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

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Date:   Thu, 9 Mar 2023 07:09:20 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     zhuyinbo <zhuyinbo@...ngson.cn>, kernel test robot <lkp@...el.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...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
Subject: Re: [PATCH v13 2/2] clk: clk-loongson2: add clock controller driver
 support

On 09/03/2023 03:58, zhuyinbo wrote:
> 
> 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@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
> 
> 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.

No, that's not how it should be fixed. Fix your code instead.



Best regards,
Krzysztof