Re: [PATCH v4 1/4] clk: sifive: Extract prci core to common base

[Zong Li <zong.li@sifive.com>]

On Wed, Nov 25, 2020 at 2:43 AM kernel test robot <lkp@intel.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 linus/master linux/master v5.10-rc5 next-20201124]
> [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-FU740/20201111-180900
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
> config: riscv-randconfig-r003-20201124 (attached as .config)
> compiler: riscv32-linux-gcc (GCC) 9.3.0
> 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
>         # https://github.com/0day-ci/linux/commit/f08e191181ee40e21d9c1d63cfa4d894bc86ff27
>         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-FU740/20201111-180900
>         git checkout f08e191181ee40e21d9c1d63cfa4d894bc86ff27
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv
>
> 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 >>):
>
>    riscv32-linux-ld: drivers/clk/sifive/sifive-prci.o: in function `sifive_prci_wrpll_recalc_rate':
> >> sifive-prci.c:(.text+0x398): undefined reference to `wrpll_calc_output_rate'
>    riscv32-linux-ld: drivers/clk/sifive/sifive-prci.o: in function `sifive_prci_wrpll_round_rate':
> >> sifive-prci.c:(.text+0x41a): undefined reference to `wrpll_configure_for_rate'
> >> riscv32-linux-ld: sifive-prci.c:(.text+0x428): undefined reference to `wrpll_calc_output_rate'
>    riscv32-linux-ld: drivers/clk/sifive/sifive-prci.o: in function `sifive_prci_wrpll_set_rate':
>    sifive-prci.c:(.text+0x480): undefined reference to `wrpll_configure_for_rate'
> >> riscv32-linux-ld: sifive-prci.c:(.text+0x4ee): undefined reference to `wrpll_calc_max_lock_us'
> >> riscv32-linux-ld: drivers/clk/sifive/sifive-prci.o:(.srodata+0x0): undefined reference to `__prci_init_clocks_fu540'
>

Fix the dependency of sifive-prci.c in the next version patch set by
following, only build core code if CONFIG_CLK_SIFIVE_PRCI is selected.

- obj-y  += sifive-prci.o
+ obj-$(CONFIG_CLK_SIFIVE_PRCI)   += sifive-prci.o

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