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Date: Wed, 21 Feb 2024 15:35:22 +0100
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Subject: Re: [PATCH v1 3/3] PCI: qcom: Add support for detecting controller
 level PCIe errors
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To: root <root@hu-msarkar-hyd.qualcomm.com>, andersson@kernel.org,
 krzysztof.kozlowski+dt@linaro.org, jingoohan1@gmail.com,
 gustavo.pimentel@synopsys.com, konrad.dybcio@linaro.org,
 manivannan.sadhasivam@linaro.org, conor+dt@kernel.org,
 quic_nitegupt@quicinc.com
Cc: quic_shazhuss@quicinc.com, quic_ramkri@quicinc.com,
 quic_nayiluri@quicinc.com, quic_krichai@quicinc.com,
 quic_vbadigan@quicinc.com, Nitesh Gupta <nitegupt@quicinc.com>,
 Mrinmay Sarkar <quic_msarkar@quicinc.com>,
 Bjorn Helgaas <bhelgaas@google.com>,
 Lorenzo Pieralisi <lpieralisi@kernel.org>,
 =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= <kw@linux.com>,
 Rob Herring <robh@kernel.org>, linux-arm-msm@vger.kernel.org,
 linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org
References: <20240221140405.28532-1-root@hu-msarkar-hyd.qualcomm.com>
 <20240221140405.28532-4-root@hu-msarkar-hyd.qualcomm.com>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240221140405.28532-4-root@hu-msarkar-hyd.qualcomm.com>
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On 21/02/2024 15:04, root wrote:
> From: Nitesh Gupta <nitegupt@quicinc.com>
> 
> 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.
> 

..

> +
>  static void qcom_pcie_init_debugfs(struct qcom_pcie *pcie)
>  {
>  	struct dw_pcie *pci = pcie->pci;
> @@ -1496,6 +1829,21 @@ static int qcom_pcie_probe(struct platform_device *pdev)
>  		goto err_pm_runtime_put;
>  	}
>  
> +	pcie->global_irq = platform_get_irq_byname(pdev, "global");
> +	if (pcie->global_irq < 0) {
> +		ret = pcie->global_irq;
> +		goto err_pm_runtime_put;

How does this work with old DTS and with all other platforms? Was it tested?

Best regards,
Krzysztof