linux-kernel - Re: [PATCH v4 0/8] PCI/pwrctrl: Major rework to integrate pwrctrl devices with controller drivers

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Message-ID: <20260112121335.GA707347@bhelgaas>
Date: Mon, 12 Jan 2026 06:13:35 -0600
From: Bjorn Helgaas <helgaas@...nel.org>
To: Manivannan Sadhasivam <mani@...nel.org>
Cc: manivannan.sadhasivam@....qualcomm.com,
	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>,
	Niklas Cassel <cassel@...nel.org>, Alex Elder <elder@...cstar.com>,
	Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>,
	Chen-Yu Tsai <wenst@...omium.org>,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v4 0/8] PCI/pwrctrl: Major rework to integrate pwrctrl
 devices with controller drivers

On Mon, Jan 12, 2026 at 01:23:02PM +0530, Manivannan Sadhasivam wrote:
> On Sun, Jan 11, 2026 at 09:31:32PM -0600, Bjorn Helgaas wrote:
> > On Mon, Jan 05, 2026 at 07:25:40PM +0530, Manivannan Sadhasivam via B4 Relay wrote:
> > > Hi,
> > > 
> > > This series provides a major rework for the PCI power control (pwrctrl)
> > > framework to enable the pwrctrl devices to be controlled by the PCI controller
> > > drivers.
> > 
> > I pushed a pci/pwrctrl-v5 that incorporates some of the comments I
> > sent.  If it's useful, you can use it as a basis for a v6; if not,
> > no worries.
> > 
> 
> Thanks for making the changes, they look good to me. Do you expect
> me to send v6 or you intend to merge this pwrctrl-v5 branch to
> pci/next?

I'm not planning to merge pwrctrl-v5 yet.

Still hoping pci_pwrctrl_slot_power_on() could be factored out earlier
to simplify "PCI/pwrctrl: Add 'struct pci_pwrctrl::power_{on/off}'
callbacks".  It wasn't quite obvious to me how to do that.