summaryrefslogtreecommitdiff
path: root/target/linux/generic/patches-4.4/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch
diff options
context:
space:
mode:
authorJonas Gorski <jogo@openwrt.org>2015-12-02 22:23:22 +0000
committerJonas Gorski <jogo@openwrt.org>2015-12-02 22:23:22 +0000
commit621677154f39f2e0b698a558b8b795db84a8e014 (patch)
tree3c4d60241f9ad7f52f12aa022af8b5a684b2ab08 /target/linux/generic/patches-4.4/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch
parent4454a3fb6375cf1adf17f63a54cd7660bc40caa7 (diff)
downloadmtk-20170518-621677154f39f2e0b698a558b8b795db84a8e014.zip
mtk-20170518-621677154f39f2e0b698a558b8b795db84a8e014.tar.gz
mtk-20170518-621677154f39f2e0b698a558b8b795db84a8e014.tar.bz2
kernel: add linux 4.4 support
Based on 4.4-rc3. Runtime tested on MIPS. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 47701
Diffstat (limited to 'target/linux/generic/patches-4.4/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch')
-rw-r--r--target/linux/generic/patches-4.4/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch b/target/linux/generic/patches-4.4/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch
new file mode 100644
index 0000000..d21e6d2
--- /dev/null
+++ b/target/linux/generic/patches-4.4/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch
@@ -0,0 +1,53 @@
+From eea9e1785e4c05c2a3444506aabafa0ae958538f Mon Sep 17 00:00:00 2001
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Sat, 17 May 2014 03:35:02 +0200
+Subject: [PATCH 4/5] try auto-mounting ubi0:rootfs in init/do_mounts.c
+To: openwrt-devel@lists.openwrt.org
+
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+---
+ init/do_mounts.c | 26 +++++++++++++++++++++++++-
+ 1 file changed, 25 insertions(+), 1 deletion(-)
+
+--- a/init/do_mounts.c
++++ b/init/do_mounts.c
+@@ -438,7 +438,27 @@ retry:
+ out:
+ put_page(page);
+ }
+-
++
++static int __init mount_ubi_rootfs(void)
++{
++ int flags = MS_SILENT;
++ int err, tried = 0;
++
++ while (tried < 2) {
++ err = do_mount_root("ubi0:rootfs", "ubifs", flags, \
++ root_mount_data);
++ switch (err) {
++ case -EACCES:
++ flags |= MS_RDONLY;
++ tried++;
++ default:
++ return err;
++ }
++ }
++
++ return -EINVAL;
++}
++
+ #ifdef CONFIG_ROOT_NFS
+
+ #define NFSROOT_TIMEOUT_MIN 5
+@@ -532,6 +552,10 @@ void __init mount_root(void)
+ change_floppy("root floppy");
+ }
+ #endif
++#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV
++ if (!mount_ubi_rootfs())
++ return;
++#endif
+ #ifdef CONFIG_BLOCK
+ {
+ int err = create_dev("/dev/root", ROOT_DEV);