Re: [linux-next:master 5946/11253] ld.lld: error: undefined symbol: reset_controller_register

[Thierry Reding <treding@nvidia.com>]

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On Fri, Jun 18, 2021 at 04:21:45PM +0200, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   e71e3a48a7e89fa71fb70bf4602367528864d2ff
> commit: 56ebc9b0d77e0406aba2d900c82e79204cc7dc32 [5946/11253] memory: tegra: Enable compile testing for all drivers
> config: x86_64-randconfig-a001-20210618 (attached as .config)
> compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401)
> 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 x86_64 cross compiling tool for clang build
>         # apt-get install binutils-x86-64-linux-gnu
>         # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=56ebc9b0d77e0406aba2d900c82e79204cc7dc32
>         git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>         git fetch --no-tags linux-next master
>         git checkout 56ebc9b0d77e0406aba2d900c82e79204cc7dc32
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> 
> Note: the linux-next/master HEAD e71e3a48a7e89fa71fb70bf4602367528864d2ff builds fine.
>       It may have been fixed somewhere.
> 
> All errors (new ones prefixed by >>):
> 
> >> ld.lld: error: undefined symbol: reset_controller_register
>    >>> referenced by mc.c
>    >>>               memory/tegra/mc.o:(tegra_mc_probe) in archive drivers/built-in.a

Ugh... more fallout from that compile-test enablement. It looks like
that compile-test stubs addition patch for reset hasn't found its way
into linux-next yet.

Philipp, I wonder if it would make sense for Krzysztof to pick up that
patch or, if you prefer, for Krzysztof to pull a stable branch from you
that includes this so that the memory controller tree becomes buildable
again?

Thierry

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