linux-kernel - Re: [PATCH v3 6/7] PCI: qcom: Drop the assert

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Message-ID: <aVPIzp97pEFjIYBr@ryzen>
Date: Tue, 30 Dec 2025 13:42:54 +0100
From: Niklas Cassel <cassel@...nel.org>
To: manivannan.sadhasivam@....qualcomm.com
Cc: Manivannan Sadhasivam <mani@...nel.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Bartosz Golaszewski <brgl@...ev.pl>, linux-pci@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Chen-Yu Tsai <wens@...nel.org>,
	Brian Norris <briannorris@...omium.org>,
	Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>,
	Alex Elder <elder@...cstar.com>,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v3 6/7] PCI: qcom: Drop the assert_perst() callbacks

On Tue, Dec 30, 2025 at 01:31:50PM +0100, Niklas Cassel wrote:
> On Mon, Dec 29, 2025 at 10:56:57PM +0530, Manivannan Sadhasivam via B4 Relay wrote:
> 
> Now when all pwrctrl drivers have been converted to new pwrctrl design,
> there is no need for the .assert_perst() callback in the controller drivers,
> because with the new design, the actual work by the pwrctrl driver will have
> been done before the controller driver enumerates the bus. There is thus no
> longer any need for .assert_perst() callbacks in the controller drivers.

s/before the controller driver enumerates the bus/before the controller driver
asserts + desserts PERST# and starts link training/


Kind regards,
Niklas