Hi Sam,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on tty/tty-testing linus/master v5.14-rc3 next-20210730]
[cannot apply to pinctrl-samsung/for-next]
[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/Sam-Protsenko/Add-minimal-support-for-Exynos850-SoC/20210730-225138
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: m68k-randconfig-r001-20210730 (attached as .config)
compiler: m68k-linux-gcc (GCC) 10.3.0
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/738bb76f03b05dc8cde2c11eebe2e49187e98b2e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sam-Protsenko/Add-minimal-support-for-Exynos850-SoC/20210730-225138
        git checkout 738bb76f03b05dc8cde2c11eebe2e49187e98b2e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=m68k 

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

All warnings (new ones prefixed by >>):

>> drivers/clk/samsung/clk-exynos850.c:36:13: warning: no previous prototype for 'exynos850_clk_init' [-Wmissing-prototypes]
      36 | void __init exynos850_clk_init(struct device_node *np)
         |             ^~~~~~~~~~~~~~~~~~


vim +/exynos850_clk_init +36 drivers/clk/samsung/clk-exynos850.c

    35	
  > 36	void __init exynos850_clk_init(struct device_node *np)
    37	{
    38		void __iomem *reg_base;
    39		struct samsung_clk_provider *ctx;
    40	
    41		if (!np)
    42			panic("%s: unable to determine soc\n", __func__);
    43	
    44		reg_base = of_iomap(np, 0);
    45		if (!reg_base)
    46			panic("%s: failed to map registers\n", __func__);
    47	
    48		ctx = samsung_clk_init(np, reg_base, CLK_NR_CLKS);
    49		if (!ctx)
    50			panic("%s: unable to allocate ctx\n", __func__);
    51	
    52		samsung_clk_of_register_fixed_ext(ctx,
    53				exynos850_fixed_rate_ext_clks,
    54				ARRAY_SIZE(exynos850_fixed_rate_ext_clks),
    55				ext_clk_match);
    56	
    57		samsung_clk_register_fixed_rate(ctx, exynos850_peri_clks,
    58				ARRAY_SIZE(exynos850_peri_clks));
    59	
    60		samsung_clk_of_add_provider(np, ctx);
    61	}
    62	

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