Re: linux-next: Tree for Jul 30 (pci/controller/cadence/)

[Aksh Garg]

On 05/08/26 02:47, Bjorn Helgaas wrote:
> [+cc recent committers in drivers/pci/controller/cadence/]
>
> On Fri, Jul 31, 2026 at 05:12:03PM -0700, Randy Dunlap wrote:
> > On 7/31/26 2:41 PM, Bjorn Helgaas wrote:
> > > On Thu, Jul 30, 2026 at 07:27:42PM -0500, Bjorn Helgaas wrote:
> > > > [+cc authors of everything on pci/controller/cadence; I haven't
> > > > triaged this at all, sorry, and don't have time right now to drop that
> > > > branch from pci/next]
>
> Thanks, Randy, I reproduced this problem on v7.1 in an x86_64 build
> with the config-r1495.gz you posted at
> https://lore.kernel.org/all/b99bef0f-7694-4aff-949e-d289d8ddb10e@xxxxxxxxxxxxx
>
> Per MAINTAINERS, drivers/pci/controller/cadence/ is orphaned.  If
> anybody cares about this, please take a look and fix this issue.

Hi,

I have posted the fix at:
https://lore.kernel.org/all/20260805105014.3952686-1-a-garg7@xxxxxx/

Regards,
Aksh Garg

> > > > On Thu, Jul 30, 2026 at 04:06:44PM -0700, Randy Dunlap wrote:
> > > > > On 7/30/26 8:02 AM, Mark Brown wrote:
> > > > > > Hi all,
> > > > > >
> > > > > > Changes since 20260729:
> > > > >
> > > > > (1) /usr/bin/ld.bfd: drivers/pci/controller/cadence/pcie-cadence-plat.o: in function `cdns_plat_pcie_probe':
> > > > > pcie-cadence-plat.c:(.text+0x2f8): undefined reference to `cdns_pcie_ep_setup'
> > > > >
> > > > > In this case, a builtin driver attempts to call into a loadable module:
> > > > >
> > > > > #
> > > > > # Cadence-based PCIe controllers
> > > > > #
> > > > > CONFIG_PCIE_CADENCE=y
> > > > > # CONFIG_PCIE_CADENCE_DEBUGFS is not set
> > > > > CONFIG_PCIE_CADENCE_HOST=y
> > > > > CONFIG_PCIE_CADENCE_EP=m
> > > > > CONFIG_PCIE_CADENCE_PLAT=y
> > > > > CONFIG_PCIE_CADENCE_PLAT_HOST=y
> > > > > CONFIG_PCIE_CADENCE_PLAT_EP=m
> > > > > # end of Cadence-based PCIe controllers
> > >
> > > I was unable to reproduce this issue, so I didn't do anything.  I
> > > didn't figure out how to make CONFIG_PCIE_CADENCE_EP=m; the config I
> > > used was:
> > >
> > >    CONFIG_PCIE_CADENCE=y
> > >    # CONFIG_PCIE_CADENCE_DEBUGFS is not set
> > >    CONFIG_PCIE_CADENCE_HOST=y
> > >    CONFIG_PCIE_CADENCE_EP=y
> > >    CONFIG_PCIE_CADENCE_PLAT=y
> > >    CONFIG_PCIE_CADENCE_PLAT_HOST=y
> > >    CONFIG_PCIE_CADENCE_PLAT_EP=m
> > >
> > > > > (2) /usr/bin/ld.bfd: drivers/pci/controller/cadence/pcie-cadence-plat.o: in function `cdns_plat_pcie_probe':
> > > > > pcie-cadence-plat.c:(.text+0x11f): undefined reference to `cdns_pcie_host_setup'
> > > > >
> > > > >
> > > > > This is similar, just a different driver is =m in the failure case.
> > > > >
> > > > > #
> > > > > # Cadence-based PCIe controllers
> > > > > #
> > > > > CONFIG_PCIE_CADENCE=y
> > > > > CONFIG_PCIE_CADENCE_DEBUGFS=y
> > > > > CONFIG_PCIE_CADENCE_HOST=m
> > > > > CONFIG_PCIE_CADENCE_EP=y
> > > > > CONFIG_PCIE_CADENCE_PLAT=y
> > > > > CONFIG_PCIE_CADENCE_PLAT_HOST=m
> > > > > CONFIG_PCIE_CADENCE_PLAT_EP=y
> >
> > I have reproduced it several times in cases that were
> > generated by 'make randconfig'.
> > I am attaching the 2 failing randconfig files (both for x86_64
> > and linux-next).
> >
> > --
> > ~Randy