linux-kernel - Re: [GIT PULL] PCI changes for v6.2

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Message-ID: <CAL_Jsq+Y1CN4BMhB-FXFunr1rFs62QEMi_zj3zmvjXrksCQ0sA@mail.gmail.com>
Date:   Wed, 14 Dec 2022 18:22:27 -0600
From:   Rob Herring <robh@...nel.org>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Bjorn Helgaas <helgaas@...nel.org>,
        Vidya Sagar <vidyas@...dia.com>,
        Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Thierry Reding <treding@...dia.com>
Subject: Re: [GIT PULL] PCI changes for v6.2

On Wed, Dec 14, 2022 at 12:01 PM Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> On Tue, Dec 13, 2022 at 3:30 PM Bjorn Helgaas <helgaas@...nel.org> wrote:
> >
> > You will see a merge conflict in
> > Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml between these:
> >
> >   5c3741492d2e ("dt-bindings: PCI: tegra234: Add ECAM support")
> >   4cc13eedb892 ("dt-bindings: PCI: dwc: Add reg/reg-names common properties")
> >
> > 5c3741492d2e is already in your tree via arm-soc, and 4cc13eedb892 is in
> > this pull request.  The resolution I suggest is to use 4cc13eedb892, which
> > means we'll lose the addition of "ecam" from 5c3741492d2e.
>
> Heh. I only read this part once I had already resolved that thing differently.
>
> I dunno, I used my own - possibly bad - judgment to add a case for
> that 'ecam' thing under the vendor-specific list.
>
> That was very much a "monkey see, monkey do" resolution, so some DT
> person should check it out and possibly make fun of me and my dubious
> ancestry. Rob? Thierry?

Good job writing valid json-schema! :) It's close enough and better
than just dropping which caused warnings. It is Tegra only ATM, but
anyone else that sets up an ECAM region should use the same name.

Rob