linux-kernel - Re: [PATCH v4 2/3] dt-bindings: usb: snps,dwc3: Add runtime-suspend-on-usb-suspend property

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Message-ID: <d30a8d6a-236a-b6eb-76d7-115cc9950ce1@quicinc.com>
Date:   Tue, 29 Aug 2023 21:31:41 -0700
From:   Elson Serrao <quic_eserrao@...cinc.com>
To:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>
CC:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Roger Quadros <rogerq@...nel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v4 2/3] dt-bindings: usb: snps,dwc3: Add
 runtime-suspend-on-usb-suspend property



On 8/29/2023 6:37 PM, Thinh Nguyen wrote:
> Just want to clarify, there are dwc3 properties and there are dt binding
> properties. Often the case that dt binding matches 1-to-1 with dwc3
> driver property. Now, we need to enhance the checkers so that the dwc3
> driver property to match cases where it is platform specific and through
> compatible string.
> 

Thank you for the clarification Thinh.
To confirm, we would need to modify the driver to parse a new compatible 
string (say "snps,dwc3-ext-wakeup") and add .data field so that the 
driver is aware that this particular platform supports external wakeup 
detection.Right ?

Regards
Elson