arm64: dts: uniphier: Add missing cooling device properties for CPUs
authorViresh Kumar <viresh.kumar@linaro.org>
Fri, 25 May 2018 05:40:06 +0000 (11:10 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 26 Sep 2018 06:38:09 +0000 (08:38 +0200)
[ Upstream commit af0e09d0c6762e486b0eb5cc4737396964c34fad ]

The cooling device properties, like "#cooling-cells" and
"dynamic-power-coefficient", should either be present for all the CPUs
of a cluster or none. If these are present only for a subset of CPUs of
a cluster then things will start falling apart as soon as the CPUs are
brought online in a different order. For example, this will happen
because the operating system looks for such properties in the CPU node
it is trying to bring up, so that it can register a cooling device.

Add such missing properties.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi

index a29c279..dba6f0f 100644 (file)
@@ -55,6 +55,7 @@
                        clocks = <&sys_clk 32>;
                        enable-method = "psci";
                        operating-points-v2 = <&cluster0_opp>;
+                       #cooling-cells = <2>;
                };
 
                cpu2: cpu@100 {
@@ -73,6 +74,7 @@
                        clocks = <&sys_clk 33>;
                        enable-method = "psci";
                        operating-points-v2 = <&cluster1_opp>;
+                       #cooling-cells = <2>;
                };
        };