Re: [REGRESSION] mainline/master: PCI link creation fails on Apalis iMX6

[Francesco Dolcini]

Hello all,


On Mon, Aug 10, 2026 at 02:54:45PM -0300, Leonardo Costa wrote:
> We are seeing a regression on Apalis iMX6 where connected PCI device
> links fail to come up at initialization, as shown below. The issue is
> not on the devices' physical connection, as they worked properly on v7.1
> and are working on other stable kernel versions.

just to make this more clear.

610fa91d9863 ("PCI: imx6: Assert PERST# before enabling regulators")
introduced a regression that prevented the boot. because of that we were
not able to run any of our test in our CI/CD

commit 7678e81498e2 ("PCI: imx6: Fix i.MX6Q/DL boot hang caused by improper PHY power sequencing")
fixes the boot issue, but now PCIe is not longer working


Francesco