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| author | Florian Fainelli <florian@openwrt.org> | 2013-01-08 22:19:31 +0000 |
|---|---|---|
| committer | Florian Fainelli <florian@openwrt.org> | 2013-01-08 22:19:31 +0000 |
| commit | 8dbed04ec9cad7771590af557b9edfe8e04bca8c (patch) | |
| tree | 412beb5055a726a8f371c35580bdc85300e4e2f7 /target/linux/generic/patches-3.8/478-mtd-partial_eraseblock_unlock.patch | |
| parent | c38cb63808ff1a395dd0384af23773b044adf9cb (diff) | |
| download | master-31e0f0ae-8dbed04ec9cad7771590af557b9edfe8e04bca8c.tar.gz master-31e0f0ae-8dbed04ec9cad7771590af557b9edfe8e04bca8c.tar.bz2 master-31e0f0ae-8dbed04ec9cad7771590af557b9edfe8e04bca8c.zip | |
kernel: add support for 3.8-rc2
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 35055
Diffstat (limited to 'target/linux/generic/patches-3.8/478-mtd-partial_eraseblock_unlock.patch')
| -rw-r--r-- | target/linux/generic/patches-3.8/478-mtd-partial_eraseblock_unlock.patch | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.8/478-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/patches-3.8/478-mtd-partial_eraseblock_unlock.patch new file mode 100644 index 0000000000..0fc4154fa6 --- /dev/null +++ b/target/linux/generic/patches-3.8/478-mtd-partial_eraseblock_unlock.patch @@ -0,0 +1,18 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -330,7 +330,14 @@ 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) |