drop 3.19 support

[openwrt/svn-archive/archive.git] / target / linux / generic / patches-3.19 / 494-mtd-ubi-add-EOF-marker-support.patch

diff --git a/target/linux/generic/patches-3.19/494-mtd-ubi-add-EOF-marker-support.patch b/target/linux/generic/patches-3.19/494-mtd-ubi-add-EOF-marker-support.patch
deleted file mode 100644 (file)
index 6f01e5d..0000000
--- a/target/linux/generic/patches-3.19/494-mtd-ubi-add-EOF-marker-support.patch
+++ /dev/null
@@ -1,51 +0,0 @@
---- 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)) {
-+                      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
-@@ -702,6 +702,7 @@ struct ubi_attach_info {
-       int mean_ec;
-       uint64_t ec_sum;
-       int ec_count;
-+      bool eof_found;
-       struct kmem_cache *aeb_slab_cache;
- };
-