Merge branch 'master' of git://git.infradead.org/~gleixner/mtd-nand-2.6.git

32 files changed, 666 insertions, 1515 deletions

diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index 423a34f4638c..d9ba1ee658f6 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -59,9 +59,6 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
 			size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
 static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
 			 size_t *retlen, const u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
-static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
-			  unsigned long count, loff_t to, size_t *retlen,
-			  u_char *eccbuf, struct nand_oobinfo *oobsel);
 static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
 			size_t *retlen, u_char *buf);
 static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
@@ -587,9 +584,6 @@ void DoC2k_init(struct mtd_info *mtd)
 	mtd->unpoint = NULL;
 	mtd->read = doc_read;
 	mtd->write = doc_write;
-	mtd->read_ecc = doc_read_ecc;
-	mtd->write_ecc = doc_write_ecc;
-	mtd->writev_ecc = doc_writev_ecc;
 	mtd->read_oob = doc_read_oob;
 	mtd->write_oob = doc_write_oob;
 	mtd->sync = NULL;
@@ -965,66 +959,6 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
 	return 0;
 }
 
-static int doc_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
-			  unsigned long count, loff_t to, size_t *retlen,
-			  u_char *eccbuf, struct nand_oobinfo *oobsel)
-{
-	static char static_buf[512];
-	static DEFINE_MUTEX(writev_buf_mutex);
-
-	size_t totretlen = 0;
-	size_t thisvecofs = 0;
-	int ret= 0;
-
-	mutex_lock(&writev_buf_mutex);
-
-	while(count) {
-		size_t thislen, thisretlen;
-		unsigned char *buf;
-
-		buf = vecs->iov_base + thisvecofs;
-		thislen = vecs->iov_len - thisvecofs;
-
-
-		if (thislen >= 512) {
-			thislen = thislen & ~(512-1);
-			thisvecofs += thislen;
-		} else {
-			/* Not enough to fill a page. Copy into buf */
-			memcpy(static_buf, buf, thislen);
-			buf = &static_buf[thislen];
-
-			while(count && thislen < 512) {
-				vecs++;
-				count--;
-				thisvecofs = min((512-thislen), vecs->iov_len);
-				memcpy(buf, vecs->iov_base, thisvecofs);
-				thislen += thisvecofs;
-				buf += thisvecofs;
-			}
-			buf = static_buf;
-		}
-		if (count && thisvecofs == vecs->iov_len) {
-			thisvecofs = 0;
-			vecs++;
-			count--;
-		}
-		ret = doc_write_ecc(mtd, to, thislen, &thisretlen, buf, eccbuf, oobsel);
-
-		totretlen += thisretlen;
-
-		if (ret || thisretlen != thislen)
-			break;
-
-		to += thislen;
-	}
-
-	mutex_unlock(&writev_buf_mutex);
-	*retlen = totretlen;
-	return ret;
-}
-
-
 static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
 			size_t * retlen, u_char * buf)
 {
diff --git a/drivers/mtd/devices/doc2001.c b/drivers/mtd/devices/doc2001.c
index e6eaef28a2b0..579c0b570ae5 100644
--- a/drivers/mtd/devices/doc2001.c
+++ b/drivers/mtd/devices/doc2001.c
@@ -369,8 +369,6 @@ void DoCMil_init(struct mtd_info *mtd)
 	mtd->unpoint = NULL;
 	mtd->read = doc_read;
 	mtd->write = doc_write;
-	mtd->read_ecc = doc_read_ecc;
-	mtd->write_ecc = doc_write_ecc;
 	mtd->read_oob = doc_read_oob;
 	mtd->write_oob = doc_write_oob;
 	mtd->sync = NULL;
diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c
index 8422c5e92d27..1ee0c0dcb53b 100644
--- a/drivers/mtd/devices/doc2001plus.c
+++ b/drivers/mtd/devices/doc2001plus.c
@@ -491,8 +491,6 @@ void DoCMilPlus_init(struct mtd_info *mtd)
 	mtd->unpoint = NULL;
 	mtd->read = doc_read;
 	mtd->write = doc_write;
-	mtd->read_ecc = doc_read_ecc;
-	mtd->write_ecc = doc_write_ecc;
 	mtd->read_oob = doc_read_oob;
 	mtd->write_oob = doc_write_oob;
 	mtd->sync = NULL;
diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c
index a3b92479719d..ddd12993780d 100644
--- a/drivers/mtd/inftlcore.c
+++ b/drivers/mtd/inftlcore.c
@@ -36,6 +36,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nftl.h>
 #include <linux/mtd/inftl.h>
+#include <linux/mtd/nand.h>
 #include <asm/uaccess.h>
 #include <asm/errno.h>
 #include <asm/io.h>
@@ -79,14 +80,12 @@ static void inftl_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
 	inftl->mbd.devnum = -1;
 	inftl->mbd.blksize = 512;
 	inftl->mbd.tr = tr;
-	memcpy(&inftl->oobinfo, &mtd->oobinfo, sizeof(struct nand_oobinfo));
-	inftl->oobinfo.useecc = MTD_NANDECC_PLACEONLY;
 
-        if (INFTL_mount(inftl) < 0) {
+	if (INFTL_mount(inftl) < 0) {
 		printk(KERN_WARNING "INFTL: could not mount device\n");
 		kfree(inftl);
 		return;
-        }
+	}
 
 	/* OK, it's a new one. Set up all the data structures. */
 
@@ -221,7 +220,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
 	 * Scan to find the Erase Unit which holds the actual data for each
 	 * 512-byte block within the Chain.
 	 */
-        silly = MAX_LOOPS;
+	silly = MAX_LOOPS;
 	while (thisEUN < inftl->nb_blocks) {
 		for (block = 0; block < inftl->EraseSize/SECTORSIZE; block ++) {
 			if ((BlockMap[block] != 0xffff) || BlockDeleted[block])
@@ -232,7 +231,7 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
 			     (char *)&oob) < 0)
 				status = SECTOR_IGNORE;
 			else
-                        	status = oob.b.Status | oob.b.Status1;
+				status = oob.b.Status | oob.b.Status1;
 
 			switch(status) {
 			case SECTOR_FREE:
@@ -282,29 +281,30 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
 			continue;
 		}
 
-                /*
+		/*
 		 * Copy only in non free block (free blocks can only
                  * happen in case of media errors or deleted blocks).
 		 */
-                if (BlockMap[block] == BLOCK_NIL)
-                        continue;
+		if (BlockMap[block] == BLOCK_NIL)
+			continue;
 
-                ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize *
+		ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize *
 			BlockMap[block]) + (block * SECTORSIZE), SECTORSIZE,
 			&retlen, movebuf);
-                if (ret < 0) {
+		if (ret < 0) {
 			ret = MTD_READ(inftl->mbd.mtd, (inftl->EraseSize *
 				BlockMap[block]) + (block * SECTORSIZE),
 				SECTORSIZE, &retlen, movebuf);
 			if (ret != -EIO)
-                        	DEBUG(MTD_DEBUG_LEVEL1, "INFTL: error went "
-					"away on retry?\n");
-                }
-                memset(&oob, 0xff, sizeof(struct inftl_oob));
-                oob.b.Status = oob.b.Status1 = SECTOR_USED;
-                MTD_WRITEECC(inftl->mbd.mtd, (inftl->EraseSize * targetEUN) +
-			(block * SECTORSIZE), SECTORSIZE, &retlen,
-			movebuf, (char *)&oob, &inftl->oobinfo);
+				DEBUG(MTD_DEBUG_LEVEL1, "INFTL: error went "
+				      "away on retry?\n");
+		}
+		memset(&oob, 0xff, sizeof(struct inftl_oob));
+		oob.b.Status = oob.b.Status1 = SECTOR_USED;
+
+		nand_write_raw(inftl->mbd.mtd, (inftl->EraseSize * targetEUN) +
+			       (block * SECTORSIZE), SECTORSIZE, &retlen,
+			       movebuf, (char *)&oob);
 	}
 
 	/*
@@ -329,17 +329,17 @@ static u16 INFTL_foldchain(struct INFTLrecord *inftl, unsigned thisVUC, unsigned
 		if (thisEUN == targetEUN)
 			break;
 
-                if (INFTL_formatblock(inftl, thisEUN) < 0) {
+		if (INFTL_formatblock(inftl, thisEUN) < 0) {
 			/*
 			 * Could not erase : mark block as reserved.
 			 */
 			inftl->PUtable[thisEUN] = BLOCK_RESERVED;
-                } else {
+		} else {
 			/* Correctly erased : mark it as free */
 			inftl->PUtable[thisEUN] = BLOCK_FREE;
 			inftl->PUtable[prevEUN] = BLOCK_NIL;
 			inftl->numfreeEUNs++;
-                }
+		}
 	}
 
 	return targetEUN;
@@ -437,7 +437,7 @@ static inline u16 INFTL_findwriteunit(struct INFTLrecord *inftl, unsigned block)
 			MTD_READOOB(inftl->mbd.mtd, (thisEUN * inftl->EraseSize) +
 				blockofs, 8, &retlen, (char *)&bci);
 
-                        status = bci.Status | bci.Status1;
+			status = bci.Status | bci.Status1;
 			DEBUG(MTD_DEBUG_LEVEL3, "INFTL: status of block %d in "
 				"EUN %d is %x\n", block , writeEUN, status);
 
@@ -670,12 +670,12 @@ static void INFTL_trydeletechain(struct INFTLrecord *inftl, unsigned thisVUC)
 		DEBUG(MTD_DEBUG_LEVEL3, "Deleting EUN %d from VUC %d\n",
 		      thisEUN, thisVUC);
 
-                if (INFTL_formatblock(inftl, thisEUN) < 0) {
+		if (INFTL_formatblock(inftl, thisEUN) < 0) {
 			/*
 			 * Could not erase : mark block as reserved.
 			 */
 			inftl->PUtable[thisEUN] = BLOCK_RESERVED;
-                } else {
+		} else {
 			/* Correctly erased : mark it as free */
 			inftl->PUtable[thisEUN] = BLOCK_FREE;
 			inftl->numfreeEUNs++;
@@ -784,9 +784,10 @@ static int inftl_writeblock(struct mtd_blktrans_dev *mbd, unsigned long block,
 
 		memset(&oob, 0xff, sizeof(struct inftl_oob));
 		oob.b.Status = oob.b.Status1 = SECTOR_USED;
-		MTD_WRITEECC(inftl->mbd.mtd, (writeEUN * inftl->EraseSize) +
-			blockofs, SECTORSIZE, &retlen, (char *)buffer,
-			(char *)&oob, &inftl->oobinfo);
+
+		nand_write_raw(inftl->mbd.mtd, (writeEUN * inftl->EraseSize) +
+			       blockofs, SECTORSIZE, &retlen, (char *)buffer,
+			       (char *)&oob);
 		/*
 		 * need to write SECTOR_USED flags since they are not written
 		 * in mtd_writeecc
@@ -804,9 +805,9 @@ static int inftl_readblock(struct mtd_blktrans_dev *mbd, unsigned long block,
 	struct INFTLrecord *inftl = (void *)mbd;
 	unsigned int thisEUN = inftl->VUtable[block / (inftl->EraseSize / SECTORSIZE)];
 	unsigned long blockofs = (block * SECTORSIZE) & (inftl->EraseSize - 1);
-        unsigned int status;
+	unsigned int status;
 	int silly = MAX_LOOPS;
-        struct inftl_bci bci;
+	struct inftl_bci bci;
 	size_t retlen;
 
 	DEBUG(MTD_DEBUG_LEVEL3, "INFTL: inftl_readblock(inftl=%p,block=%ld,"
@@ -850,7 +851,7 @@ foundit:
 		/* The requested block is not on the media, return all 0x00 */
 		memset(buffer, 0, SECTORSIZE);
 	} else {
-        	size_t retlen;
+		size_t retlen;
 		loff_t ptr = (thisEUN * inftl->EraseSize) + blockofs;
 		if (MTD_READ(inftl->mbd.mtd, ptr, SECTORSIZE, &retlen,
 		    buffer))
diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c
index 43fdc9433882..f89a03795e76 100644
--- a/drivers/mtd/inftlmount.c
+++ b/drivers/mtd/inftlmount.c
@@ -350,21 +350,21 @@ static int check_free_sectors(struct INFTLrecord *inftl, unsigned int address,
 	int len, int check_oob)
 {
 	u8 buf[SECTORSIZE + inftl->mbd.mtd->oobsize];
+	struct mtd_info *mtd = inftl->mbd.mtd;
 	size_t retlen;
 	int i;
 
-	DEBUG(MTD_DEBUG_LEVEL3, "INFTL: check_free_sectors(inftl=%p,"
-		"address=0x%x,len=%d,check_oob=%d)\n", inftl,
-		address, len, check_oob);
-
 	for (i = 0; i < len; i += SECTORSIZE) {
-		if (MTD_READECC(inftl->mbd.mtd, address, SECTORSIZE, &retlen, buf, &buf[SECTORSIZE], &inftl->oobinfo) < 0)
+		if (mtd->read(mtd, address, SECTORSIZE, &retlen, buf))
 			return -1;
 		if (memcmpb(buf, 0xff, SECTORSIZE) != 0)
 			return -1;
 
 		if (check_oob) {
-			if (memcmpb(buf + SECTORSIZE, 0xff, inftl->mbd.mtd->oobsize) != 0)
+			if(mtd->read_oob(mtd, address, mtd->oobsize,
+					 &retlen, &buf[SECTORSIZE]) < 0)
+				return -1;
+			if (memcmpb(buf + SECTORSIZE, 0xff, mtd->oobsize) != 0)
 				return -1;
 		}
 		address += SECTORSIZE;
diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
index a5e8373349a5..6d52137988fa 100644
--- a/drivers/mtd/mtdconcat.c
+++ b/drivers/mtd/mtdconcat.c
@@ -143,119 +143,8 @@ concat_write(struct mtd_info *mtd, loff_t to, size_t len,
 }
 
 static int
-concat_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
-		size_t * retlen, u_char * buf, u_char * eccbuf,
-		struct nand_oobinfo *oobsel)
-{
-	struct mtd_concat *concat = CONCAT(mtd);
-	int err = -EINVAL;
-	int i;
-
-	*retlen = 0;
-
-	for (i = 0; i < concat->num_subdev; i++) {
-		struct mtd_info *subdev = concat->subdev[i];
-		size_t size, retsize;
-
-		if (from >= subdev->size) {
-			/* Not destined for this subdev */
-			size = 0;
-			from -= subdev->size;
-			continue;
-		}
-
-		if (from + len > subdev->size)
-			/* First part goes into this subdev */
-			size = subdev->size - from;
-		else
-			/* Entire transaction goes into this subdev */
-			size = len;
-
-		if (subdev->read_ecc)
-			err = subdev->read_ecc(subdev, from, size,
-					       &retsize, buf, eccbuf, oobsel);
-		else
-			err = -EINVAL;
-
-		if (err)
-			break;
-
-		*retlen += retsize;
-		len -= size;
-		if (len == 0)
-			break;
-
-		err = -EINVAL;
-		buf += size;
-		if (eccbuf) {
-			eccbuf += subdev->oobsize;
-			/* in nand.c at least, eccbufs are
-			   tagged with 2 (int)eccstatus'; we
-			   must account for these */
-			eccbuf += 2 * (sizeof (int));
-		}
-		from = 0;
-	}
-	return err;
-}
-
-static int
-concat_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
-		 size_t * retlen, const u_char * buf, u_char * eccbuf,
-		 struct nand_oobinfo *oobsel)
-{
-	struct mtd_concat *concat = CONCAT(mtd);
-	int err = -EINVAL;
-	int i;
-
-	if (!(mtd->flags & MTD_WRITEABLE))
-		return -EROFS;
-
-	*retlen = 0;
-
-	for (i = 0; i < concat->num_subdev; i++) {
-		struct mtd_info *subdev = concat->subdev[i];
-		size_t size, retsize;
-
-		if (to >= subdev->size) {
-			size = 0;
-			to -= subdev->size;
-			continue;
-		}
-		if (to + len > subdev->size)
-			size = subdev->size - to;
-		else
-			size = len;
-
-		if (!(subdev->flags & MTD_WRITEABLE))
-			err = -EROFS;
-		else if (subdev->write_ecc)
-			err = subdev->write_ecc(subdev, to, size,
-						&retsize, buf, eccbuf, oobsel);
-		else
-			err = -EINVAL;
-
-		if (err)
-			break;
-
-		*retlen += retsize;
-		len -= size;
-		if (len == 0)
-			break;
-
-		err = -EINVAL;
-		buf += size;
-		if (eccbuf)
-			eccbuf += subdev->oobsize;
-		to = 0;
-	}
-	return err;
-}
-
-static int
-concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
-		unsigned long count, loff_t to, size_t * retlen,
-		u_char *eccbuf, struct nand_oobinfo *oobsel)
+concat_writev(struct mtd_info *mtd, const struct kvec *vecs,
+		unsigned long count, loff_t to, size_t * retlen)
 {
 	struct mtd_concat *concat = CONCAT(mtd);
 	struct kvec *vecs_copy;
@@ -315,10 +204,6 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
 
 		if (!(subdev->flags & MTD_WRITEABLE))
 			err = -EROFS;
-		else if (eccbuf)
-			err = subdev->writev_ecc(subdev, &vecs_copy[entry_low],
-				entry_high - entry_low + 1, to, &retsize,
-				eccbuf, oobsel);
 		else
 			err = subdev->writev(subdev, &vecs_copy[entry_low],
 				entry_high - entry_low + 1, to, &retsize);
@@ -333,8 +218,6 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
 
 		*retlen += retsize;
 		total_len -= wsize;
-		if (concat->mtd.type == MTD_NANDFLASH && eccbuf)
-			eccbuf += mtd->oobavail * (wsize / mtd->writesize);
 
 		if (total_len == 0)
 			break;
@@ -348,13 +231,6 @@ concat_writev_ecc(struct mtd_info *mtd, const struct kvec *vecs,
 }
 
 static int
-concat_writev(struct mtd_info *mtd, const struct kvec *vecs,
-		unsigned long count, loff_t to, size_t * retlen)
-{
-	return concat_writev_ecc(mtd, vecs, count, to, retlen, NULL, NULL);
-}
-
-static int
 concat_read_oob(struct mtd_info *mtd, loff_t from, size_t len,
 		size_t * retlen, u_char * buf)
 {
@@ -837,14 +713,8 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[],	/* subdevices to c
 	concat->mtd.oobsize = subdev[0]->oobsize;
 	concat->mtd.ecctype = subdev[0]->ecctype;
 	concat->mtd.eccsize = subdev[0]->eccsize;
-	if (subdev[0]->read_ecc)
-		concat->mtd.read_ecc = concat_read_ecc;
-	if (subdev[0]->write_ecc)
-		concat->mtd.write_ecc = concat_write_ecc;
 	if (subdev[0]->writev)
 		concat->mtd.writev = concat_writev;
-	if (subdev[0]->writev_ecc)
-		concat->mtd.writev_ecc = concat_writev_ecc;
 	if (subdev[0]->read_oob)
 		concat->mtd.read_oob = concat_read_oob;
 	if (subdev[0]->write_oob)
@@ -885,8 +755,6 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[],	/* subdevices to c
 		    concat->mtd.oobsize    !=  subdev[i]->oobsize ||
 		    concat->mtd.ecctype    !=  subdev[i]->ecctype ||
 		    concat->mtd.eccsize    !=  subdev[i]->eccsize ||
-		    !concat->mtd.read_ecc  != !subdev[i]->read_ecc ||
-		    !concat->mtd.write_ecc != !subdev[i]->write_ecc ||
 		    !concat->mtd.read_oob  != !subdev[i]->read_oob ||
 		    !concat->mtd.write_oob != !subdev[i]->write_oob) {
 			kfree(concat);
diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
index 082662f90481..a93550ce7978 100644
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -55,12 +55,8 @@ static int part_read (struct mtd_info *mtd, loff_t from, size_t len,
 		len = 0;
 	else if (from + len > mtd->size)
 		len = mtd->size - from;
-	if (part->master->read_ecc == NULL)
-		return part->master->read (part->master, from + part->offset,
-					len, retlen, buf);
-	else
-		return part->master->read_ecc (part->master, from + part->offset,
-					len, retlen, buf, NULL, &mtd->oobinfo);
+	return part->master->read (part->master, from + part->offset,
+				   len, retlen, buf);
 }
 
 static int part_point (struct mtd_info *mtd, loff_t from, size_t len,
@@ -74,6 +70,7 @@ static int part_point (struct mtd_info *mtd, loff_t from, size_t len,
 	return part->master->point (part->master, from + part->offset,
 				    len, retlen, buf);
 }
+
 static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_t len)
 {
 	struct mtd_part *part = PART(mtd);
@@ -81,21 +78,6 @@ static void part_unpoint (struct mtd_info *mtd, u_char *addr, loff_t from, size_
 	part->master->unpoint (part->master, addr, from + part->offset, len);
 }
 
-
-static int part_read_ecc (struct mtd_info *mtd, loff_t from, size_t len,
-			size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel)
-{
-	struct mtd_part *part = PART(mtd);
-	if (oobsel == NULL)
-		oobsel = &mtd->oobinfo;
-	if (from >= mtd->size)
-		len = 0;
-	else if (from + len > mtd->size)
-		len = mtd->size - from;
-	return part->master->read_ecc (part->master, from + part->offset,
-					len, retlen, buf, eccbuf, oobsel);
-}
-
 static int part_read_oob (struct mtd_info *mtd, loff_t from, size_t len,
 			size_t *retlen, u_char *buf)
 {
@@ -148,30 +130,8 @@ static int part_write (struct mtd_info *mtd, loff_t to, size_t len,
 		len = 0;
 	else if (to + len > mtd->size)
 		len = mtd->size - to;
-	if (part->master->write_ecc == NULL)
-		return part->master->write (part->master, to + part->offset,
-					len, retlen, buf);
-	else
-		return part->master->write_ecc (part->master, to + part->offset,
-					len, retlen, buf, NULL, &mtd->oobinfo);
-
-}
-
-static int part_write_ecc (struct mtd_info *mtd, loff_t to, size_t len,
-			size_t *retlen, const u_char *buf,
-			 u_char *eccbuf, struct nand_oobinfo *oobsel)
-{
-	struct mtd_part *part = PART(mtd);
-	if (!(mtd->flags & MTD_WRITEABLE))
-		return -EROFS;
-	if (oobsel == NULL)
-		oobsel = &mtd->oobinfo;
-	if (to >= mtd->size)
-		len = 0;
-	else if (to + len > mtd->size)
-		len = mtd->size - to;
-	return part->master->write_ecc (part->master, to + part->offset,
-					len, retlen, buf, eccbuf, oobsel);
+	return part->master->write (part->master, to + part->offset,
+				    len, retlen, buf);
 }
 
 static int part_write_oob (struct mtd_info *mtd, loff_t to, size_t len,
@@ -208,52 +168,8 @@ static int part_writev (struct mtd_info *mtd,  const struct kvec *vecs,
 	struct mtd_part *part = PART(mtd);
 	if (!(mtd->flags & MTD_WRITEABLE))
 		return -EROFS;
-	if (part->master->writev_ecc == NULL)
-		return part->master->writev (part->master, vecs, count,
+	return part->master->writev (part->master, vecs, count,
 					to + part->offset, retlen);
-	else
-		return part->master->writev_ecc (part->master, vecs, count,
-					to + part->offset, retlen,
-					NULL, &mtd->oobinfo);
-}
-
-static int part_readv (struct mtd_info *mtd,  struct kvec *vecs,
-			 unsigned long count, loff_t from, size_t *retlen)
-{
-	struct mtd_part *part = PART(mtd);
-	if (part->master->readv_ecc == NULL)
-		return part->master->readv (part->master, vecs, count,
-					from + part->offset, retlen);
-	else
-		return part->master->readv_ecc (part->master, vecs, count,
-					from + part->offset, retlen,
-					NULL, &mtd->oobinfo);
-}
-
-static int part_writev_ecc (struct mtd_info *mtd,  const struct kvec *vecs,
-			 unsigned long count, loff_t to, size_t *retlen,
-			 u_char *eccbuf,  struct nand_oobinfo *oobsel)
-{
-	struct mtd_part *part = PART(mtd);
-	if (!(mtd->flags & MTD_WRITEABLE))
-		return -EROFS;
-	if (oobsel == NULL)
-		oobsel = &mtd->oobinfo;
-	return part->master->writev_ecc (part->master, vecs, count,
-					to + part->offset, retlen,
-					eccbuf, oobsel);
-}
-
-static int part_readv_ecc (struct mtd_info *mtd,  struct kvec *vecs,
-			 unsigned long count, loff_t from, size_t *retlen,
-			 u_char *eccbuf,  struct nand_oobinfo *oobsel)
-{
-	struct mtd_part *part = PART(mtd);
-	if (oobsel == NULL)
-		oobsel = &mtd->oobinfo;
-	return part->master->readv_ecc (part->master, vecs, count,
-					from + part->offset, retlen,
-					eccbuf, oobsel);
 }
 
 static int part_erase (struct mtd_info *mtd, struct erase_info *instr)
@@ -416,10 +332,6 @@ int add_mtd_partitions(struct mtd_info *master,
 			slave->mtd.unpoint = part_unpoint;
 		}
 
-		if (master->read_ecc)
-			slave->mtd.read_ecc = part_read_ecc;
-		if (master->write_ecc)
-			slave->mtd.write_ecc = part_write_ecc;
 		if (master->read_oob)
 			slave->mtd.read_oob = part_read_oob;
 		if (master->write_oob)
@@ -444,12 +356,6 @@ int add_mtd_partitions(struct mtd_info *master,
 		}
 		if (master->writev)
 			slave->mtd.writev = part_writev;
-		if (master->readv)
-			slave->mtd.readv = part_readv;
-		if (master->writev_ecc)
-			slave->mtd.writev_ecc = part_writev_ecc;
-		if (master->readv_ecc)
-			slave->mtd.readv_ecc = part_readv_ecc;
 		if (master->lock)
 			slave->mtd.lock = part_lock;
 		if (master->unlock)
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index c2cb87fc4cb8..f24408d92688 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -65,7 +65,7 @@ config MTD_NAND_AMS_DELTA
 
 config MTD_NAND_TOTO
 	tristate "NAND Flash device on TOTO board"
-	depends on ARCH_OMAP && MTD_NAND
+	depends on ARCH_OMAP && MTD_NAND && BROKEN
 	help
 	  Support for NAND flash on Texas Instruments Toto platform.
 
@@ -96,7 +96,7 @@ config MTD_NAND_RTC_FROM4
 
 config MTD_NAND_PPCHAMELEONEVB
 	tristate "NAND Flash device on PPChameleonEVB board"
-	depends on PPCHAMELEONEVB && MTD_NAND
+	depends on PPCHAMELEONEVB && MTD_NAND && BROKEN
 	help
 	  This enables the NAND flash driver on the PPChameleon EVB Board.
 
diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c
index aeaf2dece095..d7897dc6b3c8 100644
--- a/drivers/mtd/nand/ams-delta.c
+++ b/drivers/mtd/nand/ams-delta.c
@@ -34,13 +34,6 @@ static struct mtd_info *ams_delta_mtd = NULL;
 
 #define NAND_MASK (AMS_DELTA_LATCH2_NAND_NRE | AMS_DELTA_LATCH2_NAND_NWE | AMS_DELTA_LATCH2_NAND_CLE | AMS_DELTA_LATCH2_NAND_ALE | AMS_DELTA_LATCH2_NAND_NCE | AMS_DELTA_LATCH2_NAND_NWP)
 
-#define T_NAND_CTL_CLRALE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_ALE, 0)
-#define T_NAND_CTL_SETALE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_ALE, AMS_DELTA_LATCH2_NAND_ALE)
-#define T_NAND_CTL_CLRCLE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_CLE, 0)
-#define T_NAND_CTL_SETCLE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_CLE, AMS_DELTA_LATCH2_NAND_CLE)
-#define T_NAND_CTL_SETNCE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NCE, 0)
-#define T_NAND_CTL_CLRNCE(iob) ams_delta_latch2_write(AMS_DELTA_LATCH2_NAND_NCE, AMS_DELTA_LATCH2_NAND_NCE)
-
 /*
  * Define partitions for flash devices
  */
@@ -66,25 +59,6 @@ static struct mtd_partition partition_info[] = {
 	  .size		=  3 * SZ_256K },
 };
 
-/*
- *	hardware specific access to control-lines
-*/
-
-static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd)
-{
-	switch (cmd) {
-
-		case NAND_CTL_SETCLE: T_NAND_CTL_SETCLE(cmd); break;
-		case NAND_CTL_CLRCLE: T_NAND_CTL_CLRCLE(cmd); break;
-
-		case NAND_CTL_SETALE: T_NAND_CTL_SETALE(cmd); break;
-		case NAND_CTL_CLRALE: T_NAND_CTL_CLRALE(cmd); break;
-
-		case NAND_CTL_SETNCE: T_NAND_CTL_SETNCE(cmd); break;
-		case NAND_CTL_CLRNCE: T_NAND_CTL_CLRNCE(cmd); break;
-	}
-}
-
 static void ams_delta_write_byte(struct mtd_info *mtd, u_char byte)
 {
 	struct nand_chip *this = mtd->priv;
@@ -141,6 +115,32 @@ static int ams_delta_verify_buf(struct mtd_info *mtd, const u_char *buf,
 	return 0;
 }
 
+/*
+ * Command control function
+ *
+ * ctrl:
+ * NAND_NCE: bit 0 -> bit 2
+ * NAND_CLE: bit 1 -> bit 7
+ * NAND_ALE: bit 2 -> bit 6
+ */
+static void ams_delta_hwcontrol(struct mtd_info *mtd, int cmd,
+				unsigned int ctrl)
+{
+
+	if (ctrl & NAND_CTRL_CHANGE) {
+		unsigned long bits;
+
+		bits = (~ctrl & NAND_NCE) << 2;
+		bits |= (ctrl & NAND_CLE) << 7;
+		bits |= (ctrl & NAND_ALE) << 6;
+
+		ams_delta_latch2_write(0xC2, bits);
+	}
+
+	if (cmd != NAND_CMD_NONE)
+		ams_delta_write_byte(mtd, cmd);
+}
+
 static int ams_delta_nand_ready(struct mtd_info *mtd)
 {
 	return omap_get_gpio_datain(AMS_DELTA_GPIO_PIN_NAND_RB);
@@ -179,11 +179,10 @@ static int __init ams_delta_init(void)
 	this->IO_ADDR_R = (OMAP_MPUIO_BASE + OMAP_MPUIO_INPUT_LATCH);
 	this->IO_ADDR_W = (OMAP_MPUIO_BASE + OMAP_MPUIO_OUTPUT);
 	this->read_byte = ams_delta_read_byte;
-	this->write_byte = ams_delta_write_byte;
 	this->write_buf = ams_delta_write_buf;
 	this->read_buf = ams_delta_read_buf;
 	this->verify_buf = ams_delta_verify_buf;
-	this->hwcontrol = ams_delta_hwcontrol;
+	this->cmd_ctrl = ams_delta_hwcontrol;
 	if (!omap_request_gpio(AMS_DELTA_GPIO_PIN_NAND_RB)) {
 		this->dev_ready = ams_delta_nand_ready;
 	} else {
@@ -200,7 +199,7 @@ static int __init ams_delta_init(void)
 					  AMS_DELTA_LATCH2_NAND_NCE |