From: Jerome Brunet <jbrunet@baylibre.com>
Date: Fri, 16 Mar 2018 14:50:21 +0000 (+0100)
Subject: ARM64: dts: meson-gx: make efuse read-only
X-Git-Tag: v4.19~1283^2~26^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c339f0e29ce9f9cd1cd2b6759a29a298bce1e948;p=platform%2Fkernel%2Flinux-rpi.git

ARM64: dts: meson-gx: make efuse read-only

efuse is one time programmable, so it is safer to deny write request
to this memory, unless the user is savvy enough to remove the read-only
flag from DTB

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
---

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 2d51ccd..3c31e21 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -132,6 +132,7 @@
 		compatible = "amlogic,meson-gx-efuse", "amlogic,meson-gxbb-efuse";
 		#address-cells = <1>;
 		#size-cells = <1>;
+		read-only;
 
 		sn: sn@14 {
 			reg = <0x14 0x10>;