linux-kernel - Re: [PATCH v1 0/3] Add support for detecting Controller Level PCIe Errors

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Date: Thu, 22 Feb 2024 10:52:22 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: root <root@...msarkar-hyd.qualcomm.com>
Cc: andersson@...nel.org, krzysztof.kozlowski+dt@...aro.org,
	jingoohan1@...il.com, gustavo.pimentel@...opsys.com,
	konrad.dybcio@...aro.org, conor+dt@...nel.org,
	quic_nitegupt@...cinc.com, quic_shazhuss@...cinc.com,
	quic_ramkri@...cinc.com, quic_nayiluri@...cinc.com,
	quic_krichai@...cinc.com, quic_vbadigan@...cinc.com,
	Mrinmay Sarkar <quic_msarkar@...cinc.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>, linux-arm-msm@...r.kernel.org,
	linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, shradha.t@...sung.com
Subject: Re: [PATCH v1 0/3] Add support for detecting Controller Level PCIe
 Errors

+ Shradha

On Wed, Feb 21, 2024 at 07:34:01PM +0530, root wrote:
> From: Mrinmay Sarkar <quic_msarkar@...cinc.com>
> 

You are sending the patches from a wierd account. Please fix it.

> Synopsys Controllers provide capabilities to detect various controller
> level errors. These can range from controller interface error to random
> PCIe configuration errors. This patch intends to add support to detect
> these errors and report it to userspace entity via sysfs, which can take
> appropriate actions to mitigate the errors.
> 
> Also adding global irq support for PCIe RC and add corresponding change
> in PCIe dt-bindings.
> 

There is already a series submitted to add RAS support to DWC drivers [1] and
I've provided comments to check with EDAC maintainers on using the EDAC
framework. If they don't see this as a fit for their subsystem, then we can add
it in DWC drivers.

- Mani

[1] https://lore.kernel.org/all/20231130165514.GW3043@thinkpad/

> Mrinmay Sarkar (2):
>   dt-bindings: PCI: qcom: Add global irq support for SA8775p
>   arm64: dts: qcom: sa8775p: Enable global irq support for SA8775p
> 
> Nitesh Gupta (1):
>   PCI: qcom: Add support for detecting Controller Level PCIe Errors
> 
>  .../devicetree/bindings/pci/qcom,pcie.yaml    |  26 +-
>  arch/arm64/boot/dts/qcom/sa8775p.dtsi         |  12 +-
>  drivers/pci/controller/dwc/pcie-designware.h  |  26 ++
>  drivers/pci/controller/dwc/pcie-qcom.c        | 350 ++++++++++++++++++
>  4 files changed, 408 insertions(+), 6 deletions(-)
> 
> -- 
> 2.40.1
> 

-- 
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