linux-kernel - Re: [PATCH v2 1/7] dt-bindings: msm/dp: Add SDM845 and SC8280XP compatibles

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Date:   Mon, 26 Sep 2022 10:13:02 -0500
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Bjorn Andersson <quic_bjorande@...cinc.com>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Sankeerth Billakanti <quic_sbillaka@...cinc.com>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/7] dt-bindings: msm/dp: Add SDM845 and SC8280XP
 compatibles

On Thu, Sep 22, 2022 at 05:37:39PM +0200, Krzysztof Kozlowski wrote:
> On 22/09/2022 02:14, Bjorn Andersson wrote:
> > On Tue, Sep 20, 2022 at 09:09:13AM +0200, Krzysztof Kozlowski wrote:
> >> On 19/09/2022 23:18, Bjorn Andersson wrote:
> >>> On Sat, Sep 17, 2022 at 06:03:27PM +0100, Krzysztof Kozlowski wrote:
> >>>> On 16/09/2022 21:00, Bjorn Andersson wrote:
> >>>>> From: Bjorn Andersson <bjorn.andersson@...aro.org>
> >>>>>
> >>>>> Add compatibles for the DisplayPort and Embedded DisplayPort blocks in
> >>>>> Qualcomm SDM845 and SC8280XP platforms.
> >>>>>
> >>>>> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> >>>>> Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
> >>>>
> >>>> No need for quicinc SoB (unless you also take ownership).
> >>>>
> >>>
> >>> It's my understanding that both needs to be there. Bjorn @ Linaro
> >>> authored the patch and the author must certify its origin, but as the
> >>> submitter I must certify its origin.
> >>
> >> It's the same person. There are no two Bjorns (unless there are :) ), so
> >> you certify with old email. SoB chain is coming from people, not email
> >> addresses.
> >>
> > 
> > IANAL, but I don't think it's the same person. I can't use my old
> > signature to certify the origin in a contribution today and I can't
> > claim authorship of something Linaro did.
> 
> Fine with me.
> 
> > 
> >> And it is not only my understanding of SoB chain.
> >> https://lore.kernel.org/all/YuKcBO5JatwRYQJ3@kroah.com/
> >>
> > 
> > Again, IANAL, but I think the situation is different given AMD and
> > Xilinx relationship.
> 
> Hm, I am not sure how it is different. We might know or we might know
> the change of ownership. Maybe the change of owner came with copyrights,
> maybe not (someone else bought them). I don't know, there can be many
> cases here. I interpret Greg's point there as in SoB statement - the
> person, not email address, certifies.

If Bjorn owned the copyright, then yeah, 1 email would be enough. But 
Linaro owned the copyright so it should be there.

Rob