diff options
| author | Felix Fietkau <nbd@nbd.name> | 2017-01-27 14:32:10 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2017-02-04 20:28:14 +0100 |
| commit | f791fb4af45032a653ba7c850f4564923871cb16 (patch) | |
| tree | c1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch | |
| parent | 7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff) | |
| download | upstream-f791fb4af45032a653ba7c850f4564923871cb16.tar.gz upstream-f791fb4af45032a653ba7c850f4564923871cb16.tar.bz2 upstream-f791fb4af45032a653ba7c850f4564923871cb16.zip | |
kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch')
| -rw-r--r-- | target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch new file mode 100644 index 0000000000..e7c91c69d1 --- /dev/null +++ b/target/linux/generic/patches-4.9/412-mtd-partial_eraseblock_unlock.patch @@ -0,0 +1,20 @@ +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -337,7 +337,16 @@ 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 = mtd_to_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) |