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authorImre Kaloz <kaloz@openwrt.org>2015-01-25 15:20:39 +0000
committerImre Kaloz <kaloz@openwrt.org>2015-01-25 15:20:39 +0000
commiteac842c52b28a4fd42082f3ca8231f5874a57361 (patch)
tree514eb8ba16df65dd4b3feeb3c900279596556d09 /target/linux/generic/patches-3.19/480-mtd-set-rootfs-to-be-root-dev.patch
parent10c00d28433d42305ead73480465ce87d047a3d2 (diff)
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generic: add preliminary 3.19 support
Signed-off-by: Imre Kaloz <kaloz@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44126 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.19/480-mtd-set-rootfs-to-be-root-dev.patch')
-rw-r--r--target/linux/generic/patches-3.19/480-mtd-set-rootfs-to-be-root-dev.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.19/480-mtd-set-rootfs-to-be-root-dev.patch b/target/linux/generic/patches-3.19/480-mtd-set-rootfs-to-be-root-dev.patch
new file mode 100644
index 0000000000..8fc3578a66
--- /dev/null
+++ b/target/linux/generic/patches-3.19/480-mtd-set-rootfs-to-be-root-dev.patch
@@ -0,0 +1,26 @@
+--- a/drivers/mtd/mtdcore.c
++++ b/drivers/mtd/mtdcore.c
+@@ -37,6 +37,7 @@
+ #include <linux/backing-dev.h>
+ #include <linux/gfp.h>
+ #include <linux/slab.h>
++#include <linux/root_dev.h>
+
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/partitions.h>
+@@ -456,6 +457,15 @@ int add_mtd_device(struct mtd_info *mtd)
+ of this try_ nonsense, and no bitching about it
+ either. :) */
+ __module_get(THIS_MODULE);
++
++ if (!strcmp(mtd->name, "rootfs") &&
++ config_enabled(CONFIG_MTD_ROOTFS_ROOT_DEV) &&
++ ROOT_DEV == 0) {
++ pr_notice("mtd: device %d (%s) set to be root filesystem\n",
++ mtd->index, mtd->name);
++ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, mtd->index);
++ }
++
+ return 0;
+
+ fail_added: