From: John Crispin <john@phrozen.org>
Date: Tue, 24 May 2016 15:01:41 +0000 (+0200)
Subject: mediatek: update mtd backport
X-Git-Tag: v19.07.0-rc1~10241
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=1eac53ba92894ca6ad84d6c14159d17c5f5b9ea5;p=openwrt%2Fstaging%2Fhauke.git

mediatek: update mtd backport

Signed-off-by: John Crispin <john@phrozen.org>
---

diff --git a/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch b/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch
index e89c3729fb..e4c8bc36e5 100644
--- a/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch
+++ b/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch
@@ -53,11 +53,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
  45 files changed, 2077 insertions(+), 748 deletions(-)
  create mode 100644 drivers/mtd/spi-nor/mtk-quadspi.c
 
-diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
-index a03ad29..e83a279 100644
 --- a/drivers/mtd/Kconfig
 +++ b/drivers/mtd/Kconfig
-@@ -112,7 +112,7 @@ config MTD_CMDLINE_PARTS
+@@ -131,7 +131,7 @@
  
  config MTD_AFS_PARTS
  	tristate "ARM Firmware Suite partition parsing"
@@ -66,7 +64,7 @@ index a03ad29..e83a279 100644
  	---help---
  	  The ARM Firmware Suite allows the user to divide flash devices into
  	  multiple 'images'. Each such image has a header containing its name
-@@ -142,7 +142,7 @@ config MTD_AR7_PARTS
+@@ -161,7 +161,7 @@
  
  config MTD_BCM63XX_PARTS
  	tristate "BCM63XX CFE partitioning support"
@@ -75,11 +73,9 @@ index a03ad29..e83a279 100644
  	select CRC32
  	help
  	  This provides partions parsing for BCM63xx devices with CFE
-diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c
-index 08f6298..fbd5aff 100644
 --- a/drivers/mtd/cmdlinepart.c
 +++ b/drivers/mtd/cmdlinepart.c
-@@ -304,7 +304,7 @@ static int mtdpart_setup_real(char *s)
+@@ -304,7 +304,7 @@
   * the first one in the chain if a NULL mtd_id is passed in.
   */
  static int parse_cmdline_partitions(struct mtd_info *master,
@@ -88,7 +84,7 @@ index 08f6298..fbd5aff 100644
  				    struct mtd_part_parser_data *data)
  {
  	unsigned long long offset;
-@@ -382,7 +382,6 @@ static int __init mtdpart_setup(char *s)
+@@ -382,7 +382,6 @@
  __setup("mtdparts=", mtdpart_setup);
  
  static struct mtd_part_parser cmdline_parser = {
@@ -96,11 +92,9 @@ index 08f6298..fbd5aff 100644
  	.parse_fn = parse_cmdline_partitions,
  	.name = "cmdlinepart",
  };
-diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
-index fe9ceb7..c9c3b7f 100644
 --- a/drivers/mtd/devices/m25p80.c
 +++ b/drivers/mtd/devices/m25p80.c
-@@ -152,22 +152,6 @@ static int m25p80_read(struct spi_nor *nor, loff_t from, size_t len,
+@@ -174,22 +174,6 @@
  	return 0;
  }
  
@@ -123,7 +117,7 @@ index fe9ceb7..c9c3b7f 100644
  /*
   * board specific setup should have ensured the SPI clock used here
   * matches what the READ command supports, at least until this driver
-@@ -175,12 +159,11 @@ static int m25p80_erase(struct spi_nor *nor, loff_t offset)
+@@ -197,12 +181,11 @@
   */
  static int m25p_probe(struct spi_device *spi)
  {
@@ -137,7 +131,7 @@ index fe9ceb7..c9c3b7f 100644
  	int ret;
  
  	data = dev_get_platdata(&spi->dev);
-@@ -194,12 +177,11 @@ static int m25p_probe(struct spi_device *spi)
+@@ -216,12 +199,11 @@
  	/* install the hooks */
  	nor->read = m25p80_read;
  	nor->write = m25p80_write;
@@ -151,7 +145,7 @@ index fe9ceb7..c9c3b7f 100644
  	nor->priv = flash;
  
  	spi_set_drvdata(spi, flash);
-@@ -220,6 +202,8 @@ static int m25p_probe(struct spi_device *spi)
+@@ -242,6 +224,8 @@
  	 */
  	if (data && data->type)
  		flash_name = data->type;
@@ -160,7 +154,7 @@ index fe9ceb7..c9c3b7f 100644
  	else
  		flash_name = spi->modalias;
  
-@@ -227,11 +211,8 @@ static int m25p_probe(struct spi_device *spi)
+@@ -249,11 +233,8 @@
  	if (ret)
  		return ret;
  
@@ -174,7 +168,7 @@ index fe9ceb7..c9c3b7f 100644
  }
  
  
-@@ -257,14 +238,21 @@ static int m25p_remove(struct spi_device *spi)
+@@ -279,14 +260,21 @@
   */
  static const struct spi_device_id m25p_ids[] = {
  	/*
@@ -199,11 +193,9 @@ index fe9ceb7..c9c3b7f 100644
  	 */
  	{"at25df321a"},	{"at25df641"},	{"at26df081a"},
  	{"mr25h256"},
-diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
-index e46b4e9..70c4531 100644
 --- a/drivers/mtd/maps/physmap_of.c
 +++ b/drivers/mtd/maps/physmap_of.c
-@@ -166,7 +166,6 @@ static int of_flash_probe(struct platform_device *dev)
+@@ -128,7 +128,6 @@
  	int reg_tuple_size;
  	struct mtd_info **mtd_list = NULL;
  	resource_size_t res_size;
@@ -211,28 +203,21 @@ index e46b4e9..70c4531 100644
  	bool map_indirect;
  	const char *mtd_name = NULL;
  
-@@ -310,13 +309,14 @@ static int of_flash_probe(struct platform_device *dev)
+@@ -272,8 +271,9 @@
  	if (err)
  		goto err_out;
  
 -	ppdata.of_node = dp;
+-	mtd_device_parse_register(info->cmtd, part_probe_types_def, &ppdata,
 +	info->cmtd->dev.parent = &dev->dev;
 +	mtd_set_of_node(info->cmtd, dp);
- 	part_probe_types = of_get_probes(dp);
- 	if (!part_probe_types) {
- 		err = -ENOMEM;
- 		goto err_out;
- 	}
--	mtd_device_parse_register(info->cmtd, part_probe_types, &ppdata,
-+	mtd_device_parse_register(info->cmtd, part_probe_types, NULL,
++	mtd_device_parse_register(info->cmtd, part_probe_types_def, NULL,
  			NULL, 0);
- 	of_free_probes(part_probe_types);
  
-diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
-index 6d19835..2a47a3f 100644
+ 	kfree(mtd_list);
 --- a/drivers/mtd/mtdchar.c
 +++ b/drivers/mtd/mtdchar.c
-@@ -465,35 +465,108 @@ static int mtdchar_readoob(struct file *file, struct mtd_info *mtd,
+@@ -465,38 +465,111 @@
  }
  
  /*
@@ -295,17 +280,19 @@ index 6d19835..2a47a3f 100644
 +			if (ret != -ERANGE)
 +				return ret;
 +
-+			break;
+ 			break;
+-		to->oobavail += from->oobfree[i].length;
+-		to->oobfree[i] = from->oobfree[i];
 +		}
 +
 +		to->oobfree[i].offset = oobregion.offset;
 +		to->oobfree[i].length = oobregion.length;
 +		to->oobavail += to->oobfree[i].length;
-+	}
-+
-+	return 0;
-+}
-+
+ 	}
+ 
+ 	return 0;
+ }
+ 
 +static int get_oobinfo(struct mtd_info *mtd, struct nand_oobinfo *to)
 +{
 +	struct mtd_oob_region oobregion;
@@ -325,9 +312,7 @@ index 6d19835..2a47a3f 100644
 +			if (ret != -ERANGE)
 +				return ret;
 +
- 			break;
--		to->oobavail += from->oobfree[i].length;
--		to->oobfree[i] = from->oobfree[i];
++			break;
 +		}
 +
 +		if (oobregion.length + i > ARRAY_SIZE(to->eccpos))
@@ -338,8 +323,8 @@ index 6d19835..2a47a3f 100644
 +			to->eccpos[i] = eccpos++;
 +			to->eccbytes++;
 +		}
- 	}
- 
++	}
++
 +	for (i = 0; i < 8; i++) {
 +		ret = mtd_ooblayout_free(mtd, i, &oobregion);
 +		if (ret < 0) {
@@ -355,10 +340,13 @@ index 6d19835..2a47a3f 100644
 +
 +	to->useecc = MTD_NANDECC_AUTOPLACE;
 +
- 	return 0;
- }
- 
-@@ -815,16 +888,12 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
++	return 0;
++}
++
+ static int mtdchar_blkpg_ioctl(struct mtd_info *mtd,
+ 			       struct blkpg_ioctl_arg *arg)
+ {
+@@ -815,16 +888,12 @@
  	{
  		struct nand_oobinfo oi;
  
@@ -379,7 +367,7 @@ index 6d19835..2a47a3f 100644
  
  		if (copy_to_user(argp, &oi, sizeof(struct nand_oobinfo)))
  			return -EFAULT;
-@@ -913,14 +982,14 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
+@@ -913,14 +982,14 @@
  	{
  		struct nand_ecclayout_user *usrlay;
  
@@ -396,11 +384,9 @@ index 6d19835..2a47a3f 100644
  
  		if (copy_to_user(argp, usrlay, sizeof(*usrlay)))
  			ret = -EFAULT;
-diff --git a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
-index 239a8c8..d573606 100644
 --- a/drivers/mtd/mtdconcat.c
 +++ b/drivers/mtd/mtdconcat.c
-@@ -777,7 +777,7 @@ struct mtd_info *mtd_concat_create(struct mtd_info *subdev[],	/* subdevices to c
+@@ -777,7 +777,7 @@
  
  	}
  
@@ -409,8 +395,6 @@ index 239a8c8..d573606 100644
  
  	concat->num_subdev = num_devs;
  	concat->mtd.name = name;
-diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
-index 95c13b2..cbfa5ad 100644
 --- a/drivers/mtd/mtdcore.c
 +++ b/drivers/mtd/mtdcore.c
 @@ -32,6 +32,7 @@
@@ -421,23 +405,7 @@ index 95c13b2..cbfa5ad 100644
  #include <linux/proc_fs.h>
  #include <linux/idr.h>
  #include <linux/backing-dev.h>
-@@ -426,15 +427,6 @@ int add_mtd_device(struct mtd_info *mtd)
- 	mtd->erasesize_mask = (1 << mtd->erasesize_shift) - 1;
- 	mtd->writesize_mask = (1 << mtd->writesize_shift) - 1;
- 
--	if (mtd->dev.parent) {
--		if (!mtd->owner && mtd->dev.parent->driver)
--			mtd->owner = mtd->dev.parent->driver->owner;
--		if (!mtd->name)
--			mtd->name = dev_name(mtd->dev.parent);
--	} else {
--		pr_debug("mtd device won't show a device symlink in sysfs\n");
--	}
--
- 	/* Some chips always power up locked. Unlock them now */
- 	if ((mtd->flags & MTD_WRITEABLE) && (mtd->flags & MTD_POWERUP_LOCK)) {
- 		error = mtd_unlock(mtd, 0, mtd->size);
-@@ -454,6 +446,7 @@ int add_mtd_device(struct mtd_info *mtd)
+@@ -446,6 +447,7 @@
  	mtd->dev.devt = MTD_DEVT(i);
  	dev_set_name(&mtd->dev, "mtd%d", i);
  	dev_set_drvdata(&mtd->dev, mtd);
@@ -445,7 +413,7 @@ index 95c13b2..cbfa5ad 100644
  	error = device_register(&mtd->dev);
  	if (error)
  		goto fail_added;
-@@ -476,6 +469,7 @@ int add_mtd_device(struct mtd_info *mtd)
+@@ -477,6 +479,7 @@
  	return 0;
  
  fail_added:
@@ -453,7 +421,7 @@ index 95c13b2..cbfa5ad 100644
  	idr_remove(&mtd_idr, i);
  fail_locked:
  	mutex_unlock(&mtd_table_mutex);
-@@ -517,6 +511,7 @@ int del_mtd_device(struct mtd_info *mtd)
+@@ -518,6 +521,7 @@
  		device_unregister(&mtd->dev);
  
  		idr_remove(&mtd_idr, mtd->index);
@@ -461,7 +429,7 @@ index 95c13b2..cbfa5ad 100644
  
  		module_put(THIS_MODULE);
  		ret = 0;
-@@ -528,9 +523,10 @@ out_error:
+@@ -529,9 +533,10 @@
  }
  
  static int mtd_add_device_partitions(struct mtd_info *mtd,
@@ -474,36 +442,16 @@ index 95c13b2..cbfa5ad 100644
  	int ret;
  
  	if (nbparts == 0 || IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER)) {
-@@ -549,6 +545,21 @@ static int mtd_add_device_partitions(struct mtd_info *mtd,
- 	return 0;
- }
- 
-+/*
-+ * Set a few defaults based on the parent devices, if not provided by the
-+ * driver
-+ */
-+static void mtd_set_dev_defaults(struct mtd_info *mtd)
-+{
-+	if (mtd->dev.parent) {
-+		if (!mtd->owner && mtd->dev.parent->driver)
-+			mtd->owner = mtd->dev.parent->driver->owner;
-+		if (!mtd->name)
-+			mtd->name = dev_name(mtd->dev.parent);
-+	} else {
-+		pr_debug("mtd device won't show a device symlink in sysfs\n");
-+	}
-+}
- 
- /**
-  * mtd_device_parse_register - parse partitions and register an MTD device.
-@@ -584,27 +595,29 @@ int mtd_device_parse_register(struct mtd_info *mtd, const char * const *types,
+@@ -600,29 +605,29 @@
  			      const struct mtd_partition *parts,
  			      int nr_parts)
  {
 +	struct mtd_partitions parsed;
  	int ret;
 -	struct mtd_partition *real_parts = NULL;
--
+ 
+ 	mtd_set_dev_defaults(mtd);
+ 
 -	ret = parse_mtd_partitions(mtd, types, &real_parts, parser_data);
 -	if (ret <= 0 && nr_parts && parts) {
 -		real_parts = kmemdup(parts, sizeof(*parts) * nr_parts,
@@ -515,9 +463,7 @@ index 95c13b2..cbfa5ad 100644
 -	}
 -	/* Didn't come up with either parsed OR fallback partitions */
 -	if (ret < 0) {
-+
-+	mtd_set_dev_defaults(mtd);
-+
+-		pr_info("mtd: failed to find partitions; one or more parsers reports errors (%d)\n",
 +	memset(&parsed, 0, sizeof(parsed));
 +
 +	ret = parse_mtd_partitions(mtd, types, &parsed, parser_data);
@@ -529,7 +475,7 @@ index 95c13b2..cbfa5ad 100644
 +		};
 +	} else if (ret < 0) {
 +		/* Didn't come up with parsed OR fallback partitions */
- 		pr_info("mtd: failed to find partitions; one or more parsers reports errors (%d)\n",
++			pr_info("mtd: failed to find partitions; one or more parsers reports errors (%d)\n",
  			ret);
  		/* Don't abort on errors; we can still use unpartitioned MTD */
 -		ret = 0;
@@ -537,11 +483,11 @@ index 95c13b2..cbfa5ad 100644
  	}
  
 -	ret = mtd_add_device_partitions(mtd, real_parts, ret);
-+	ret = mtd_add_device_partitions(mtd, &parsed);
++	ret = mtd_add_device_partitions(mtd, ret);
  	if (ret)
  		goto out;
  
-@@ -624,7 +637,8 @@ int mtd_device_parse_register(struct mtd_info *mtd, const char * const *types,
+@@ -642,7 +647,8 @@
  	}
  
  out:
@@ -551,7 +497,15 @@ index 95c13b2..cbfa5ad 100644
  	return ret;
  }
  EXPORT_SYMBOL_GPL(mtd_device_parse_register);
-@@ -983,6 +997,366 @@ int mtd_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops)
+@@ -767,7 +773,6 @@
+ }
+ EXPORT_SYMBOL_GPL(get_mtd_device);
+ 
+-
+ int __get_mtd_device(struct mtd_info *mtd)
+ {
+ 	int err;
+@@ -1001,6 +1006,366 @@
  }
  EXPORT_SYMBOL_GPL(mtd_read_oob);
  
@@ -918,11 +872,9 @@ index 95c13b2..cbfa5ad 100644
  /*
   * Method to access the protection register area, present in some flash
   * devices. The user data is one time programmable but the factory data is read
-diff --git a/drivers/mtd/mtdcore.h b/drivers/mtd/mtdcore.h
-index 7b03533..55fdb8e 100644
 --- a/drivers/mtd/mtdcore.h
 +++ b/drivers/mtd/mtdcore.h
-@@ -10,10 +10,15 @@ int add_mtd_device(struct mtd_info *mtd);
+@@ -10,10 +10,15 @@
  int del_mtd_device(struct mtd_info *mtd);
  int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int);
  int del_mtd_partitions(struct mtd_info *);
@@ -939,11 +891,9 @@ index 7b03533..55fdb8e 100644
  int __init init_mtdchar(void);
  void __exit cleanup_mtdchar(void);
  
-diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
-index f8ba153..1f13e32 100644
 --- a/drivers/mtd/mtdpart.c
 +++ b/drivers/mtd/mtdpart.c
-@@ -48,9 +48,12 @@ struct mtd_part {
+@@ -55,9 +55,12 @@
  
  /*
   * Given a pointer to the MTD object in the mtd_part structure, we can retrieve
@@ -958,7 +908,7 @@ index f8ba153..1f13e32 100644
  
  
  /*
-@@ -61,7 +64,7 @@ struct mtd_part {
+@@ -68,7 +71,7 @@
  static int part_read(struct mtd_info *mtd, loff_t from, size_t len,
  		size_t *retlen, u_char *buf)
  {
@@ -967,7 +917,7 @@ index f8ba153..1f13e32 100644
  	struct mtd_ecc_stats stats;
  	int res;
  
-@@ -80,7 +83,7 @@ static int part_read(struct mtd_info *mtd, loff_t from, size_t len,
+@@ -87,7 +90,7 @@
  static int part_point(struct mtd_info *mtd, loff_t from, size_t len,
  		size_t *retlen, void **virt, resource_size_t *phys)
  {
@@ -976,7 +926,7 @@ index f8ba153..1f13e32 100644
  
  	return part->master->_point(part->master, from + part->offset, len,
  				    retlen, virt, phys);
-@@ -88,7 +91,7 @@ static int part_point(struct mtd_info *mtd, loff_t from, size_t len,
+@@ -95,7 +98,7 @@
  
  static int part_unpoint(struct mtd_info *mtd, loff_t from, size_t len)
  {
@@ -985,7 +935,7 @@ index f8ba153..1f13e32 100644
  
  	return part->master->_unpoint(part->master, from + part->offset, len);
  }
-@@ -98,7 +101,7 @@ static unsigned long part_get_unmapped_area(struct mtd_info *mtd,
+@@ -105,7 +108,7 @@
  					    unsigned long offset,
  					    unsigned long flags)
  {
@@ -994,7 +944,7 @@ index f8ba153..1f13e32 100644
  
  	offset += part->offset;
  	return part->master->_get_unmapped_area(part->master, len, offset,
-@@ -108,7 +111,7 @@ static unsigned long part_get_unmapped_area(struct mtd_info *mtd,
+@@ -115,7 +118,7 @@
  static int part_read_oob(struct mtd_info *mtd, loff_t from,
  		struct mtd_oob_ops *ops)
  {
@@ -1003,7 +953,7 @@ index f8ba153..1f13e32 100644
  	int res;
  
  	if (from >= mtd->size)
-@@ -123,10 +126,7 @@ static int part_read_oob(struct mtd_info *mtd, loff_t from,
+@@ -130,10 +133,7 @@
  	if (ops->oobbuf) {
  		size_t len, pages;
  
@@ -1015,7 +965,7 @@ index f8ba153..1f13e32 100644
  		pages = mtd_div_by_ws(mtd->size, mtd);
  		pages -= mtd_div_by_ws(from, mtd);
  		if (ops->ooboffs + ops->ooblen > pages * len)
-@@ -146,7 +146,7 @@ static int part_read_oob(struct mtd_info *mtd, loff_t from,
+@@ -153,7 +153,7 @@
  static int part_read_user_prot_reg(struct mtd_info *mtd, loff_t from,
  		size_t len, size_t *retlen, u_char *buf)
  {
@@ -1024,7 +974,7 @@ index f8ba153..1f13e32 100644
  	return part->master->_read_user_prot_reg(part->master, from, len,
  						 retlen, buf);
  }
-@@ -154,7 +154,7 @@ static int part_read_user_prot_reg(struct mtd_info *mtd, loff_t from,
+@@ -161,7 +161,7 @@
  static int part_get_user_prot_info(struct mtd_info *mtd, size_t len,
  				   size_t *retlen, struct otp_info *buf)
  {
@@ -1033,7 +983,7 @@ index f8ba153..1f13e32 100644
  	return part->master->_get_user_prot_info(part->master, len, retlen,
  						 buf);
  }
-@@ -162,7 +162,7 @@ static int part_get_user_prot_info(struct mtd_info *mtd, size_t len,
+@@ -169,7 +169,7 @@
  static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
  		size_t len, size_t *retlen, u_char *buf)
  {
@@ -1042,7 +992,7 @@ index f8ba153..1f13e32 100644
  	return part->master->_read_fact_prot_reg(part->master, from, len,
  						 retlen, buf);
  }
-@@ -170,7 +170,7 @@ static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from,
+@@ -177,7 +177,7 @@
  static int part_get_fact_prot_info(struct mtd_info *mtd, size_t len,
  				   size_t *retlen, struct otp_info *buf)
  {
@@ -1051,7 +1001,7 @@ index f8ba153..1f13e32 100644
  	return part->master->_get_fact_prot_info(part->master, len, retlen,
  						 buf);
  }
-@@ -178,7 +178,7 @@ static int part_get_fact_prot_info(struct mtd_info *mtd, size_t len,
+@@ -185,7 +185,7 @@
  static int part_write(struct mtd_info *mtd, loff_t to, size_t len,
  		size_t *retlen, const u_char *buf)
  {
@@ -1060,7 +1010,7 @@ index f8ba153..1f13e32 100644
  	return part->master->_write(part->master, to + part->offset, len,
  				    retlen, buf);
  }
-@@ -186,7 +186,7 @@ static int part_write(struct mtd_info *mtd, loff_t to, size_t len,
+@@ -193,7 +193,7 @@
  static int part_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
  		size_t *retlen, const u_char *buf)
  {
@@ -1069,7 +1019,7 @@ index f8ba153..1f13e32 100644
  	return part->master->_panic_write(part->master, to + part->offset, len,
  					  retlen, buf);
  }
-@@ -194,7 +194,7 @@ static int part_panic_write(struct mtd_info *mtd, loff_t to, size_t len,
+@@ -201,7 +201,7 @@
  static int part_write_oob(struct mtd_info *mtd, loff_t to,
  		struct mtd_oob_ops *ops)
  {
@@ -1078,7 +1028,7 @@ index f8ba153..1f13e32 100644
  
  	if (to >= mtd->size)
  		return -EINVAL;
-@@ -206,7 +206,7 @@ static int part_write_oob(struct mtd_info *mtd, loff_t to,
+@@ -213,7 +213,7 @@
  static int part_write_user_prot_reg(struct mtd_info *mtd, loff_t from,
  		size_t len, size_t *retlen, u_char *buf)
  {
@@ -1087,7 +1037,7 @@ index f8ba153..1f13e32 100644
  	return part->master->_write_user_prot_reg(part->master, from, len,
  						  retlen, buf);
  }
-@@ -214,21 +214,21 @@ static int part_write_user_prot_reg(struct mtd_info *mtd, loff_t from,
+@@ -221,21 +221,21 @@
  static int part_lock_user_prot_reg(struct mtd_info *mtd, loff_t from,
  		size_t len)
  {
@@ -1111,17 +1061,17 @@ index f8ba153..1f13e32 100644
 +	struct mtd_part *part = mtd_to_part(mtd);
  	int ret;
  
- 	instr->addr += part->offset;
-@@ -244,7 +244,7 @@ static int part_erase(struct mtd_info *mtd, struct erase_info *instr)
+ 
+@@ -299,7 +299,7 @@
  void mtd_erase_callback(struct erase_info *instr)
  {
  	if (instr->mtd->_erase == part_erase) {
 -		struct mtd_part *part = PART(instr->mtd);
 +		struct mtd_part *part = mtd_to_part(instr->mtd);
+ 		size_t wrlen = 0;
  
- 		if (instr->fail_addr != MTD_FAIL_ADDR_UNKNOWN)
- 			instr->fail_addr -= part->offset;
-@@ -257,57 +257,57 @@ EXPORT_SYMBOL_GPL(mtd_erase_callback);
+ 		if (instr->mtd->flags & MTD_ERASE_PARTIAL) {
+@@ -330,13 +330,13 @@
  
  static int part_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
  {
@@ -1134,8 +1084,10 @@ index f8ba153..1f13e32 100644
  {
 -	struct mtd_part *part = PART(mtd);
 +	struct mtd_part *part = mtd_to_part(mtd);
- 	return part->master->_unlock(part->master, ofs + part->offset, len);
- }
+ 
+ 	ofs += part->offset;
+ 	if (mtd->flags & MTD_ERASE_PARTIAL) {
+@@ -349,45 +349,45 @@
  
  static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
  {
@@ -1188,7 +1140,7 @@ index f8ba153..1f13e32 100644
  	int res;
  
  	ofs += part->offset;
-@@ -317,6 +317,27 @@ static int part_block_markbad(struct mtd_info *mtd, loff_t ofs)
+@@ -397,6 +397,27 @@
  	return res;
  }
  
@@ -1216,8 +1168,8 @@ index f8ba153..1f13e32 100644
  static inline void free_partition(struct mtd_part *p)
  {
  	kfree(p->mtd.name);
-@@ -533,7 +554,7 @@ static struct mtd_part *allocate_partition(struct mtd_info *master,
- 			part->name);
+@@ -614,7 +635,7 @@
+ 			slave->mtd.erasesize = slave->mtd.size;
  	}
  
 -	slave->mtd.ecclayout = master->ecclayout;
@@ -1225,7 +1177,7 @@ index f8ba153..1f13e32 100644
  	slave->mtd.ecc_step_size = master->ecc_step_size;
  	slave->mtd.ecc_strength = master->ecc_strength;
  	slave->mtd.bitflip_threshold = master->bitflip_threshold;
-@@ -558,7 +579,7 @@ static ssize_t mtd_partition_offset_show(struct device *dev,
+@@ -639,7 +660,7 @@
  		struct device_attribute *attr, char *buf)
  {
  	struct mtd_info *mtd = dev_get_drvdata(dev);
@@ -1234,7 +1186,7 @@ index f8ba153..1f13e32 100644
  	return snprintf(buf, PAGE_SIZE, "%lld\n", part->offset);
  }
  
-@@ -596,11 +617,10 @@ int mtd_add_partition(struct mtd_info *master, const char *name,
+@@ -677,11 +698,10 @@
  	if (length <= 0)
  		return -EINVAL;
  
@@ -1247,7 +1199,7 @@ index f8ba153..1f13e32 100644
  
  	new = allocate_partition(master, &part, -1, offset);
  	if (IS_ERR(new))
-@@ -685,7 +705,7 @@ int add_mtd_partitions(struct mtd_info *master,
+@@ -845,7 +865,7 @@
  static DEFINE_SPINLOCK(part_parser_lock);
  static LIST_HEAD(part_parsers);
  
@@ -1256,7 +1208,7 @@ index f8ba153..1f13e32 100644
  {
  	struct mtd_part_parser *p, *ret = NULL;
  
-@@ -702,15 +722,35 @@ static struct mtd_part_parser *get_partition_parser(const char *name)
+@@ -862,7 +882,20 @@
  	return ret;
  }
  
@@ -1276,9 +1228,25 @@ index f8ba153..1f13e32 100644
 +	kfree(pparts);
 +}
  
+ static struct mtd_part_parser *
+ get_partition_parser_by_type(enum mtd_parser_type type,
+@@ -874,7 +907,7 @@
+ 
+ 	p = list_prepare_entry(start, &part_parsers, list);
+ 	if (start)
+-		put_partition_parser(start);
++		mtd_part_parser_put(start);
+ 
+ 	list_for_each_entry_continue(p, &part_parsers, list) {
+ 		if (p->type == type && try_module_get(p->owner)) {
+@@ -888,13 +921,19 @@
+ 	return ret;
+ }
+ 
 -void register_mtd_parser(struct mtd_part_parser *p)
+-{
 +int __register_mtd_parser(struct mtd_part_parser *p, struct module *owner)
- {
++ {
 +	p->owner = owner;
 +
 +	if (!p->cleanup)
@@ -1287,7 +1255,6 @@ index f8ba153..1f13e32 100644
  	spin_lock(&part_parser_lock);
  	list_add(&p->list, &part_parsers);
  	spin_unlock(&part_parser_lock);
-+
 +	return 0;
  }
 -EXPORT_SYMBOL_GPL(register_mtd_parser);
@@ -1295,7 +1262,7 @@ index f8ba153..1f13e32 100644
  
  void deregister_mtd_parser(struct mtd_part_parser *p)
  {
-@@ -734,7 +774,7 @@ static const char * const default_mtd_part_types[] = {
+@@ -954,7 +993,7 @@
   * parse_mtd_partitions - parse MTD partitions
   * @master: the master partition (describes whole MTD device)
   * @types: names of partition parsers to try or %NULL
@@ -1304,7 +1271,7 @@ index f8ba153..1f13e32 100644
   * @data: MTD partition parser-specific data
   *
   * This function tries to find partition on MTD device @master. It uses MTD
-@@ -746,12 +786,13 @@ static const char * const default_mtd_part_types[] = {
+@@ -966,45 +1005,42 @@
   *
   * This function may return:
   * o a negative error code in case of failure
@@ -1322,7 +1289,17 @@ index f8ba153..1f13e32 100644
  			 struct mtd_part_parser_data *data)
  {
  	struct mtd_part_parser *parser;
-@@ -762,22 +803,24 @@ int parse_mtd_partitions(struct mtd_info *master, const char *const *types,
+ 	int ret, err = 0;
+ 	const char *const *types_of = NULL;
+ 
+-	if (data && data->of_node) {
+-		types_of = of_get_probes(data->of_node);
+-		if (types_of != NULL)
+-			types = types_of;
+-	}
+-
+ 	if (!types)
+ 		types = default_mtd_part_types;
  
  	for ( ; *types; types++) {
  		pr_debug("%s: parsing partitions %s\n", master->name, *types);
@@ -1352,9 +1329,18 @@ index f8ba153..1f13e32 100644
  		/*
  		 * Stash the first error we see; only report it if no parser
  		 * succeeds
-@@ -788,6 +831,22 @@ int parse_mtd_partitions(struct mtd_info *master, const char *const *types,
- 	return err;
+@@ -1034,7 +1070,7 @@
+ 		ret = (*parser->parse_fn)(master, pparts, data);
+ 
+ 		if (ret > 0) {
+-			put_partition_parser(parser);
++			mtd_part_parser_put(parser);
+ 			printk(KERN_NOTICE
+ 			       "%d %s partitions found on MTD device %s\n",
+ 			       ret, parser->name, master->name);
+@@ -1048,6 +1084,22 @@
  }
+ EXPORT_SYMBOL_GPL(parse_mtd_partitions_by_type);
  
 +void mtd_part_parser_cleanup(struct mtd_partitions *parts)
 +{
@@ -1375,7 +1361,25 @@ index f8ba153..1f13e32 100644
  int mtd_is_partition(const struct mtd_info *mtd)
  {
  	struct mtd_part *part;
-@@ -811,6 +870,6 @@ uint64_t mtd_get_device_size(const struct mtd_info *mtd)
+@@ -1070,7 +1122,7 @@
+ 	if (!mtd_is_partition(mtd))
+ 		return (struct mtd_info *)mtd;
+ 
+-	return PART(mtd)->master;
++	return mtd_to_part(mtd)->master;
+ }
+ EXPORT_SYMBOL_GPL(mtdpart_get_master);
+ 
+@@ -1079,7 +1131,7 @@
+ 	if (!mtd_is_partition(mtd))
+ 		return 0;
+ 
+-	return PART(mtd)->offset;
++	return mtd_to_part(mtd)->offset;
+ }
+ EXPORT_SYMBOL_GPL(mtdpart_get_offset);
+ 
+@@ -1089,6 +1141,6 @@
  	if (!mtd_is_partition(mtd))
  		return mtd->size;
  
@@ -1383,11 +1387,9 @@ index f8ba153..1f13e32 100644
 +	return mtd_to_part(mtd)->master->size;
  }
  EXPORT_SYMBOL_GPL(mtd_get_device_size);
-diff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c
-index fc8b3d1..cb06bdd 100644
 --- a/drivers/mtd/mtdswap.c
 +++ b/drivers/mtd/mtdswap.c
-@@ -346,7 +346,7 @@ static int mtdswap_read_markers(struct mtdswap_dev *d, struct swap_eb *eb)
+@@ -346,7 +346,7 @@
  	if (mtd_can_have_bb(d->mtd) && mtd_block_isbad(d->mtd, offset))
  		return MTDSWAP_SCANNED_BAD;
  
@@ -1396,7 +1398,7 @@ index fc8b3d1..cb06bdd 100644
  	ops.oobbuf = d->oob_buf;
  	ops.ooboffs = 0;
  	ops.datbuf = NULL;
-@@ -359,7 +359,7 @@ static int mtdswap_read_markers(struct mtdswap_dev *d, struct swap_eb *eb)
+@@ -359,7 +359,7 @@
  
  	data = (struct mtdswap_oobdata *)d->oob_buf;
  	data2 = (struct mtdswap_oobdata *)
@@ -1405,7 +1407,7 @@ index fc8b3d1..cb06bdd 100644
  
  	if (le16_to_cpu(data->magic) == MTDSWAP_MAGIC_CLEAN) {
  		eb->erase_count = le32_to_cpu(data->count);
-@@ -933,7 +933,7 @@ static unsigned int mtdswap_eblk_passes(struct mtdswap_dev *d,
+@@ -933,7 +933,7 @@
  
  	ops.mode = MTD_OPS_AUTO_OOB;
  	ops.len = mtd->writesize;
@@ -1414,7 +1416,7 @@ index fc8b3d1..cb06bdd 100644
  	ops.ooboffs = 0;
  	ops.datbuf = d->page_buf;
  	ops.oobbuf = d->oob_buf;
-@@ -945,7 +945,7 @@ static unsigned int mtdswap_eblk_passes(struct mtdswap_dev *d,
+@@ -945,7 +945,7 @@
  		for (i = 0; i < mtd_pages; i++) {
  			patt = mtdswap_test_patt(test + i);
  			memset(d->page_buf, patt, mtd->writesize);
@@ -1423,7 +1425,7 @@ index fc8b3d1..cb06bdd 100644
  			ret = mtd_write_oob(mtd, pos, &ops);
  			if (ret)
  				goto error;
-@@ -964,7 +964,7 @@ static unsigned int mtdswap_eblk_passes(struct mtdswap_dev *d,
+@@ -964,7 +964,7 @@
  				if (p1[j] != patt)
  					goto error;
  
@@ -1432,7 +1434,7 @@ index fc8b3d1..cb06bdd 100644
  				if (p2[j] != (unsigned char)patt)
  					goto error;
  
-@@ -1387,7 +1387,7 @@ static int mtdswap_init(struct mtdswap_dev *d, unsigned int eblocks,
+@@ -1387,7 +1387,7 @@
  	if (!d->page_buf)
  		goto page_buf_fail;
  
@@ -1441,7 +1443,7 @@ index fc8b3d1..cb06bdd 100644
  	if (!d->oob_buf)
  		goto oob_buf_fail;
  
-@@ -1417,7 +1417,6 @@ static void mtdswap_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
+@@ -1417,7 +1417,6 @@
  	unsigned long part;
  	unsigned int eblocks, eavailable, bad_blocks, spare_cnt;
  	uint64_t swap_size, use_size, size_limit;
@@ -1449,7 +1451,7 @@ index fc8b3d1..cb06bdd 100644
  	int ret;
  
  	parts = &partitions[0];
-@@ -1447,17 +1446,10 @@ static void mtdswap_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd)
+@@ -1447,17 +1446,10 @@
  		return;
  	}
  
@@ -1469,11 +1471,9 @@ index fc8b3d1..cb06bdd 100644
  		return;
  	}
  
-diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
-index 2896640..f05e0e9 100644
 --- a/drivers/mtd/nand/Kconfig
 +++ b/drivers/mtd/nand/Kconfig
-@@ -55,7 +55,7 @@ config MTD_NAND_DENALI_PCI
+@@ -55,7 +55,7 @@
  config MTD_NAND_DENALI_DT
  	tristate "Support Denali NAND controller as a DT device"
  	select MTD_NAND_DENALI
@@ -1482,7 +1482,7 @@ index 2896640..f05e0e9 100644
  	help
  	  Enable the driver for NAND flash on platforms using a Denali NAND
  	  controller as a DT device.
-@@ -74,6 +74,7 @@ config MTD_NAND_DENALI_SCRATCH_REG_ADDR
+@@ -74,6 +74,7 @@
  config MTD_NAND_GPIO
  	tristate "GPIO assisted NAND Flash driver"
  	depends on GPIOLIB || COMPILE_TEST
@@ -1490,7 +1490,7 @@ index 2896640..f05e0e9 100644
  	help
  	  This enables a NAND flash driver where control signals are
  	  connected to GPIO pins, and commands and data are communicated
-@@ -310,6 +311,7 @@ config MTD_NAND_CAFE
+@@ -310,6 +311,7 @@
  config MTD_NAND_CS553X
  	tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)"
  	depends on X86_32
@@ -1498,7 +1498,7 @@ index 2896640..f05e0e9 100644
  	help
  	  The CS553x companion chips for the AMD Geode processor
  	  include NAND flash controllers with built-in hardware ECC
-@@ -463,6 +465,7 @@ config MTD_NAND_MPC5121_NFC
+@@ -463,6 +465,7 @@
  config MTD_NAND_VF610_NFC
  	tristate "Support for Freescale NFC for VF610/MPC5125"
  	depends on (SOC_VF610 || COMPILE_TEST)
@@ -1506,7 +1506,7 @@ index 2896640..f05e0e9 100644
  	help
  	  Enables support for NAND Flash Controller on some Freescale
  	  processors like the VF610, MPC5125, MCF54418 or Kinetis K70.
-@@ -480,7 +483,7 @@ config MTD_NAND_MXC
+@@ -480,7 +483,7 @@
  
  config MTD_NAND_SH_FLCTL
  	tristate "Support for NAND on Renesas SuperH FLCTL"
@@ -1515,7 +1515,7 @@ index 2896640..f05e0e9 100644
  	depends on HAS_IOMEM
  	depends on HAS_DMA
  	help
-@@ -519,6 +522,13 @@ config MTD_NAND_JZ4740
+@@ -519,6 +522,13 @@
  	help
  		Enables support for NAND Flash on JZ4740 SoC based boards.
  
@@ -1529,7 +1529,7 @@ index 2896640..f05e0e9 100644
  config MTD_NAND_FSMC
  	tristate "Support for NAND on ST Micros FSMC"
  	depends on PLAT_SPEAR || ARCH_NOMADIK || ARCH_U8500 || MACH_U300
-@@ -546,4 +556,11 @@ config MTD_NAND_HISI504
+@@ -546,4 +556,11 @@
  	help
  	  Enables support for NAND controller on Hisilicon SoC Hip04.
  
@@ -1541,11 +1541,9 @@ index 2896640..f05e0e9 100644
 +	  controller. This controller is found on IPQ806x SoC.
 +
  endif # MTD_NAND
-diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
-index 2c7f014..f553353 100644
 --- a/drivers/mtd/nand/Makefile
 +++ b/drivers/mtd/nand/Makefile
-@@ -49,11 +49,13 @@ obj-$(CONFIG_MTD_NAND_MPC5121_NFC)	+= mpc5121_nfc.o
+@@ -49,11 +49,13 @@
  obj-$(CONFIG_MTD_NAND_VF610_NFC)	+= vf610_nfc.o
  obj-$(CONFIG_MTD_NAND_RICOH)		+= r852.o
  obj-$(CONFIG_MTD_NAND_JZ4740)		+= jz4740_nand.o
@@ -1559,8 +1557,6 @@ index 2c7f014..f553353 100644
 +obj-$(CONFIG_MTD_NAND_QCOM)		+= qcom_nandc.o
  
  nand-objs := nand_base.o nand_bbt.o nand_timings.o
-diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
-index ece544e..cf0c3180 100644
 --- a/drivers/mtd/nand/nand_base.c
 +++ b/drivers/mtd/nand/nand_base.c
 @@ -48,50 +48,6 @@
@@ -1614,7 +1610,7 @@ index ece544e..cf0c3180 100644
  static int nand_get_device(struct mtd_info *mtd, int new_state);
  
  static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
-@@ -103,10 +59,96 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
+@@ -103,10 +59,96 @@
   */
  DEFINE_LED_TRIGGER(nand_led_trigger);
  
@@ -1712,7 +1708,7 @@ index ece544e..cf0c3180 100644
  	int ret = 0;
  
  	/* Start address must align on block boundary */
-@@ -132,7 +174,7 @@ static int check_offs_len(struct mtd_info *mtd,
+@@ -132,7 +174,7 @@
   */
  static void nand_release_device(struct mtd_info *mtd)
  {
@@ -1721,7 +1717,7 @@ index ece544e..cf0c3180 100644
  
  	/* Release the controller and the chip */
  	spin_lock(&chip->controller->lock);
-@@ -150,7 +192,7 @@ static void nand_release_device(struct mtd_info *mtd)
+@@ -150,7 +192,7 @@
   */
  static uint8_t nand_read_byte(struct mtd_info *mtd)
  {
@@ -1730,7 +1726,7 @@ index ece544e..cf0c3180 100644
  	return readb(chip->IO_ADDR_R);
  }
  
-@@ -163,7 +205,7 @@ static uint8_t nand_read_byte(struct mtd_info *mtd)
+@@ -163,7 +205,7 @@
   */
  static uint8_t nand_read_byte16(struct mtd_info *mtd)
  {
@@ -1739,7 +1735,7 @@ index ece544e..cf0c3180 100644
  	return (uint8_t) cpu_to_le16(readw(chip->IO_ADDR_R));
  }
  
-@@ -175,7 +217,7 @@ static uint8_t nand_read_byte16(struct mtd_info *mtd)
+@@ -175,7 +217,7 @@
   */
  static u16 nand_read_word(struct mtd_info *mtd)
  {
@@ -1748,7 +1744,7 @@ index ece544e..cf0c3180 100644
  	return readw(chip->IO_ADDR_R);
  }
  
-@@ -188,7 +230,7 @@ static u16 nand_read_word(struct mtd_info *mtd)
+@@ -188,7 +230,7 @@
   */
  static void nand_select_chip(struct mtd_info *mtd, int chipnr)
  {
@@ -1757,7 +1753,7 @@ index ece544e..cf0c3180 100644
  
  	switch (chipnr) {
  	case -1:
-@@ -211,7 +253,7 @@ static void nand_select_chip(struct mtd_info *mtd, int chipnr)
+@@ -211,7 +253,7 @@
   */
  static void nand_write_byte(struct mtd_info *mtd, uint8_t byte)
  {
@@ -1766,7 +1762,7 @@ index ece544e..cf0c3180 100644
  
  	chip->write_buf(mtd, &byte, 1);
  }
-@@ -225,7 +267,7 @@ static void nand_write_byte(struct mtd_info *mtd, uint8_t byte)
+@@ -225,7 +267,7 @@
   */
  static void nand_write_byte16(struct mtd_info *mtd, uint8_t byte)
  {
@@ -1775,7 +1771,7 @@ index ece544e..cf0c3180 100644
  	uint16_t word = byte;
  
  	/*
-@@ -257,7 +299,7 @@ static void nand_write_byte16(struct mtd_info *mtd, uint8_t byte)
+@@ -257,7 +299,7 @@
   */
  static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
  {
@@ -1784,7 +1780,7 @@ index ece544e..cf0c3180 100644
  
  	iowrite8_rep(chip->IO_ADDR_W, buf, len);
  }
-@@ -272,7 +314,7 @@ static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len)
+@@ -272,7 +314,7 @@
   */
  static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
  {
@@ -1793,7 +1789,7 @@ index ece544e..cf0c3180 100644
  
  	ioread8_rep(chip->IO_ADDR_R, buf, len);
  }
-@@ -287,7 +329,7 @@ static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
+@@ -287,7 +329,7 @@
   */
  static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len)
  {
@@ -1802,7 +1798,7 @@ index ece544e..cf0c3180 100644
  	u16 *p = (u16 *) buf;
  
  	iowrite16_rep(chip->IO_ADDR_W, p, len >> 1);
-@@ -303,7 +345,7 @@ static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len)
+@@ -303,7 +345,7 @@
   */
  static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len)
  {
@@ -1811,7 +1807,7 @@ index ece544e..cf0c3180 100644
  	u16 *p = (u16 *) buf;
  
  	ioread16_rep(chip->IO_ADDR_R, p, len >> 1);
-@@ -313,14 +355,13 @@ static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len)
+@@ -313,14 +355,13 @@
   * nand_block_bad - [DEFAULT] Read bad block marker from the chip
   * @mtd: MTD device structure
   * @ofs: offset from device start
@@ -1829,7 +1825,7 @@ index ece544e..cf0c3180 100644
  	u16 bad;
  
  	if (chip->bbt_options & NAND_BBT_SCANLASTPAGE)
-@@ -328,15 +369,6 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
+@@ -328,15 +369,6 @@
  
  	page = (int)(ofs >> chip->page_shift) & chip->pagemask;
  
@@ -1845,7 +1841,7 @@ index ece544e..cf0c3180 100644
  	do {
  		if (chip->options & NAND_BUSWIDTH_16) {
  			chip->cmdfunc(mtd, NAND_CMD_READOOB,
-@@ -361,11 +393,6 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
+@@ -361,11 +393,6 @@
  		i++;
  	} while (!res && i < 2 && (chip->bbt_options & NAND_BBT_SCAN2NDPAGE));
  
@@ -1857,7 +1853,7 @@ index ece544e..cf0c3180 100644
  	return res;
  }
  
-@@ -380,7 +407,7 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
+@@ -380,7 +407,7 @@
   */
  static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
  {
@@ -1866,7 +1862,7 @@ index ece544e..cf0c3180 100644
  	struct mtd_oob_ops ops;
  	uint8_t buf[2] = { 0, 0 };
  	int ret = 0, res, i = 0;
-@@ -430,7 +457,7 @@ static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs)
+@@ -430,7 +457,7 @@
  */
  static int nand_block_markbad_lowlevel(struct mtd_info *mtd, loff_t ofs)
  {
@@ -1875,7 +1871,7 @@ index ece544e..cf0c3180 100644
  	int res, ret = 0;
  
  	if (!(chip->bbt_options & NAND_BBT_NO_OOB_BBM)) {
-@@ -471,7 +498,7 @@ static int nand_block_markbad_lowlevel(struct mtd_info *mtd, loff_t ofs)
+@@ -471,7 +498,7 @@
   */
  static int nand_check_wp(struct mtd_info *mtd)
  {
@@ -1884,7 +1880,7 @@ index ece544e..cf0c3180 100644
  
  	/* Broken xD cards report WP despite being writable */
  	if (chip->options & NAND_BROKEN_XD)
-@@ -491,7 +518,7 @@ static int nand_check_wp(struct mtd_info *mtd)
+@@ -491,7 +518,7 @@
   */
  static int nand_block_isreserved(struct mtd_info *mtd, loff_t ofs)
  {
@@ -1893,7 +1889,7 @@ index ece544e..cf0c3180 100644
  
  	if (!chip->bbt)
  		return 0;
-@@ -503,19 +530,17 @@ static int nand_block_isreserved(struct mtd_info *mtd, loff_t ofs)
+@@ -503,19 +530,17 @@
   * nand_block_checkbad - [GENERIC] Check if a block is marked bad
   * @mtd: MTD device structure
   * @ofs: offset from device start
@@ -1916,7 +1912,7 @@ index ece544e..cf0c3180 100644
  
  	/* Return info from the table */
  	return nand_isbad_bbt(mtd, ofs, allowbbt);
-@@ -531,7 +556,7 @@ static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip,
+@@ -531,7 +556,7 @@
   */
  static void panic_nand_wait_ready(struct mtd_info *mtd, unsigned long timeo)
  {
@@ -1925,7 +1921,7 @@ index ece544e..cf0c3180 100644
  	int i;
  
  	/* Wait for the device to get ready */
-@@ -551,7 +576,7 @@ static void panic_nand_wait_ready(struct mtd_info *mtd, unsigned long timeo)
+@@ -551,7 +576,7 @@
   */
  void nand_wait_ready(struct mtd_info *mtd)
  {
@@ -1934,7 +1930,7 @@ index ece544e..cf0c3180 100644
  	unsigned long timeo = 400;
  
  	if (in_interrupt() || oops_in_progress)
-@@ -566,8 +591,8 @@ void nand_wait_ready(struct mtd_info *mtd)
+@@ -566,8 +591,8 @@
  		cond_resched();
  	} while (time_before(jiffies, timeo));
  
@@ -1945,7 +1941,7 @@ index ece544e..cf0c3180 100644
  out:
  	led_trigger_event(nand_led_trigger, LED_OFF);
  }
-@@ -582,7 +607,7 @@ EXPORT_SYMBOL_GPL(nand_wait_ready);
+@@ -582,7 +607,7 @@
   */
  static void nand_wait_status_ready(struct mtd_info *mtd, unsigned long timeo)
  {
@@ -1954,7 +1950,7 @@ index ece544e..cf0c3180 100644
  
  	timeo = jiffies + msecs_to_jiffies(timeo);
  	do {
-@@ -605,7 +630,7 @@ static void nand_wait_status_ready(struct mtd_info *mtd, unsigned long timeo)
+@@ -605,7 +630,7 @@
  static void nand_command(struct mtd_info *mtd, unsigned int command,
  			 int column, int page_addr)
  {
@@ -1963,7 +1959,7 @@ index ece544e..cf0c3180 100644
  	int ctrl = NAND_CTRL_CLE | NAND_CTRL_CHANGE;
  
  	/* Write out the command to the device */
-@@ -708,7 +733,7 @@ static void nand_command(struct mtd_info *mtd, unsigned int command,
+@@ -708,7 +733,7 @@
  static void nand_command_lp(struct mtd_info *mtd, unsigned int command,
  			    int column, int page_addr)
  {
@@ -1972,7 +1968,7 @@ index ece544e..cf0c3180 100644
  
  	/* Emulate NAND_CMD_READOOB */
  	if (command == NAND_CMD_READOOB) {
-@@ -832,7 +857,7 @@ static void panic_nand_get_device(struct nand_chip *chip,
+@@ -832,7 +857,7 @@
  static int
  nand_get_device(struct mtd_info *mtd, int new_state)
  {
@@ -1981,7 +1977,7 @@ index ece544e..cf0c3180 100644
  	spinlock_t *lock = &chip->controller->lock;
  	wait_queue_head_t *wq = &chip->controller->wq;
  	DECLARE_WAITQUEUE(wait, current);
-@@ -952,7 +977,7 @@ static int __nand_unlock(struct mtd_info *mtd, loff_t ofs,
+@@ -952,7 +977,7 @@
  {
  	int ret = 0;
  	int status, page;
@@ -1990,7 +1986,7 @@ index ece544e..cf0c3180 100644
  
  	/* Submit address of first page to unlock */
  	page = ofs >> chip->page_shift;
-@@ -987,7 +1012,7 @@ int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+@@ -987,7 +1012,7 @@
  {
  	int ret = 0;
  	int chipnr;
@@ -1999,7 +1995,7 @@ index ece544e..cf0c3180 100644
  
  	pr_debug("%s: start = 0x%012llx, len = %llu\n",
  			__func__, (unsigned long long)ofs, len);
-@@ -1050,7 +1075,7 @@ int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+@@ -1050,7 +1075,7 @@
  {
  	int ret = 0;
  	int chipnr, status, page;
@@ -2008,7 +2004,7 @@ index ece544e..cf0c3180 100644
  
  	pr_debug("%s: start = 0x%012llx, len = %llu\n",
  			__func__, (unsigned long long)ofs, len);
-@@ -1309,13 +1334,12 @@ static int nand_read_page_raw_syndrome(struct mtd_info *mtd,
+@@ -1309,13 +1334,12 @@
  static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
  				uint8_t *buf, int oob_required, int page)
  {
@@ -2023,7 +2019,7 @@ index ece544e..cf0c3180 100644
  	unsigned int max_bitflips = 0;
  
  	chip->ecc.read_page_raw(mtd, chip, buf, 1, page);
-@@ -1323,8 +1347,10 @@ static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1323,8 +1347,10 @@
  	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize)
  		chip->ecc.calculate(mtd, p, &ecc_calc[i]);
  
@@ -2036,7 +2032,7 @@ index ece544e..cf0c3180 100644
  
  	eccsteps = chip->ecc.steps;
  	p = buf;
-@@ -1356,14 +1382,14 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1356,14 +1382,14 @@
  			uint32_t data_offs, uint32_t readlen, uint8_t *bufpoi,
  			int page)
  {
@@ -2054,7 +2050,7 @@ index ece544e..cf0c3180 100644
  
  	/* Column address within the page aligned to ECC size (256bytes) */
  	start_step = data_offs / chip->ecc.size;
-@@ -1391,12 +1417,13 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1391,12 +1417,13 @@
  	 * The performance is faster if we position offsets according to
  	 * ecc.pos. Let's make sure that there are no gaps in ECC positions.
  	 */
@@ -2074,7 +2070,7 @@ index ece544e..cf0c3180 100644
  	if (gaps) {
  		chip->cmdfunc(mtd, NAND_CMD_RNDOUT, mtd->writesize, -1);
  		chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
-@@ -1405,20 +1432,23 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1405,20 +1432,23 @@
  		 * Send the command to read the particular ECC bytes take care
  		 * about buswidth alignment in read_buf.
  		 */
@@ -2104,7 +2100,7 @@ index ece544e..cf0c3180 100644
  
  	p = bufpoi + data_col_addr;
  	for (i = 0; i < eccfrag_len ; i += chip->ecc.bytes, p += chip->ecc.size) {
-@@ -1426,6 +1456,16 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1426,6 +1456,16 @@
  
  		stat = chip->ecc.correct(mtd, p,
  			&chip->buffers->ecccode[i], &chip->buffers->ecccalc[i]);
@@ -2121,7 +2117,7 @@ index ece544e..cf0c3180 100644
  		if (stat < 0) {
  			mtd->ecc_stats.failed++;
  		} else {
-@@ -1449,13 +1489,12 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1449,13 +1489,12 @@
  static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
  				uint8_t *buf, int oob_required, int page)
  {
@@ -2136,7 +2132,7 @@ index ece544e..cf0c3180 100644
  	unsigned int max_bitflips = 0;
  
  	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
-@@ -1465,8 +1504,10 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1465,8 +1504,10 @@
  	}
  	chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
  
@@ -2149,7 +2145,7 @@ index ece544e..cf0c3180 100644
  
  	eccsteps = chip->ecc.steps;
  	p = buf;
-@@ -1475,6 +1516,15 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1475,6 +1516,15 @@
  		int stat;
  
  		stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]);
@@ -2165,7 +2161,7 @@ index ece544e..cf0c3180 100644
  		if (stat < 0) {
  			mtd->ecc_stats.failed++;
  		} else {
-@@ -1502,12 +1552,11 @@ static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1502,12 +1552,11 @@
  static int nand_read_page_hwecc_oob_first(struct mtd_info *mtd,
  	struct nand_chip *chip, uint8_t *buf, int oob_required, int page)
  {
@@ -2179,7 +2175,7 @@ index ece544e..cf0c3180 100644
  	uint8_t *ecc_calc = chip->buffers->ecccalc;
  	unsigned int max_bitflips = 0;
  
-@@ -1516,8 +1565,10 @@ static int nand_read_page_hwecc_oob_first(struct mtd_info *mtd,
+@@ -1516,8 +1565,10 @@
  	chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
  	chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page);
  
@@ -2192,7 +2188,7 @@ index ece544e..cf0c3180 100644
  
  	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
  		int stat;
-@@ -1527,6 +1578,15 @@ static int nand_read_page_hwecc_oob_first(struct mtd_info *mtd,
+@@ -1527,6 +1578,15 @@
  		chip->ecc.calculate(mtd, p, &ecc_calc[i]);
  
  		stat = chip->ecc.correct(mtd, p, &ecc_code[i], NULL);
@@ -2208,7 +2204,7 @@ index ece544e..cf0c3180 100644
  		if (stat < 0) {
  			mtd->ecc_stats.failed++;
  		} else {
-@@ -1554,6 +1614,7 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1554,6 +1614,7 @@
  	int i, eccsize = chip->ecc.size;
  	int eccbytes = chip->ecc.bytes;
  	int eccsteps = chip->ecc.steps;
@@ -2216,7 +2212,7 @@ index ece544e..cf0c3180 100644
  	uint8_t *p = buf;
  	uint8_t *oob = chip->oob_poi;
  	unsigned int max_bitflips = 0;
-@@ -1573,19 +1634,29 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1573,19 +1634,29 @@
  		chip->read_buf(mtd, oob, eccbytes);
  		stat = chip->ecc.correct(mtd, p, oob, NULL);
  
@@ -2253,7 +2249,7 @@ index ece544e..cf0c3180 100644
  	}
  
  	/* Calculate remaining oob bytes */
-@@ -1598,14 +1669,17 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -1598,14 +1669,17 @@
  
  /**
   * nand_transfer_oob - [INTERN] Transfer oob to client buffer
@@ -2273,7 +2269,7 @@ index ece544e..cf0c3180 100644
  	switch (ops->mode) {
  
  	case MTD_OPS_PLACE_OOB:
-@@ -1613,31 +1687,12 @@ static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob,
+@@ -1613,31 +1687,12 @@
  		memcpy(oob, chip->oob_poi + ops->ooboffs, len);
  		return oob + len;
  
@@ -2311,7 +2307,7 @@ index ece544e..cf0c3180 100644
  	default:
  		BUG();
  	}
-@@ -1655,7 +1710,7 @@ static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob,
+@@ -1655,7 +1710,7 @@
   */
  static int nand_setup_read_retry(struct mtd_info *mtd, int retry_mode)
  {
@@ -2320,7 +2316,7 @@ index ece544e..cf0c3180 100644
  
  	pr_debug("setting READ RETRY mode %d\n", retry_mode);
  
-@@ -1680,12 +1735,11 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from,
+@@ -1680,12 +1735,11 @@
  			    struct mtd_oob_ops *ops)
  {
  	int chipnr, page, realpage, col, bytes, aligned, oob_required;
@@ -2335,7 +2331,7 @@ index ece544e..cf0c3180 100644
  
  	uint8_t *bufpoi, *oob, *buf;
  	int use_bufpoi;
-@@ -1772,7 +1826,7 @@ read_retry:
+@@ -1772,7 +1826,7 @@
  				int toread = min(oobreadlen, max_oobsize);
  
  				if (toread) {
@@ -2344,7 +2340,7 @@ index ece544e..cf0c3180 100644
  						oob, ops, toread);
  					oobreadlen -= toread;
  				}
-@@ -2024,7 +2078,7 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
+@@ -2024,7 +2078,7 @@
  			    struct mtd_oob_ops *ops)
  {
  	int page, realpage, chipnr;
@@ -2353,7 +2349,7 @@ index ece544e..cf0c3180 100644
  	struct mtd_ecc_stats stats;
  	int readlen = ops->ooblen;
  	int len;
-@@ -2036,10 +2090,7 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
+@@ -2036,10 +2090,7 @@
  
  	stats = mtd->ecc_stats;
  
@@ -2365,7 +2361,7 @@ index ece544e..cf0c3180 100644
  
  	if (unlikely(ops->ooboffs >= len)) {
  		pr_debug("%s: attempt to start read outside oob\n",
-@@ -2073,7 +2124,7 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from,
+@@ -2073,7 +2124,7 @@
  			break;
  
  		len = min(len, readlen);
@@ -2374,7 +2370,7 @@ index ece544e..cf0c3180 100644
  
  		if (chip->options & NAND_NEED_READRDY) {
  			/* Apply delay or wait for ready/busy pin */
-@@ -2232,19 +2283,20 @@ static int nand_write_page_swecc(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -2232,19 +2283,20 @@
  				 const uint8_t *buf, int oob_required,
  				 int page)
  {
@@ -2399,7 +2395,7 @@ index ece544e..cf0c3180 100644
  
  	return chip->ecc.write_page_raw(mtd, chip, buf, 1, page);
  }
-@@ -2261,12 +2313,11 @@ static int nand_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -2261,12 +2313,11 @@
  				  const uint8_t *buf, int oob_required,
  				  int page)
  {
@@ -2413,7 +2409,7 @@ index ece544e..cf0c3180 100644
  
  	for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
  		chip->ecc.hwctl(mtd, NAND_ECC_WRITE);
-@@ -2274,8 +2325,10 @@ static int nand_write_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -2274,8 +2325,10 @@
  		chip->ecc.calculate(mtd, p, &ecc_calc[i]);
  	}
  
@@ -2426,7 +2422,7 @@ index ece544e..cf0c3180 100644
  
  	chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
  
-@@ -2303,11 +2356,10 @@ static int nand_write_subpage_hwecc(struct mtd_info *mtd,
+@@ -2303,11 +2356,10 @@
  	int ecc_size      = chip->ecc.size;
  	int ecc_bytes     = chip->ecc.bytes;
  	int ecc_steps     = chip->ecc.steps;
@@ -2439,7 +2435,7 @@ index ece544e..cf0c3180 100644
  
  	for (step = 0; step < ecc_steps; step++) {
  		/* configure controller for WRITE access */
-@@ -2335,8 +2387,10 @@ static int nand_write_subpage_hwecc(struct mtd_info *mtd,
+@@ -2335,8 +2387,10 @@
  	/* copy calculated ECC for whole page to chip->buffer->oob */
  	/* this include masked-value(0xFF) for unwritten subpages */
  	ecc_calc = chip->buffers->ecccalc;
@@ -2452,7 +2448,7 @@ index ece544e..cf0c3180 100644
  
  	/* write OOB buffer to NAND device */
  	chip->write_buf(mtd, chip->oob_poi, mtd->oobsize);
-@@ -2472,7 +2526,8 @@ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -2472,7 +2526,8 @@
  static uint8_t *nand_fill_oob(struct mtd_info *mtd, uint8_t *oob, size_t len,
  			      struct mtd_oob_ops *ops)
  {
@@ -2462,7 +2458,7 @@ index ece544e..cf0c3180 100644
  
  	/*
  	 * Initialise to all 0xFF, to avoid the possibility of left over OOB
-@@ -2487,31 +2542,12 @@ static uint8_t *nand_fill_oob(struct mtd_info *mtd, uint8_t *oob, size_t len,
+@@ -2487,31 +2542,12 @@
  		memcpy(chip->oob_poi + ops->ooboffs, oob, len);
  		return oob + len;
  
@@ -2500,7 +2496,7 @@ index ece544e..cf0c3180 100644
  	default:
  		BUG();
  	}
-@@ -2532,12 +2568,11 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
+@@ -2532,12 +2568,11 @@
  			     struct mtd_oob_ops *ops)
  {
  	int chipnr, realpage, page, blockmask, column;
@@ -2515,7 +2511,7 @@ index ece544e..cf0c3180 100644
  
  	uint8_t *oob = ops->oobbuf;
  	uint8_t *buf = ops->datbuf;
-@@ -2662,7 +2697,7 @@ err_out:
+@@ -2662,7 +2697,7 @@
  static int panic_nand_write(struct mtd_info *mtd, loff_t to, size_t len,
  			    size_t *retlen, const uint8_t *buf)
  {
@@ -2524,7 +2520,7 @@ index ece544e..cf0c3180 100644
  	struct mtd_oob_ops ops;
  	int ret;
  
-@@ -2722,15 +2757,12 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to,
+@@ -2722,15 +2757,12 @@
  			     struct mtd_oob_ops *ops)
  {
  	int chipnr, page, status, len;
@@ -2542,7 +2538,7 @@ index ece544e..cf0c3180 100644
  
  	/* Do not allow write past end of page */
  	if ((ops->ooboffs + ops->ooblen) > len) {
-@@ -2847,7 +2879,7 @@ out:
+@@ -2847,7 +2879,7 @@
   */
  static int single_erase(struct mtd_info *mtd, int page)
  {
@@ -2551,7 +2547,7 @@ index ece544e..cf0c3180 100644
  	/* Send commands to erase a block */
  	chip->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page);
  	chip->cmdfunc(mtd, NAND_CMD_ERASE2, -1, -1);
-@@ -2879,7 +2911,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
+@@ -2879,7 +2911,7 @@
  		    int allowbbt)
  {
  	int page, status, pages_per_block, ret, chipnr;
@@ -2560,7 +2556,7 @@ index ece544e..cf0c3180 100644
  	loff_t len;
  
  	pr_debug("%s: start = 0x%012llx, len = %llu\n",
-@@ -2918,7 +2950,7 @@ int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr,
+@@ -2918,7 +2950,7 @@
  	while (len) {
  		/* Check if we have a bad block, we do not erase bad blocks! */
  		if (nand_block_checkbad(mtd, ((loff_t) page) <<
@@ -2569,7 +2565,7 @@ index ece544e..cf0c3180 100644
  			pr_warn("%s: attempt to erase a bad block at page 0x%08x\n",
  				    __func__, page);
  			instr->state = MTD_ERASE_FAILED;
-@@ -3005,7 +3037,20 @@ static void nand_sync(struct mtd_info *mtd)
+@@ -3005,7 +3037,20 @@
   */
  static int nand_block_isbad(struct mtd_info *mtd, loff_t offs)
  {
@@ -2591,7 +2587,7 @@ index ece544e..cf0c3180 100644
  }
  
  /**
-@@ -3094,7 +3139,7 @@ static int nand_suspend(struct mtd_info *mtd)
+@@ -3094,7 +3139,7 @@
   */
  static void nand_resume(struct mtd_info *mtd)
  {
@@ -2600,7 +2596,7 @@ index ece544e..cf0c3180 100644
  
  	if (chip->state == FL_PM_SUSPENDED)
  		nand_release_device(mtd);
-@@ -3266,7 +3311,7 @@ ext_out:
+@@ -3266,7 +3311,7 @@
  
  static int nand_setup_read_retry_micron(struct mtd_info *mtd, int retry_mode)
  {
@@ -2609,7 +2605,7 @@ index ece544e..cf0c3180 100644
  	uint8_t feature[ONFI_SUBFEATURE_PARAM_LEN] = {retry_mode};
  
  	return chip->onfi_set_features(mtd, chip, ONFI_FEATURE_ADDR_READ_RETRY,
-@@ -3937,10 +3982,13 @@ ident_done:
+@@ -3937,10 +3982,13 @@
  	return type;
  }
  
@@ -2626,7 +2622,7 @@ index ece544e..cf0c3180 100644
  
  	if (of_get_nand_bus_width(dn) == 16)
  		chip->options |= NAND_BUSWIDTH_16;
-@@ -3949,6 +3997,7 @@ static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -3949,6 +3997,7 @@
  		chip->bbt_options |= NAND_BBT_USE_FLASH;
  
  	ecc_mode = of_get_nand_ecc_mode(dn);
@@ -2634,7 +2630,7 @@ index ece544e..cf0c3180 100644
  	ecc_strength = of_get_nand_ecc_strength(dn);
  	ecc_step = of_get_nand_ecc_step_size(dn);
  
-@@ -3961,6 +4010,9 @@ static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip,
+@@ -3961,6 +4010,9 @@
  	if (ecc_mode >= 0)
  		chip->ecc.mode = ecc_mode;
  
@@ -2644,7 +2640,7 @@ index ece544e..cf0c3180 100644
  	if (ecc_strength >= 0)
  		chip->ecc.strength = ecc_strength;
  
-@@ -3985,15 +4037,16 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips,
+@@ -3984,15 +4036,16 @@
  		    struct nand_flash_dev *table)
  {
  	int i, nand_maf_id, nand_dev_id;
@@ -2665,9 +2661,9 @@ index ece544e..cf0c3180 100644
 +	if (!mtd->name && mtd->dev.parent)
 +		mtd->name = dev_name(mtd->dev.parent);
  
- 	/* Set the default functions */
- 	nand_set_defaults(chip, chip->options & NAND_BUSWIDTH_16);
-@@ -4053,7 +4106,7 @@ EXPORT_SYMBOL(nand_scan_ident);
+ 	if (!mtd->name && mtd->dev.parent)
+ 		mtd->name = dev_name(mtd->dev.parent);
+@@ -4055,7 +4108,7 @@
   */
  static bool nand_ecc_strength_good(struct mtd_info *mtd)
  {
@@ -2676,7 +2672,7 @@ index ece544e..cf0c3180 100644
  	struct nand_ecc_ctrl *ecc = &chip->ecc;
  	int corr, ds_corr;
  
-@@ -4081,10 +4134,10 @@ static bool nand_ecc_strength_good(struct mtd_info *mtd)
+@@ -4083,10 +4136,10 @@
   */
  int nand_scan_tail(struct mtd_info *mtd)
  {
@@ -2689,7 +2685,7 @@ index ece544e..cf0c3180 100644
  
  	/* New bad blocks should be marked in OOB, flash-based BBT, or both */
  	BUG_ON((chip->bbt_options & NAND_BBT_NO_OOB_BBM) &&
-@@ -4111,19 +4164,15 @@ int nand_scan_tail(struct mtd_info *mtd)
+@@ -4113,19 +4166,15 @@
  	/*
  	 * If no default placement scheme is given, select an appropriate one.
  	 */
@@ -2712,7 +2708,7 @@ index ece544e..cf0c3180 100644
  			break;
  		default:
  			pr_warn("No oob scheme defined for oobsize %d\n",
-@@ -4166,7 +4215,7 @@ int nand_scan_tail(struct mtd_info *mtd)
+@@ -4168,7 +4217,7 @@
  			ecc->write_oob = nand_write_oob_std;
  		if (!ecc->read_subpage)
  			ecc->read_subpage = nand_read_subpage;
@@ -2721,7 +2717,7 @@ index ece544e..cf0c3180 100644
  			ecc->write_subpage = nand_write_subpage_hwecc;
  
  	case NAND_ECC_HW_SYNDROME:
-@@ -4244,10 +4293,8 @@ int nand_scan_tail(struct mtd_info *mtd)
+@@ -4246,10 +4295,8 @@
  		}
  
  		/* See nand_bch_init() for details. */
@@ -2734,7 +2730,7 @@ index ece544e..cf0c3180 100644
  		if (!ecc->priv) {
  			pr_warn("BCH ECC initialization failed!\n");
  			BUG();
-@@ -4278,20 +4325,9 @@ int nand_scan_tail(struct mtd_info *mtd)
+@@ -4280,20 +4327,9 @@
  	if (!ecc->write_oob_raw)
  		ecc->write_oob_raw = ecc->write_oob;
  
@@ -2758,7 +2754,7 @@ index ece544e..cf0c3180 100644
  
  	/*
  	 * Set the number of read / write steps for one page depending on ECC
-@@ -4304,6 +4340,21 @@ int nand_scan_tail(struct mtd_info *mtd)
+@@ -4306,6 +4342,21 @@
  	}
  	ecc->total = ecc->steps * ecc->bytes;
  
@@ -2780,7 +2776,7 @@ index ece544e..cf0c3180 100644
  	/* Allow subpage writes up to ecc.steps. Not possible for MLC flash */
  	if (!(chip->options & NAND_NO_SUBPAGE_WRITE) && nand_is_slc(chip)) {
  		switch (ecc->steps) {
-@@ -4360,10 +4411,6 @@ int nand_scan_tail(struct mtd_info *mtd)
+@@ -4362,10 +4413,6 @@
  	mtd->_block_markbad = nand_block_markbad;
  	mtd->writebufsize = mtd->writesize;
  
@@ -2791,7 +2787,7 @@ index ece544e..cf0c3180 100644
  	/*
  	 * Initialize bitflip_threshold to its default prior scan_bbt() call.
  	 * scan_bbt() might invoke mtd_read(), thus bitflip_threshold must be
-@@ -4426,7 +4473,7 @@ EXPORT_SYMBOL(nand_scan);
+@@ -4421,7 +4468,7 @@
   */
  void nand_release(struct mtd_info *mtd)
  {
@@ -2800,11 +2796,9 @@ index ece544e..cf0c3180 100644
  
  	if (chip->ecc.mode == NAND_ECC_SOFT_BCH)
  		nand_bch_free((struct nand_bch_control *)chip->ecc.priv);
-diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c
-index b1d4f81..2fbb523 100644
 --- a/drivers/mtd/nand/nand_bbt.c
 +++ b/drivers/mtd/nand/nand_bbt.c
-@@ -172,7 +172,7 @@ static int read_bbt(struct mtd_info *mtd, uint8_t *buf, int page, int num,
+@@ -172,7 +172,7 @@
  		struct nand_bbt_descr *td, int offs)
  {
  	int res, ret = 0, i, j, act = 0;
@@ -2813,7 +2807,7 @@ index b1d4f81..2fbb523 100644
  	size_t retlen, len, totlen;
  	loff_t from;
  	int bits = td->options & NAND_BBT_NRBITS_MSK;
-@@ -263,7 +263,7 @@ static int read_bbt(struct mtd_info *mtd, uint8_t *buf, int page, int num,
+@@ -263,7 +263,7 @@
   */
  static int read_abs_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td, int chip)
  {
@@ -2822,7 +2816,7 @@ index b1d4f81..2fbb523 100644
  	int res = 0, i;
  
  	if (td->options & NAND_BBT_PERCHIP) {
-@@ -388,7 +388,7 @@ static u32 bbt_get_ver_offs(struct mtd_info *mtd, struct nand_bbt_descr *td)
+@@ -388,7 +388,7 @@
  static void read_abs_bbts(struct mtd_info *mtd, uint8_t *buf,
  			  struct nand_bbt_descr *td, struct nand_bbt_descr *md)
  {
@@ -2831,7 +2825,7 @@ index b1d4f81..2fbb523 100644
  
  	/* Read the primary version, if available */
  	if (td->options & NAND_BBT_VERSION) {
-@@ -454,7 +454,7 @@ static int scan_block_fast(struct mtd_info *mtd, struct nand_bbt_descr *bd,
+@@ -454,7 +454,7 @@
  static int create_bbt(struct mtd_info *mtd, uint8_t *buf,
  	struct nand_bbt_descr *bd, int chip)
  {
@@ -2840,7 +2834,7 @@ index b1d4f81..2fbb523 100644
  	int i, numblocks, numpages;
  	int startblock;
  	loff_t from;
-@@ -523,7 +523,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf,
+@@ -523,7 +523,7 @@
   */
  static int search_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td)
  {
@@ -2849,7 +2843,7 @@ index b1d4f81..2fbb523 100644
  	int i, chips;
  	int startblock, block, dir;
  	int scanlen = mtd->writesize + mtd->oobsize;
-@@ -618,7 +618,7 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf,
+@@ -618,7 +618,7 @@
  		     struct nand_bbt_descr *td, struct nand_bbt_descr *md,
  		     int chipsel)
  {
@@ -2858,7 +2852,7 @@ index b1d4f81..2fbb523 100644
  	struct erase_info einfo;
  	int i, res, chip = 0;
  	int bits, startblock, dir, page, offs, numblocks, sft, sftmsk;
-@@ -819,7 +819,7 @@ static int write_bbt(struct mtd_info *mtd, uint8_t *buf,
+@@ -819,7 +819,7 @@
   */
  static inline int nand_memory_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)
  {
@@ -2867,7 +2861,7 @@ index b1d4f81..2fbb523 100644
  
  	return create_bbt(mtd, this->buffers->databuf, bd, -1);
  }
-@@ -838,7 +838,7 @@ static inline int nand_memory_bbt(struct mtd_info *mtd, struct nand_bbt_descr *b
+@@ -838,7 +838,7 @@
  static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *bd)
  {
  	int i, chips, writeops, create, chipsel, res, res2;
@@ -2876,7 +2870,7 @@ index b1d4f81..2fbb523 100644
  	struct nand_bbt_descr *td = this->bbt_td;
  	struct nand_bbt_descr *md = this->bbt_md;
  	struct nand_bbt_descr *rd, *rd2;
-@@ -962,7 +962,7 @@ static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_desc
+@@ -962,7 +962,7 @@
   */
  static void mark_bbt_region(struct mtd_info *mtd, struct nand_bbt_descr *td)
  {
@@ -2885,7 +2879,7 @@ index b1d4f81..2fbb523 100644
  	int i, j, chips, block, nrblocks, update;
  	uint8_t oldval;
  
-@@ -1022,7 +1022,7 @@ static void mark_bbt_region(struct mtd_info *mtd, struct nand_bbt_descr *td)
+@@ -1022,7 +1022,7 @@
   */
  static void verify_bbt_descr(struct mtd_info *mtd, struct nand_bbt_descr *bd)
  {
@@ -2894,7 +2888,7 @@ index b1d4f81..2fbb523 100644
  	u32 pattern_len;
  	u32 bits;
  	u32 table_size;
-@@ -1074,7 +1074,7 @@ static void verify_bbt_descr(struct mtd_info *mtd, struct nand_bbt_descr *bd)
+@@ -1074,7 +1074,7 @@
   */
  static int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)
  {
@@ -2903,7 +2897,7 @@ index b1d4f81..2fbb523 100644
  	int len, res;
  	uint8_t *buf;
  	struct nand_bbt_descr *td = this->bbt_td;
-@@ -1147,7 +1147,7 @@ err:
+@@ -1147,7 +1147,7 @@
   */
  static int nand_update_bbt(struct mtd_info *mtd, loff_t offs)
  {
@@ -2912,7 +2906,7 @@ index b1d4f81..2fbb523 100644
  	int len, res = 0;
  	int chip, chipsel;
  	uint8_t *buf;
-@@ -1281,7 +1281,7 @@ static int nand_create_badblock_pattern(struct nand_chip *this)
+@@ -1281,7 +1281,7 @@
   */
  int nand_default_bbt(struct mtd_info *mtd)
  {
@@ -2921,7 +2915,7 @@ index b1d4f81..2fbb523 100644
  	int ret;
  
  	/* Is a flash based bad block table requested? */
-@@ -1317,7 +1317,7 @@ int nand_default_bbt(struct mtd_info *mtd)
+@@ -1317,7 +1317,7 @@
   */
  int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs)
  {
@@ -2930,7 +2924,7 @@ index b1d4f81..2fbb523 100644
  	int block;
  
  	block = (int)(offs >> this->bbt_erase_shift);
-@@ -1332,7 +1332,7 @@ int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs)
+@@ -1332,7 +1332,7 @@
   */
  int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
  {
@@ -2939,7 +2933,7 @@ index b1d4f81..2fbb523 100644
  	int block, res;
  
  	block = (int)(offs >> this->bbt_erase_shift);
-@@ -1359,7 +1359,7 @@ int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
+@@ -1359,7 +1359,7 @@
   */
  int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs)
  {
@@ -2948,14 +2942,12 @@ index b1d4f81..2fbb523 100644
  	int block, ret = 0;
  
  	block = (int)(offs >> this->bbt_erase_shift);
-@@ -1373,5 +1373,3 @@ int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs)
+@@ -1373,5 +1373,3 @@
  
  	return ret;
  }
 -
 -EXPORT_SYMBOL(nand_scan_bbt);
-diff --git a/drivers/mtd/nand/nand_bch.c b/drivers/mtd/nand/nand_bch.c
-index 3803e0b..ca9b2a4 100644
 --- a/drivers/mtd/nand/nand_bch.c
 +++ b/drivers/mtd/nand/nand_bch.c
 @@ -32,13 +32,11 @@
@@ -2972,7 +2964,7 @@ index 3803e0b..ca9b2a4 100644
  	unsigned int         *errloc;
  	unsigned char        *eccmask;
  };
-@@ -52,7 +50,7 @@ struct nand_bch_control {
+@@ -52,7 +50,7 @@
  int nand_bch_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
  			   unsigned char *code)
  {
@@ -2981,7 +2973,7 @@ index 3803e0b..ca9b2a4 100644
  	struct nand_bch_control *nbc = chip->ecc.priv;
  	unsigned int i;
  
-@@ -79,7 +77,7 @@ EXPORT_SYMBOL(nand_bch_calculate_ecc);
+@@ -79,7 +77,7 @@
  int nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf,
  			  unsigned char *read_ecc, unsigned char *calc_ecc)
  {
@@ -2990,7 +2982,7 @@ index 3803e0b..ca9b2a4 100644
  	struct nand_bch_control *nbc = chip->ecc.priv;
  	unsigned int *errloc = nbc->errloc;
  	int i, count;
-@@ -98,7 +96,7 @@ int nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf,
+@@ -98,7 +96,7 @@
  		}
  	} else if (count < 0) {
  		printk(KERN_ERR "ecc unrecoverable error\n");
@@ -2999,7 +2991,7 @@ index 3803e0b..ca9b2a4 100644
  	}
  	return count;
  }
-@@ -107,9 +105,6 @@ EXPORT_SYMBOL(nand_bch_correct_data);
+@@ -107,9 +105,6 @@
  /**
   * nand_bch_init - [NAND Interface] Initialize NAND BCH error correction
   * @mtd:	MTD block structure
@@ -3009,7 +3001,7 @@ index 3803e0b..ca9b2a4 100644
   *
   * Returns:
   *  a pointer to a new NAND BCH control structure, or NULL upon failure
-@@ -123,14 +118,20 @@ EXPORT_SYMBOL(nand_bch_correct_data);
+@@ -123,14 +118,20 @@
   * @eccsize = 512  (thus, m=13 is the smallest integer such that 2^m-1 > 512*8)
   * @eccbytes = 7   (7 bytes are required to store m*t = 13*4 = 52 bits)
   */
@@ -3034,7 +3026,7 @@ index 3803e0b..ca9b2a4 100644
  
  	if (!eccsize || !eccbytes) {
  		printk(KERN_WARNING "ecc parameters not supplied\n");
-@@ -158,7 +159,7 @@ nand_bch_init(struct mtd_info *mtd, unsigned int eccsize, unsigned int eccbytes,
+@@ -158,7 +159,7 @@
  	eccsteps = mtd->writesize/eccsize;
  
  	/* if no ecc placement scheme was provided, build one */
@@ -3043,7 +3035,7 @@ index 3803e0b..ca9b2a4 100644
  
  		/* handle large page devices only */
  		if (mtd->oobsize < 64) {
-@@ -167,24 +168,7 @@ nand_bch_init(struct mtd_info *mtd, unsigned int eccsize, unsigned int eccbytes,
+@@ -167,24 +168,7 @@
  			goto fail;
  		}
  
@@ -3069,7 +3061,7 @@ index 3803e0b..ca9b2a4 100644
  	}
  
  	/* sanity checks */
-@@ -192,7 +176,8 @@ nand_bch_init(struct mtd_info *mtd, unsigned int eccsize, unsigned int eccbytes,
+@@ -192,7 +176,8 @@
  		printk(KERN_WARNING "eccsize %u is too large\n", eccsize);
  		goto fail;
  	}
@@ -3079,7 +3071,7 @@ index 3803e0b..ca9b2a4 100644
  		printk(KERN_WARNING "invalid ecc layout\n");
  		goto fail;
  	}
-@@ -216,6 +201,9 @@ nand_bch_init(struct mtd_info *mtd, unsigned int eccsize, unsigned int eccbytes,
+@@ -216,6 +201,9 @@
  	for (i = 0; i < eccbytes; i++)
  		nbc->eccmask[i] ^= 0xff;
  
@@ -3089,11 +3081,9 @@ index 3803e0b..ca9b2a4 100644
  	return nbc;
  fail:
  	nand_bch_free(nbc);
-diff --git a/drivers/mtd/nand/nand_ecc.c b/drivers/mtd/nand/nand_ecc.c
-index 97c4c02..d1770b0 100644
 --- a/drivers/mtd/nand/nand_ecc.c
 +++ b/drivers/mtd/nand/nand_ecc.c
-@@ -424,7 +424,7 @@ int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf,
+@@ -424,7 +424,7 @@
  		       unsigned char *code)
  {
  	__nand_calculate_ecc(buf,
@@ -3102,16 +3092,7 @@ index 97c4c02..d1770b0 100644
  
  	return 0;
  }
-@@ -507,7 +507,7 @@ int __nand_correct_data(unsigned char *buf,
- 		return 1;	/* error in ECC data; no action needed */
- 
- 	pr_err("%s: uncorrectable ECC error\n", __func__);
--	return -1;
-+	return -EBADMSG;
- }
- EXPORT_SYMBOL(__nand_correct_data);
- 
-@@ -524,7 +524,7 @@ int nand_correct_data(struct mtd_info *mtd, unsigned char *buf,
+@@ -524,7 +524,7 @@
  		      unsigned char *read_ecc, unsigned char *calc_ecc)
  {
  	return __nand_correct_data(buf, read_ecc, calc_ecc,
@@ -3120,11 +3101,9 @@ index 97c4c02..d1770b0 100644
  }
  EXPORT_SYMBOL(nand_correct_data);
  
-diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c
-index a8804a3..ccc05f5 100644
 --- a/drivers/mtd/nand/nand_ids.c
 +++ b/drivers/mtd/nand/nand_ids.c
-@@ -50,8 +50,8 @@ struct nand_flash_dev nand_flash_ids[] = {
+@@ -50,8 +50,8 @@
  		  SZ_16K, SZ_8K, SZ_4M, 0, 6, 1280, NAND_ECC_INFO(40, SZ_1K) },
  	{"H27UCG8T2ATR-BC 64G 3.3V 8-bit",
  		{ .id = {0xad, 0xde, 0x94, 0xda, 0x74, 0xc4} },
@@ -3135,11 +3114,9 @@ index a8804a3..ccc05f5 100644
  
  	LEGACY_ID_NAND("NAND 4MiB 5V 8-bit",   0x6B, 4, SZ_8K, SP_OPTIONS),
  	LEGACY_ID_NAND("NAND 4MiB 3,3V 8-bit", 0xE3, 4, SZ_8K, SP_OPTIONS),
-diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
-index b16d70a..6ff1d8d 100644
 --- a/drivers/mtd/nand/nandsim.c
 +++ b/drivers/mtd/nand/nandsim.c
-@@ -666,8 +666,8 @@ static char *get_partition_name(int i)
+@@ -666,8 +666,8 @@
   */
  static int init_nandsim(struct mtd_info *mtd)
  {
@@ -3150,7 +3127,7 @@ index b16d70a..6ff1d8d 100644
  	int i, ret = 0;
  	uint64_t remains;
  	uint64_t next_offset;
-@@ -1908,7 +1908,8 @@ static void switch_state(struct nandsim *ns)
+@@ -1908,7 +1908,8 @@
  
  static u_char ns_nand_read_byte(struct mtd_info *mtd)
  {
@@ -3160,7 +3137,7 @@ index b16d70a..6ff1d8d 100644
  	u_char outb = 0x00;
  
  	/* Sanity and correctness checks */
-@@ -1969,7 +1970,8 @@ static u_char ns_nand_read_byte(struct mtd_info *mtd)
+@@ -1969,7 +1970,8 @@
  
  static void ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
  {
@@ -3170,7 +3147,7 @@ index b16d70a..6ff1d8d 100644
  
  	/* Sanity and correctness checks */
  	if (!ns->lines.ce) {
-@@ -2123,7 +2125,8 @@ static void ns_nand_write_byte(struct mtd_info *mtd, u_char byte)
+@@ -2123,7 +2125,8 @@
  
  static void ns_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int bitmask)
  {
@@ -3180,7 +3157,7 @@ index b16d70a..6ff1d8d 100644
  
  	ns->lines.cle = bitmask & NAND_CLE ? 1 : 0;
  	ns->lines.ale = bitmask & NAND_ALE ? 1 : 0;
-@@ -2141,7 +2144,7 @@ static int ns_device_ready(struct mtd_info *mtd)
+@@ -2141,7 +2144,7 @@
  
  static uint16_t ns_nand_read_word(struct mtd_info *mtd)
  {
@@ -3189,7 +3166,7 @@ index b16d70a..6ff1d8d 100644
  
  	NS_DBG("read_word\n");
  
-@@ -2150,7 +2153,8 @@ static uint16_t ns_nand_read_word(struct mtd_info *mtd)
+@@ -2150,7 +2153,8 @@
  
  static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
  {
@@ -3199,7 +3176,7 @@ index b16d70a..6ff1d8d 100644
  
  	/* Check that chip is expecting data input */
  	if (!(ns->state & STATE_DATAIN_MASK)) {
-@@ -2177,7 +2181,8 @@ static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
+@@ -2177,7 +2181,8 @@
  
  static void ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
  {
@@ -3209,7 +3186,7 @@ index b16d70a..6ff1d8d 100644
  
  	/* Sanity and correctness checks */
  	if (!ns->lines.ce) {
-@@ -2198,7 +2203,7 @@ static void ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
+@@ -2198,7 +2203,7 @@
  		int i;
  
  		for (i = 0; i < len; i++)
@@ -3218,7 +3195,7 @@ index b16d70a..6ff1d8d 100644
  
  		return;
  	}
-@@ -2236,16 +2241,15 @@ static int __init ns_init_module(void)
+@@ -2236,16 +2241,15 @@
  	}
  
  	/* Allocate and initialize mtd_info, nand_chip and nandsim structures */
@@ -3240,7 +3217,7 @@ index b16d70a..6ff1d8d 100644
  
  	/*
  	 * Register simulator's callbacks.
-@@ -2257,6 +2261,7 @@ static int __init ns_init_module(void)
+@@ -2257,6 +2261,7 @@
  	chip->read_buf   = ns_nand_read_buf;
  	chip->read_word  = ns_nand_read_word;
  	chip->ecc.mode   = NAND_ECC_SOFT;
@@ -3248,7 +3225,7 @@ index b16d70a..6ff1d8d 100644
  	/* The NAND_SKIP_BBTSCAN option is necessary for 'overridesize' */
  	/* and 'badblocks' parameters to work */
  	chip->options   |= NAND_SKIP_BBTSCAN;
-@@ -2335,6 +2340,7 @@ static int __init ns_init_module(void)
+@@ -2335,6 +2340,7 @@
  			goto error;
  		}
  		chip->ecc.mode = NAND_ECC_SOFT_BCH;
@@ -3256,7 +3233,7 @@ index b16d70a..6ff1d8d 100644
  		chip->ecc.size = 512;
  		chip->ecc.strength = bch;
  		chip->ecc.bytes = eccbytes;
-@@ -2392,7 +2398,7 @@ err_exit:
+@@ -2392,7 +2398,7 @@
  	for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i)
  		kfree(nand->partitions[i].name);
  error:
@@ -3265,7 +3242,7 @@ index b16d70a..6ff1d8d 100644
  	free_lists();
  
  	return retval;
-@@ -2405,7 +2411,8 @@ module_init(ns_init_module);
+@@ -2405,7 +2411,8 @@
   */
  static void __exit ns_cleanup_module(void)
  {
@@ -3275,7 +3252,7 @@ index b16d70a..6ff1d8d 100644
  	int i;
  
  	nandsim_debugfs_remove(ns);
-@@ -2413,7 +2420,7 @@ static void __exit ns_cleanup_module(void)
+@@ -2413,7 +2420,7 @@
  	nand_release(nsmtd); /* Unregister driver */
  	for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i)
  		kfree(ns->partitions[i].name);
@@ -3284,11 +3261,9 @@ index b16d70a..6ff1d8d 100644
  	free_lists();
  }
  
-diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
-index 9ed6038..ede407d 100644
 --- a/drivers/mtd/ofpart.c
 +++ b/drivers/mtd/ofpart.c
-@@ -26,9 +26,10 @@ static bool node_has_compatible(struct device_node *pp)
+@@ -26,9 +26,10 @@
  }
  
  static int parse_ofpart_partitions(struct mtd_info *master,
@@ -3300,7 +3275,7 @@ index 9ed6038..ede407d 100644
  	struct device_node *mtd_node;
  	struct device_node *ofpart_node;
  	const char *partname;
-@@ -37,10 +38,8 @@ static int parse_ofpart_partitions(struct mtd_info *master,
+@@ -37,10 +38,8 @@
  	bool dedicated = true;
  
  
@@ -3313,7 +3288,7 @@ index 9ed6038..ede407d 100644
  	if (!mtd_node)
  		return 0;
  
-@@ -72,8 +71,8 @@ static int parse_ofpart_partitions(struct mtd_info *master,
+@@ -72,8 +71,8 @@
  	if (nr_parts == 0)
  		return 0;
  
@@ -3324,7 +3299,7 @@ index 9ed6038..ede407d 100644
  		return -ENOMEM;
  
  	i = 0;
-@@ -107,19 +106,19 @@ static int parse_ofpart_partitions(struct mtd_info *master,
+@@ -107,19 +106,19 @@
  			goto ofpart_fail;
  		}
  
@@ -3349,7 +3324,7 @@ index 9ed6038..ede407d 100644
  
  		i++;
  	}
-@@ -127,6 +126,7 @@ static int parse_ofpart_partitions(struct mtd_info *master,
+@@ -127,6 +126,7 @@
  	if (!nr_parts)
  		goto ofpart_none;
  
@@ -3357,7 +3332,7 @@ index 9ed6038..ede407d 100644
  	return nr_parts;
  
  ofpart_fail:
-@@ -135,21 +135,20 @@ ofpart_fail:
+@@ -135,21 +135,20 @@
  	ret = -EINVAL;
  ofpart_none:
  	of_node_put(pp);
@@ -3382,7 +3357,7 @@ index 9ed6038..ede407d 100644
  	struct device_node *dp;
  	int i, plen, nr_parts;
  	const struct {
-@@ -157,10 +156,8 @@ static int parse_ofoldpart_partitions(struct mtd_info *master,
+@@ -157,10 +156,8 @@
  	} *part;
  	const char *names;
  
@@ -3395,7 +3370,7 @@ index 9ed6038..ede407d 100644
  	if (!dp)
  		return 0;
  
-@@ -173,37 +170,37 @@ static int parse_ofoldpart_partitions(struct mtd_info *master,
+@@ -173,37 +170,37 @@
  
  	nr_parts = plen / sizeof(part[0]);
  
@@ -3441,11 +3416,9 @@ index 9ed6038..ede407d 100644
  	.parse_fn = parse_ofoldpart_partitions,
  	.name = "ofoldpart",
  };
-diff --git a/drivers/mtd/spi-nor/Kconfig b/drivers/mtd/spi-nor/Kconfig
-index 2fe2a7e..d42c98e 100644
 --- a/drivers/mtd/spi-nor/Kconfig
 +++ b/drivers/mtd/spi-nor/Kconfig
-@@ -7,6 +7,14 @@ menuconfig MTD_SPI_NOR
+@@ -7,6 +7,14 @@
  
  if MTD_SPI_NOR
  
@@ -3460,7 +3433,7 @@ index 2fe2a7e..d42c98e 100644
  config MTD_SPI_NOR_USE_4K_SECTORS
  	bool "Use small 4096 B erase sectors"
  	default y
-@@ -23,7 +31,7 @@ config MTD_SPI_NOR_USE_4K_SECTORS
+@@ -23,7 +31,7 @@
  
  config SPI_FSL_QUADSPI
  	tristate "Freescale Quad SPI controller"
@@ -3469,8 +3442,6 @@ index 2fe2a7e..d42c98e 100644
  	depends on HAS_IOMEM
  	help
  	  This enables support for the Quad SPI controller in master mode.
-diff --git a/drivers/mtd/spi-nor/Makefile b/drivers/mtd/spi-nor/Makefile
-index e53333e..0bf3a7f8 100644
 --- a/drivers/mtd/spi-nor/Makefile
 +++ b/drivers/mtd/spi-nor/Makefile
 @@ -1,3 +1,4 @@
@@ -3478,9 +3449,6 @@ index e53333e..0bf3a7f8 100644
  obj-$(CONFIG_SPI_FSL_QUADSPI)	+= fsl-quadspi.o
 +obj-$(CONFIG_MTD_MT81xx_NOR)    += mtk-quadspi.o
  obj-$(CONFIG_SPI_NXP_SPIFI)	+= nxp-spifi.o
-diff --git a/drivers/mtd/spi-nor/mtk-quadspi.c b/drivers/mtd/spi-nor/mtk-quadspi.c
-new file mode 100644
-index 0000000..8bed1a4c
 --- /dev/null
 +++ b/drivers/mtd/spi-nor/mtk-quadspi.c
 @@ -0,0 +1,485 @@
@@ -3969,8 +3937,6 @@ index 0000000..8bed1a4c
 +module_platform_driver(mtk_nor_driver);
 +MODULE_LICENSE("GPL v2");
 +MODULE_DESCRIPTION("MediaTek SPI NOR Flash Driver");
-diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
-index 4988390..157841d 100644
 --- a/drivers/mtd/spi-nor/spi-nor.c
 +++ b/drivers/mtd/spi-nor/spi-nor.c
 @@ -38,6 +38,7 @@
@@ -3981,7 +3947,7 @@ index 4988390..157841d 100644
  
  struct flash_info {
  	char		*name;
-@@ -60,14 +61,20 @@ struct flash_info {
+@@ -60,14 +61,20 @@
  	u16		addr_width;
  
  	u16		flags;
@@ -4010,7 +3976,7 @@ index 4988390..157841d 100644
  };
  
  #define JEDEC_MFR(info)	((info)->id[0])
-@@ -313,6 +320,29 @@ static void spi_nor_unlock_and_unprep(struct spi_nor *nor, enum spi_nor_ops ops)
+@@ -313,6 +320,29 @@
  }
  
  /*
@@ -4040,7 +4006,7 @@ index 4988390..157841d 100644
   * Erase an address range on the nor chip.  The address range may extend
   * one or more erase sectors.  Return an error is there is a problem erasing.
   */
-@@ -371,10 +401,9 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)
+@@ -371,10 +401,9 @@
  		while (len) {
  			write_enable(nor);
  
@@ -4053,7 +4019,7 @@ index 4988390..157841d 100644
  
  			addr += mtd->erasesize;
  			len -= mtd->erasesize;
-@@ -387,17 +416,13 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)
+@@ -387,17 +416,13 @@
  
  	write_disable(nor);
  
@@ -4073,7 +4039,7 @@ index 4988390..157841d 100644
  }
  
  static void stm_get_locked_range(struct spi_nor *nor, u8 sr, loff_t *ofs,
-@@ -415,32 +440,58 @@ static void stm_get_locked_range(struct spi_nor *nor, u8 sr, loff_t *ofs,
+@@ -415,32 +440,58 @@
  	} else {
  		pow = ((sr & mask) ^ mask) >> shift;
  		*len = mtd->size >> pow;
@@ -4139,7 +4105,7 @@ index 4988390..157841d 100644
   * Sample table portion for 8MB flash (Winbond w25q64fw):
   *
   *   SEC  |  TB   |  BP2  |  BP1  |  BP0  |  Prot Length  | Protected Portion
-@@ -453,26 +504,55 @@ static int stm_is_locked_sr(struct spi_nor *nor, loff_t ofs, uint64_t len,
+@@ -453,26 +504,55 @@
   *    0   |   0   |   1   |   0   |   1   |  2 MB         | Upper 1/4
   *    0   |   0   |   1   |   1   |   0   |  4 MB         | Upper 1/2
   *    X   |   X   |   1   |   1   |   1   |  8 MB         | ALL
@@ -4204,7 +4170,7 @@ index 4988390..157841d 100644
  
  	/*
  	 * Need smallest pow such that:
-@@ -483,7 +563,7 @@ static int stm_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)
+@@ -483,7 +563,7 @@
  	 *
  	 *   pow = ceil(log2(size / len)) = log2(size) - floor(log2(len))
  	 */
@@ -4213,7 +4179,7 @@ index 4988390..157841d 100644
  	val = mask - (pow << shift);
  	if (val & ~mask)
  		return -EINVAL;
-@@ -491,14 +571,27 @@ static int stm_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)
+@@ -491,14 +571,27 @@
  	if (!(val & mask))
  		return -EINVAL;
  
@@ -4244,7 +4210,7 @@ index 4988390..157841d 100644
  }
  
  /*
-@@ -509,17 +602,43 @@ static int stm_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)
+@@ -509,17 +602,43 @@
  static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
  {
  	struct mtd_info *mtd = &nor->mtd;
@@ -4260,10 +4226,7 @@ index 4988390..157841d 100644
  	status_old = read_sr(nor);
 +	if (status_old < 0)
 +		return status_old;
- 
--	/* Cannot unlock; would unlock larger region than requested */
--	if (stm_is_locked_sr(nor, status_old, ofs - mtd->erasesize,
--			     mtd->erasesize))
++
 +	/* If nothing in our range is locked, we don't need to do anything */
 +	if (stm_is_unlocked_sr(nor, ofs, len, status_old))
 +		return 0;
@@ -4276,7 +4239,10 @@ index 4988390..157841d 100644
 +	if (!stm_is_unlocked_sr(nor, ofs + len, mtd->size - (ofs + len),
 +				status_old))
 +		can_be_bottom = false;
-+
+ 
+-	/* Cannot unlock; would unlock larger region than requested */
+-	if (stm_is_locked_sr(nor, ofs - mtd->erasesize, mtd->erasesize,
+-			     status_old))
 +	if (!can_be_bottom && !can_be_top)
  		return -EINVAL;
  
@@ -4292,7 +4258,7 @@ index 4988390..157841d 100644
  	/*
  	 * Need largest pow such that:
  	 *
-@@ -529,8 +648,8 @@ static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
+@@ -529,8 +648,8 @@
  	 *
  	 *   pow = floor(log2(size / len)) = log2(size) - ceil(log2(len))
  	 */
@@ -4303,7 +4269,7 @@ index 4988390..157841d 100644
  		val = 0; /* fully unlocked */
  	} else {
  		val = mask - (pow << shift);
-@@ -539,14 +658,28 @@ static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
+@@ -539,14 +658,28 @@
  			return -EINVAL;
  	}
  
@@ -4335,7 +4301,7 @@ index 4988390..157841d 100644
  }
  
  /*
-@@ -715,9 +848,9 @@ static const struct flash_info spi_nor_ids[] = {
+@@ -715,9 +848,9 @@
  	{ "mx25l4005a",  INFO(0xc22013, 0, 64 * 1024,   8, SECT_4K) },
  	{ "mx25l8005",   INFO(0xc22014, 0, 64 * 1024,  16, 0) },
  	{ "mx25l1606e",  INFO(0xc22015, 0, 64 * 1024,  32, SECT_4K) },
@@ -4347,7 +4313,7 @@ index 4988390..157841d 100644
  	{ "mx25u6435f",  INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) },
  	{ "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) },
  	{ "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) },
-@@ -731,8 +864,8 @@ static const struct flash_info spi_nor_ids[] = {
+@@ -731,8 +864,8 @@
  	{ "n25q032a",	 INFO(0x20bb16, 0, 64 * 1024,   64, SPI_NOR_QUAD_READ) },
  	{ "n25q064",     INFO(0x20ba17, 0, 64 * 1024,  128, SECT_4K | SPI_NOR_QUAD_READ) },
  	{ "n25q064a",    INFO(0x20bb17, 0, 64 * 1024,  128, SECT_4K | SPI_NOR_QUAD_READ) },
@@ -4358,7 +4324,7 @@ index 4988390..157841d 100644
  	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SECT_4K | SPI_NOR_QUAD_READ) },
  	{ "n25q512a",    INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) },
  	{ "n25q512ax3",  INFO(0x20ba20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) },
-@@ -766,6 +899,7 @@ static const struct flash_info spi_nor_ids[] = {
+@@ -766,6 +899,7 @@
  	{ "s25fl008k",  INFO(0xef4014,      0,  64 * 1024,  16, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
  	{ "s25fl016k",  INFO(0xef4015,      0,  64 * 1024,  32, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
  	{ "s25fl064k",  INFO(0xef4017,      0,  64 * 1024, 128, SECT_4K) },
@@ -4366,7 +4332,7 @@ index 4988390..157841d 100644
  	{ "s25fl132k",  INFO(0x014016,      0,  64 * 1024,  64, SECT_4K) },
  	{ "s25fl164k",  INFO(0x014017,      0,  64 * 1024, 128, SECT_4K) },
  	{ "s25fl204k",  INFO(0x014013,      0,  64 * 1024,   8, SECT_4K | SPI_NOR_DUAL_READ) },
-@@ -829,11 +963,23 @@ static const struct flash_info spi_nor_ids[] = {
+@@ -829,11 +963,23 @@
  	{ "w25x16", INFO(0xef3015, 0, 64 * 1024,  32, SECT_4K) },
  	{ "w25x32", INFO(0xef3016, 0, 64 * 1024,  64, SECT_4K) },
  	{ "w25q32", INFO(0xef4016, 0, 64 * 1024,  64, SECT_4K) },
@@ -4393,7 +4359,7 @@ index 4988390..157841d 100644
  	{ "w25q80", INFO(0xef5014, 0, 64 * 1024,  16, SECT_4K) },
  	{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024,  16, SECT_4K) },
  	{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
-@@ -856,7 +1002,7 @@ static const struct flash_info *spi_nor_read_id(struct spi_nor *nor)
+@@ -856,7 +1002,7 @@
  
  	tmp = nor->read_reg(nor, SPINOR_OP_RDID, id, SPI_NOR_MAX_ID_LEN);
  	if (tmp < 0) {
@@ -4402,7 +4368,7 @@ index 4988390..157841d 100644
  		return ERR_PTR(tmp);
  	}
  
-@@ -867,7 +1013,7 @@ static const struct flash_info *spi_nor_read_id(struct spi_nor *nor)
+@@ -867,7 +1013,7 @@
  				return &spi_nor_ids[tmp];
  		}
  	}
@@ -4411,7 +4377,7 @@ index 4988390..157841d 100644
  		id[0], id[1], id[2]);
  	return ERR_PTR(-ENODEV);
  }
-@@ -1013,6 +1159,8 @@ static int macronix_quad_enable(struct spi_nor *nor)
+@@ -1013,6 +1159,8 @@
  	int ret, val;
  
  	val = read_sr(nor);
@@ -4420,67 +4386,7 @@ index 4988390..157841d 100644
  	write_enable(nor);
  
  	write_sr(nor, val | SR_QUAD_EN_MX);
-@@ -1067,45 +1215,6 @@ static int spansion_quad_enable(struct spi_nor *nor)
- 	return 0;
- }
- 
--static int micron_quad_enable(struct spi_nor *nor)
--{
--	int ret;
--	u8 val;
--
--	ret = nor->read_reg(nor, SPINOR_OP_RD_EVCR, &val, 1);
--	if (ret < 0) {
--		dev_err(nor->dev, "error %d reading EVCR\n", ret);
--		return ret;
--	}
--
--	write_enable(nor);
--
--	/* set EVCR, enable quad I/O */
--	nor->cmd_buf[0] = val & ~EVCR_QUAD_EN_MICRON;
--	ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1);
--	if (ret < 0) {
--		dev_err(nor->dev, "error while writing EVCR register\n");
--		return ret;
--	}
--
--	ret = spi_nor_wait_till_ready(nor);
--	if (ret)
--		return ret;
--
--	/* read EVCR and check it */
--	ret = nor->read_reg(nor, SPINOR_OP_RD_EVCR, &val, 1);
--	if (ret < 0) {
--		dev_err(nor->dev, "error %d reading EVCR\n", ret);
--		return ret;
--	}
--	if (val & EVCR_QUAD_EN_MICRON) {
--		dev_err(nor->dev, "Micron EVCR Quad bit not clear\n");
--		return -EINVAL;
--	}
--
--	return 0;
--}
--
- static int set_quad_mode(struct spi_nor *nor, const struct flash_info *info)
- {
- 	int status;
-@@ -1119,12 +1228,7 @@ static int set_quad_mode(struct spi_nor *nor, const struct flash_info *info)
- 		}
- 		return status;
- 	case SNOR_MFR_MICRON:
--		status = micron_quad_enable(nor);
--		if (status) {
--			dev_err(nor->dev, "Micron quad-read not enabled\n");
--			return -EINVAL;
--		}
--		return status;
-+		return 0;
- 	default:
- 		status = spansion_quad_enable(nor);
- 		if (status) {
-@@ -1138,7 +1242,7 @@ static int set_quad_mode(struct spi_nor *nor, const struct flash_info *info)
+@@ -1094,7 +1242,7 @@
  static int spi_nor_check(struct spi_nor *nor)
  {
  	if (!nor->dev || !nor->read || !nor->write ||
@@ -4489,7 +4395,7 @@ index 4988390..157841d 100644
  		pr_err("spi-nor: please fill all the necessary fields!\n");
  		return -EINVAL;
  	}
-@@ -1151,7 +1255,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+@@ -1107,7 +1255,7 @@
  	const struct flash_info *info = NULL;
  	struct device *dev = nor->dev;
  	struct mtd_info *mtd = &nor->mtd;
@@ -4498,11 +4404,12 @@ index 4988390..157841d 100644
  	int ret;
  	int i;
  
-@@ -1201,9 +1305,10 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+@@ -1157,9 +1305,11 @@
  	if (JEDEC_MFR(info) == SNOR_MFR_ATMEL ||
  	    JEDEC_MFR(info) == SNOR_MFR_INTEL ||
- 	    JEDEC_MFR(info) == SNOR_MFR_SST ||
--	    JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
+ 	    JEDEC_MFR(info) == SNOR_MFR_MACRONIX ||
+-	    JEDEC_MFR(info) == SNOR_MFR_SST) {
++	    JEDEC_MFR(info) == SNOR_MFR_SST ||
 +	    info->flags & SPI_NOR_HAS_LOCK) {
  		write_enable(nor);
  		write_sr(nor, 0);
@@ -4510,16 +4417,17 @@ index 4988390..157841d 100644
  	}
  
  	if (!mtd->name)
-@@ -1218,7 +1323,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+@@ -1173,7 +1323,8 @@
+ 	mtd->_read = spi_nor_read;
  
  	/* NOR protection support for STmicro/Micron chips and similar */
- 	if (JEDEC_MFR(info) == SNOR_MFR_MICRON ||
--	    JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
+-	if (JEDEC_MFR(info) == SNOR_MFR_MICRON) {
++	if (JEDEC_MFR(info) == SNOR_MFR_MICRON ||
 +			info->flags & SPI_NOR_HAS_LOCK) {
  		nor->flash_lock = stm_lock;
  		nor->flash_unlock = stm_unlock;
  		nor->flash_is_locked = stm_is_locked;
-@@ -1238,6 +1343,8 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+@@ -1193,6 +1344,8 @@
  
  	if (info->flags & USE_FSR)
  		nor->flags |= SNOR_F_USE_FSR;
@@ -4528,7 +4436,7 @@ index 4988390..157841d 100644
  
  #ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS
  	/* prefer "small sector" erase if possible */
-@@ -1340,6 +1447,12 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, enum read_mode mode)
+@@ -1295,6 +1448,12 @@
  		nor->addr_width = 3;
  	}
  
@@ -4541,11 +4449,9 @@ index 4988390..157841d 100644
  	nor->read_dummy = spi_nor_read_dummy_cycles(nor);
  
  	dev_info(dev, "%s (%lld Kbytes)\n", info->name,
-diff --git a/drivers/mtd/tests/mtd_nandecctest.c b/drivers/mtd/tests/mtd_nandecctest.c
-index 7931615..88b6c81 100644
 --- a/drivers/mtd/tests/mtd_nandecctest.c
 +++ b/drivers/mtd/tests/mtd_nandecctest.c
-@@ -187,7 +187,7 @@ static int double_bit_error_detect(void *error_data, void *error_ecc,
+@@ -187,7 +187,7 @@
  	__nand_calculate_ecc(error_data, size, calc_ecc);
  	ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size);
  
@@ -4554,11 +4460,9 @@ index 7931615..88b6c81 100644
  }
  
  static const struct nand_ecc_test nand_ecc_test[] = {
-diff --git a/drivers/mtd/tests/oobtest.c b/drivers/mtd/tests/oobtest.c
-index 3176212..1cb3f77 100644
 --- a/drivers/mtd/tests/oobtest.c
 +++ b/drivers/mtd/tests/oobtest.c
-@@ -215,19 +215,19 @@ static int verify_eraseblock(int ebnum)
+@@ -215,19 +215,19 @@
  			pr_info("ignoring error as within bitflip_limit\n");
  		}
  
@@ -4581,7 +4485,7 @@ index 3176212..1cb3f77 100644
  				pr_err("error: readoob failed at %#llx\n",
  						(long long)addr);
  				errcnt += 1;
-@@ -244,7 +244,7 @@ static int verify_eraseblock(int ebnum)
+@@ -244,7 +244,7 @@
  			/* verify post-(use_offset + use_len) area for 0xff */
  			k = use_offset + use_len;
  			bitflips += memffshow(addr, k, readbuf + k,
@@ -4590,7 +4494,7 @@ index 3176212..1cb3f77 100644
  
  			if (bitflips > bitflip_limit) {
  				pr_err("error: verify failed at %#llx\n",
-@@ -269,8 +269,8 @@ static int verify_eraseblock_in_one_go(int ebnum)
+@@ -269,8 +269,8 @@
  	struct mtd_oob_ops ops;
  	int err = 0;
  	loff_t addr = (loff_t)ebnum * mtd->erasesize;
@@ -4601,7 +4505,7 @@ index 3176212..1cb3f77 100644
  	size_t bitflips;
  	int i;
  
-@@ -394,8 +394,8 @@ static int __init mtd_oobtest_init(void)
+@@ -394,8 +394,8 @@
  		goto out;
  
  	use_offset = 0;
@@ -4612,7 +4516,7 @@ index 3176212..1cb3f77 100644
  	vary_offset = 0;
  
  	/* First test: write all OOB, read it back and verify */
-@@ -460,8 +460,8 @@ static int __init mtd_oobtest_init(void)
+@@ -460,8 +460,8 @@
  
  	/* Write all eraseblocks */
  	use_offset = 0;
@@ -4623,7 +4527,7 @@ index 3176212..1cb3f77 100644
  	vary_offset = 1;
  	prandom_seed_state(&rnd_state, 5);
  
-@@ -471,8 +471,8 @@ static int __init mtd_oobtest_init(void)
+@@ -471,8 +471,8 @@
  
  	/* Check all eraseblocks */
  	use_offset = 0;
@@ -4634,7 +4538,7 @@ index 3176212..1cb3f77 100644
  	vary_offset = 1;
  	prandom_seed_state(&rnd_state, 5);
  	err = verify_all_eraseblocks();
-@@ -480,8 +480,8 @@ static int __init mtd_oobtest_init(void)
+@@ -480,8 +480,8 @@
  		goto out;
  
  	use_offset = 0;
@@ -4645,7 +4549,7 @@ index 3176212..1cb3f77 100644
  	vary_offset = 0;
  
  	/* Fourth test: try to write off end of device */
-@@ -501,7 +501,7 @@ static int __init mtd_oobtest_init(void)
+@@ -501,7 +501,7 @@
  	ops.retlen    = 0;
  	ops.ooblen    = 1;
  	ops.oobretlen = 0;
@@ -4654,7 +4558,7 @@ index 3176212..1cb3f77 100644
  	ops.datbuf    = NULL;
  	ops.oobbuf    = writebuf;
  	pr_info("attempting to start write past end of OOB\n");
-@@ -521,7 +521,7 @@ static int __init mtd_oobtest_init(void)
+@@ -521,7 +521,7 @@
  	ops.retlen    = 0;
  	ops.ooblen    = 1;
  	ops.oobretlen = 0;
@@ -4663,7 +4567,7 @@ index 3176212..1cb3f77 100644
  	ops.datbuf    = NULL;
  	ops.oobbuf    = readbuf;
  	pr_info("attempting to start read past end of OOB\n");
-@@ -543,7 +543,7 @@ static int __init mtd_oobtest_init(void)
+@@ -543,7 +543,7 @@
  		ops.mode      = MTD_OPS_AUTO_OOB;
  		ops.len       = 0;
  		ops.retlen    = 0;
@@ -4672,7 +4576,7 @@ index 3176212..1cb3f77 100644
  		ops.oobretlen = 0;
  		ops.ooboffs   = 0;
  		ops.datbuf    = NULL;
-@@ -563,7 +563,7 @@ static int __init mtd_oobtest_init(void)
+@@ -563,7 +563,7 @@
  		ops.mode      = MTD_OPS_AUTO_OOB;
  		ops.len       = 0;
  		ops.retlen    = 0;
@@ -4681,7 +4585,7 @@ index 3176212..1cb3f77 100644
  		ops.oobretlen = 0;
  		ops.ooboffs   = 0;
  		ops.datbuf    = NULL;
-@@ -587,7 +587,7 @@ static int __init mtd_oobtest_init(void)
+@@ -587,7 +587,7 @@
  		ops.mode      = MTD_OPS_AUTO_OOB;
  		ops.len       = 0;
  		ops.retlen    = 0;
@@ -4690,7 +4594,7 @@ index 3176212..1cb3f77 100644
  		ops.oobretlen = 0;
  		ops.ooboffs   = 1;
  		ops.datbuf    = NULL;
-@@ -607,7 +607,7 @@ static int __init mtd_oobtest_init(void)
+@@ -607,7 +607,7 @@
  		ops.mode      = MTD_OPS_AUTO_OOB;
  		ops.len       = 0;
  		ops.retlen    = 0;
@@ -4699,7 +4603,7 @@ index 3176212..1cb3f77 100644
  		ops.oobretlen = 0;
  		ops.ooboffs   = 1;
  		ops.datbuf    = NULL;
-@@ -638,7 +638,7 @@ static int __init mtd_oobtest_init(void)
+@@ -638,7 +638,7 @@
  	for (i = 0; i < ebcnt - 1; ++i) {
  		int cnt = 2;
  		int pg;
@@ -4708,7 +4612,7 @@ index 3176212..1cb3f77 100644
  		if (bbt[i] || bbt[i + 1])
  			continue;
  		addr = (loff_t)(i + 1) * mtd->erasesize - mtd->writesize;
-@@ -673,13 +673,12 @@ static int __init mtd_oobtest_init(void)
+@@ -673,13 +673,12 @@
  	for (i = 0; i < ebcnt - 1; ++i) {
  		if (bbt[i] || bbt[i + 1])
  			continue;
@@ -4724,7 +4628,7 @@ index 3176212..1cb3f77 100644
  		ops.oobretlen = 0;
  		ops.ooboffs   = 0;
  		ops.datbuf    = NULL;
-@@ -688,7 +687,7 @@ static int __init mtd_oobtest_init(void)
+@@ -688,7 +687,7 @@
  		if (err)
  			goto out;
  		if (memcmpshow(addr, readbuf, writebuf,
@@ -4733,11 +4637,9 @@ index 3176212..1cb3f77 100644
  			pr_err("error: verify failed at %#llx\n",
  			       (long long)addr);
  			errcnt += 1;
-diff --git a/drivers/mtd/tests/pagetest.c b/drivers/mtd/tests/pagetest.c
-index ba1890d..ff1e056 100644
 --- a/drivers/mtd/tests/pagetest.c
 +++ b/drivers/mtd/tests/pagetest.c
-@@ -127,13 +127,12 @@ static int crosstest(void)
+@@ -127,13 +127,12 @@
  	unsigned char *pp1, *pp2, *pp3, *pp4;
  
  	pr_info("crosstest\n");
@@ -4752,11 +4654,9 @@ index ba1890d..ff1e056 100644
  
  	addr0 = 0;
  	for (i = 0; i < ebcnt && bbt[i]; ++i)
-diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
-index 54e056d..ee2b74d 100644
 --- a/drivers/mtd/ubi/cdev.c
 +++ b/drivers/mtd/ubi/cdev.c
-@@ -174,9 +174,9 @@ static int vol_cdev_fsync(struct file *file, loff_t start, loff_t end,
+@@ -174,9 +174,9 @@
  	struct ubi_device *ubi = desc->vol->ubi;
  	struct inode *inode = file_inode(file);
  	int err;
@@ -4768,11 +4668,9 @@ index 54e056d..ee2b74d 100644
  	return err;
  }
  
-diff --git a/drivers/mtd/ubi/misc.c b/drivers/mtd/ubi/misc.c
-index 2a45ac2..989036c 100644
 --- a/drivers/mtd/ubi/misc.c
 +++ b/drivers/mtd/ubi/misc.c
-@@ -153,3 +153,52 @@ int ubi_check_pattern(const void *buf, uint8_t patt, int size)
+@@ -153,3 +153,52 @@
  			return 0;
  	return 1;
  }
@@ -4825,8 +4723,6 @@ index 2a45ac2..989036c 100644
 +	       ubi->ubi_num, __builtin_return_address(0), &vaf);
 +	va_end(args);
 +}
-diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
-index 2974b67..dadc6a9 100644
 --- a/drivers/mtd/ubi/ubi.h
 +++ b/drivers/mtd/ubi/ubi.h
 @@ -49,15 +49,19 @@
@@ -4855,24 +4751,9 @@ index 2974b67..dadc6a9 100644
  
  /* Background thread name pattern */
  #define UBI_BGT_NAME_PATTERN "ubi_bgt%dd"
-diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c
-index 2a1b6e0..0134ba3 100644
---- a/drivers/mtd/ubi/upd.c
-+++ b/drivers/mtd/ubi/upd.c
-@@ -193,7 +193,7 @@ int ubi_start_leb_change(struct ubi_device *ubi, struct ubi_volume *vol,
- 	vol->changing_leb = 1;
- 	vol->ch_lnum = req->lnum;
- 
--	vol->upd_buf = vmalloc(req->bytes);
-+	vol->upd_buf = vmalloc(ALIGN((int)req->bytes, ubi->min_io_size));
- 	if (!vol->upd_buf)
- 		return -ENOMEM;
- 
-diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
-index 5606563..17ec948 100644
 --- a/drivers/mtd/ubi/wl.c
 +++ b/drivers/mtd/ubi/wl.c
-@@ -628,6 +628,7 @@ static int do_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
+@@ -628,6 +628,7 @@
  	return __erase_worker(ubi, &wl_wrk);
  }
  
@@ -4880,7 +4761,7 @@ index 5606563..17ec948 100644
  /**
   * wear_leveling_worker - wear-leveling worker function.
   * @ubi: UBI device description object
-@@ -649,6 +650,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
+@@ -649,6 +650,7 @@
  #endif
  	struct ubi_wl_entry *e1, *e2;
  	struct ubi_vid_hdr *vid_hdr;
@@ -4888,7 +4769,7 @@ index 5606563..17ec948 100644
  
  	kfree(wrk);
  	if (shutdown)
-@@ -753,6 +755,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
+@@ -753,6 +755,7 @@
  
  	err = ubi_io_read_vid_hdr(ubi, e1->pnum, vid_hdr, 0);
  	if (err && err != UBI_IO_BITFLIPS) {
@@ -4896,7 +4777,7 @@ index 5606563..17ec948 100644
  		if (err == UBI_IO_FF) {
  			/*
  			 * We are trying to move PEB without a VID header. UBI
-@@ -798,10 +801,12 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
+@@ -798,10 +801,12 @@
  			 * protection queue.
  			 */
  			protect = 1;
@@ -4909,7 +4790,7 @@ index 5606563..17ec948 100644
  			goto out_not_moved;
  		}
  		if (err == MOVE_TARGET_BITFLIPS || err == MOVE_TARGET_WR_ERR ||
-@@ -827,6 +832,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
+@@ -827,6 +832,7 @@
  					ubi->erroneous_peb_count);
  				goto out_error;
  			}
@@ -4917,7 +4798,7 @@ index 5606563..17ec948 100644
  			erroneous = 1;
  			goto out_not_moved;
  		}
-@@ -897,15 +903,24 @@ out_not_moved:
+@@ -897,15 +903,24 @@
  		wl_tree_add(e1, &ubi->scrub);
  	else
  		wl_tree_add(e1, &ubi->used);
@@ -4945,11 +4826,9 @@ index 5606563..17ec948 100644
  
  	mutex_unlock(&ubi->move_mutex);
  	return 0;
-diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
-index 36bb6a5..3bf8f95 100644
 --- a/include/linux/mtd/bbm.h
 +++ b/include/linux/mtd/bbm.h
-@@ -166,7 +166,6 @@ struct bbm_info {
+@@ -166,7 +166,6 @@
  };
  
  /* OneNAND BBT interface */
@@ -4957,8 +4836,6 @@ index 36bb6a5..3bf8f95 100644
  extern int onenand_default_bbt(struct mtd_info *mtd);
  
  #endif	/* __LINUX_MTD_BBM_H */
-diff --git a/include/linux/mtd/fsmc.h b/include/linux/mtd/fsmc.h
-index c8be32e..ad3c348 100644
 --- a/include/linux/mtd/fsmc.h
 +++ b/include/linux/mtd/fsmc.h
 @@ -103,24 +103,6 @@
@@ -4986,11 +4863,9 @@ index c8be32e..ad3c348 100644
  struct fsmc_nand_timings {
  	uint8_t tclr;
  	uint8_t tar;
-diff --git a/include/linux/mtd/inftl.h b/include/linux/mtd/inftl.h
-index 02cd5f9..8255118 100644
 --- a/include/linux/mtd/inftl.h
 +++ b/include/linux/mtd/inftl.h
-@@ -44,7 +44,6 @@ struct INFTLrecord {
+@@ -44,7 +44,6 @@
  	unsigned int nb_blocks;		/* number of physical blocks */
  	unsigned int nb_boot_blocks;	/* number of blocks used by the bios */
  	struct erase_info instr;
@@ -4998,8 +4873,6 @@ index 02cd5f9..8255118 100644
  };
  
  int INFTL_mount(struct INFTLrecord *s);
-diff --git a/include/linux/mtd/map.h b/include/linux/mtd/map.h
-index 366cf77..5e0eb7c 100644
 --- a/include/linux/mtd/map.h
 +++ b/include/linux/mtd/map.h
 @@ -142,7 +142,9 @@
@@ -5012,7 +4885,7 @@ index 366cf77..5e0eb7c 100644
  static inline int map_bankwidth(void *map)
  {
  	BUG();
-@@ -238,8 +240,11 @@ struct map_info {
+@@ -238,8 +240,11 @@
  	   If there is no cache to care about this can be set to NULL. */
  	void (*inval_cache)(struct map_info *, unsigned long, ssize_t);
  
@@ -5026,11 +4899,9 @@ index 366cf77..5e0eb7c 100644
  	void (*set_vpp)(struct map_info *, int);
  
  	unsigned long pfow_base;
-diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
-index f17fa75..df8c116 100644
 --- a/include/linux/mtd/mtd.h
 +++ b/include/linux/mtd/mtd.h
-@@ -96,17 +96,35 @@ struct mtd_oob_ops {
+@@ -100,17 +100,35 @@
  
  #define MTD_MAX_OOBFREE_ENTRIES_LARGE	32
  #define MTD_MAX_ECCPOS_ENTRIES_LARGE	640
@@ -5075,7 +4946,7 @@ index f17fa75..df8c116 100644
  };
  
  struct module;	/* only needed for owner field in mtd_info */
-@@ -167,8 +185,8 @@ struct mtd_info {
+@@ -171,8 +189,8 @@
  	const char *name;
  	int index;
  
@@ -5086,7 +4957,7 @@ index f17fa75..df8c116 100644
  
  	/* the ecc step size. */
  	unsigned int ecc_step_size;
-@@ -254,6 +272,46 @@ struct mtd_info {
+@@ -258,6 +276,46 @@
  	int usecount;
  };
  
@@ -5133,11 +5004,9 @@ index f17fa75..df8c116 100644
  int mtd_erase(struct mtd_info *mtd, struct erase_info *instr);
  int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen,
  	      void **virt, resource_size_t *phys);
-diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
-index 5a9d1d4..d766c12 100644
 --- a/include/linux/mtd/nand.h
 +++ b/include/linux/mtd/nand.h
-@@ -119,6 +119,12 @@ typedef enum {
+@@ -119,6 +119,12 @@
  	NAND_ECC_SOFT_BCH,
  } nand_ecc_modes_t;
  
@@ -5150,7 +5019,7 @@ index 5a9d1d4..d766c12 100644
  /*
   * Constants for Hardware ECC
   */
-@@ -129,6 +135,14 @@ typedef enum {
+@@ -129,6 +135,14 @@
  /* Enable Hardware ECC before syndrome is read back from flash */
  #define NAND_ECC_READSYN	2
  
@@ -5165,7 +5034,7 @@ index 5a9d1d4..d766c12 100644
  /* Bit mask for flags passed to do_nand_read_ecc */
  #define NAND_GET_DEVICE		0x80
  
-@@ -160,6 +174,12 @@ typedef enum {
+@@ -160,6 +174,12 @@
  /* Device supports subpage reads */
  #define NAND_SUBPAGE_READ	0x00001000
  
@@ -5178,7 +5047,7 @@ index 5a9d1d4..d766c12 100644
  /* Options valid for Samsung large page devices */
  #define NAND_SAMSUNG_LP_OPTIONS NAND_CACHEPRG
  
-@@ -276,15 +296,15 @@ struct nand_onfi_params {
+@@ -276,15 +296,15 @@
  	__le16 t_r;
  	__le16 t_ccs;
  	__le16 src_sync_timing_mode;
@@ -5197,7 +5066,7 @@ index 5a9d1d4..d766c12 100644
  
  	/* vendor */
  	__le16 vendor_revision;
-@@ -407,7 +427,7 @@ struct nand_jedec_params {
+@@ -407,7 +427,7 @@
  	__le16 input_pin_capacitance_typ;
  	__le16 clk_pin_capacitance_typ;
  	u8 driver_strength_support;
@@ -5206,7 +5075,7 @@ index 5a9d1d4..d766c12 100644
  	u8 reserved4[36];
  
  	/* ECC and endurance block */
-@@ -444,6 +464,7 @@ struct nand_hw_control {
+@@ -444,6 +464,7 @@
  /**
   * struct nand_ecc_ctrl - Control structure for ECC
   * @mode:	ECC mode
@@ -5214,7 +5083,7 @@ index 5a9d1d4..d766c12 100644
   * @steps:	number of ECC steps per page
   * @size:	data bytes per ECC step
   * @bytes:	ECC bytes per step
-@@ -451,12 +472,18 @@ struct nand_hw_control {
+@@ -451,12 +472,18 @@
   * @total:	total number of ECC bytes per page
   * @prepad:	padding information for syndrome based ECC generators
   * @postpad:	padding information for syndrome based ECC generators
@@ -5235,7 +5104,7 @@ index 5a9d1d4..d766c12 100644
   * @read_page_raw:	function to read a raw page without ECC. This function
   *			should hide the specific layout used by the ECC
   *			controller and always return contiguous in-band and
-@@ -487,6 +514,7 @@ struct nand_hw_control {
+@@ -487,6 +514,7 @@
   */
  struct nand_ecc_ctrl {
  	nand_ecc_modes_t mode;
@@ -5243,7 +5112,7 @@ index 5a9d1d4..d766c12 100644
  	int steps;
  	int size;
  	int bytes;
-@@ -494,7 +522,7 @@ struct nand_ecc_ctrl {
+@@ -494,7 +522,7 @@
  	int strength;
  	int prepad;
  	int postpad;
@@ -5252,7 +5121,7 @@ index 5a9d1d4..d766c12 100644
  	void *priv;
  	void (*hwctl)(struct mtd_info *mtd, int mode);
  	int (*calculate)(struct mtd_info *mtd, const uint8_t *dat,
-@@ -540,11 +568,11 @@ struct nand_buffers {
+@@ -540,11 +568,11 @@
  
  /**
   * struct nand_chip - NAND Private Flash Chip Data
@@ -5265,7 +5134,7 @@ index 5a9d1d4..d766c12 100644
   * @read_byte:		[REPLACEABLE] read one byte from the chip
   * @read_word:		[REPLACEABLE] read one word from the chip
   * @write_byte:		[REPLACEABLE] write a single byte to the chip on the
-@@ -640,18 +668,17 @@ struct nand_buffers {
+@@ -640,18 +668,17 @@
   */
  
  struct nand_chip {
@@ -5286,7 +5155,7 @@ index 5a9d1d4..d766c12 100644
  	int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
  	void (*cmd_ctrl)(struct mtd_info *mtd, int dat, unsigned int ctrl);
  	int (*dev_ready)(struct mtd_info *mtd);
-@@ -719,6 +746,40 @@ struct nand_chip {
+@@ -719,6 +746,40 @@
  	void *priv;
  };
  
@@ -5327,7 +5196,7 @@ index 5a9d1d4..d766c12 100644
  /*
   * NAND Flash Manufacturer ID Codes
   */
-@@ -850,7 +911,6 @@ extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len,
+@@ -850,7 +911,6 @@
   * @chip_delay:		R/B delay value in us
   * @options:		Option flags, e.g. 16bit buswidth
   * @bbt_options:	BBT option flags, e.g. NAND_BBT_USE_FLASH
@@ -5335,7 +5204,7 @@ index 5a9d1d4..d766c12 100644
   * @part_probe_types:	NULL-terminated array of probe types
   */
  struct platform_nand_chip {
-@@ -858,7 +918,6 @@ struct platform_nand_chip {
+@@ -858,7 +918,6 @@
  	int chip_offset;
  	int nr_partitions;
  	struct mtd_partition *partitions;
@@ -5343,7 +5212,7 @@ index 5a9d1d4..d766c12 100644
  	int chip_delay;
  	unsigned int options;
  	unsigned int bbt_options;
-@@ -907,15 +966,6 @@ struct platform_nand_data {
+@@ -908,15 +967,6 @@
  	struct platform_nand_ctrl ctrl;
  };
  
@@ -5359,11 +5228,9 @@ index 5a9d1d4..d766c12 100644
  /* return the supported features. */
  static inline int onfi_feature(struct nand_chip *chip)
  {
-diff --git a/include/linux/mtd/nand_bch.h b/include/linux/mtd/nand_bch.h
-index 74acf53..98f20ef 100644
 --- a/include/linux/mtd/nand_bch.h
 +++ b/include/linux/mtd/nand_bch.h
-@@ -32,9 +32,7 @@ int nand_bch_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc,
+@@ -32,9 +32,7 @@
  /*
   * Initialize BCH encoder/decoder
   */
@@ -5374,7 +5241,7 @@ index 74acf53..98f20ef 100644
  /*
   * Release BCH encoder/decoder resources
   */
-@@ -55,12 +53,10 @@ static inline int
+@@ -55,12 +53,10 @@
  nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf,
  		      unsigned char *read_ecc, unsigned char *calc_ecc)
  {
@@ -5389,11 +5256,9 @@ index 74acf53..98f20ef 100644
  {
  	return NULL;
  }
-diff --git a/include/linux/mtd/nftl.h b/include/linux/mtd/nftl.h
-index b059629..044daa0 100644
 --- a/include/linux/mtd/nftl.h
 +++ b/include/linux/mtd/nftl.h
-@@ -50,7 +50,6 @@ struct NFTLrecord {
+@@ -50,7 +50,6 @@
          unsigned int nb_blocks;		/* number of physical blocks */
          unsigned int nb_boot_blocks;	/* number of blocks used by the bios */
          struct erase_info instr;
@@ -5401,11 +5266,9 @@ index b059629..044daa0 100644
  };
  
  int NFTL_mount(struct NFTLrecord *s);
-diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
-index 4596503..0aaa98b 100644
 --- a/include/linux/mtd/onenand.h
 +++ b/include/linux/mtd/onenand.h
-@@ -80,7 +80,6 @@ struct onenand_bufferram {
+@@ -80,7 +80,6 @@
   * @page_buf:		[INTERN] page main data buffer
   * @oob_buf:		[INTERN] page oob data buffer
   * @subpagesize:	[INTERN] holds the subpagesize
@@ -5413,7 +5276,7 @@ index 4596503..0aaa98b 100644
   * @bbm:		[REPLACEABLE] pointer to Bad Block Management
   * @priv:		[OPTIONAL] pointer to private chip date
   */
-@@ -134,7 +133,6 @@ struct onenand_chip {
+@@ -134,7 +133,6 @@
  #endif
  
  	int			subpagesize;
@@ -5421,11 +5284,9 @@ index 4596503..0aaa98b 100644
  
  	void			*bbm;
  
-diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
-index 6a35e6d..70736e1 100644
 --- a/include/linux/mtd/partitions.h
 +++ b/include/linux/mtd/partitions.h
-@@ -41,7 +41,6 @@ struct mtd_partition {
+@@ -42,7 +42,6 @@
  	uint64_t size;			/* partition size */
  	uint64_t offset;		/* offset within the master MTD space */
  	uint32_t mask_flags;		/* master MTD flags to mask out for this partition */
@@ -5433,7 +5294,7 @@ index 6a35e6d..70736e1 100644
  };
  
  #define MTDPART_OFS_RETAIN	(-3)
-@@ -56,11 +55,9 @@ struct device_node;
+@@ -56,11 +55,9 @@
  /**
   * struct mtd_part_parser_data - used to pass data to MTD partition parsers.
   * @origin: for RedBoot, start address of MTD device
@@ -5445,7 +5306,7 @@ index 6a35e6d..70736e1 100644
  };
  
  
-@@ -72,13 +69,33 @@ struct mtd_part_parser {
+@@ -78,14 +75,34 @@
  	struct list_head list;
  	struct module *owner;
  	const char *name;
@@ -5453,6 +5314,7 @@ index 6a35e6d..70736e1 100644
 +	int (*parse_fn)(struct mtd_info *, const struct mtd_partition **,
  			struct mtd_part_parser_data *);
 +	void (*cleanup)(const struct mtd_partition *pparts, int nr_parts);
+ 	enum mtd_parser_type type;
  };
  
 -extern void register_mtd_parser(struct mtd_part_parser *parser);
@@ -5481,11 +5343,9 @@ index 6a35e6d..70736e1 100644
  int mtd_is_partition(const struct mtd_info *mtd);
  int mtd_add_partition(struct mtd_info *master, const char *name,
  		      long long offset, long long length);
-diff --git a/include/linux/mtd/sh_flctl.h b/include/linux/mtd/sh_flctl.h
-index 1c28f88..2251add 100644
 --- a/include/linux/mtd/sh_flctl.h
 +++ b/include/linux/mtd/sh_flctl.h
-@@ -143,11 +143,11 @@ enum flctl_ecc_res_t {
+@@ -143,11 +143,11 @@
  struct dma_chan;
  
  struct sh_flctl {
@@ -5498,7 +5358,7 @@ index 1c28f88..2251add 100644
  
  	uint8_t	done_buff[2048 + 64];	/* max size 2048 + 64 */
  	int	read_bytes;
-@@ -186,7 +186,7 @@ struct sh_flctl_platform_data {
+@@ -186,7 +186,7 @@
  
  static inline struct sh_flctl *mtd_to_flctl(struct mtd_info *mtdinfo)
  {
@@ -5507,8 +5367,6 @@ index 1c28f88..2251add 100644
  }
  
  #endif	/* __SH_FLCTL_H__ */
-diff --git a/include/linux/mtd/sharpsl.h b/include/linux/mtd/sharpsl.h
-index 25f4d2a..65e91d0 100644
 --- a/include/linux/mtd/sharpsl.h
 +++ b/include/linux/mtd/sharpsl.h
 @@ -14,7 +14,7 @@
@@ -5520,94 +5378,9 @@ index 25f4d2a..65e91d0 100644
  	struct mtd_partition	*partitions;
  	unsigned int		nr_partitions;
  };
-diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
-index c8723b6..3c36113 100644
---- a/include/linux/mtd/spi-nor.h
-+++ b/include/linux/mtd/spi-nor.h
-@@ -12,6 +12,7 @@
- 
- #include <linux/bitops.h>
- #include <linux/mtd/cfi.h>
-+#include <linux/mtd/mtd.h>
- 
- /*
-  * Manufacturer IDs
-@@ -25,7 +26,7 @@
- #define SNOR_MFR_MACRONIX	CFI_MFR_MACRONIX
- #define SNOR_MFR_SPANSION	CFI_MFR_AMD
- #define SNOR_MFR_SST		CFI_MFR_SST
--#define SNOR_MFR_WINBOND	0xef
-+#define SNOR_MFR_WINBOND	0xef /* Also used by some Spansion */
- 
- /*
-  * Note on opcode nomenclature: some opcodes have a format like
-@@ -84,6 +85,7 @@
- #define SR_BP0			BIT(2)	/* Block protect 0 */
- #define SR_BP1			BIT(3)	/* Block protect 1 */
- #define SR_BP2			BIT(4)	/* Block protect 2 */
-+#define SR_TB			BIT(5)	/* Top/Bottom protect */
- #define SR_SRWD			BIT(7)	/* SR write protect */
- 
- #define SR_QUAD_EN_MX		BIT(6)	/* Macronix Quad I/O */
-@@ -115,16 +117,14 @@ enum spi_nor_ops {
- 
- enum spi_nor_option_flags {
- 	SNOR_F_USE_FSR		= BIT(0),
-+	SNOR_F_HAS_SR_TB	= BIT(1),
- };
- 
--struct mtd_info;
--
- /**
-  * struct spi_nor - Structure for defining a the SPI NOR layer
-  * @mtd:		point to a mtd_info structure
-  * @lock:		the lock for the read/write/erase/lock/unlock operations
-  * @dev:		point to a spi device, or a spi nor controller device.
-- * @flash_node:		point to a device node describing this flash instance.
-  * @page_size:		the page size of the SPI NOR
-  * @addr_width:		number of address bytes
-  * @erase_opcode:	the opcode for erasing a sector
-@@ -144,7 +144,8 @@ struct mtd_info;
-  * @read:		[DRIVER-SPECIFIC] read data from the SPI NOR
-  * @write:		[DRIVER-SPECIFIC] write data to the SPI NOR
-  * @erase:		[DRIVER-SPECIFIC] erase a sector of the SPI NOR
-- *			at the offset @offs
-+ *			at the offset @offs; if not provided by the driver,
-+ *			spi-nor will send the erase opcode via write_reg()
-  * @flash_lock:		[FLASH-SPECIFIC] lock a region of the SPI NOR
-  * @flash_unlock:	[FLASH-SPECIFIC] unlock a region of the SPI NOR
-  * @flash_is_locked:	[FLASH-SPECIFIC] check if a region of the SPI NOR is
-@@ -155,7 +156,6 @@ struct spi_nor {
- 	struct mtd_info		mtd;
- 	struct mutex		lock;
- 	struct device		*dev;
--	struct device_node	*flash_node;
- 	u32			page_size;
- 	u8			addr_width;
- 	u8			erase_opcode;
-@@ -185,6 +185,17 @@ struct spi_nor {
- 	void *priv;
- };
- 
-+static inline void spi_nor_set_flash_node(struct spi_nor *nor,
-+					  struct device_node *np)
-+{
-+	mtd_set_of_node(&nor->mtd, np);
-+}
-+
-+static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor)
-+{
-+	return mtd_get_of_node(&nor->mtd);
-+}
-+
- /**
-  * spi_nor_scan() - scan the SPI NOR
-  * @nor:	the spi_nor structure
-diff --git a/include/uapi/mtd/mtd-abi.h b/include/uapi/mtd/mtd-abi.h
-index 763bb69..0ec1da2 100644
 --- a/include/uapi/mtd/mtd-abi.h
 +++ b/include/uapi/mtd/mtd-abi.h
-@@ -228,7 +228,7 @@ struct nand_oobfree {
+@@ -228,7 +228,7 @@
   * complete set of ECC information. The ioctl truncates the larger internal
   * structure to retain binary compatibility with the static declaration of the
   * ioctl. Note that the "MTD_MAX_..._ENTRIES" macros represent the max size of
@@ -5616,6 +5389,30 @@ index 763bb69..0ec1da2 100644
   */
  struct nand_ecclayout_user {
  	__u32 eccbytes;
--- 
-1.7.10.4
-
+--- a/fs/jffs2/wbuf.c
++++ b/fs/jffs2/wbuf.c
+@@ -1183,22 +1183,20 @@
+ 
+ int jffs2_nand_flash_setup(struct jffs2_sb_info *c)
+ {
+-	struct nand_ecclayout *oinfo = c->mtd->ecclayout;
+-
+ 	if (!c->mtd->oobsize)
+ 		return 0;
+ 
+ 	/* Cleanmarker is out-of-band, so inline size zero */
+ 	c->cleanmarker_size = 0;
+ 
+-	if (!oinfo || oinfo->oobavail == 0) {
++	if (c->oobavail == 0) {
+ 		pr_err("inconsistent device description\n");
+ 		return -EINVAL;
+ 	}
+ 
+ 	jffs2_dbg(1, "using OOB on NAND\n");
+ 
+-	c->oobavail = oinfo->oobavail;
++	c->oobavail = c->mtd->oobavail;
+ 
+ 	/* Initialise write buffer */
+ 	init_rwsem(&c->wbuf_sem);