[PATCH 10/10] dt-bindings: thermal: Remove "cooling-{min|max}-level" properties
Rob Herring
robh at kernel.org
Sun Feb 18 15:29:06 PST 2018
On Fri, Feb 09, 2018 at 02:28:10PM +0530, Viresh Kumar wrote:
> The "cooling-min-level" and "cooling-max-level" properties are not
> parsed by any part of kernel currently and the max cooling state of a
> CPU cooling device is found by referring to the cpufreq table instead.
What about non-CPU devices? A fan for example.
>
> Remove the unused bindings.
>
> Signed-off-by: Viresh Kumar <viresh.kumar at linaro.org>
> ---
> Documentation/devicetree/bindings/thermal/thermal.txt | 16 +---------------
> 1 file changed, 1 insertion(+), 15 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/thermal/thermal.txt b/Documentation/devicetree/bindings/thermal/thermal.txt
> index 1719d47a5e2f..cc553f0952c5 100644
> --- a/Documentation/devicetree/bindings/thermal/thermal.txt
> +++ b/Documentation/devicetree/bindings/thermal/thermal.txt
> @@ -55,8 +55,7 @@ of heat dissipation). For example a fan's cooling states correspond to
> the different fan speeds possible. Cooling states are referred to by
> single unsigned integers, where larger numbers mean greater heat
> dissipation. The precise set of cooling states associated with a device
> -(as referred to by the cooling-min-level and cooling-max-level
> -properties) should be defined in a particular device's binding.
> +should be defined in a particular device's binding.
> For more examples of cooling devices, refer to the example sections below.
>
> Required properties:
> @@ -69,15 +68,6 @@ For more examples of cooling devices, refer to the example sections below.
> See Cooling device maps section below for more details
> on how consumers refer to cooling devices.
>
> -Optional properties:
> -- cooling-min-level: An integer indicating the smallest
> - Type: unsigned cooling state accepted. Typically 0.
> - Size: one cell
> -
> -- cooling-max-level: An integer indicating the largest
> - Type: unsigned cooling state accepted.
> - Size: one cell
> -
> * Trip points
>
> The trip node is a node to describe a point in the temperature domain
> @@ -226,8 +216,6 @@ cpus {
> 396000 950000
> 198000 850000
> >;
> - cooling-min-level = <0>;
> - cooling-max-level = <3>;
> #cooling-cells = <2>; /* min followed by max */
> };
> ...
> @@ -241,8 +229,6 @@ cpus {
> */
> fan0: fan at 48 {
> ...
> - cooling-min-level = <0>;
> - cooling-max-level = <9>;
> #cooling-cells = <2>; /* min followed by max */
> };
> };
> --
> 2.15.0.194.g9af6a3dea062
>
More information about the linux-arm-kernel
mailing list