+++ /dev/null
-Index: linux-3.14.27/drivers/mtd/mtdpart.c
-===================================================================
---- linux-3.14.27.orig/drivers/mtd/mtdpart.c
-+++ linux-3.14.27/drivers/mtd/mtdpart.c
-@@ -29,11 +29,9 @@
- #include <linux/kmod.h>
- #include <linux/mtd/mtd.h>
- #include <linux/mtd/partitions.h>
--#include <linux/magic.h>
- #include <linux/err.h>
-
- #include "mtdcore.h"
--#include "mtdsplit/mtdsplit.h"
-
- #define MTD_ERASE_PARTIAL 0x8000 /* partition only covers parts of an erase block */
-
-@@ -49,14 +47,13 @@ struct mtd_part {
- struct list_head list;
- };
-
--static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part);
--
- /*
- * Given a pointer to the MTD object in the mtd_part structure, we can retrieve
- * the pointer to that structure with this macro.
- */
- #define PART(x) ((struct mtd_part *)(x))
-
-+
- /*
- * MTD methods which simply translate the effective address and pass through
- * to the _real_ device.
-@@ -509,12 +506,14 @@ static struct mtd_part *allocate_partiti
- if (slave->offset == MTDPART_OFS_APPEND)
- slave->offset = cur_offset;
- if (slave->offset == MTDPART_OFS_NXTBLK) {
-- /* Round up to next erasesize */
-- slave->offset = mtd_roundup_to_eb(cur_offset, master);
-- if (slave->offset != cur_offset)
-+ slave->offset = cur_offset;
-+ if (mtd_mod_by_eb(cur_offset, master) != 0) {
-+ /* Round up to next erasesize */
-+ slave->offset = (mtd_div_by_eb(cur_offset, master) + 1) * master->erasesize;
- printk(KERN_NOTICE "Moving partition %d: "
- "0x%012llx -> 0x%012llx\n", partno,
- (unsigned long long)cur_offset, (unsigned long long)slave->offset);
-+ }
- }
- if (slave->offset == MTDPART_OFS_RETAIN) {
- slave->offset = cur_offset;
-@@ -616,10 +615,8 @@ out_register:
- return slave;
- }
-
--
--static int
--__mtd_add_partition(struct mtd_info *master, const char *name,
-- long long offset, long long length, bool dup_check)
-+int mtd_add_partition(struct mtd_info *master, const char *name,
-+ long long offset, long long length)
- {
- struct mtd_partition part;
- struct mtd_part *p, *new;
-@@ -651,24 +648,21 @@ __mtd_add_partition(struct mtd_info *mas
- end = offset + length;
-
- mutex_lock(&mtd_partitions_mutex);
-- if (dup_check) {
-- list_for_each_entry(p, &mtd_partitions, list)
-- if (p->master == master) {
-- if ((start >= p->offset) &&
-- (start < (p->offset + p->mtd.size)))
-- goto err_inv;
--
-- if ((end >= p->offset) &&
-- (end < (p->offset + p->mtd.size)))
-- goto err_inv;
-- }
-- }
-+ list_for_each_entry(p, &mtd_partitions, list)
-+ if (p->master == master) {
-+ if ((start >= p->offset) &&
-+ (start < (p->offset + p->mtd.size)))
-+ goto err_inv;
-+
-+ if ((end >= p->offset) &&
-+ (end < (p->offset + p->mtd.size)))
-+ goto err_inv;
-+ }
-
- list_add(&new->list, &mtd_partitions);
- mutex_unlock(&mtd_partitions_mutex);
-
- add_mtd_device(&new->mtd);
-- mtd_partition_split(master, new);
-
- return ret;
- err_inv:
-@@ -678,12 +672,6 @@ err_inv:
- }
- EXPORT_SYMBOL_GPL(mtd_add_partition);
-
--int mtd_add_partition(struct mtd_info *master, const char *name,
-- long long offset, long long length)
--{
-- return __mtd_add_partition(master, name, offset, length, true);
--}
--
- int mtd_del_partition(struct mtd_info *master, int partno)
- {
- struct mtd_part *slave, *next;
-@@ -707,166 +695,6 @@ int mtd_del_partition(struct mtd_info *m
- }
- EXPORT_SYMBOL_GPL(mtd_del_partition);
-
--static int
--run_parsers_by_type(struct mtd_part *slave, enum mtd_parser_type type)
--{
-- struct mtd_partition *parts;
-- int nr_parts;
-- int i;
--
-- nr_parts = parse_mtd_partitions_by_type(&slave->mtd, type, &parts,
-- NULL);
-- if (nr_parts <= 0)
-- return nr_parts;
--
-- if (WARN_ON(!parts))
-- return 0;
--
-- for (i = 0; i < nr_parts; i++) {
-- /* adjust partition offsets */
-- parts[i].offset += slave->offset;
--
-- __mtd_add_partition(slave->master,
-- parts[i].name,
-- parts[i].offset,
-- parts[i].size,
-- false);
-- }
--
-- kfree(parts);
--
-- return nr_parts;
--}
--
--static inline unsigned long
--mtd_pad_erasesize(struct mtd_info *mtd, int offset, int len)
--{
-- unsigned long mask = mtd->erasesize - 1;
--
-- len += offset & mask;
-- len = (len + mask) & ~mask;
-- len -= offset & mask;
-- return len;
--}
--
--static int split_squashfs(struct mtd_info *master, int offset, int *split_offset)
--{
-- size_t squashfs_len;
-- int len, ret;
--
-- ret = mtd_get_squashfs_len(master, offset, &squashfs_len);
-- if (ret)
-- return ret;
--
-- len = mtd_pad_erasesize(master, offset, squashfs_len);
-- *split_offset = offset + len;
--
-- return 0;
--}
--
--static void split_rootfs_data(struct mtd_info *master, struct mtd_part *part)
--{
-- unsigned int split_offset = 0;
-- unsigned int split_size;
-- int ret;
--
-- ret = split_squashfs(master, part->offset, &split_offset);
-- if (ret)
-- return;
--
-- if (split_offset <= 0)
-- return;
--
-- if (config_enabled(CONFIG_MTD_SPLIT_SQUASHFS_ROOT))
-- pr_err("Dedicated partitioner didn't create \"rootfs_data\" partition, please fill a bug report!\n");
-- else
-- pr_warn("Support for built-in \"rootfs_data\" splitter will be removed, please use CONFIG_MTD_SPLIT_SQUASHFS_ROOT\n");
--
-- split_size = part->mtd.size - (split_offset - part->offset);
-- printk(KERN_INFO "mtd: partition \"%s\" created automatically, ofs=0x%x, len=0x%x\n",
-- ROOTFS_SPLIT_NAME, split_offset, split_size);
--
-- __mtd_add_partition(master, ROOTFS_SPLIT_NAME, split_offset,
-- split_size, false);
--}
--
--#define UBOOT_MAGIC 0x27051956
--
--static void split_uimage(struct mtd_info *master, struct mtd_part *part)
--{
-- struct {
-- __be32 magic;
-- __be32 pad[2];
-- __be32 size;
-- } hdr;
-- size_t len;
--
-- if (mtd_read(master, part->offset, sizeof(hdr), &len, (void *) &hdr))
-- return;
--
-- if (len != sizeof(hdr) || hdr.magic != cpu_to_be32(UBOOT_MAGIC))
-- return;
--
-- len = be32_to_cpu(hdr.size) + 0x40;
-- len = mtd_pad_erasesize(master, part->offset, len);
-- if (len + master->erasesize > part->mtd.size)
-- return;
--
-- if (config_enabled(CONFIG_MTD_SPLIT_UIMAGE_FW))
-- pr_err("Dedicated partitioner didn't split firmware partition, please fill a bug report!\n");
-- else
-- pr_warn("Support for built-in firmware splitter will be removed, please use CONFIG_MTD_SPLIT_UIMAGE_FW\n");
--
-- __mtd_add_partition(master, "rootfs", part->offset + len,
-- part->mtd.size - len, false);
--}
--
--#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
--#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
--#else
--#define SPLIT_FIRMWARE_NAME "unused"
--#endif
--
--static void split_firmware(struct mtd_info *master, struct mtd_part *part)
--{
-- int ret;
--
-- ret = run_parsers_by_type(part, MTD_PARSER_TYPE_FIRMWARE);
-- if (ret > 0)
-- return;
--
-- if (config_enabled(CONFIG_MTD_UIMAGE_SPLIT))
-- split_uimage(master, part);
--}
--
--void __weak arch_split_mtd_part(struct mtd_info *master, const char *name,
-- int offset, int size)
--{
--}
--
--static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part)
--{
-- static int rootfs_found = 0;
--
-- if (rootfs_found)
-- return;
--
-- if (!strcmp(part->mtd.name, "rootfs")) {
-- int num = run_parsers_by_type(part, MTD_PARSER_TYPE_ROOTFS);
--
-- if (num <= 0 && config_enabled(CONFIG_MTD_ROOTFS_SPLIT))
-- split_rootfs_data(master, part);
--
-- rootfs_found = 1;
-- }
--
-- if (!strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) &&
-- config_enabled(CONFIG_MTD_SPLIT_FIRMWARE))
-- split_firmware(master, part);
--
-- arch_split_mtd_part(master, part->mtd.name, part->offset,
-- part->mtd.size);
--}
- /*
- * This function, given a master MTD object and a partition table, creates
- * and registers slave MTD objects which are bound to the master according to
-@@ -896,7 +724,6 @@ int add_mtd_partitions(struct mtd_info *
- mutex_unlock(&mtd_partitions_mutex);
-
- add_mtd_device(&slave->mtd);
-- mtd_partition_split(master, slave);
-
- cur_offset = slave->offset + slave->mtd.size;
- }
-@@ -926,30 +753,6 @@ static struct mtd_part_parser *get_parti
-
- #define put_partition_parser(p) do { module_put((p)->owner); } while (0)
-
--static struct mtd_part_parser *
--get_partition_parser_by_type(enum mtd_parser_type type,
-- struct mtd_part_parser *start)
--{
-- struct mtd_part_parser *p, *ret = NULL;
--
-- spin_lock(&part_parser_lock);
--
-- p = list_prepare_entry(start, &part_parsers, list);
-- if (start)
-- put_partition_parser(start);
--
-- list_for_each_entry_continue(p, &part_parsers, list) {
-- if (p->type == type && try_module_get(p->owner)) {
-- ret = p;
-- break;
-- }
-- }
--
-- spin_unlock(&part_parser_lock);
--
-- return ret;
--}
--
- void register_mtd_parser(struct mtd_part_parser *p)
- {
- spin_lock(&part_parser_lock);
-@@ -1023,38 +826,6 @@ int parse_mtd_partitions(struct mtd_info
- return ret;
- }
-
--int parse_mtd_partitions_by_type(struct mtd_info *master,
-- enum mtd_parser_type type,
-- struct mtd_partition **pparts,
-- struct mtd_part_parser_data *data)
--{
-- struct mtd_part_parser *prev = NULL;
-- int ret = 0;
--
-- while (1) {
-- struct mtd_part_parser *parser;
--
-- parser = get_partition_parser_by_type(type, prev);
-- if (!parser)
-- break;
--
-- ret = (*parser->parse_fn)(master, pparts, data);
--
-- if (ret > 0) {
-- put_partition_parser(parser);
-- printk(KERN_NOTICE
-- "%d %s partitions found on MTD device %s\n",
-- ret, parser->name, master->name);
-- break;
-- }
--
-- prev = parser;
-- }
--
-- return ret;
--}
--EXPORT_SYMBOL_GPL(parse_mtd_partitions_by_type);
--
- int mtd_is_partition(const struct mtd_info *mtd)
- {
- struct mtd_part *part;
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