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

[Aksh Garg <a-garg7@ti.com>]

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@infradead.org
> 
> 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@ti.com/

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
> 
> 
>