linux-kernel - Re: [PATCH v6 1/5] clk: sifive: Extract prci core to common base

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Date:   Wed, 9 Dec 2020 09:35:13 +0800
From:   Zong Li <zong.li@...ive.com>
To:     kernel test robot <lkp@...el.com>
Cc:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Andreas Schwab <schwab@...ux-m68k.org>,
        Pragnesh Patel <pragnesh.patel@...nfive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Michael Turquette <mturquette@...libre.com>,
        Yash Shah <yash.shah@...ive.com>,
        "linux-kernel@...r.kernel.org List" <linux-kernel@...r.kernel.org>,
        linux-clk@...r.kernel.org, kbuild-all@...ts.01.org,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH v6 1/5] clk: sifive: Extract prci core to common base

On Wed, Dec 9, 2020 at 1:08 AM kernel test robot <lkp@...el.com> wrote:
>
> Hi Zong,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on clk/clk-next]
> [also build test ERROR on robh/for-next linux/master linus/master v5.10-rc7 next-20201208]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url:    https://github.com/0day-ci/linux/commits/Zong-Li/clk-add-driver-for-the-SiFive-FU740/20201208-151711
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
> config: x86_64-randconfig-a016-20201208 (attached as .config)
> compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project a2f922140f5380571fb74179f2bf622b3b925697)
> 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://github.com/0day-ci/linux/commit/5bfdddc125b80d4541a5a925918efec9b6fe0282
>         git remote add linux-review https://github.com/0day-ci/linux
>         git fetch --no-tags linux-review Zong-Li/clk-add-driver-for-the-SiFive-FU740/20201208-151711
>         git checkout 5bfdddc125b80d4541a5a925918efec9b6fe0282
>         # 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@...el.com>
>
> All errors (new ones prefixed by >>):
>
> >> ld.lld: error: undefined symbol: wrpll_configure_for_rate
>    >>> referenced by sifive-prci.c
>    >>> clk/sifive/sifive-prci.o:(sifive_prci_wrpll_round_rate) in archive drivers/built-in.a
>    >>> referenced by sifive-prci.c
>    >>> clk/sifive/sifive-prci.o:(sifive_prci_wrpll_set_rate) in archive drivers/built-in.a
> --
> >> ld.lld: error: undefined symbol: wrpll_calc_output_rate
>    >>> referenced by sifive-prci.c
>    >>> clk/sifive/sifive-prci.o:(sifive_prci_wrpll_round_rate) in archive drivers/built-in.a
>    >>> referenced by sifive-prci.c
>    >>> clk/sifive/sifive-prci.o:(sifive_prci_wrpll_recalc_rate) in archive drivers/built-in.a
> --
> >> ld.lld: error: undefined symbol: wrpll_calc_max_lock_us
>    >>> referenced by sifive-prci.c
>    >>> clk/sifive/sifive-prci.o:(sifive_prci_wrpll_set_rate) in archive drivers/built-in.a
> --
> >> ld.lld: error: undefined symbol: __prci_init_clocks_fu540
>    >>> referenced by sifive-prci.c
>    >>> clk/sifive/sifive-prci.o:(prci_clk_fu540) 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

This issue should be fixed in the v5 version, it seems to be a mess in
our v6 internal branch, I would rebase the codebase and send the v7
patches.