From 621677154f39f2e0b698a558b8b795db84a8e014 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Wed, 2 Dec 2015 22:23:22 +0000 Subject: kernel: add linux 4.4 support Based on 4.4-rc3. Runtime tested on MIPS. Signed-off-by: Jonas Gorski SVN-Revision: 47701 --- .../412-mtd-partial_eraseblock_unlock.patch | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 target/linux/generic/patches-4.4/412-mtd-partial_eraseblock_unlock.patch (limited to 'target/linux/generic/patches-4.4/412-mtd-partial_eraseblock_unlock.patch') 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 0000000000..b7964e25b8 --- /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) -- cgit v1.2.3