kernel: move mtdsplit files to drivers/mtd/mtdsplit/ to simplify maintenance, unify patches across kernel versions

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43805

1 files changed, 0 insertions, 101 deletions

diff --git a/target/linux/generic/patches-3.18/405-mtd-add-more-helper-functions.patch b/target/linux/generic/patches-3.18/405-mtd-add-more-helper-functions.patch
deleted file mode 100644
index d7c38011ec..0000000000
--- a/target/linux/generic/patches-3.18/405-mtd-add-more-helper-functions.patch
+++ /dev/null
@@ -1,101 +0,0 @@
---- a/drivers/mtd/mtdpart.c
-+++ b/drivers/mtd/mtdpart.c
-@@ -445,14 +445,12 @@ static struct mtd_part *allocate_partiti
- 	if (slave->offset == MTDPART_OFS_APPEND)
- 		slave->offset = cur_offset;
- 	if (slave->offset == MTDPART_OFS_NXTBLK) {
--		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;
-+		/* Round up to next erasesize */
-+		slave->offset = mtd_roundup_to_eb(cur_offset, master);
-+		if (slave->offset != cur_offset)
- 			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;
-@@ -672,6 +670,17 @@ 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
-@@ -913,6 +922,24 @@ 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 PART(mtd)->master;
-+}
-+EXPORT_SYMBOL_GPL(mtdpart_get_master);
-+
-+uint64_t mtdpart_get_offset(const struct mtd_info *mtd)
-+{
-+	if (!mtd_is_partition(mtd))
-+		return 0;
-+
-+	return 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
-@@ -90,6 +90,8 @@ 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
-@@ -333,6 +333,24 @@ 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)