD;
 		*sequenceNumber = 0;
-	}
-	else
-	{
+	} else {
 		yaffs_ExtendedTags t;
-		nandmtd2_ReadChunkWithTagsFromNAND(dev,blockNo * dev->nChunksPerBlock,NULL, &t);
-		
-		if(t.chunkUsed)
-		{
-		  *sequenceNumber = t.sequenceNumber;
-		  *state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
-		}
-		else
-		{
-		  *sequenceNumber = 0;
- 		  *state = YAFFS_BLOCK_STATE_EMPTY;
+		nandmtd2_ReadChunkWithTagsFromNAND(dev,
+						   blockNo *
+						   dev->nChunksPerBlock, NULL,
+						   &t);
+
+		if (t.chunkUsed) {
+			*sequenceNumber = t.sequenceNumber;
+			*state = YAFFS_BLOCK_STATE_NEEDS_SCANNING;
+		} else {
+			*sequenceNumber = 0;
+			*state = YAFFS_BLOCK_STATE_EMPTY;
 		}
 	}
-		T(YAFFS_TRACE_MTD,(TSTR("block is bad seq %d state %d" TENDSTR), *sequenceNumber,*state));
+	T(YAFFS_TRACE_MTD,
+	  (TSTR("block is bad seq %d state %d" TENDSTR), *sequenceNumber,
+	   *state));
 
-    if (retval == 0)
-    	return YAFFS_OK;
-    else
-        return YAFFS_FAIL;
+	if (retval == 0)
+		return YAFFS_OK;
+	else
+		return YAFFS_FAIL;
 }
 
-#endif
-
-
-