linux-kernel - Re: [PATCH 2/2] dt-bindings: arm-smmu: Add sc7180 compatible string

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Date:   Mon, 18 May 2020 13:59:49 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Will Deacon <will@...nel.org>
Cc:     Sharat Masetty <smasetty@...eaurora.org>,
        Robin Murphy <robin.murphy@....com>,
        freedreno <freedreno@...ts.freedesktop.org>,
        dri-devel@...edesktop.org,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "list@....net:IOMMU DRIVERS <iommu@...ts.linux-foundation.org>, Joerg
        Roedel <joro@...tes.org>," <iommu@...ts.linux-foundation.org>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: Re: [PATCH 2/2] dt-bindings: arm-smmu: Add sc7180 compatible string

Hi,

On Mon, May 18, 2020 at 7:39 AM Will Deacon <will@...nel.org> wrote:
>
> On Fri, May 15, 2020 at 12:05:39PM -0700, Doug Anderson wrote:
> > On Fri, May 1, 2020 at 3:30 AM Sharat Masetty <smasetty@...eaurora.org> wrote:
> > >
> > > This patch simply adds a new compatible string for SC7180 platform.
> > >
> > > Signed-off-by: Sharat Masetty <smasetty@...eaurora.org>
> > > ---
> > >  Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> > > index 6515dbe..986098b 100644
> > > --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> > > +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> > > @@ -28,6 +28,7 @@ properties:
> > >            - enum:
> > >                - qcom,msm8996-smmu-v2
> > >                - qcom,msm8998-smmu-v2
> > > +              - qcom,sc7180-smmu-v2
> > >                - qcom,sdm845-smmu-v2
> > >            - const: qcom,smmu-v2
> >
> > Is anything blocking this patch from landing now?
>
> I thought updates to the bindings usually went via Rob and the device-tree
> tree, but neither of those are on cc.
>
> Perhaps resend with that fixed?

Ah, I guess I wasn't familiar with how things worked for this file, or
maybe things have changed recently?  I'm used to most bindings going
through the same tree as the drivers that use them.  Usually if things
are at all complicated maintainers wait for an Ack from Rob (so he
should have been CCed for sure) and then land.

In this case it actually looks like Bjorn landed it in the Qualcomm
and I just didn't realize it.  That seems like it should be fine since
it's in the middle of a clause that's all Qualcomm and the change
shouldn't be controversial in any way.  :-)

Thanks!

-Doug