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| author | John Crispin <john@phrozen.org> | 2016-12-25 20:11:34 +0100 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2017-08-05 08:46:36 +0200 |
| commit | 74d00a8c3849c1340efd713eb94b786e304c201f (patch) | |
| tree | de481743de61c34da96ab5f9dba3af3edcfb8260 /target/linux/generic/pending-4.9/412-mtd-partial_eraseblock_unlock.patch | |
| parent | de350550ef648d9728351b986b0516fa29465c45 (diff) | |
| download | upstream-74d00a8c3849c1340efd713eb94b786e304c201f.tar.gz upstream-74d00a8c3849c1340efd713eb94b786e304c201f.tar.bz2 upstream-74d00a8c3849c1340efd713eb94b786e304c201f.zip | |
kernel: split patches folder up into backport, pending and hack folders
* properly format/comment all patches
* merge debloat patches
* merge Kconfig patches
* merge swconfig patches
* merge hotplug patches
* drop 200-fix_localversion.patch - upstream
* drop 222-arm_zimage_none.patch - unused
* drop 252-mv_cesa_depends.patch - no longer required
* drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused
* drop 661-fq_codel_keep_dropped_stats.patch - outdated
* drop 702-phy_add_aneg_done_function.patch - upstream
* drop 840-rtc7301.patch - unused
* drop 841-rtc_pt7c4338.patch - upstream
* drop 921-use_preinit_as_init.patch - unused
* drop spio-gpio-old and gpio-mmc - unused
Signed-off-by: John Crispin <john@phrozen.org>
Diffstat (limited to 'target/linux/generic/pending-4.9/412-mtd-partial_eraseblock_unlock.patch')
| -rw-r--r-- | target/linux/generic/pending-4.9/412-mtd-partial_eraseblock_unlock.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.9/412-mtd-partial_eraseblock_unlock.patch b/target/linux/generic/pending-4.9/412-mtd-partial_eraseblock_unlock.patch new file mode 100644 index 0000000000..8969de504c --- /dev/null +++ b/target/linux/generic/pending-4.9/412-mtd-partial_eraseblock_unlock.patch @@ -0,0 +1,45 @@ +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(-) + +diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c +index 0238b0babe2f..d41418524833 100644 +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -343,7 +343,16 @@ static int part_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) + 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) +-- +2.11.0 + |