[source] treewide: access device tree from userspace via /proc/

[LEDE Commits]

mkresin pushed a commit to source.git, branch master:
https://git.lede-project.org/da472e5b30f63b7f214b1d646ef0d955cbf3f295

commit da472e5b30f63b7f214b1d646ef0d955cbf3f295
Author: Mathias Kresin <dev at kresin.me>
AuthorDate: Wed May 10 10:44:18 2017 +0200

    treewide: access device tree from userspace via /proc/
    
    Access the device tree via /proc/device-tree/ is the documented way to
    access the properties. Everything else might not work in future.
    
    Signed-off-by: Mathias Kresin <dev at kresin.me>
---
 target/linux/ipq806x/base-files/lib/ipq806x.sh         | 2 +-
 target/linux/lantiq/base-files/lib/functions/lantiq.sh | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/linux/ipq806x/base-files/lib/ipq806x.sh b/target/linux/ipq806x/base-files/lib/ipq806x.sh
index 348a3a8..2a08a19 100644
--- a/target/linux/ipq806x/base-files/lib/ipq806x.sh
+++ b/target/linux/ipq806x/base-files/lib/ipq806x.sh
@@ -72,7 +72,7 @@ ipq806x_board_name() {
 ipq806x_get_dt_led() {
 	local label
 	local ledpath
-	local basepath="/sys/firmware/devicetree/base"
+	local basepath="/proc/device-tree/base"
 	local nodepath="$basepath/aliases/led-$1"
 
 	[ -f "$nodepath" ] && ledpath=$(cat "$nodepath")
diff --git a/target/linux/lantiq/base-files/lib/functions/lantiq.sh b/target/linux/lantiq/base-files/lib/functions/lantiq.sh
index d9758f5..6459e30 100644
--- a/target/linux/lantiq/base-files/lib/functions/lantiq.sh
+++ b/target/linux/lantiq/base-files/lib/functions/lantiq.sh
@@ -3,7 +3,7 @@
 lantiq_get_dt_led() {
 	local label
 	local ledpath
-	local basepath="/sys/firmware/devicetree/base"
+	local basepath="/proc/device-tree/base"
 	local nodepath="$basepath/aliases/led-$1"
 
 	[ -f "$nodepath" ] && ledpath=$(cat "$nodepath")