linux-kernel - Re: [PATCH v4 1/7] dt-bindings: hwmon: Add nuvoton,nct6775

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Date:   Wed, 27 Apr 2022 09:00:36 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Zev Weiss <zev@...ilderbeest.net>
Cc:     Guenter Roeck <linux@...ck-us.net>,
        Jean Delvare <jdelvare@...e.com>, linux-hwmon@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Renze Nicolai <renze@...lus.nl>,
        Oleksandr Natalenko <oleksandr@...alenko.name>,
        openbmc@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/7] dt-bindings: hwmon: Add nuvoton,nct6775

On 27/04/2022 08:44, Zev Weiss wrote:
> 
>>> +    maximum: 0xff
>>> +    default: 0
>>
>> Since by default it is disabled, doesn't it make a required property?
>> IOW, if you add a node without this mask, will the device operate
>> properly and usefully?
>>
> 
> Yeah, zero active TSI channels is a totally legitimate way for these 
> devices to operate.  TSI is just an optional source of additional 
> temperature readings that's used on some (AMD) systems; all the basic 
> Super I/O functionality works fine without it.


OK, thanks.


Best regards,
Krzysztof