diff options
author | Imre Kaloz <kaloz@openwrt.org> | 2014-01-20 13:56:24 +0000 |
---|---|---|
committer | Imre Kaloz <kaloz@openwrt.org> | 2014-01-20 13:56:24 +0000 |
commit | 6bd1a3700191f14d64c417a1e443ec035a4efee7 (patch) | |
tree | 2c3d28386bbc47c37b708c0937962caae6a5ffa9 /target/linux/generic/patches-3.13/412-mtd-partial_eraseblock_unlock.patch | |
parent | c67ec51c85184c4fb3b6cf13f6ffc1e810ecdc6f (diff) | |
download | upstream-6bd1a3700191f14d64c417a1e443ec035a4efee7.tar.gz upstream-6bd1a3700191f14d64c417a1e443ec035a4efee7.tar.bz2 upstream-6bd1a3700191f14d64c417a1e443ec035a4efee7.zip |
add initial 3.13 support
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
SVN-Revision: 39348
Diffstat (limited to 'target/linux/generic/patches-3.13/412-mtd-partial_eraseblock_unlock.patch')
-rw-r--r-- | target/linux/generic/patches-3.13/412-mtd-partial_eraseblock_unlock.patch | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.13/412-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/patches-3.13/412-mtd-partial_eraseblock_unlock.patch new file mode 100644 index 0000000000..134f65715e --- /dev/null +++ b/target/linux/generic/patches-3.13/412-mtd-partial_eraseblock_unlock.patch @@ -0,0 +1,18 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -331,7 +331,14 @@ 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) |