Re: [kbuild-all] Re: s390-linux-ld: ll_temac_main.c:undefined reference to `devm_platform_ioremap_resource_byname'

[Rong Chen <rong.a.chen@intel.com>]

On 2/2/21 1:22 PM, Randy Dunlap wrote:
> On 2/1/21 9:09 PM, Rong Chen wrote:
>>
>> On 2/2/21 6:38 AM, Randy Dunlap wrote:
>>> On 1/31/21 4:06 PM, kernel test robot wrote:
>>>> Hi Wang,
>>>>
>>>> FYI, the error/warning still remains.
>>>>
>>>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>>>> head:   1048ba83fb1c00cd24172e23e8263972f6b5d9ac
>>>> commit: bd69058f50d5ffa659423bcfa6fe6280ce9c760a net: ll_temac: Use devm_platform_ioremap_resource_byname()
>>>> date:   6 months ago
>>>> config: s390-randconfig-r034-20210201 (attached as .config)
>>> Hi robot,
>>>
>>> Instead of hit & miss with s390 randconfigs, you could do what I did:
>>> (all for arch/s390/):
>> Hi Randy,
>>
>> Thanks for the advice, do you mean we don't need to test randconfig for arch s390?
> You should still do randconfig testing for s390 (for other problems), but the robot has been
> sending out a lot of build errors similar to this one, using different randconfig files.
>
> I am just saying that you can find all of the ioremap/iounmap/devm_io* type build errors
> in one kernel config file as described above.

Hi Randy,

Thanks for the detailed explanation, will do it.

Best Regards,
Rong Chen

>
>> Best Regards,
>> Rong Chen
>>
>>> $ make allmodconfig
>>> $ scripts/config -d PCI  ## this also disables HAS_IOMEM
>>> $ make oldconfig
>>> $ make all
>>>
>>> The latter gives a full list of drivers etc. that use iomemp/ioremap etc. as well as dev_io* variants instead of just a few random ones.
>>>
>>>
>>>> All errors (new ones prefixed by >>):
>>>>
>>>>      s390-linux-ld: drivers/net/ethernet/xilinx/ll_temac_main.o: in function `temac_probe':
>>>>      ll_temac_main.c:(.text+0x39b6): undefined reference to `devm_platform_ioremap_resource_byname'
>>>>>> s390-linux-ld: ll_temac_main.c:(.text+0x3a4c): undefined reference to `devm_platform_ioremap_resource_byname'
>>>>      s390-linux-ld: ll_temac_main.c:(.text+0x3bce): undefined reference to `devm_ioremap'
>>>>      s390-linux-ld: drivers/net/ethernet/xilinx/xilinx_axienet_main.o: in function `axienet_probe':
>>>>      xilinx_axienet_main.c:(.text+0x844): undefined reference to `devm_ioremap_resource'
>>> _______________________________________________
>