Re: [PATCH v5 3/4] clk: sophgo: Add SG2042 clock generator driver

[kernel test robot]

Hi Chen,

kernel test robot noticed the following build warnings:

[auto build test WARNING on b85ea95d086471afb4ad062012a4d73cd328fa86]

url:    https://github.com/intel-lab-lkp/linux/commits/Chen-Wang/dt-bindings-soc-sophgo-Add-Sophgo-system-control-module/20231207-165948
base:   b85ea95d086471afb4ad062012a4d73cd328fa86
patch link:    https://lore.kernel.org/r/975f9995584dfa8af751e96a1f4d2c7991551a35.1701938395.git.unicorn_wang%40outlook.com
patch subject: [PATCH v5 3/4] clk: sophgo: Add SG2042 clock generator driver
config: riscv-randconfig-r113-20231208 (https://download.01.org/0day-ci/archive/20231208/202312080441.KewnhdyO-lkp@xxxxxxxxx/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20231208/202312080441.KewnhdyO-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312080441.KewnhdyO-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
   WARNING: invalid argument to '-march': '_zihintpause'
>> drivers/clk/sophgo/clk-sophgo-sg2042.c:1037:1: sparse: sparse: symbol 'sg2042_clk_lock' was not declared. Should it be static?
   drivers/clk/sophgo/clk-sophgo-sg2042.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...):
   include/linux/page-flags.h:242:46: sparse: sparse: self-comparison always evaluates to false

vim +/sg2042_clk_lock +1037 drivers/clk/sophgo/clk-sophgo-sg2042.c

  1036	
> 1037	DEFINE_SPINLOCK(sg2042_clk_lock);
  1038	

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