diff options
Diffstat (limited to 'target/linux/generic/pending-4.9/480-mtd-set-rootfs-to-be-root-dev.patch')
| -rw-r--r-- | target/linux/generic/pending-4.9/480-mtd-set-rootfs-to-be-root-dev.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.9/480-mtd-set-rootfs-to-be-root-dev.patch b/target/linux/generic/pending-4.9/480-mtd-set-rootfs-to-be-root-dev.patch new file mode 100644 index 0000000000..62cf4eb2e2 --- /dev/null +++ b/target/linux/generic/pending-4.9/480-mtd-set-rootfs-to-be-root-dev.patch @@ -0,0 +1,43 @@ +From: Gabor Juhos <juhosg@openwrt.org> +Subject: 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> +--- + drivers/mtd/mtdcore.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c +index d46e4adf6d2b..4d62d898dadc 100644 +--- a/drivers/mtd/mtdcore.c ++++ b/drivers/mtd/mtdcore.c +@@ -40,6 +40,7 @@ + #include <linux/slab.h> + #include <linux/reboot.h> + #include <linux/leds.h> ++#include <linux/root_dev.h> + + #include <linux/mtd/mtd.h> + #include <linux/mtd/partitions.h> +@@ -570,6 +571,15 @@ 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") && ++ IS_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: +-- +2.11.0 + |