diff options
Diffstat (limited to 'target/linux/generic/patches-4.9/404-mtd-add-more-helper-functions.patch')
-rw-r--r-- | target/linux/generic/patches-4.9/404-mtd-add-more-helper-functions.patch | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/target/linux/generic/patches-4.9/404-mtd-add-more-helper-functions.patch b/target/linux/generic/patches-4.9/404-mtd-add-more-helper-functions.patch deleted file mode 100644 index ef7b671b8b..0000000000 --- a/target/linux/generic/patches-4.9/404-mtd-add-more-helper-functions.patch +++ /dev/null @@ -1,83 +0,0 @@ ---- a/drivers/mtd/mtdpart.c -+++ b/drivers/mtd/mtdpart.c -@@ -791,6 +791,17 @@ run_parsers_by_type(struct mtd_part *sla - 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; -+} -+ - #ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME - #define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME - #else -@@ -1146,6 +1157,24 @@ int mtd_is_partition(const struct mtd_in - } - EXPORT_SYMBOL_GPL(mtd_is_partition); - -+struct mtd_info *mtdpart_get_master(const struct mtd_info *mtd) -+{ -+ if (!mtd_is_partition(mtd)) -+ return (struct mtd_info *)mtd; -+ -+ return mtd_to_part(mtd)->parent; -+} -+EXPORT_SYMBOL_GPL(mtdpart_get_master); -+ -+uint64_t mtdpart_get_offset(const struct mtd_info *mtd) -+{ -+ if (!mtd_is_partition(mtd)) -+ return 0; -+ -+ return mtd_to_part(mtd)->offset; -+} -+EXPORT_SYMBOL_GPL(mtdpart_get_offset); -+ - /* Returns the size of the entire flash chip */ - uint64_t mtd_get_device_size(const struct mtd_info *mtd) - { ---- a/include/linux/mtd/partitions.h -+++ b/include/linux/mtd/partitions.h -@@ -114,6 +114,8 @@ int mtd_is_partition(const struct mtd_in - int mtd_add_partition(struct mtd_info *master, const char *name, - long long offset, long long length); - int mtd_del_partition(struct mtd_info *master, int partno); -+struct mtd_info *mtdpart_get_master(const struct mtd_info *mtd); -+uint64_t mtdpart_get_offset(const struct mtd_info *mtd); - uint64_t mtd_get_device_size(const struct mtd_info *mtd); - extern void __weak arch_split_mtd_part(struct mtd_info *master, - const char *name, int offset, int size); ---- a/include/linux/mtd/mtd.h -+++ b/include/linux/mtd/mtd.h -@@ -485,6 +485,24 @@ static inline uint32_t mtd_mod_by_eb(uin - return do_div(sz, mtd->erasesize); - } - -+static inline uint64_t mtd_roundup_to_eb(uint64_t sz, struct mtd_info *mtd) -+{ -+ if (mtd_mod_by_eb(sz, mtd) == 0) -+ return sz; -+ -+ /* Round up to next erase block */ -+ return (mtd_div_by_eb(sz, mtd) + 1) * mtd->erasesize; -+} -+ -+static inline uint64_t mtd_rounddown_to_eb(uint64_t sz, struct mtd_info *mtd) -+{ -+ if (mtd_mod_by_eb(sz, mtd) == 0) -+ return sz; -+ -+ /* Round down to the start of the current erase block */ -+ return (mtd_div_by_eb(sz, mtd)) * mtd->erasesize; -+} -+ - static inline uint32_t mtd_div_by_ws(uint64_t sz, struct mtd_info *mtd) - { - if (mtd->writesize_shift) |