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| author | Imre Kaloz <kaloz@openwrt.org> | 2015-01-25 15:20:39 +0000 |
|---|---|---|
| committer | Imre Kaloz <kaloz@openwrt.org> | 2015-01-25 15:20:39 +0000 |
| commit | eac842c52b28a4fd42082f3ca8231f5874a57361 (patch) | |
| tree | 514eb8ba16df65dd4b3feeb3c900279596556d09 /target/linux/generic/patches-3.19/412-mtd-partial_eraseblock_unlock.patch | |
| parent | 10c00d28433d42305ead73480465ce87d047a3d2 (diff) | |
| download | master-187ad058-eac842c52b28a4fd42082f3ca8231f5874a57361.tar.gz master-187ad058-eac842c52b28a4fd42082f3ca8231f5874a57361.tar.bz2 master-187ad058-eac842c52b28a4fd42082f3ca8231f5874a57361.zip | |
generic: add preliminary 3.19 support
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44126 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.19/412-mtd-partial_eraseblock_unlock.patch')
| -rw-r--r-- | target/linux/generic/patches-3.19/412-mtd-partial_eraseblock_unlock.patch | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.19/412-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/patches-3.19/412-mtd-partial_eraseblock_unlock.patch new file mode 100644 index 0000000000..ba45accd4b --- /dev/null +++ b/target/linux/generic/patches-3.19/412-mtd-partial_eraseblock_unlock.patch @@ -0,0 +1,18 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -334,7 +334,14 @@ 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) |