drivers/rtc/nvmem.c:1: warning: no structured comments found

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c2d5304e6c648ebcf653bace7e51e0e6742e46c8
commit: 697e5a47aa12cdab6f2a8b284cc923cdf704eafc rtc: add generic nvmem support
date:   6 years ago
config: i386-randconfig-002-20231120 (https://download.01.org/0day-ci/archive/20231122/202311220906.ijAdquSF-lkp@xxxxxxxxx/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231122/202311220906.ijAdquSF-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/202311220906.ijAdquSF-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/rtc/nvmem.c:1: warning: no structured comments found


vim +1 drivers/rtc/nvmem.c

   > 1	/*
     2	 * RTC subsystem, nvmem interface
     3	 *
     4	 * Copyright (C) 2017 Alexandre Belloni
     5	 *
     6	 * This program is free software; you can redistribute it and/or modify
     7	 * it under the terms of the GNU General Public License version 2 as
     8	 * published by the Free Software Foundation.
     9	 */
    10	

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