ld.lld: error: undefined symbol: amba_driver_register

ld.lld: error: undefined symbol: amba_driver_register

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   23859ae44402f4d935b9ee548135dd1e65e2cbf4
commit: ea0c0ad6b6eb36726088991d97a55b99cae456d0 memory: Enable compile testing for most of the drivers
date:   2 months ago
config: arm-randconfig-r024-20201028 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 50dfa19cc799ae7cddd39a95dbfce675a12672ad)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ea0c0ad6b6eb36726088991d97a55b99cae456d0
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ea0c0ad6b6eb36726088991d97a55b99cae456d0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: amba_driver_register
   >>> referenced by pl353-smc.c
   >>> memory/pl353-smc.o:(pl353_smc_driver_init) in archive drivers/built-in.a
--
>> ld.lld: error: undefined symbol: amba_driver_unregister
   >>> referenced by pl353-smc.c
   >>> memory/pl353-smc.o:(pl353_smc_driver_exit) in archive drivers/built-in.a

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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Re: ld.lld: error: undefined symbol: amba_driver_register

[Nick Desaulniers]

On Wed, Oct 28, 2020 at 9:57 PM kernel test robot <lkp@intel.com> wrote:
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   23859ae44402f4d935b9ee548135dd1e65e2cbf4
> commit: ea0c0ad6b6eb36726088991d97a55b99cae456d0 memory: Enable compile testing for most of the drivers
> date:   2 months ago
> config: arm-randconfig-r024-20201028 (attached as .config)

^ Note, this was a randconfig, so the preprocessor guards on CONFIGs
might be wrong.

> compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 50dfa19cc799ae7cddd39a95dbfce675a12672ad)
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # install arm cross compiling tool for clang build
>         # apt-get install binutils-arm-linux-gnueabi
>         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ea0c0ad6b6eb36726088991d97a55b99cae456d0
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout ea0c0ad6b6eb36726088991d97a55b99cae456d0
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> >> ld.lld: error: undefined symbol: amba_driver_register
>    >>> referenced by pl353-smc.c
>    >>> memory/pl353-smc.o:(pl353_smc_driver_init) in archive drivers/built-in.a
> --
> >> ld.lld: error: undefined symbol: amba_driver_unregister
>    >>> referenced by pl353-smc.c
>    >>> memory/pl353-smc.o:(pl353_smc_driver_exit) in archive drivers/built-in.a
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>
> --
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-- 
Thanks,
~Nick Desaulniers

Re: ld.lld: error: undefined symbol: amba_driver_register

[Krzysztof Kozlowski]

On Thu, Oct 29, 2020 at 12:28:54PM -0700, Nick Desaulniers wrote:
> On Wed, Oct 28, 2020 at 9:57 PM kernel test robot <lkp@intel.com> wrote:
> >
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   23859ae44402f4d935b9ee548135dd1e65e2cbf4
> > commit: ea0c0ad6b6eb36726088991d97a55b99cae456d0 memory: Enable compile testing for most of the drivers
> > date:   2 months ago
> > config: arm-randconfig-r024-20201028 (attached as .config)
> 
> ^ Note, this was a randconfig, so the preprocessor guards on CONFIGs
> might be wrong.

The report looks correct. It's possible to craft ARM config without
ARM_AMBA which would cause this issue. I have a fix ready.

Best regards,
Krzysztof