From dc18617098592901d24daa1fce6734e9c62cbef1 Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Mon, 22 Jun 2015 12:27:59 +0000 Subject: generic: add linux 4.1 support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Boot tested: http://pastebin.com/L6aAb9xj Signed-off-by: Álvaro Fernández Rojas [jogo: update to 4.1 final add patches added since submission delete patches applied in later rcs restore commit messages in 220-gc-sections and 304-mips_disable_fpu fix 050-backport_netfilter_rtcache to match new API update inlined dma ops with upstream changes add missing config symbols enabled CONFIG_MULTIUSER update kmod defintions for 4.1 ] Signed-off-by: Jonas Gorski git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46112 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../494-mtd-ubi-add-EOF-marker-support.patch | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 target/linux/generic/patches-4.1/494-mtd-ubi-add-EOF-marker-support.patch (limited to 'target/linux/generic/patches-4.1/494-mtd-ubi-add-EOF-marker-support.patch') diff --git a/target/linux/generic/patches-4.1/494-mtd-ubi-add-EOF-marker-support.patch b/target/linux/generic/patches-4.1/494-mtd-ubi-add-EOF-marker-support.patch new file mode 100644 index 0000000000..14fae764fe --- /dev/null +++ b/target/linux/generic/patches-4.1/494-mtd-ubi-add-EOF-marker-support.patch @@ -0,0 +1,51 @@ +--- a/drivers/mtd/ubi/attach.c ++++ b/drivers/mtd/ubi/attach.c +@@ -803,6 +803,13 @@ 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 +@@ -833,9 +840,21 @@ 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)) { ++ pr_notice("UBI: 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 +@@ -739,6 +739,7 @@ struct ubi_attach_info { + int mean_ec; + uint64_t ec_sum; + int ec_count; ++ bool eof_found; + struct kmem_cache *aeb_slab_cache; + }; + -- cgit v1.2.3