Re: [PATCH v2 3/8] ARM: OMAP5: Thermal: Add slope and offset values

From: Eduardo Valentin
Date: Wed Mar 29 2017 - 00:33:23 EST


On Thu, Mar 09, 2017 at 01:35:57PM +0530, Keerthy wrote:
> Currently the slope and offset values for calculating the
> hot spot temperature of a particular thermal zone is part
> of driver data. Pass them here instead and obtain the values
> while of node parsing.


The patch is fine.. but

>
> Signed-off-by: Keerthy <j-keerthy@xxxxxx>
> ---
> arch/arm/boot/dts/omap5.dtsi | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
> index 222155c..eaff2a5 100644
> --- a/arch/arm/boot/dts/omap5.dtsi
> +++ b/arch/arm/boot/dts/omap5.dtsi
> @@ -1127,6 +1127,15 @@
>
> &cpu_thermal {
> polling-delay = <500>; /* milliseconds */
> + coefficients = <65 (-1791)>;

I suppose you tried this change with this patch:
https://patchwork.kernel.org/patch/9619577/
?

Otherwise, I do not see how your coeff would work, right?

> };
>
> /include/ "omap54xx-clocks.dtsi"
> +
> +&gpu_thermal {
> + coefficients = <117 (-2992)>;
> +};
> +
> +&core_thermal {
> + coefficients = <0 2000>;
> +};
> --
> 1.9.1
>