mtd: resync with Linux-3.7.1

index 32b28f9..2a0c31c 100644
@@ -120,7 +120,7 @@ int board_eth_init(bd_t *bis)
 #ifdef CONFIG_NAND_DAVINCI
 static int
 davinci_std_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
-				   uint8_t *buf, int page)
+				   uint8_t *buf, int oob_required, int page)
 {
 	struct nand_chip *this = mtd->priv;
 	int i, eccsize = chip->ecc.size;

@@ -167,8 +167,9 @@ davinci_std_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
 	return 0;
 }
 
-static void davinci_std_write_page_syndrome(struct mtd_info *mtd,
-				    struct nand_chip *chip, const uint8_t *buf)
+static int davinci_std_write_page_syndrome(struct mtd_info *mtd,
+				    struct nand_chip *chip, const uint8_t *buf,
+				    int oob_required)
 {
 	unsigned char davinci_ecc_buf[NAND_MAX_OOBSIZE];
 	struct nand_chip *this = mtd->priv;

@@ -218,6 +219,7 @@ static void davinci_std_write_page_syndrome(struct mtd_info *mtd,
 	i = mtd->oobsize - (oob - chip->oob_poi);
 	if (i)
 		chip->write_buf(mtd, oob, i);
+	return 0;
 }
 
 static int davinci_std_write_oob_syndrome(struct mtd_info *mtd,

@@ -239,7 +241,7 @@ static int davinci_std_write_oob_syndrome(struct mtd_info *mtd,
 }
 
 static int davinci_std_read_oob_syndrome(struct mtd_info *mtd,
-	struct nand_chip *chip, int page, int sndcmd)
+	struct nand_chip *chip, int page)
 {
 	struct nand_chip *this = mtd->priv;
 	uint8_t *buf = chip->oob_poi;

@@ -249,7 +251,7 @@ static int davinci_std_read_oob_syndrome(struct mtd_info *mtd,
 
 	chip->read_buf(mtd, bufpoi, mtd->oobsize);
 
-	return 1;
+	return 0;
 }
 
 static void nand_dm365evm_select_chip(struct mtd_info *mtd, int chip)

index 1568594..c4ba0b3 100644
@@ -62,8 +62,8 @@ static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
 	ops.oobbuf = oobbuf;
 	ops.len = nand->writesize;
 	ops.ooblen = nand->oobsize;
-	ops.mode = MTD_OOB_RAW;
-	i = nand->read_oob(nand, addr, &ops);
+	ops.mode = MTD_OPS_RAW;
+	i = mtd_read_oob(nand, addr, &ops);
 	if (i < 0) {
 		printf("Error (%d) reading page %08lx\n", i, off);
 		free(datbuf);

@@ -407,13 +407,13 @@ static int raw_access(nand_info_t *nand, ulong addr, loff_t off, ulong count,
 			.oobbuf = ((u8 *)addr) + nand->writesize,
 			.len = nand->writesize,
 			.ooblen = nand->oobsize,
-			.mode = MTD_OOB_RAW
+			.mode = MTD_OPS_RAW
 		};
 
 		if (read)
-			ret = nand->read_oob(nand, off, &ops);
+			ret = mtd_read_oob(nand, off, &ops);
 		else
-			ret = nand->write_oob(nand, off, &ops);
+			ret = mtd_write_oob(nand, off, &ops);
 
 		if (ret) {
 			printf("%s: error at offset %llx, ret %d\n",

@@ -680,13 +680,13 @@ static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 			mtd_oob_ops_t ops = {
 				.oobbuf = (u8 *)addr,
 				.ooblen = rwsize,
-				.mode = MTD_OOB_RAW
+				.mode = MTD_OPS_RAW
 			};
 
 			if (read)
-				ret = nand->read_oob(nand, off, &ops);
+				ret = mtd_read_oob(nand, off, &ops);
 			else
-				ret = nand->write_oob(nand, off, &ops);
+				ret = mtd_write_oob(nand, off, &ops);
 		} else if (raw) {
 			ret = raw_access(nand, addr, off, pagecount, read);
 		} else {

@@ -729,7 +729,7 @@ static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		while (argc > 0) {
 			addr = simple_strtoul(*argv, NULL, 16);
 
-			if (nand->block_markbad(nand, addr)) {
+			if (mtd_block_markbad(nand, addr)) {
 				printf("block 0x%08lx NOT marked "
 					"as bad! ERROR %d\n",
 					addr, ret);

index a0d25e5..06cc140 100644
@@ -83,7 +83,7 @@ static int onenand_block_read(loff_t from, size_t len,
 		ops.len = blocksize;
 
 	while (blocks) {
-		ret = mtd->block_isbad(mtd, ofs);
+		ret = mtd_block_isbad(mtd, ofs);
 		if (ret) {
 			printk("Bad blocks %d at 0x%x\n",
 			       (u32)(ofs >> this->erase_shift), (u32)ofs);

@@ -97,7 +97,7 @@ static int onenand_block_read(loff_t from, size_t len,
 			ops.datbuf = buf;
 
 		ops.retlen = 0;
-		ret = mtd->read_oob(mtd, ofs, &ops);
+		ret = mtd_read_oob(mtd, ofs, &ops);
 		if (ret) {
 			printk("Read failed 0x%x, %d\n", (u32)ofs, ret);
 			ofs += blocksize;

@@ -118,7 +118,7 @@ static int onenand_write_oneblock_withoob(loff_t to, const u_char * buf,
 	struct mtd_oob_ops ops = {
 		.len = mtd->writesize,
 		.ooblen = mtd->oobsize,
-		.mode = MTD_OOB_AUTO,
+		.mode = MTD_OPS_AUTO_OOB,
 	};
 	int page, ret = 0;
 	for (page = 0; page < (mtd->erasesize / mtd->writesize); page ++) {

@@ -126,7 +126,7 @@ static int onenand_write_oneblock_withoob(loff_t to, const u_char * buf,
 		buf += mtd->writesize;
 		ops.oobbuf = (u_char *)buf;
 		buf += mtd->oobsize;
-		ret = mtd->write_oob(mtd, to, &ops);
+		ret = mtd_write_oob(mtd, to, &ops);
 		if (ret)
 			break;
 		to += mtd->writesize;

@@ -156,7 +156,7 @@ static int onenand_block_write(loff_t to, size_t len,
 	ofs = to;
 
 	while (blocks) {
-		ret = mtd->block_isbad(mtd, ofs);
+		ret = mtd_block_isbad(mtd, ofs);
 		if (ret) {
 			printk("Bad blocks %d at 0x%x\n",
 			       (u32)(ofs >> this->erase_shift), (u32)ofs);

@@ -165,7 +165,7 @@ static int onenand_block_write(loff_t to, size_t len,
 		}
 
 		if (!withoob)
-			ret = mtd->write(mtd, ofs, blocksize, &_retlen, buf);
+			ret = mtd_write(mtd, ofs, blocksize, &_retlen, buf);
 		else
 			ret = onenand_write_oneblock_withoob(ofs, buf, &_retlen);
 		if (ret) {

@@ -195,7 +195,7 @@ static int onenand_block_erase(u32 start, u32 size, int force)
 	int blocksize = 1 << this->erase_shift;
 
 	for (ofs = start; ofs < (start + size); ofs += blocksize) {
-		ret = mtd->block_isbad(mtd, ofs);
+		ret = mtd_block_isbad(mtd, ofs);
 		if (ret && !force) {
 			printf("Skip erase bad block %d at 0x%x\n",
 			       (u32)(ofs >> this->erase_shift), (u32)ofs);

@@ -206,7 +206,7 @@ static int onenand_block_erase(u32 start, u32 size, int force)
 		instr.len = blocksize;
 		instr.priv = force;
 		instr.mtd = mtd;
-		ret = mtd->erase(mtd, &instr);
+		ret = mtd_erase(mtd, &instr);
 		if (ret) {
 			printf("erase failed block %d at 0x%x\n",
 			       (u32)(ofs >> this->erase_shift), (u32)ofs);

@@ -261,7 +261,7 @@ static int onenand_block_test(u32 start, u32 size)
 	while (blocks < end_block) {
 		printf("\rTesting block %d@0x%x", (u32)(ofs >> this->erase_shift), (u32)ofs);
 
-		ret = mtd->block_isbad(mtd, ofs);
+		ret = mtd_block_isbad(mtd, ofs);
 		if (ret) {
 			printf("Skip erase bad block %d at 0x%x\n",
 			       (u32)(ofs >> this->erase_shift), (u32)ofs);

@@ -270,19 +270,19 @@ static int onenand_block_test(u32 start, u32 size)
 
 		instr.addr = ofs;
 		instr.len = blocksize;
-		ret = mtd->erase(mtd, &instr);
+		ret = mtd_erase(mtd, &instr);
 		if (ret) {
 			printk("Erase failed 0x%x, %d\n", (u32)ofs, ret);
 			goto next;
 		}
 
-		ret = mtd->write(mtd, ofs, blocksize, &retlen, buf);
+		ret = mtd_write(mtd, ofs, blocksize, &retlen, buf);
 		if (ret) {
 			printk("Write failed 0x%x, %d\n", (u32)ofs, ret);
 			goto next;
 		}
 
-		ret = mtd->read(mtd, ofs, blocksize, &retlen, verify_buf);
+		ret = mtd_read(mtd, ofs, blocksize, &retlen, verify_buf);
 		if (ret) {
 			printk("Read failed 0x%x, %d\n", (u32)ofs, ret);
 			goto next;

@@ -324,7 +324,7 @@ static int onenand_dump(struct mtd_info *mtd, ulong off, int only_oob)
 	ops.len = mtd->writesize;
 	ops.ooblen = mtd->oobsize;
 	ops.retlen = 0;
-	i = mtd->read_oob(mtd, addr, &ops);
+	i = mtd_read_oob(mtd, addr, &ops);
 	if (i < 0) {
 		printf("Error (%d) reading page %08lx\n", i, off);
 		free(datbuf);

@@ -373,7 +373,7 @@ static int do_onenand_bad(cmd_tbl_t * cmdtp, int flag, int argc, char * const ar
 	/* Currently only one OneNAND device is supported */
 	printf("\nDevice %d bad blocks:\n", 0);
 	for (ofs = 0; ofs < mtd->size; ofs += mtd->erasesize) {
-		if (mtd->block_isbad(mtd, ofs))
+		if (mtd_block_isbad(mtd, ofs))
 			printf("  %08x\n", (u32)ofs);
 	}
 

@@ -530,7 +530,7 @@ static int do_onenand_markbad(cmd_tbl_t * cmdtp, int flag, int argc, char * cons
 	while (argc > 0) {
 		addr = simple_strtoul(*argv, NULL, 16);
 
-		if (mtd->block_markbad(mtd, addr)) {
+		if (mtd_block_markbad(mtd, addr)) {
 			printf("block 0x%08lx NOT marked "
 				"as bad! ERROR %d\n",
 				addr, ret);

index faa903d..e8bde37 100644
@@ -68,7 +68,7 @@ void env_relocate_spec(void)
 	/* Check OneNAND exist */
 	if (mtd->writesize)
 		/* Ignore read fail */
-		mtd->read(mtd, env_addr, ONENAND_MAX_ENV_SIZE,
+		mtd_read(mtd, env_addr, ONENAND_MAX_ENV_SIZE,
 				&retlen, (u_char *)buf);
 	else
 		mtd->writesize = MAX_ONENAND_PAGESIZE;

@@ -113,12 +113,12 @@ int saveenv(void)
 #endif
 	instr.addr = env_addr;
 	instr.mtd = mtd;
-	if (mtd->erase(mtd, &instr)) {
+	if (mtd_erase(mtd, &instr)) {
 		printf("OneNAND: erase failed at 0x%08llx\n", env_addr);
 		return 1;
 	}
 
-	if (mtd->write(mtd, env_addr, ONENAND_MAX_ENV_SIZE, &retlen,
+	if (mtd_write(mtd, env_addr, ONENAND_MAX_ENV_SIZE, &retlen,
 			(u_char *)&env_new)) {
 		printf("OneNAND: write failed at 0x%llx\n", instr.addr);
 		return 2;

index 8d74fa9..bbb71a1 100644
@@ -244,12 +244,12 @@ int cfi_mtd_init(void)
 		mtd->size		= fi->size;
 		mtd->writesize		= 1;
 
-		mtd->erase		= cfi_mtd_erase;
-		mtd->read		= cfi_mtd_read;
-		mtd->write		= cfi_mtd_write;
-		mtd->sync		= cfi_mtd_sync;
-		mtd->lock		= cfi_mtd_lock;
-		mtd->unlock		= cfi_mtd_unlock;
+		mtd->_erase		= cfi_mtd_erase;
+		mtd->_read		= cfi_mtd_read;
+		mtd->_write		= cfi_mtd_write;
+		mtd->_sync		= cfi_mtd_sync;
+		mtd->_lock		= cfi_mtd_lock;
+		mtd->_unlock		= cfi_mtd_unlock;
 		mtd->priv		= fi;
 
 		if (add_mtd_device(mtd))

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index 994dd9f..b09e7b7 100644
@@ -489,7 +489,7 @@ normal_check:
 }
 
 static int atmel_nand_pmecc_read_page(struct mtd_info *mtd,
-	struct nand_chip *chip, uint8_t *buf, int page)
+	struct nand_chip *chip, uint8_t *buf, int oob_required, int page)
 {
 	struct atmel_nand_host *host = chip->priv;
 	int eccsize = chip->ecc.size;

@@ -529,8 +529,9 @@ static int atmel_nand_pmecc_read_page(struct mtd_info *mtd,
 	return 0;
 }
 
-static void atmel_nand_pmecc_write_page(struct mtd_info *mtd,
-		struct nand_chip *chip, const uint8_t *buf)
+static int atmel_nand_pmecc_write_page(struct mtd_info *mtd,
+		struct nand_chip *chip, const uint8_t *buf,
+		int oob_required)
 {
 	struct atmel_nand_host *host = chip->priv;
 	uint32_t *eccpos = chip->ecc.layout->eccpos;

@@ -557,7 +558,7 @@ static void atmel_nand_pmecc_write_page(struct mtd_info *mtd,
 
 	if (!timeout) {
 		printk(KERN_ERR "atmel_nand : Timeout to read PMECC status, fail to write PMECC in oob\n");
-		return;
+		goto out;
 	}
 
 	for (i = 0; i < host->pmecc_sector_number; i++) {

@@ -570,6 +571,8 @@ static void atmel_nand_pmecc_write_page(struct mtd_info *mtd,
 		}
 	}
 	chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
+out:
+	return 0;
 }
 
 static void atmel_pmecc_core_init(struct mtd_info *mtd)

@@ -775,9 +778,10 @@ static int atmel_nand_calculate(struct mtd_info *mtd,
  * mtd:        mtd info structure
  * chip:       nand chip info structure
  * buf:        buffer to store read data
+ * oob_required:    caller expects OOB data read to chip->oob_poi
  */
-static int atmel_nand_read_page(struct mtd_info *mtd,
-		struct nand_chip *chip, uint8_t *buf, int page)
+static int atmel_nand_read_page(struct mtd_info *mtd, struct nand_chip *chip,
+				uint8_t *buf, int oob_required, int page)
 {
 	int eccsize = chip->ecc.size;
 	int eccbytes = chip->ecc.bytes;

index e8506dd..04b24f3 100644
@@ -607,7 +607,7 @@ void davinci_nand_init(struct nand_chip *nand)
 {
 	nand->chip_delay  = 0;
 #ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
-	nand->options	  |= NAND_USE_FLASH_BBT;
+	nand->bbt_options	  |= NAND_BBT_USE_FLASH;
 #endif
 #ifdef CONFIG_SYS_NAND_HW_ECC
 	nand->ecc.mode = NAND_ECC_HW;

index edf3a09..104d97f 100644
@@ -134,7 +134,7 @@ static struct rs_control *rs_decoder;
 
 /*
  * The HW decoder in the DoC ASIC's provides us a error syndrome,
- * which we must convert to a standard syndrom usable by the generic
+ * which we must convert to a standard syndrome usable by the generic
  * Reed-Solomon library code.
  *
  * Fabrice Bellard figured this out in the old docecc code. I added

@@ -154,7 +154,7 @@ static int doc_ecc_decode(struct rs_control *rs, uint8_t *data, uint8_t *ecc)
 	ds[3] = ((ecc[3] & 0xc0) >> 6) | ((ecc[0] & 0xff) << 2);
 	parity = ecc[1];
 
-	/* Initialize the syndrom buffer */
+	/* Initialize the syndrome buffer */
 	for (i = 0; i < NROOTS; i++)
 		s[i] = ds[0];
 	/*

@@ -1033,7 +1033,7 @@ static int doc200x_correct_data(struct mtd_info *mtd, u_char *dat,
 		WriteDOC(DOC_ECC_DIS, docptr, Mplus_ECCConf);
 	else
 		WriteDOC(DOC_ECC_DIS, docptr, ECCConf);
-	if (no_ecc_failures && (ret == -EBADMSG)) {
+	if (no_ecc_failures && mtd_is_eccerr(ret)) {
 		printk(KERN_ERR "suppressing ECC failure\n");
 		ret = 0;
 	}

@@ -1073,7 +1073,7 @@ static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, const ch
 	size_t retlen;
 
 	for (offs = 0; offs < mtd->size; offs += mtd->erasesize) {
-		ret = mtd->read(mtd, offs, mtd->writesize, &retlen, buf);
+		ret = mtd_read(mtd, offs, mtd->writesize, &retlen, buf);
 		if (retlen != mtd->writesize)
 			continue;
 		if (ret) {

@@ -1098,7 +1098,7 @@ static int __init find_media_headers(struct mtd_info *mtd, u_char *buf, const ch
 	/* Only one mediaheader was found.  We want buf to contain a
 	   mediaheader on return, so we'll have to re-read the one we found. */
 	offs = doc->mh0_page << this->page_shift;
-	ret = mtd->read(mtd, offs, mtd->writesize, &retlen, buf);
+	ret = mtd_read(mtd, offs, mtd->writesize, &retlen, buf);
 	if (retlen != mtd->writesize) {
 		/* Insanity.  Give up. */
 		printk(KERN_ERR "Read DiskOnChip Media Header once, but can't reread it???\n");

@@ -1658,7 +1658,7 @@ static int __init doc_probe(unsigned long physadr)
 	nand->ecc.mode		= NAND_ECC_HW_SYNDROME;
 	nand->ecc.size		= 512;
 	nand->ecc.bytes		= 6;
-	nand->options		= NAND_USE_FLASH_BBT;
+	nand->bbt_options	= NAND_BBT_USE_FLASH;
 
 	doc->physadr		= physadr;
 	doc->virtadr		= virtadr;

index 834a8a6..65edbf5 100644
@@ -640,9 +640,8 @@ static int fsl_elbc_wait(struct mtd_info *mtd, struct nand_chip *chip)
 	return fsl_elbc_read_byte(mtd);
 }
 
-static int fsl_elbc_read_page(struct mtd_info *mtd,
-			      struct nand_chip *chip,
-			      uint8_t *buf, int page)
+static int fsl_elbc_read_page(struct mtd_info *mtd, struct nand_chip *chip,
+			      uint8_t *buf, int oob_required, int page)
 {
 	fsl_elbc_read_buf(mtd, buf, mtd->writesize);
 	fsl_elbc_read_buf(mtd, chip->oob_poi, mtd->oobsize);

@@ -656,12 +655,13 @@ static int fsl_elbc_read_page(struct mtd_info *mtd,
 /* ECC will be calculated automatically, and errors will be detected in
  * waitfunc.
  */
-static void fsl_elbc_write_page(struct mtd_info *mtd,
-				struct nand_chip *chip,
-				const uint8_t *buf)
+static int fsl_elbc_write_page(struct mtd_info *mtd, struct nand_chip *chip,
+				const uint8_t *buf, int oob_required)
 {
 	fsl_elbc_write_buf(mtd, buf, mtd->writesize);
 	fsl_elbc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+
+	return 0;
 }
 
 static struct fsl_elbc_ctrl *elbc_ctrl;

@@ -747,8 +747,8 @@ static int fsl_elbc_chip_init(int devnum, u8 *addr)
 	nand->bbt_md = &bbt_mirror_descr;
 
   	/* set up nand options */
-	nand->options = NAND_NO_READRDY | NAND_NO_AUTOINCR |
-			NAND_USE_FLASH_BBT | NAND_NO_SUBPAGE_WRITE;
+	nand->options = NAND_NO_SUBPAGE_WRITE;
+	nand->bbt_options = NAND_BBT_USE_FLASH;
 
 	nand->controller = &elbc_ctrl->controller;
 	nand->priv = priv;

index b13d8a9..5d47b40 100644
@@ -686,9 +686,8 @@ static int fsl_ifc_wait(struct mtd_info *mtd, struct nand_chip *chip)
 	return nand_fsr;
 }
 
-static int fsl_ifc_read_page(struct mtd_info *mtd,
-			      struct nand_chip *chip,
-			      uint8_t *buf, int page)
+static int fsl_ifc_read_page(struct mtd_info *mtd, struct nand_chip *chip,
+			     uint8_t *buf, int oob_required, int page)
 {
 	struct fsl_ifc_mtd *priv = chip->priv;
 	struct fsl_ifc_ctrl *ctrl = priv->ctrl;

@@ -705,12 +704,13 @@ static int fsl_ifc_read_page(struct mtd_info *mtd,
 /* ECC will be calculated automatically, and errors will be detected in
  * waitfunc.
  */
-static void fsl_ifc_write_page(struct mtd_info *mtd,
-				struct nand_chip *chip,
-				const uint8_t *buf)
+static int fsl_ifc_write_page(struct mtd_info *mtd, struct nand_chip *chip,
+			       const uint8_t *buf, int oob_required)
 {
 	fsl_ifc_write_buf(mtd, buf, mtd->writesize);
 	fsl_ifc_write_buf(mtd, chip->oob_poi, mtd->oobsize);
+
+	return 0;
 }
 
 static void fsl_ifc_ctrl_init(void)

@@ -852,8 +852,8 @@ int board_nand_init(struct nand_chip *nand)
 	nand->bbt_md = &bbt_mirror_descr;
 
 	/* set up nand options */
-	nand->options = NAND_NO_READRDY | NAND_NO_AUTOINCR |
-			NAND_USE_FLASH_BBT | NAND_NO_SUBPAGE_WRITE;
+	nand->options = NAND_NO_SUBPAGE_WRITE;
+	nand->bbt_options = NAND_BBT_USE_FLASH;
 
 	if (cspr & CSPR_PORT_SIZE_16) {
 		nand->read_byte = fsl_ifc_read_byte16;

index 7a61d88..48ca543 100644
@@ -341,6 +341,7 @@ void fsmc_enable_hwecc(struct mtd_info *mtd, int mode)
  * @mtd:	mtd info structure
  * @chip:	nand chip info structure
  * @buf:	buffer to store read data
+ * @oob_required:	caller expects OOB data read to chip->oob_poi
  * @page:	page number to read
  *
  * This routine is needed for fsmc verison 8 as reading from NAND chip has to be

@@ -350,7 +351,7 @@ void fsmc_enable_hwecc(struct mtd_info *mtd, int mode)
  * max of 8 bits)
  */
 static int fsmc_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
-				 uint8_t *buf, int page)
+				 uint8_t *buf, int oob_required, int page)
 {
 	struct fsmc_eccplace *fsmc_eccpl;
 	int i, j, s, stat, eccsize = chip->ecc.size;

index e6b7a70..e53f341 100644
@@ -621,7 +621,7 @@ int board_nand_init(struct nand_chip *chip)
 	chip->write_buf = mpc5121_nfc_write_buf;
 	chip->verify_buf = mpc5121_nfc_verify_buf;
 	chip->select_chip = mpc5121_nfc_select_chip;
-	chip->options = NAND_NO_AUTOINCR | NAND_USE_FLASH_BBT;
+	chip->bbt_options = NAND_BBT_USE_FLASH;
 	chip->ecc.mode = NAND_ECC_SOFT;
 
 	/* Reset NAND Flash controller */

index d0ded48..c51a012 100644
@@ -380,7 +380,7 @@ static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode)
 #ifdef MXC_NFC_V2_1
 static int mxc_nand_read_oob_syndrome(struct mtd_info *mtd,
 				      struct nand_chip *chip,
-				      int page, int sndcmd)
+				      int page)
 {
 	struct mxc_nand_host *host = chip->priv;
 	uint8_t *buf = chip->oob_poi;

@@ -434,6 +434,7 @@ static int mxc_nand_read_oob_syndrome(struct mtd_info *mtd,
 static int mxc_nand_read_page_raw_syndrome(struct mtd_info *mtd,
 					   struct nand_chip *chip,
 					   uint8_t *buf,
+					   int oob_required,
 					   int page)
 {
 	struct mxc_nand_host *host = chip->priv;

@@ -478,6 +479,7 @@ static int mxc_nand_read_page_raw_syndrome(struct mtd_info *mtd,
 static int mxc_nand_read_page_syndrome(struct mtd_info *mtd,
 				       struct nand_chip *chip,
 				       uint8_t *buf,
+				       int oob_required,
 				       int page)
 {
 	struct mxc_nand_host *host = chip->priv;

@@ -567,9 +569,10 @@ static int mxc_nand_write_oob_syndrome(struct mtd_info *mtd,
 	return status & NAND_STATUS_FAIL ? -EIO : 0;
 }
 
-static void mxc_nand_write_page_raw_syndrome(struct mtd_info *mtd,
+static int mxc_nand_write_page_raw_syndrome(struct mtd_info *mtd,
 					     struct nand_chip *chip,
-					     const uint8_t *buf)
+					     const uint8_t *buf,
+					     int oob_required)
 {
 	struct mxc_nand_host *host = chip->priv;
 	int eccsize = chip->ecc.size;

@@ -603,11 +606,13 @@ static void mxc_nand_write_page_raw_syndrome(struct mtd_info *mtd,
 	size = mtd->oobsize - (oob - chip->oob_poi);
 	if (size)
 		chip->write_buf(mtd, oob, size);
+	return 0;
 }
 
-static void mxc_nand_write_page_syndrome(struct mtd_info *mtd,
+static int mxc_nand_write_page_syndrome(struct mtd_info *mtd,
 					 struct nand_chip *chip,
-					 const uint8_t *buf)
+					 const uint8_t *buf,
+					 int oob_required)
 {
 	struct mxc_nand_host *host = chip->priv;
 	int i, n, eccsize = chip->ecc.size;

@@ -646,6 +651,7 @@ static void mxc_nand_write_page_syndrome(struct mtd_info *mtd,
 	i = mtd->oobsize - (oob - chip->oob_poi);
 	if (i)
 		chip->write_buf(mtd, oob, i);
+	return 0;
 }
 
 static int mxc_nand_correct_data(struct mtd_info *mtd, u_char *dat,

@@ -1172,7 +1178,7 @@ int board_nand_init(struct nand_chip *this)
 #endif
 
 #ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
-	this->options |= NAND_USE_FLASH_BBT;
+	this->bbt_options |= NAND_BBT_USE_FLASH;
 	this->bbt_td = &bbt_main_descr;
 	this->bbt_md = &bbt_mirror_descr;
 #endif

index e38e151..422519a 100644
@@ -546,7 +546,8 @@ static uint8_t mxs_nand_read_byte(struct mtd_info *mtd)
  * Read a page from NAND.
  */
 static int mxs_nand_ecc_read_page(struct mtd_info *mtd, struct nand_chip *nand,
-					uint8_t *buf, int page)
+					uint8_t *buf, int oob_required,
+					int page)
 {
 	struct mxs_nand_info *nand_info = nand->priv;
 	struct mxs_dma_desc *d;

@@ -691,8 +692,9 @@ rtn:
 /*
  * Write a page to NAND.
  */
-static void mxs_nand_ecc_write_page(struct mtd_info *mtd,
-				struct nand_chip *nand, const uint8_t *buf)
+static int mxs_nand_ecc_write_page(struct mtd_info *mtd,
+				struct nand_chip *nand, const uint8_t *buf,
+				int oob_required)
 {
 	struct mxs_nand_info *nand_info = nand->priv;
 	struct mxs_dma_desc *d;

@@ -748,6 +750,7 @@ static void mxs_nand_ecc_write_page(struct mtd_info *mtd,
 
 rtn:
 	mxs_nand_return_dma_descs(nand_info);
+	return 0;
 }
 
 /*

@@ -763,7 +766,7 @@ static int mxs_nand_hook_read_oob(struct mtd_info *mtd, loff_t from,
 	struct mxs_nand_info *nand_info = chip->priv;
 	int ret;
 
-	if (ops->mode == MTD_OOB_RAW)
+	if (ops->mode == MTD_OPS_RAW)
 		nand_info->raw_oob_mode = 1;
 	else
 		nand_info->raw_oob_mode = 0;

@@ -788,7 +791,7 @@ static int mxs_nand_hook_write_oob(struct mtd_info *mtd, loff_t to,
 	struct mxs_nand_info *nand_info = chip->priv;
 	int ret;
 
-	if (ops->mode == MTD_OOB_RAW)
+	if (ops->mode == MTD_OPS_RAW)
 		nand_info->raw_oob_mode = 1;
 	else
 		nand_info->raw_oob_mode = 0;

@@ -997,19 +1000,19 @@ static int mxs_nand_scan_bbt(struct mtd_info *mtd)
 	writel(BCH_CTRL_COMPLETE_IRQ_EN, &bch_regs->hw_bch_ctrl_set);
 
 	/* Hook some operations at the MTD level. */
-	if (mtd->read_oob != mxs_nand_hook_read_oob) {
-		nand_info->hooked_read_oob = mtd->read_oob;
-		mtd->read_oob = mxs_nand_hook_read_oob;
+	if (mtd->_read_oob != mxs_nand_hook_read_oob) {
+		nand_info->hooked_read_oob = mtd->_read_oob;
+		mtd->_read_oob = mxs_nand_hook_read_oob;
 	}
 
-	if (mtd->write_oob != mxs_nand_hook_write_oob) {
-		nand_info->hooked_write_oob = mtd->write_oob;
-		mtd->write_oob = mxs_nand_hook_write_oob;
+	if (mtd->_write_oob != mxs_nand_hook_write_oob) {
+		nand_info->hooked_write_oob = mtd->_write_oob;
+		mtd->_write_oob = mxs_nand_hook_write_oob;
 	}
 
-	if (mtd->block_markbad != mxs_nand_hook_block_markbad) {
-		nand_info->hooked_block_markbad = mtd->block_markbad;
-		mtd->block_markbad = mxs_nand_hook_block_markbad;
+	if (mtd->_block_markbad != mxs_nand_hook_block_markbad) {
+		nand_info->hooked_block_markbad = mtd->_block_markbad;
+		mtd->_block_markbad = mxs_nand_hook_block_markbad;
 	}
 
 	/* We use the reference implementation for bad block management. */

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index b09e7b7..3bfbaf8 100644
@@ -709,6 +709,7 @@ static int atmel_pmecc_nand_init_params(struct nand_chip *nand,
 
 	nand->ecc.read_page = atmel_nand_pmecc_read_page;
 	nand->ecc.write_page = atmel_nand_pmecc_write_page;
+	nand->ecc.strength = cap;
 
 	atmel_pmecc_core_init(mtd);
 

index c7ddbb2..7e755e8 100644
@@ -374,9 +374,11 @@ int board_nand_init(struct nand_chip *chip)
 		if (!NAND_IS_512()) {
 			chip->ecc.bytes = 3;
 			chip->ecc.size = 256;
+			chip->ecc.strength = 1;
 		} else {
 			chip->ecc.bytes = 6;
 			chip->ecc.size = 512;
+			chip->ecc.strength = 2;
 		}
 		chip->ecc.mode = NAND_ECC_HW;
 		chip->ecc.calculate = bfin_nfc_calculate_ecc;

index 04b24f3..90f5985 100644
@@ -613,6 +613,7 @@ void davinci_nand_init(struct nand_chip *nand)
 	nand->ecc.mode = NAND_ECC_HW;
 	nand->ecc.size = 512;
 	nand->ecc.bytes = 3;
+	nand->ecc.strength = 1;
 	nand->ecc.calculate = nand_davinci_calculate_ecc;
 	nand->ecc.correct  = nand_davinci_correct_data;
 	nand->ecc.hwctl  = nand_davinci_enable_hwecc;

@@ -623,6 +624,7 @@ void davinci_nand_init(struct nand_chip *nand)
 	nand->ecc.mode = NAND_ECC_HW_OOB_FIRST;
 	nand->ecc.size = 512;
 	nand->ecc.bytes = 10;
+	nand->ecc.strength = 4;
 	nand->ecc.calculate = nand_davinci_4bit_calculate_ecc;
 	nand->ecc.correct = nand_davinci_4bit_correct_data;
 	nand->ecc.hwctl = nand_davinci_4bit_enable_hwecc;

index 104d97f..4cd741e 100644
@@ -1658,6 +1658,7 @@ static int __init doc_probe(unsigned long physadr)
 	nand->ecc.mode		= NAND_ECC_HW_SYNDROME;
 	nand->ecc.size		= 512;
 	nand->ecc.bytes		= 6;
+	nand->ecc.strength	= 2;
 	nand->bbt_options	= NAND_BBT_USE_FLASH;
 
 	doc->physadr		= physadr;

index 28e6d35..0fa776a 100644
@@ -769,6 +769,7 @@ static int fsl_elbc_chip_init(int devnum, u8 *addr)
 		nand->ecc.size = 512;
 		nand->ecc.bytes = 3;
 		nand->ecc.steps = 1;
+		nand->ecc.strength = 1;
 	} else {
 		/* otherwise fall back to default software ECC */
 		nand->ecc.mode = NAND_ECC_SOFT;

index 68c1c83..439822c 100644
@@ -890,11 +890,13 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
 			bbt_mirror_descr.offs = 0;
 		}
 
+		nand->ecc.strength = 4;
 		priv->bufnum_mask = 15;
 		break;
 
 	case CSOR_NAND_PGS_2K:
 		layout = &oob_2048_ecc4;
+		nand->ecc.strength = 4;
 		priv->bufnum_mask = 3;
 		break;
 

@@ -902,8 +904,10 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr)
 		if ((csor & CSOR_NAND_ECC_MODE_MASK) ==
 		    CSOR_NAND_ECC_MODE_4) {
 			layout = &oob_4096_ecc4;
+			nand->ecc.strength = 4;
 		} else {
 			layout = &oob_4096_ecc8;
+			nand->ecc.strength = 8;
 			nand->ecc.bytes = 16;
 		}
 

index 48ca543..fab2aeb 100644
@@ -453,6 +453,7 @@ int fsmc_nand_init(struct nand_chip *nand)
 	switch (fsmc_version) {
 	case FSMC_VER8:
 		nand->ecc.bytes = 13;
+		nand->ecc.strength = 8;
 		nand->ecc.correct = fsmc_bch8_correct_data;
 		nand->ecc.read_page = fsmc_read_page_hwecc;
 		if (mtd->writesize == 512)

@@ -467,6 +468,7 @@ int fsmc_nand_init(struct nand_chip *nand)
 		break;
 	default:
 		nand->ecc.bytes = 3;
+		nand->ecc.strength = 1;
 		nand->ecc.layout = &fsmc_ecc1_layout;
 		nand->ecc.correct = nand_correct_data;
 		break;

index 3ec34f3..a691fbc 100644
@@ -253,6 +253,7 @@ int board_nand_init(struct nand_chip *nand)
 	nand->ecc.mode		= NAND_ECC_HW_OOB_FIRST;
 	nand->ecc.size		= CONFIG_SYS_NAND_ECCSIZE;
 	nand->ecc.bytes		= CONFIG_SYS_NAND_ECCBYTES;
+	nand->ecc.strength	= 4;
 	nand->ecc.layout	= &qi_lb60_ecclayout_2gb;
 	nand->chip_delay	= 50;
 	nand->options		= NAND_USE_FLASH_BBT;

index 633d0a7..ac435f2 100644
@@ -1242,6 +1242,13 @@ int board_nand_init(struct nand_chip *this)
 		this->ecc.mode = NAND_ECC_HW;
 	}
 
+	if (this->ecc.mode == NAND_ECC_HW) {
+		if (is_mxc_nfc_1())
+			this->ecc.strength = 1;
+		else
+			this->ecc.strength = 4;
+	}
+
 	host->pagesize_2k = 0;
 
 	this->ecc.size = 512;

index 422519a..7ba48c1 100644
@@ -869,7 +869,7 @@ static int mxs_nand_hook_block_markbad(struct mtd_info *mtd, loff_t ofs)
  * what to do.
  */
 static int mxs_nand_ecc_read_oob(struct mtd_info *mtd, struct nand_chip *nand,
-				int page, int cmd)
+				int page)
 {
 	struct mxs_nand_info *nand_info = nand->priv;
 

@@ -1166,6 +1166,7 @@ int board_nand_init(struct nand_chip *nand)
 	nand->ecc.mode		= NAND_ECC_HW;
 	nand->ecc.bytes		= 9;
 	nand->ecc.size		= 512;
+	nand->ecc.strength	= 8;
 
 	return 0;
 

index 748eef9..9e05cef 100644
@@ -3233,6 +3233,7 @@ int nand_scan_tail(struct mtd_info *mtd)
 		if (!chip->ecc.size)
 			chip->ecc.size = 256;
 		chip->ecc.bytes = 3;
+		chip->ecc.strength = 1;
 		break;
 
 	case NAND_ECC_SOFT_BCH:

index e2bf633..d81972c 100644
@@ -616,7 +616,7 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
 				ops.datbuf = p_buffer;
 				ops.oobbuf = ops.datbuf + pagesize;
 
-				rval = nand->write_oob(nand, offset, &ops);
+				rval = mtd_write_oob(nand, offset, &ops);
 				if (rval != 0)
 					break;
 

index 213d2c9..94b9033 100644
@@ -216,6 +216,7 @@ int board_nand_init(struct nand_chip *nand)
 	nand->ecc.mode = NAND_ECC_HW;
 	nand->ecc.size = 256;
 	nand->ecc.bytes = 3;
+	nand->ecc.strength = 1;
 	nand->select_chip = ndfc_select_chip;
 
 #ifdef CONFIG_SYS_NAND_BUSWIDTH_16BIT

index b76f4cb..dc8e513 100644
@@ -212,6 +212,7 @@ int board_nand_init(struct nand_chip *chip)
 	chip->ecc.mode = NAND_ECC_HW;
 	chip->ecc.bytes = 3;
 	chip->ecc.size = 512;
+	chip->ecc.strength = 1;
 	chip->ecc.layout = &nomadik_ecc_layout;
 	chip->ecc.calculate = nomadik_ecc_calculate;
 	chip->ecc.hwctl = nomadik_ecc_hwctl;

index e45dacb..d5f3248 100644
@@ -590,11 +590,12 @@ static int omap_correct_data_bch(struct mtd_info *mtd, uint8_t *dat,
  * @mtd:	mtd info structure
  * @chip:	nand chip info structure
  * @buf:	buffer to store read data
+ * @oob_required: caller expects OOB data read to chip->oob_poi
  * @page:	page number to read
  *
  */
 static int omap_read_page_bch(struct mtd_info *mtd, struct nand_chip *chip,
-				uint8_t *buf, int page)
+				uint8_t *buf, int oob_required, int page)
 {
 	int i, eccsize = chip->ecc.size;
 	int eccbytes = chip->ecc.bytes;

@@ -804,6 +805,7 @@ void omap_nand_switch_ecc(uint32_t hardware, uint32_t eccstrength)
 	nand->ecc.hwctl = NULL;
 	nand->ecc.correct = NULL;
 	nand->ecc.calculate = NULL;
+	nand->ecc.strength = eccstrength;
 
 	/* Setup the ecc configurations again */
 	if (hardware) {

index e1a459b..43d8213 100644
@@ -173,6 +173,7 @@ int board_nand_init(struct nand_chip *nand)
 	nand->ecc.mode = NAND_ECC_HW;
 	nand->ecc.size = CONFIG_SYS_NAND_ECCSIZE;
 	nand->ecc.bytes = CONFIG_SYS_NAND_ECCBYTES;
+	nand->ecc.strength = 1;
 #else
 	nand->ecc.mode = NAND_ECC_SOFT;
 #endif

index 854fd21..6afbec6 100644
@@ -1014,6 +1014,7 @@ int tegra_nand_init(struct nand_chip *nand, int devnum)
 	nand->ecc.write_page_raw = nand_write_page_raw;
 	nand->ecc.read_oob = nand_read_oob;
 	nand->ecc.write_oob = nand_write_oob;
+	nand->ecc.strength = 1;
 	nand->select_chip = nand_select_chip;
 	nand->dev_ready  = nand_dev_ready;
 	nand->priv = &nand_ctrl;