linux-kernel - Re: [PATCH 06/24] arm64: dts: qcom: glymur: Enable pdp0 mailbox

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Message-ID: <ig4z72wwufcyiktiqebovfq3dymtlcmy5v5iihvknbggrjyqet@tylhjfvv6syx>
Date: Thu, 25 Sep 2025 21:49:54 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>,
        Pankaj Patil <pankaj.patil@....qualcomm.com>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sibi Sankar <sibi.sankar@....qualcomm.com>
Subject: Re: [PATCH 06/24] arm64: dts: qcom: glymur: Enable pdp0 mailbox

On Thu, Sep 25, 2025 at 12:06:40PM -0500, Bjorn Andersson wrote:
> On Thu, Sep 25, 2025 at 05:23:07PM +0900, Krzysztof Kozlowski wrote:
> > On Thu, 25 Sept 2025 at 15:33, Pankaj Patil
> > <pankaj.patil@....qualcomm.com> wrote:
> > >
> > > From: Sibi Sankar <sibi.sankar@....qualcomm.com>
> > >
> > > Enable pdp0 mailbox node on Glymur SoCs.
> > >
> > > Signed-off-by: Sibi Sankar <sibi.sankar@....qualcomm.com>
> > > Signed-off-by: Pankaj Patil <pankaj.patil@....qualcomm.com>
> > > ---
> > >  arch/arm64/boot/dts/qcom/glymur.dtsi | 8 ++++++++
> > >  1 file changed, 8 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/qcom/glymur.dtsi b/arch/arm64/boot/dts/qcom/glymur.dtsi
> > > index 66a548400c720474cde8a8b82ee686be507a795f..ae013c64e096b7c90c0aa4cfc50f078a85518acb 100644
> > > --- a/arch/arm64/boot/dts/qcom/glymur.dtsi
> > > +++ b/arch/arm64/boot/dts/qcom/glymur.dtsi
> > > @@ -4065,6 +4065,14 @@ watchdog@...00000 {
> > >                         interrupts = <GIC_SPI 0 IRQ_TYPE_EDGE_RISING>;
> > >                 };
> > >
> > > +               pdp0_mbox: mailbox@...10000 {
> > > +                       compatible = "qcom,glymur-cpucp-mbox", "qcom,x1e80100-cpucp-mbox";
> > > +                       reg = <0 0x17610000 0 0x8000>, <0 0x19980000 0 0x8000>;
> > > +                       interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
> > > +                       #mbox-cells = <1>;
> > > +                       qcom,rx-chans = <0x7>;
> > > +               };
> > 
> > Again one node per patch. this is really pointless, please read
> > submitting patches before posting.
> > 
> 
> In this series I certainly agree with you.
> 
> This is most definitely part of the next patch, which is core support
> that should have been part of the introduction of the CPU nodes in the
> initial patch.

I'd say, all CPU-related patches should be squashed. There is no reqason
to have CPU, CPU idles and CPUfreq in 3 different patches.

> 
> Regards,
> Bjorn
> 
> > New Soc is one logical change. One.

-- 
With best wishes
Dmitry