On Wed, 2018-01-10 at 22:06 +0100, Arnd Bergmann wrote: > dtc complains about the lack of #coolin-cells properties for the > CPU nodes that are referred to as "cooling-device": > > arch/arm64/boot/dts/mediatek/mt8173-evb.dtb: Warning (cooling_device_property): Missing property '#cooling-cells' in node /cpus/cpu@0 or bad phandle (referred from /thermal-zones/cpu_thermal/cooling-maps/map@0:cooling-device[0]) > arch/arm64/boot/dts/mediatek/mt8173-evb.dtb: Warning (cooling_device_property): Missing property '#cooling-cells' in node /cpus/cpu@100 or bad phandle (referred from /thermal-zones/cpu_thermal/cooling-maps/map@1:cooling-device[0]) > > Apparently this property must be '<2>' to match the binding. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > If this looks ok, I'd apply it directly to the fixes branch > for 4.15, as the warning is one that was introduced in this > release. > --- > arch/arm64/boot/dts/mediatek/mt8173.dtsi | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi > index b477ad790071..9fbe4705ee88 100644 > --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi > +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi > @@ -155,6 +155,7 @@ > reg = <0x000>; > enable-method = "psci"; > cpu-idle-states = <&CPU_SLEEP_0>; > + #cooling-cells = <2>; > clocks = <&infracfg CLK_INFRA_CA53SEL>, > <&apmixedsys CLK_APMIXED_MAINPLL>; > clock-names = "cpu", "intermediate"; > @@ -179,6 +180,7 @@ > reg = <0x100>; > enable-method = "psci"; > cpu-idle-states = <&CPU_SLEEP_0>; > + #cooling-cells = <2>; > clocks = <&infracfg CLK_INFRA_CA57SEL>, > <&apmixedsys CLK_APMIXED_MAINPLL>; > clock-names = "cpu", "intermediate"; Tested-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> -- 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