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

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Date:   Tue, 2 Feb 2021 13:09:31 +0800
From:   Rong Chen <rong.a.chen@...el.com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Wang Hai <wanghai38@...wei.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: [kbuild-all] Re: s390-linux-ld: ll_temac_main.c:undefined
 reference to `devm_platform_ioremap_resource_byname'



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?

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'
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