linux-kernel - Re: (subset) [PATCH v4 00/12] PCI: qcom: Enumerate endpoints based on Link up event in 'global

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Message-ID: <172965696407.224417.4025107228766337178.b4-ty@kernel.org>
Date: Tue, 22 Oct 2024 23:15:58 -0500
From: Bjorn Andersson <andersson@...nel.org>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Rob Herring <robh@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: linux-pci@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: (subset) [PATCH v4 00/12] PCI: qcom: Enumerate endpoints based on Link up event in 'global_irq' interrupt


On Wed, 28 Aug 2024 21:16:10 +0530, Manivannan Sadhasivam wrote:
> This series adds support to enumerate the PCIe endpoint devices using the Qcom
> specific 'Link up' event in 'global' IRQ. Historically, Qcom PCIe RC controllers
> lacked standard hotplug support. So when an endpoint is attached to the SoC,
> users have to rescan the bus manually to enumerate the device. But this can be
> avoided by rescanning the bus upon receiving 'Link up' event.
> 
> Qcom PCIe RC controllers are capable of generating the 'global' SPI interrupt
> to the host CPUs. The device driver can use this interrupt to identify events
> such as PCIe link specific events, safety events etc...
> 
> [...]

Applied, thanks!

[09/12] arm64: dts: qcom: sa8775p: Add 'linux,pci-domain' to PCIe EP controller nodes
        commit: 9e8f38da6e240a71b860c4a895ea583f63964c45
[12/12] arm64: dts: qcom: sm8450: Add 'global' interrupt to the PCIe RC node
        commit: 7dc36be39c96f00d0d7c577cc91ff6b108b1d444

Best regards,
-- 
Bjorn Andersson <andersson@...nel.org>