linux-kernel - Re: [PATCH] arm64: dts: qcom: sm8150: Fix iommu sid values for PCIe nodes

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Message-ID: <CAH=2Ntw5RaMk5ym_nayyZ_eMZ2vB5VG6oXROOe0XwH5TtM3yKQ@mail.gmail.com>
Date:   Thu, 8 Dec 2022 16:32:54 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        agross@...nel.org, bhupesh.linux@...il.com,
        linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        krzysztof.kozlowski@...aro.org, andersson@...nel.org
Subject: Re: [PATCH] arm64: dts: qcom: sm8150: Fix iommu sid values for PCIe nodes

On Thu, 8 Dec 2022 at 15:25, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>
>
>
> On 07/12/2022 07:29, Bhupesh Sharma wrote:
> > Fix the iommu sid values for the PCIe nodes present on
> > Qualcomm SM8150 SoC dtsi (in sync the with downstream code).
> >
> > Fixes: a1c86c680533 ("arm64: dts: qcom: sm8150: Add PCIe nodes")
> > Cc: Bjorn Andersson <andersson@...nel.org>
> > Cc: Rob Herring <robh+dt@...nel.org>
> > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
> > ---
> >   arch/arm64/boot/dts/qcom/sm8150.dtsi | 32 ++++++++++++++++++++++++++--
> >   1 file changed, 30 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> > index d1b64280ab0b..e88d1617a1ab 100644
> > --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> > @@ -1810,9 +1810,23 @@ pcie0: pci@...0000 {
> >                                     "slave_q2a",
> >                                     "tbu";
> >
> > -                     iommus = <&apps_smmu 0x1d80 0x7f>;
> > +                     iommus = <&apps_smmu 0x1d80 0xf>;
> >                       iommu-map = <0x0   &apps_smmu 0x1d80 0x1>,
> >                                   <0x100 &apps_smmu 0x1d81 0x1>;
> Should be a "," here.
>
>
> > +                                 <0x200 &apps_smmu 0x1d82 0x1>,
> > +                                 <0x300 &apps_smmu 0x1d83 0x1>,
> > +                                 <0x400 &apps_smmu 0x1d84 0x1>,
> > +                                 <0x500 &apps_smmu 0x1d85 0x1>,
> > +                                 <0x600 &apps_smmu 0x1d86 0x1>,
> > +                                 <0x700 &apps_smmu 0x1d87 0x1>,
> > +                                 <0x800 &apps_smmu 0x1d88 0x1>,
> > +                                 <0x900 &apps_smmu 0x1d89 0x1>,
> > +                                 <0xa00 &apps_smmu 0x1d8a 0x1>,
> > +                                 <0xb00 &apps_smmu 0x1d8b 0x1>,
> > +                                 <0xc00 &apps_smmu 0x1d8c 0x1>,
> > +                                 <0xd00 &apps_smmu 0x1d8d 0x1>,
> > +                                 <0xe00 &apps_smmu 0x1d8e 0x1>,
> > +                                 <0xf00 &apps_smmu 0x1d8f 0x1>;
> >
> >                       resets = <&gcc GCC_PCIE_0_BCR>;
> >                       reset-names = "pci";
> > @@ -1909,9 +1923,23 @@ pcie1: pci@...8000 {
> >                       assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
> >                       assigned-clock-rates = <19200000>;
> >
> > -                     iommus = <&apps_smmu 0x1e00 0x7f>;
> > +                     iommus = <&apps_smmu 0x1e00 0xf>;
> >                       iommu-map = <0x0   &apps_smmu 0x1e00 0x1>,
> >                                   <0x100 &apps_smmu 0x1e01 0x1>;
> And here.

Oops. Thanks for noticing this.
I will send a v2, Konrad.

Thanks,
Bhupesh

> Konrad
> > +                                 <0x200 &apps_smmu 0x1e02 0x1>,
> > +                                 <0x300 &apps_smmu 0x1e03 0x1>,
> > +                                 <0x400 &apps_smmu 0x1e04 0x1>,
> > +                                 <0x500 &apps_smmu 0x1e05 0x1>,
> > +                                 <0x600 &apps_smmu 0x1e06 0x1>,
> > +                                 <0x700 &apps_smmu 0x1e07 0x1>,
> > +                                 <0x800 &apps_smmu 0x1e08 0x1>,
> > +                                 <0x900 &apps_smmu 0x1e09 0x1>,
> > +                                 <0xa00 &apps_smmu 0x1e0a 0x1>,
> > +                                 <0xb00 &apps_smmu 0x1e0b 0x1>,
> > +                                 <0xc00 &apps_smmu 0x1e0c 0x1>,
> > +                                 <0xd00 &apps_smmu 0x1e0d 0x1>,
> > +                                 <0xe00 &apps_smmu 0x1e0e 0x1>,
> > +                                 <0xf00 &apps_smmu 0x1e0f 0x1>;
> >
> >                       resets = <&gcc GCC_PCIE_1_BCR>;
> >                       reset-names = "pci";