diff mbox

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

Message ID 20180316145021.8517-1-jbrunet@baylibre.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jerome Brunet March 16, 2018, 2:50 p.m. UTC 
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>
---
 arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 1 +
 1 file changed, 1 insertion(+)

Comments

Kevin Hilman March 19, 2018, 11:44 p.m. UTC | #1 
Jerome Brunet <jbrunet@baylibre.com> writes:

> 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>

Applied to v4.17/dt64,

Thanks,

Kevin
diff mbox

Patch

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 2d51ccd60628..3c31e21cbed7 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>;