linux-kernel - Re: [RFC] PCI: pwrctrl and link-up dependencies

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Message-ID: <Z_eWg9Zvc3bQho5S@ryzen>
Date: Thu, 10 Apr 2025 11:59:31 +0200
From: Niklas Cassel <cassel@...nel.org>
To: Brian Norris <briannorris@...omium.org>
Cc: Bartosz Golaszewski <brgl@...ev.pl>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>,
	Rob Herring <robh@...nel.org>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	dmitry.baryshkov@...aro.org, Tsai Sung-Fu <danielsftsai@...gle.com>
Subject: Re: [RFC] PCI: pwrctrl and link-up dependencies

On Tue, Apr 08, 2025 at 12:59:36PM -0700, Brian Norris wrote:
> I also see that Manivannan has a proposal out [2] to add semi-generic
> link-down + retraining support to core code. It treads somewhat similar
> ground, and I could even imagine that its pci_ops::retrain_link()
> callback could even be reimplemented in terms of the aforementioned
> pci_ops::{start,stop}_link(), or possibly vice versa.

Just want to point out that there is a newer version of this series here:
https://lore.kernel.org/linux-pci/20250404-pcie-reset-slot-v1-0-98952918bf90@linaro.org/T/#t


Kind regards,
Niklas