2015-05-13 19:07 GMT+09:00 Anand Moon <linux.amoon@xxxxxxxxx>: > On 13 May 2015 at 13:01, Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> wrote: >> 2015-05-13 15:36 GMT+09:00 Anand Moon <linux.amoon@xxxxxxxxx>: >>> update the cooling level for cpu0 to avoid following message. >> >> Capitalize sentence. >> In commit subject add missing colon after "exynos5420". >> >>> >>> root@odroidxu3:~# dmesg | grep ther >> >> This command not needed, we all know how to use dmesg and grep. >> >>> [ 0.241511] /thermal-zones/cpu-thermal/cooling-maps/map0: >>> could not get #cooling-cells for /cpus/cpu@0 >>> >>> Tested-by: Markus Reichl <m.reichl@xxxxxxxxxxxxx> >>> Acked-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx> >>> Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx> >>> --- >>> arch/arm/boot/dts/exynos5420.dtsi | 4 ++++ >>> 1 file changed, 4 insertions(+) >>> >>> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi >>> index 4531753..c75ed16 100644 >>> --- a/arch/arm/boot/dts/exynos5420.dtsi >>> +++ b/arch/arm/boot/dts/exynos5420.dtsi >>> @@ -61,6 +61,10 @@ >>> reg = <0x0>; >>> clock-frequency = <1800000000>; >>> cci-control-port = <&cci_control1>; >>> + >>> + cooling-min-level = <10>; >>> + cooling-max-level = <7>; >>> + #cooling-cells = <2>; /* min followed by max */ >> >> I might be missing something but I do not understand which cooling >> levels are referenced here. In my exynos5420.dtsi file there are no >> frequencies for cpu0 node. Could you help me understand this? >> >> Best regards, >> Krzysztof > > Hi Krzysztof, > > http://lxr.free-electrons.com/source/Documentation/devicetree/bindings/cpufreq/cpufreq-dt.txt > http://lxr.free-electrons.com/source/Documentation/devicetree/bindings/thermal/thermal.txt#L201 > > These two documents provide the description on cooling-min-level and > cooling-max-level. > > I will correctly update the value in the next updated patch. I know these files and AFAIU your does not follow the documentation. So this is why I am asking: you are referencing cooling level 7 and 10, please show where are these cooling levels defined. -- 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