linux-kernel - Re: s390-linux-ld: ll_temac_main.c:undefined reference to `devm_platform_ioremap_resource

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Message-ID: <ac0c1ba8-d7c7-1868-db25-ccf063effec8@infradead.org>
Date:   Mon, 1 Feb 2021 14:38:48 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     kernel test robot <lkp@...el.com>, Wang Hai <wanghai38@...wei.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: s390-linux-ld: ll_temac_main.c:undefined reference to
 `devm_platform_ioremap_resource_byname'

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/):

$ 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'