linux-kernel - Re: [PATCH v13 01/10] usb: dwc3: core: Access XHCI address space temporarily to read port info

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Message-ID: <ZTYyXhyZN3jBXEfm@hovoldconsulting.com>
Date:   Mon, 23 Oct 2023 10:44:14 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>
Cc:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        quic_pkondeti@...cinc.com, quic_ppratap@...cinc.com,
        quic_jackp@...cinc.com, ahalaney@...hat.com,
        quic_shazhuss@...cinc.com
Subject: Re: [PATCH v13 01/10] usb: dwc3: core: Access XHCI address space
 temporarily to read port info

On Fri, Oct 20, 2023 at 03:12:44PM +0530, Krishna Kurapati PSSNV wrote:
> On 10/20/2023 2:02 PM, Johan Hovold wrote:
> > On Sat, Oct 07, 2023 at 09:17:57PM +0530, Krishna Kurapati wrote:
> >> Currently host-only capable DWC3 controllers support Multiport.
> > 
> > You use the word "currently" in a few places like this (e.g. in comments
> > in the code). What exactly do you mean? That all current multiport
> > controllers are host-only, or that this is all that the driver supports
> > after your changes?
> > 
> This means that, today the capable multiport controllers are host-only 
> capable, not that the driver is designed that way.

Ok.

> > Please rephrase accordingly throughout so that this becomes clear.

Johan