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| author | Gabor Juhos <juhosg@openwrt.org> | 2013-11-04 18:37:05 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2013-11-04 18:37:05 +0000 |
| commit | 49c7b92ff64cbea9f66436130cab375716875407 (patch) | |
| tree | c62f30861c8da40a9ae791e91d07e71fe8cdcd6b /target/linux/generic/patches-3.12/480-mtd-set-rootfs-to-be-root-dev.patch | |
| parent | 0986dff6ec307d608b65bc71617f1253fab06ad2 (diff) | |
| download | upstream-49c7b92ff64cbea9f66436130cab375716875407.tar.gz upstream-49c7b92ff64cbea9f66436130cab375716875407.tar.bz2 upstream-49c7b92ff64cbea9f66436130cab375716875407.zip | |
kernel/3.1[02]: move MTD root device setup code to mtdcore
The current code only allows to automatically set
root device on MTD partitions. Move the code to MTD
core to allow to use it with all MTD devices.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38643 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.12/480-mtd-set-rootfs-to-be-root-dev.patch')
| -rw-r--r-- | target/linux/generic/patches-3.12/480-mtd-set-rootfs-to-be-root-dev.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.12/480-mtd-set-rootfs-to-be-root-dev.patch b/target/linux/generic/patches-3.12/480-mtd-set-rootfs-to-be-root-dev.patch new file mode 100644 index 0000000000..7ef677835e --- /dev/null +++ b/target/linux/generic/patches-3.12/480-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> +@@ -419,6 +420,15 @@ 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: |