linux-kernel - Re: [PATCHv3] arm64: dts: meson: Enable active coling using gpio-fan on Odroid N2/N2+

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Date:   Sat, 22 Oct 2022 12:17:41 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     Anand Moon <linux.amoon@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Dan Johansen <strit@...jaro.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv3] arm64: dts: meson: Enable active coling using gpio-fan
 on Odroid N2/N2+

Hi Anand,

On Sat, Oct 22, 2022 at 10:48 AM Anand Moon <linux.amoon@...il.com> wrote:
>
> Odroid N2/N2+ support active cooling via gpio-fan controller.
> Add fan controls and tip point for cpu and ddr thermal sensor
> on this boards. Drop bias-disable from set pwm_ao_d_10 the pin
either use "on these boards" or "on this board"

[...]
> @@ -1982,7 +1982,6 @@ pwm_ao_d_10_pins: pwm-ao-d-10 {
>                                                 mux {
>                                                         groups = "pwm_ao_d_10";
>                                                         function = "pwm_ao_d";
> -                                                       bias-disable;
&pwm_ao_d_10_pins is not referenced anywhere so it seems that this
change has no impact on controlling the fan on Odroid-N2(+).
How did you test this change?


Best regards,
Martin