Re: [PATCH v2 0/2] PCI/pwrctrl: A couple of fixes

From: Bjorn Helgaas

Date: Mon Mar 16 2026 - 18:32:41 EST


On Mon, Feb 23, 2026 at 08:15:58PM +0530, Manivannan Sadhasivam via B4 Relay wrote:
> Hi,
>
> This series fixes a couple of issues introduced in the recent pwrctrl rework
> for v7.0. Both issues are due to some incorrect assumptions on deciding when to
> create pwrctrl devices. First issue is due to assuming that all OF graph nodes
> require pwrctrl and another one is due to assuming that all PCI child nodes are
> PCI devices.
>
> Both issues are fixed by changing the pwrctrl device creation logic in
> pwrctrl/core.
>
> Testing
> =======
>
> This series is tested on Lenovo Thinkpad T14s.
>
> Note for Bjorn H
> ================
>
> Even though only patch 1 is fixing a regression on the IPQ board which was not
> part of the testbed of the pwrctrl rework went in for v7.0, patch 2 is also
> fixing an actual issue, but it is not impacting any of the current upstream
> supported platforms. But I'd like to get these two patches merged for v7.0 so
> that both the issues are fixed in the same major release where the issues
> originated.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxxxxxxxx>
> ---
> Changes in v2:
> - Used the compatible match for detecting the PCI devices in DT
> - Link to v1: https://lore.kernel.org/r/20260217-pwrctrl-fixes-7-0-v1-0-b5671e58934f@xxxxxxxxxxxxxxxx
>
> ---
> Manivannan Sadhasivam (2):
> PCI/pwrctrl: Ensure that the remote endpoint node parent has the supply requirement
> PCI/pwrctrl: Only create pwrctrl device if the device node belongs to a PCI device
>
> drivers/pci/pwrctrl/core.c | 54 +++++++++++++++++++++++++++++++++++-----------
> 1 file changed, 41 insertions(+), 13 deletions(-)

Applied to pci/for-linus for v7.0, thanks!