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| author | Jonas Gorski <jogo@openwrt.org> | 2015-12-02 22:23:22 +0000 |
|---|---|---|
| committer | Jonas Gorski <jogo@openwrt.org> | 2015-12-02 22:23:22 +0000 |
| commit | 621677154f39f2e0b698a558b8b795db84a8e014 (patch) | |
| tree | 3c4d60241f9ad7f52f12aa022af8b5a684b2ab08 /target/linux/generic/patches-4.4/412-mtd-partial_eraseblock_unlock.patch | |
| parent | 4454a3fb6375cf1adf17f63a54cd7660bc40caa7 (diff) | |
| download | mtk-20170518-621677154f39f2e0b698a558b8b795db84a8e014.zip mtk-20170518-621677154f39f2e0b698a558b8b795db84a8e014.tar.gz mtk-20170518-621677154f39f2e0b698a558b8b795db84a8e014.tar.bz2 | |
kernel: add linux 4.4 support
Based on 4.4-rc3. Runtime tested on MIPS.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 47701
Diffstat (limited to 'target/linux/generic/patches-4.4/412-mtd-partial_eraseblock_unlock.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/412-mtd-partial_eraseblock_unlock.patch | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/412-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/patches-4.4/412-mtd-partial_eraseblock_unlock.patch new file mode 100644 index 0000000..b7964e2 --- /dev/null +++ b/target/linux/generic/patches-4.4/412-mtd-partial_eraseblock_unlock.patch @@ -0,0 +1,18 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -336,7 +336,14 @@ 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) |