linux-kernel - Re: [PATCH v13 2/2] clk: clk-loongson2: add clock controller driver support

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Date:   Wed, 8 Mar 2023 20:16:51 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yinbo Zhu <zhuyinbo@...ngson.cn>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     oe-kbuild-all@...ts.linux.dev, Jianmin Lv <lvjianmin@...ngson.cn>,
        Liu Peibao <liupeibao@...ngson.cn>, wanghongliang@...ngson.cn,
        loongson-kernel@...ts.loongnix.cn, Yinbo Zhu <zhuyinbo@...ngson.cn>
Subject: Re: [PATCH v13 2/2] clk: clk-loongson2: add clock controller driver
 support

Hi Yinbo,

I love your patch! Yet something to improve:

[auto build test ERROR on clk/clk-next]
[also build test ERROR on robh/for-next linus/master v6.3-rc1 next-20230308]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Yinbo-Zhu/clk-clk-loongson2-add-clock-controller-driver-support/20230307-195252
base:   https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
patch link:    https://lore.kernel.org/r/20230307115022.12846-2-zhuyinbo%40loongson.cn
patch subject: [PATCH v13 2/2] clk: clk-loongson2: add clock controller driver support
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20230308/202303082037.QPfBP64A-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/391d6fc63ac65f5456e4755c9dd85232a6296285
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Yinbo-Zhu/clk-clk-loongson2-add-clock-controller-driver-support/20230307-195252
        git checkout 391d6fc63ac65f5456e4755c9dd85232a6296285
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303082037.QPfBP64A-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/clk/clk-loongson2.c: In function 'loongson2_calc_pll_rate':
>> drivers/clk/clk-loongson2.c:79:15: error: implicit declaration of function 'readq'; did you mean 'readl'? [-Werror=implicit-function-declaration]
      79 |         val = readq(loongson2_pll_base + offset);
         |               ^~~~~
         |               readl
   cc1: some warnings being treated as errors


vim +79 drivers/clk/clk-loongson2.c

    73	
    74	static unsigned long loongson2_calc_pll_rate(int offset, unsigned long rate)
    75	{
    76		u64 val;
    77		u32 mult = 1, div = 1;
    78	
  > 79		val = readq(loongson2_pll_base + offset);
    80	
    81		mult = (val >> LOONGSON2_PLL_MULT_SHIFT) &
    82				clk_div_mask(LOONGSON2_PLL_MULT_WIDTH);
    83		div = (val >> LOONGSON2_PLL_DIV_SHIFT) &
    84				clk_div_mask(LOONGSON2_PLL_DIV_WIDTH);
    85	
    86		return div_u64((u64)rate * mult, div);
    87	}
    88	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests