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| author | Florian Fainelli <florian@openwrt.org> | 2013-03-14 14:45:56 +0000 |
|---|---|---|
| committer | Florian Fainelli <florian@openwrt.org> | 2013-03-14 14:45:56 +0000 |
| commit | b2e63b8ea81fae72aef69649631cf491bac5306f (patch) | |
| tree | 9a4bc7d83c339b4b842999287e3ae5e5d5d6734a /target/linux/generic/patches-3.9/478-mtd-partial_eraseblock_unlock.patch | |
| parent | 32f3b1e3582701ef6c8c248b9ad0a761c42bbc1b (diff) | |
| download | mtk-20170518-b2e63b8ea81fae72aef69649631cf491bac5306f.zip mtk-20170518-b2e63b8ea81fae72aef69649631cf491bac5306f.tar.gz mtk-20170518-b2e63b8ea81fae72aef69649631cf491bac5306f.tar.bz2 | |
kernel: add support for 3.9-rc2
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 36008
Diffstat (limited to 'target/linux/generic/patches-3.9/478-mtd-partial_eraseblock_unlock.patch')
| -rw-r--r-- | target/linux/generic/patches-3.9/478-mtd-partial_eraseblock_unlock.patch | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.9/478-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/patches-3.9/478-mtd-partial_eraseblock_unlock.patch new file mode 100644 index 0000000..0fc4154 --- /dev/null +++ b/target/linux/generic/patches-3.9/478-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) |