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authorJonas Gorski <jogo@openwrt.org>2015-06-22 12:27:59 +0000
committerJonas Gorski <jogo@openwrt.org>2015-06-22 12:27:59 +0000
commitdc18617098592901d24daa1fce6734e9c62cbef1 (patch)
treece824259896e9866aa6d76e388ce9272a7ba24a1 /target/linux/generic/patches-4.1/412-mtd-partial_eraseblock_unlock.patch
parent148eac2b3134cc8e1eeaeea95c385a130b953335 (diff)
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generic: add linux 4.1 support
Boot tested: http://pastebin.com/L6aAb9xj Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> [jogo: update to 4.1 final add patches added since submission delete patches applied in later rcs restore commit messages in 220-gc-sections and 304-mips_disable_fpu fix 050-backport_netfilter_rtcache to match new API update inlined dma ops with upstream changes add missing config symbols enabled CONFIG_MULTIUSER update kmod defintions for 4.1 ] Signed-off-by: Jonas Gorski <jogo@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46112 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-4.1/412-mtd-partial_eraseblock_unlock.patch')
-rw-r--r--target/linux/generic/patches-4.1/412-mtd-partial_eraseblock_unlock.patch18
1 files changed, 18 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.1/412-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/patches-4.1/412-mtd-partial_eraseblock_unlock.patch
new file mode 100644
index 0000000000..62f9d5bad0
--- /dev/null
+++ b/target/linux/generic/patches-4.1/412-mtd-partial_eraseblock_unlock.patch
@@ -0,0 +1,18 @@
+--- a/drivers/mtd/mtdpart.c
++++ b/drivers/mtd/mtdpart.c
+@@ -335,7 +335,14 @@ static int part_lock(struct mtd_info *mt
+ static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+ {
+ struct mtd_part *part = PART(mtd);
+- return part->master->_unlock(part->master, ofs + part->offset, len);
++
++ ofs += part->offset;
++ if (mtd->flags & MTD_ERASE_PARTIAL) {
++ /* round up len to next erasesize and round down offset to prev block */
++ len = (mtd_div_by_eb(len, part->master) + 1) * part->master->erasesize;
++ ofs &= ~(part->master->erasesize - 1);
++ }
++ return part->master->_unlock(part->master, ofs, len);
+ }
+
+ static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)