linux-kernel - Re: [PATCH v4 1/3] dt-bindings: hwmon: fan: Add fan binding to schema

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Date:   Tue, 1 Nov 2022 13:44:02 -0500
From:   Rob Herring <robh@...nel.org>
To:     Naresh Solanki <naresh.solanki@...ements.com>
Cc:     devicetree@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>,
        Jean Delvare <jdelvare@...e.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel@...r.kernel.org, linux-hwmon@...r.kernel.org,
        Patrick Rudolph <patrick.rudolph@...ements.com>
Subject: Re: [PATCH v4 1/3] dt-bindings: hwmon: fan: Add fan binding to schema

On Mon, Oct 31, 2022 at 01:35:09PM +0530, Naresh Solanki wrote:
> Hi Rob,
> 
> On 26-10-2022 07:07 pm, Rob Herring wrote:
> > fanc: fan-controller {
> >    #pwm-cells = <3>;
> >    ...
> > 
> >    fan {
> >      pwms = <&fanc 0 500000  PWM_POLARITY_INVERTED>;
> >      ...
> >    };
> > };
> > 
> > 0 is PWM number and 500000 is the PWM frequency. The 3rd cell are per
> > consumer flags. See pwm.txt for more details.
> 
> Did the implementation & while testing getting the below err:
> [63.626505] max6639 166-002e: failed to create device link to 166-002e

Does turning off fw_devlink help (fw_devlink=off)?

Rob