Messages in this thread Patch in this message | | | From | Jerome Brunet <> | Subject | [PATCH] ARM64: dts: meson-gx: make efuse read-only | Date | Fri, 16 Mar 2018 15:50:21 +0100 |
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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(+)
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
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