[PATCH 4/4] ARM: at91: pm: use kernel documentation style

[kernel test robot]

Hi Claudiu,

I love your patch! Perhaps something to improve:

[auto build test WARNING on soc/for-next]
[also build test WARNING on v5.18-rc2 next-20220411]
[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/intel-lab-lkp/linux/commits/Claudiu-Beznea/ARM-at91-pm-add-quirks-for-ethernet/20220411-191956
base:   https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
config: arm-sama7_defconfig (https://download.01.org/0day-ci/archive/20220412/202204120552.PLev1dS4-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c6e83f560f06cdfe8aa47b248d8bdc58f947274b)
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
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/intel-lab-lkp/linux/commit/0d5dd0bc2c021263d5e0c3b27fb073830ef4aa54
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Claudiu-Beznea/ARM-at91-pm-add-quirks-for-ethernet/20220411-191956
        git checkout 0d5dd0bc2c021263d5e0c3b27fb073830ef4aa54
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

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

All warnings (new ones prefixed by >>):

>> arch/arm/mach-at91/pm.c:62: warning: expecting prototype for struct at91_pm_sfrbu_offsets. Prototype was for struct at91_pm_sfrbu_regs instead


vim +62 arch/arm/mach-at91/pm.c

f19dd1df9e71da Claudiu Beznea 2021-04-15  50  
0d5dd0bc2c0212 Claudiu Beznea 2022-04-11  51  /**
0d5dd0bc2c0212 Claudiu Beznea 2022-04-11  52   * struct at91_pm_sfrbu_offsets - registers mapping for SFRBU
ac809e7879b156 Claudiu Beznea 2021-08-30  53   * @pswbu: power switch BU control registers
ac809e7879b156 Claudiu Beznea 2021-08-30  54   */
ac809e7879b156 Claudiu Beznea 2021-08-30  55  struct at91_pm_sfrbu_regs {
ac809e7879b156 Claudiu Beznea 2021-08-30  56  	struct {
ac809e7879b156 Claudiu Beznea 2021-08-30  57  		u32 key;
ac809e7879b156 Claudiu Beznea 2021-08-30  58  		u32 ctrl;
ac809e7879b156 Claudiu Beznea 2021-08-30  59  		u32 state;
ac809e7879b156 Claudiu Beznea 2021-08-30  60  		u32 softsw;
ac809e7879b156 Claudiu Beznea 2021-08-30  61  	} pswbu;
ac809e7879b156 Claudiu Beznea 2021-08-30 @62  };
ac809e7879b156 Claudiu Beznea 2021-08-30  63  

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