linux-kernel - Re: ld.lld: error: undefined symbol: amba_driver

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Date:   Thu, 29 Oct 2020 12:28:54 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     kbuild-all@...ts.01.org,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel test robot <lkp@...el.com>
Subject: Re: ld.lld: error: undefined symbol: amba_driver_register

On Wed, Oct 28, 2020 at 9:57 PM kernel test robot <lkp@...el.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@...el.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