linux-kernel - Re: [PATCH v2 1/2] dt-bindings: i2c: add property to avoid device detection

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Message-ID: <YoH5RxVxgAc8IQVn@kunai>
Date:   Mon, 16 May 2022 09:12:07 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Vincent Whitchurch <vincent.whitchurch@...s.com>
Cc:     kernel@...s.com, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, krzk+dt@...nel.org, robh+dt@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: i2c: add property to avoid device
 detection


> > That aside, I am not sure we should handle this at DT level. Maybe we
> > should better change the GPIO driver to not populate a class if we have
> > a firmware node?
> 
> Is it always safe to not do this detection if we have a firmware node?
> Then maybe the core could just always skip it in that case without
> looking for a special property or requiring individual drivers to choose
> what to do?

Need to think about it. Could be argued. So far, setting .class
correctly was the job of the driver.


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