linux-kernel - Re: [PATCH V5 0/5] Add support for PCIe endpoint mode in Tegra194

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Message-ID: <20200311105141.GA30083@e121166-lin.cambridge.arm.com>
Date:   Wed, 11 Mar 2020 10:52:00 +0000
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Vidya Sagar <vidyas@...dia.com>
Cc:     bhelgaas@...gle.com, robh+dt@...nel.org, thierry.reding@...il.com,
        jonathanh@...dia.com, andrew.murray@....com, kishon@...com,
        gustavo.pimentel@...opsys.com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kthota@...dia.com, mmaddireddy@...dia.com, sagar.tv@...il.com
Subject: Re: [PATCH V5 0/5] Add support for PCIe endpoint mode in Tegra194

On Tue, Mar 03, 2020 at 11:40:47PM +0530, Vidya Sagar wrote:
> Tegra194 has three (C0, C4 & C5) dual mode PCIe controllers that can operate
> either in root port mode or in end point mode but only in one mode at a time.
> Platform P2972-0000 supports enabling endpoint mode for C5 controller. This
> patch series adds support for PCIe endpoint mode in both the driver as well as
> in DT.
> This patch series depends on the changes made for Synopsys DesignWare endpoint
> mode subsystem that are recently accepted.
> @ https://patchwork.kernel.org/project/linux-pci/list/?series=202211
> which in turn depends on the patch made by Kishon
> @ https://patchwork.kernel.org/patch/10975123/
> which is also under review.
> 
> V5:
> * Rebased patch-2 on top of Lorenzo's pci/endpoint branch
> * Removed unwanted header files inclusion in patch-5

Applied patches 1,2,5 to pci/endpoint for v5.7, please let me know
if something is missing.

Thanks,
Lorenzo

> V4:
> * Started using threaded irqs instead of kthreads
> 
> V3:
> * Re-ordered patches in the series to make the driver change as the last patch
> * Took care of Thierry's review comments
> 
> V2:
> * Addressed Thierry & Bjorn's review comments
> * Added EP mode specific binding documentation to already existing binding documentation file
> * Removed patch that enables GPIO controller nodes explicitly as they are enabled already
> 
> Vidya Sagar (5):
>   soc/tegra: bpmp: Update ABI header
>   dt-bindings: PCI: tegra: Add DT support for PCIe EP nodes in Tegra194
>   arm64: tegra: Add PCIe endpoint controllers nodes for Tegra194
>   arm64: tegra: Add support for PCIe endpoint mode in P2972-0000
>     platform
>   PCI: tegra: Add support for PCIe endpoint mode in Tegra194
> 
>  .../bindings/pci/nvidia,tegra194-pcie.txt     | 125 +++-
>  .../boot/dts/nvidia/tegra194-p2972-0000.dts   |  18 +
>  arch/arm64/boot/dts/nvidia/tegra194.dtsi      |  99 +++
>  drivers/pci/controller/dwc/Kconfig            |  30 +-
>  drivers/pci/controller/dwc/pcie-tegra194.c    | 679 +++++++++++++++++-
>  include/soc/tegra/bpmp-abi.h                  |  10 +-
>  6 files changed, 916 insertions(+), 45 deletions(-)
> 
> -- 
> 2.17.1
>