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From:   Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date:   Tue, 5 Jul 2022 15:57:45 +0300
Message-ID: <CAA8EJppskvGeccyxAE7U3O+e_g4r-UhzwK=x1TSF-fZF-Yn67A@mail.gmail.com>
Subject: Re: [PATCH 01/14] arm64: dts: qcom: sc7280: drop PCIe PHY clock index
To:     Johan Hovold <johan@kernel.org>
Cc:     Johan Hovold <johan+linaro@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Andy Gross <agross@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
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On Tue, 5 Jul 2022 at 15:51, Johan Hovold <johan@kernel.org> wrote:
>
> On Tue, Jul 05, 2022 at 03:42:08PM +0300, Dmitry Baryshkov wrote:
> > On 05/07/2022 14:40, Johan Hovold wrote:
> > > The QMP PCIe PHY provides a single clock so drop the redundant clock
> > > index.
> > >
> > > Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> >
> > Hmm. After checking the source code, the clocks entry of the phy@1c0e000
> > node also needs to be fixed.
>
> I assume you meant pci@1c08000 here? Thanks for catching that!
>
> > And also maybe:
> >
> > Fixes: bd7d507935ca ("arm64: dts: qcom: sc7280: Add pcie clock support")
> > Fixes: 92e0ee9f83b3 ("arm64: dts: qcom: sc7280: Add PCIe and PHY related
> > nodes")
>
> Maybe, I'm a bit reluctant to add a Fixes tags for these even if they do
> violate the binding. But sure, why not.

Yep, I'm also in doubt here. In this case this is more logical. I'd
allow you to decide then.

>
> > > ---
> > >   arch/arm64/boot/dts/qcom/sc7280.dtsi | 4 ++--
> > >   1 file changed, 2 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> > > index e66fc67de206..b0ae2dbba50f 100644
> > > --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> > > +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> > > @@ -818,7 +818,7 @@ gcc: clock-controller@100000 {
> > >                     reg = <0 0x00100000 0 0x1f0000>;
> > >                     clocks = <&rpmhcc RPMH_CXO_CLK>,
> > >                              <&rpmhcc RPMH_CXO_CLK_A>, <&sleep_clk>,
> > > -                            <0>, <&pcie1_lane 0>,
> > > +                            <0>, <&pcie1_lane>,
> > >                              <0>, <0>, <0>, <0>;
> > >                     clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk",
> > >                                   "pcie_0_pipe_clk", "pcie_1_pipe_clk",
> > > @@ -2110,7 +2110,7 @@ pcie1_lane: phy@1c0e200 {
> > >                             clock-names = "pipe0";
> > >
> > >                             #phy-cells = <0>;
> > > -                           #clock-cells = <1>;
> > > +                           #clock-cells = <0>;
> > >                             clock-output-names = "pcie_1_pipe_clk";
> > >                     };
> > >             };
>
> Johan


-- 
With best wishes
Dmitry