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

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在 2023/3/8 下午8:16, kernel test robot 写道:
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@xxxxxxxxx/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@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303082037.QPfBP64A-lkp@xxxxxxxxx/

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

The CONFIG_64BIT not enabled in your config file, I will add a depend on "CONFIG_64BIT" in my clock driver to fix this compile error.



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	





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