From f791fb4af45032a653ba7c850f4564923871cb16 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 27 Jan 2017 14:32:10 +0100
Subject: kernel: add linux 4.9 support

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
---
 .../480-mtd-set-rootfs-to-be-root-dev.patch        | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 target/linux/generic/patches-4.9/480-mtd-set-rootfs-to-be-root-dev.patch

(limited to 'target/linux/generic/patches-4.9/480-mtd-set-rootfs-to-be-root-dev.patch')

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 0000000..27875d2
--- /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:
-- 
cgit v1.1