diff options
Diffstat (limited to 'target/linux/generic/pending-4.19/404-mtd-add-more-helper-functions.patch')
-rw-r--r-- | target/linux/generic/pending-4.19/404-mtd-add-more-helper-functions.patch | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/target/linux/generic/pending-4.19/404-mtd-add-more-helper-functions.patch b/target/linux/generic/pending-4.19/404-mtd-add-more-helper-functions.patch deleted file mode 100644 index e404ec1fb2..0000000000 --- a/target/linux/generic/pending-4.19/404-mtd-add-more-helper-functions.patch +++ /dev/null @@ -1,76 +0,0 @@ -From: Gabor Juhos <juhosg@openwrt.org> -Subject: kernel/3.10: add separate rootfs partition parser - -lede-commit: daec7ad7688415156e2730e401503d09bd3acf91 -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> ---- - drivers/mtd/mtdpart.c | 29 +++++++++++++++++++++++++++++ - include/linux/mtd/mtd.h | 18 ++++++++++++++++++ - include/linux/mtd/partitions.h | 2 ++ - 3 files changed, 49 insertions(+) - ---- a/drivers/mtd/mtdpart.c -+++ b/drivers/mtd/mtdpart.c -@@ -1179,6 +1179,24 @@ 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/mtd.h -+++ b/include/linux/mtd/mtd.h -@@ -507,6 +507,24 @@ static inline void mtd_align_erase_req(s - req->len += mtd->erasesize - mod; - } - -+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) ---- a/include/linux/mtd/partitions.h -+++ b/include/linux/mtd/partitions.h -@@ -116,6 +116,8 @@ 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); - - #endif |