diff options
Diffstat (limited to 'target/linux/generic/pending-4.19/412-mtd-partial_eraseblock_unlock.patch')
| -rw-r--r-- | target/linux/generic/pending-4.19/412-mtd-partial_eraseblock_unlock.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/target/linux/generic/pending-4.19/412-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/pending-4.19/412-mtd-partial_eraseblock_unlock.patch deleted file mode 100644 index e038c4e60c..0000000000 --- a/target/linux/generic/pending-4.19/412-mtd-partial_eraseblock_unlock.patch +++ /dev/null @@ -1,40 +0,0 @@ -From: Tim Harvey <tharvey@gateworks.com> -Subject: mtd: allow partial block unlock - -This allows sysupgrade for devices such as the Gateworks Avila/Cambria -product families based on the ixp4xx using the redboot bootloader with -combined FIS directory and RedBoot config partitions on larger FLASH -devices with larger eraseblocks. - -This second iteration of this patch addresses previous issues: -- whitespace breakage fixed -- unlock in all scenarios -- simplification and fix logic bug - -[john@phrozen.org: this should be moved to the ixp4xx folder] - -Signed-off-by: Tim Harvey <tharvey@gateworks.com> ---- - drivers/mtd/mtdpart.c | 11 ++++++++++- - 1 file changed, 10 insertions(+), 1 deletion(-) - ---- a/drivers/mtd/mtdpart.c -+++ b/drivers/mtd/mtdpart.c -@@ -307,7 +307,16 @@ 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->parent->_unlock(part->parent, 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->parent) + 1) * part->parent->erasesize; -+ ofs &= ~(part->parent->erasesize - 1); -+ } -+ -+ return part->parent->_unlock(part->parent, ofs, len); - } - - static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) |