linux-kernel - Re: [PATCH v9 05/10] usb: dwc3: core: Refactor PHY logic to support Multiport Controller

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <ZTEtGIerwI90P6aA@hovoldconsulting.com>
Date:   Thu, 19 Oct 2023 15:20:24 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>
Cc:     Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Andy Gross <agross@...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-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "quic_pkondeti@...cinc.com" <quic_pkondeti@...cinc.com>,
        "quic_ppratap@...cinc.com" <quic_ppratap@...cinc.com>,
        "quic_jackp@...cinc.com" <quic_jackp@...cinc.com>,
        "quic_harshq@...cinc.com" <quic_harshq@...cinc.com>,
        "ahalaney@...hat.com" <ahalaney@...hat.com>,
        "quic_shazhuss@...cinc.com" <quic_shazhuss@...cinc.com>
Subject: Re: [PATCH v9 05/10] usb: dwc3: core: Refactor PHY logic to support
 Multiport Controller

[ Digging through some old mails. ]

On Tue, Aug 01, 2023 at 01:30:36AM +0000, Thinh Nguyen wrote:
> On Fri, Jul 21, 2023, Johan Hovold wrote:
> > On Mon, Jul 03, 2023 at 12:26:26AM +0530, Krishna Kurapati PSSNV wrote:
  
> > > >> +/* Number of ports supported by a multiport controller */
> > > >> +#define DWC3_MAX_PORTS 4
> > > > 
> > > > You did not answer my question about whether this was an arbitrary
> > > > implementation limit (i.e. just reflecting the only currently supported
> > > > multiport controller)?
> > > > 
> > > I mentioned in commit text that it is limited to 4. Are you referring to 
> > > state the reason why I chose the value 4 ?
> > 
> > Yes, and to clarify whether this was an arbitrary limit you chose
> > because it was all that was needed for the hw you care about, or if it's
> > a more general limitation.
> > 
> 
> Note: We can support many, but we set the current limit to 4 usb3 ports
> and up to 15 usb2 ports.

Thanks for clarifying.

Johan