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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-3.18/494-mtd-ubi-add-EOF-marker-support.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* drop 661-fq_codel_keep_dropped_stats.patch - outdated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-3.18/494-mtd-ubi-add-EOF-marker-support.patch')
| -rw-r--r-- | target/linux/generic/pending-3.18/494-mtd-ubi-add-EOF-marker-support.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/generic/pending-3.18/494-mtd-ubi-add-EOF-marker-support.patch b/target/linux/generic/pending-3.18/494-mtd-ubi-add-EOF-marker-support.patch new file mode 100644 index 0000000000..4b5eb4568d --- /dev/null +++ b/target/linux/generic/pending-3.18/494-mtd-ubi-add-EOF-marker-support.patch @@ -0,0 +1,51 @@ +--- a/drivers/mtd/ubi/attach.c ++++ b/drivers/mtd/ubi/attach.c +@@ -800,6 +800,13 @@ out_unlock: + return err; + } + ++static bool ec_hdr_has_eof(struct ubi_ec_hdr *ech) ++{ ++ return ech->padding1[0] == 'E' && ++ ech->padding1[1] == 'O' && ++ ech->padding1[2] == 'F'; ++} ++ + /** + * scan_peb - scan and process UBI headers of a PEB. + * @ubi: UBI device description object +@@ -830,9 +837,21 @@ static int scan_peb(struct ubi_device *u + return 0; + } + +- err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); +- if (err < 0) +- return err; ++ if (!ai->eof_found) { ++ err = ubi_io_read_ec_hdr(ubi, pnum, ech, 0); ++ if (err < 0) ++ return err; ++ ++ if (ec_hdr_has_eof(ech)) { ++ ubi_msg("EOF marker found, PEBs from %d will be erased", ++ pnum); ++ ai->eof_found = true; ++ } ++ } ++ ++ if (ai->eof_found) ++ err = UBI_IO_FF_BITFLIPS; ++ + switch (err) { + case 0: + break; +--- a/drivers/mtd/ubi/ubi.h ++++ b/drivers/mtd/ubi/ubi.h +@@ -705,6 +705,7 @@ struct ubi_attach_info { + int mean_ec; + uint64_t ec_sum; + int ec_count; ++ bool eof_found; + struct kmem_cache *aeb_slab_cache; + }; + |