linux-kernel - Re: [PATCH 0/2] PCI: {qcom-ep/tegra194}: Move endpoint cleanups to PERST# deassert handler

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Message-ID: <20241102171107.p7j44qsi6ojokrmz@thinkpad>
Date: Sat, 2 Nov 2024 22:41:07 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Vidya Sagar <vidyas@...dia.com>, linux-pci@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thierry Reding <treding@...dia.com>, linux-tegra@...r.kernel.org
Subject: Re: [PATCH 0/2] PCI: {qcom-ep/tegra194}: Move endpoint cleanups to
 PERST# deassert handler

On Sat, Aug 17, 2024 at 11:09:02AM +0530, Manivannan Sadhasivam via B4 Relay wrote:
> Hi,
> 
> This series moves the call to endpoint cleanup functions (dw_pcie_ep_cleanup()
> pci_epc_deinit_notify()) to PERST# deassert handler in qcom-ep and tegra194
> drivers. It aims to fix a crash that is seen with Qcom endpoint SoCs when host
> asserts PERST# and the cleanup functions are called without refclk.
> 
> During the review of v1 [1], Bjorn suggested fixing up tegra194 driver as well
> as both drivers share the same design and require refclk from host for
> operation.
> 
> Testing
> =======
> 
> The Qcom patch is tested on SM8450 development board. For tegra194, I'm
> expecting someone in the Cc list or the community will do the testing.
> 
> [1] https://lore.kernel.org/linux-pci/20240815224717.GA53536@bhelgaas/
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Can this series be merged for 6.13?

- Mani

> ---
> Manivannan Sadhasivam (2):
>       PCI: qcom-ep: Move controller cleanups to qcom_pcie_perst_deassert()
>       PCI: tegra194: Move controller cleanups to pex_ep_event_pex_rst_deassert()
> 
>  drivers/pci/controller/dwc/pcie-qcom-ep.c  | 6 ++++--
>  drivers/pci/controller/dwc/pcie-tegra194.c | 7 ++++---
>  2 files changed, 8 insertions(+), 5 deletions(-)
> ---
> base-commit: 8400291e289ee6b2bf9779ff1c83a291501f017b
> change-id: 20240817-pci-qcom-ep-cleanup-740745e21d87
> 
> Best regards,
> -- 
> Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> 
> 

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