On Sun, Mar 12, 2017 at 07:07:40PM +0000, Russell King wrote:
> Allow hwmon devices to be optionally created for of-thermal zones,
> rather than permanently denying them "in case" there is a hwmon
> driver duplicating the thermal driver.
>
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
> ---
> Without this, "sensors" is unable to report the temperature of the
> Dove SoC when it supports thermal zones.
>
> Documentation/devicetree/bindings/thermal/thermal.txt | 3 +++
> arch/arm/boot/dts/dove.dtsi | 1 +
> drivers/thermal/of-thermal.c | 3 ++-
> 3 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt
> index 88b6ea1ad290..1478735fff85 100644
> --- a/Documentation/devicetree/bindings/thermal/thermal.txt
> +++ b/Documentation/devicetree/bindings/thermal/thermal.txt
> @@ -175,6 +175,9 @@ containing trip nodes and one sub-node containing all the zone cooling maps.
> 2000mW, while on a 10'' tablet is around
> 4500mW.
>
> +- linux,hwmon: Allow Linux to create hwmon devices for the thermal
> + Type: bool zone.
> +
> Note: The delay properties are bound to the maximum dT/dt (temperature
> derivative over time) in two situations for a thermal zone:
> (i) - when passive cooling is activated (polling-delay-passive); and
> diff --git a/arch/arm/boot/dts/dove.dtsi b/arch/arm/boot/dts/dove.dtsi
> index 40fb98687230..00f5971cd039 100644
> --- a/arch/arm/boot/dts/dove.dtsi
> +++ b/arch/arm/boot/dts/dove.dtsi
> @@ -804,6 +804,7 @@
>
> thermal-zones {
> soc-thermal {
> + linux,hwmon;
I'd prefer to see a black or white list of sensor compatibles here. Then
the dtb doesn't need to change if things move between hwmon and thermal
zones.
Rob
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