diff options
Diffstat (limited to 'target/linux/adm5120/patches-3.14/050-revert_rootfs_splits.patch')
| -rw-r--r-- | target/linux/adm5120/patches-3.14/050-revert_rootfs_splits.patch | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/target/linux/adm5120/patches-3.14/050-revert_rootfs_splits.patch b/target/linux/adm5120/patches-3.14/050-revert_rootfs_splits.patch deleted file mode 100644 index dd41b2b03c..0000000000 --- a/target/linux/adm5120/patches-3.14/050-revert_rootfs_splits.patch +++ /dev/null @@ -1,356 +0,0 @@ -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; |