On 03.02.2022 13:26, Pali Rohár wrote: > Hello! > > [+ Marek] > > On Thursday 27 January 2022 17:49:17 Bjorn Helgaas wrote: > > [+cc Thomas, Pali] > > > > On Thu, Jan 27, 2022 at 10:52:43PM +0000, bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > > https://bugzilla.kernel.org/show_bug.cgi?id=215540 > > > > > > Bug ID: 215540 > > > Summary: mvebu: no pcie devices detected on turris omnia > > > (5.16.3 regression) > > > Product: Drivers > > > Version: 2.5 > > > Kernel Version: 5.16.3 > > > Hardware: ARM > > > OS: Linux > > > Tree: Mainline > > > Status: NEW > > > Severity: normal > > > Priority: P1 > > > Component: PCI > > > Assignee: drivers_pci@xxxxxxxxxxxxxxxxxxxx > > > Reporter: jpalus@xxxxxxxxxxxx > > > Regression: No > > > > > > After kernel upgrade from 5.16.1 to 5.16.3 Turris Omnia (Armada 385) > > > no longer detects pcie devices (wifi/msata). Haven't tried 5.16.2 > > > but it doesn't seem to have any relevant changes, while 5.16.3 > > > carries a few. > > I'm not sure where is the issue and why it crashes. But I tested all > sent pci patches on Turris Omnia in the past and they worked fine. Not sure if it's of any help but I've added info to bz about specific commit that seems to cause the regression: commit 7cde9bf0731688896831f90da9fe755f44a6d5e0 author Pali Rohár <pali@xxxxxxxxxx> PCI: mvebu: Fix configuring secondary bus of PCIe Root Port via emulated bridge [ Upstream commit 91a8d79fc797d3486ae978beebdfc55261c7d65b ] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.16.y&id=7cde9bf0731688896831f90da9fe755f44a6d5e0
