linux-kernel - Re: [PATCH v2 0/8] PCI: qcom: Add support for SC8280XP and SA8540P

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Date:   Mon, 18 Jul 2022 12:16:04 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Johan Hovold <johan+linaro@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/8] PCI: qcom: Add support for SC8280XP and SA8540P

On Fri, Jul 15, 2022 at 05:37:28PM -0500, Bjorn Helgaas wrote:
> On Thu, Jul 14, 2022 at 09:13:40AM +0200, Johan Hovold wrote:
> > This series adds support for the PCIe controllers found on SC8280XP and
> > SA8540P.
> 
> These look fairly straightforward, and I don't mind doing minor tweaks
> and conflict resolution, but given that we've got four or five cooks
> in the qcom kitchen, I'm looking for an ack from Stan before spending
> too much time on this.

Sounds good. Stan's acked the series now too.

Since I rebased v2 on qcom-pending (and added the missing pipe clock
patch), there shouldn't be any conflicts and the only fixup I'm aware of
is the sort order of the "qcom,pcie-ipq4019" entry in patch 8/8. 

Let me know if you prefer I fix that in a v3 otherwise these can be
applied once the MSI series has been merged.

I saw Stan acking the binding in that series, not sure if the intention
was to ack the whole series?

	https://lore.kernel.org/all/3f9e1c18-bc61-8690-5427-ba8dc5fad7ad@mm-sol.com/

> > Included are also three patches that clean up the way the driver handles
> > different IP revisions (e.g. by modelling optional clocks as being truly
> > optional).
> > 
> > These patches depend on the recently merged (but currently held off?)
> > PIPE clock series:
> > 
> > 	https://lore.kernel.org/all/20220608105238.2973600-1-dmitry.baryshkov@linaro.org/
> 
> As far as I know it's on pci/ctrl/qcom [1], in -next, and ready to go.
> It's based on Bjorn A's immutable branch [2].

Right.
 
> > as well as the about-to-be-merged MSI series (v17):
> > 
> > 	https://lore.kernel.org/all/20220707134733.2436629-6-dmitry.baryshkov@linaro.org/
> > 
> > Note that the final patch in the PIPE clock series is currently missing
> > from the pci/ctrl/qcom-pending branch:
> > 
> > 	https://lore.kernel.org/all/20220608105238.2973600-6-dmitry.baryshkov@linaro.org/
> 
> I think I fixed that, let me know if not; see [1].
> 
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/log/?h=839fbdee4c08
> [2] https://lore.kernel.org/linux-pci/YroMyWNO8ZLk1bTe@builder.lan/

It appears to have been fixed in your branch now, but it hasn't yet made
it into -next.

> > Changes in v2
> >  - drop the two DT schema fixes which have been applied by Bjorn H and
> >    squashed into the MSI v17 series by Dmitry, respectively
> >  - rebase on pci/ctrl/qcom-pending (2022-07-14)
> >  - fix compatible sort order (Krzysztof)
> >  - amend commit message for first patch to clarify motivation
> >    (Krzysztof)
> >  - add acks and reviewed-by tags from Dmitry, Krzysztof, Mani and Rob
> > 
> > 
> > Johan Hovold (8):
> >   dt-bindings: PCI: qcom: Enumerate platforms with single msi interrupt
> >   dt-bindings: PCI: qcom: Add SC8280XP to binding
> >   dt-bindings: PCI: qcom: Add SA8540P to binding
> >   PCI: qcom: Add support for SC8280XP
> >   PCI: qcom: Add support for SA8540P
> >   PCI: qcom: Make all optional clocks optional
> >   PCI: qcom: Clean up IP configurations
> >   PCI: qcom: Sort device-id table

Johan