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[209.17.68.221]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21a9f256fe3sm81337695ad.243.2025.01.15.03.35.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Jan 2025 03:35:07 -0800 (PST) Date: Wed, 15 Jan 2025 20:35:05 +0900 From: Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= To: Neil Armstrong Cc: Bjorn Helgaas , Lorenzo Pieralisi , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] dt-bindings: PCI: qcom,pcie-sm8550: document 'global' interrupt Message-ID: <20250115113505.GM4176564@rocinante> References: <20241126-topic-sm8x50-pcie-global-irq-v1-0-4049cfccd073@linaro.org> <20241126-topic-sm8x50-pcie-global-irq-v1-1-4049cfccd073@linaro.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241126-topic-sm8x50-pcie-global-irq-v1-1-4049cfccd073@linaro.org> Hello, > Qcom PCIe RC controllers are capable of generating 'global' SPI interrupt > to the host CPU. This interrupt can be used by the device driver to handle > PCIe link specific events such as Link up and Link down, which give the > driver a chance to start bus enumeration on its own when link is up and > initiate link training if link goes to a bad state. The PCIe driver can > still work without this interrupt but it will provide a nice user > experience when device gets plugged and removed. > > Document the interrupt as optional for SM8550 and SM8650 platforms. Applied to dt-bindings for v6.14, thank you! Krzysztof