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authorFelix Fietkau <nbd@nbd.name>2017-01-27 14:32:10 +0100
committerFelix Fietkau <nbd@nbd.name>2017-02-04 20:28:14 +0100
commitf791fb4af45032a653ba7c850f4564923871cb16 (patch)
treec1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/480-mtd-set-rootfs-to-be-root-dev.patch
parent7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff)
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kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/480-mtd-set-rootfs-to-be-root-dev.patch')
-rw-r--r--target/linux/generic/patches-4.9/480-mtd-set-rootfs-to-be-root-dev.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/480-mtd-set-rootfs-to-be-root-dev.patch b/target/linux/generic/patches-4.9/480-mtd-set-rootfs-to-be-root-dev.patch
new file mode 100644
index 0000000000..27875d2288
--- /dev/null
+++ b/target/linux/generic/patches-4.9/480-mtd-set-rootfs-to-be-root-dev.patch
@@ -0,0 +1,26 @@
+--- 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: