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@xxxxxxxxxxxx> --- arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 1 + 1 file changed, 1 insertion(+) 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>; -- 2.14.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html