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Date:   Fri, 14 Oct 2022 11:40:00 +0530
From:   Manivannan Sadhasivam <mani@kernel.org>
To:     Vidya Sagar <vidyas@nvidia.com>
Cc:     jingoohan1@gmail.com, gustavo.pimentel@synopsys.com,
        lpieralisi@kernel.org, robh@kernel.org, kw@linux.com,
        bhelgaas@google.com, mani@kernel.org,
        Sergey.Semin@baikalelectronics.ru, dmitry.baryshkov@linaro.org,
        linmq006@gmail.com, ffclaire1224@gmail.com,
        thierry.reding@gmail.com, jonathanh@nvidia.com,
        linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        linux-kernel@vger.kernel.org, kthota@nvidia.com,
        mmaddireddy@nvidia.com, sagar.tv@gmail.com
Subject: Re: [PATCH V5 0/3] PCI: designware-ep: Fix DBI access before core
 init
Message-ID: <20221014061000.GA316241@thinkpad>
References: <20221013175712.7539-1-vidyas@nvidia.com>
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Hi Vidya,

On Thu, Oct 13, 2022 at 11:27:09PM +0530, Vidya Sagar wrote:
> This series attempts to fix the issue with core register (Ex:- DBI) accesses
> causing system hang issues in platforms where there is a dependency on the
> availability of PCIe Reference clock from the host for their core
> initialization.
> This series is verified on Tegra194 & Tegra234 platforms.
> 
> Manivannan, could you please verify on qcom platforms?
> 

Currently I'm on paternity leave this week and next. Will test/review the latest
version once I'm back.

Thanks,
Mani

> V5:
> * Addressed review comments from Bjorn
> * Changed dw_pcie_ep_init_complete() to dw_pcie_ep_init_late()
> * Skipped memory allocation if done already. This is to avoid freeing and then
>   allocating again during PERST# toggles from the host.
> 
> V4:
> * Addressed review comments from Bjorn and Manivannan
> * Added .ep_init_late() ops
> * Added patches to refactor code in qcom and tegra platforms
> 
> Vidya Sagar (3):
>   PCI: designware-ep: Fix DBI access before core init
>   PCI: qcom-ep: Refactor EP initialization completion
>   PCI: tegra194: Refactor EP initialization completion
> 
>  .../pci/controller/dwc/pcie-designware-ep.c   | 125 +++++++++++-------
>  drivers/pci/controller/dwc/pcie-designware.h  |  10 +-
>  drivers/pci/controller/dwc/pcie-qcom-ep.c     |  27 ++--
>  drivers/pci/controller/dwc/pcie-tegra194.c    |   4 +-
>  4 files changed, 97 insertions(+), 69 deletions(-)
> 
> -- 
> 2.17.1
> 

-- 
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