[linux-next:master 12610/12944] arch/mips/ralink/timer.c:136:34: error: array type has incomplete element type 'struct of_device_id'

[linux-next:master 12610/12944] arch/mips/ralink/timer.c:136:34: error: array type has incomplete element type 'struct of_device_id'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   8ffc8b1bbd505e27e2c8439d326b6059c906c9dd
commit: 5804be0618486f8979208e323188e44f8013a6a3 [12610/12944] MIPS: ralink: Remove unused of_gpio.h
config: mips-randconfig-r021-20220112 (https://download.01.org/0day-ci/archive/20240309/202403090727.nLhljNp6-lkp@intel.com/config)
compiler: mipsel-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240309/202403090727.nLhljNp6-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403090727.nLhljNp6-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

>> arch/mips/ralink/timer.c:136:34: error: array type has incomplete element type 'struct of_device_id'
     136 | static const struct of_device_id rt_timer_match[] = {
         |                                  ^~~~~~~~~~~~~~
>> arch/mips/ralink/timer.c:136:34: warning: 'rt_timer_match' defined but not used [-Wunused-variable]


vim +136 arch/mips/ralink/timer.c

80ecbd245791fe John Crispin 2013-08-08  135  
80ecbd245791fe John Crispin 2013-08-08 @136  static const struct of_device_id rt_timer_match[] = {
80ecbd245791fe John Crispin 2013-08-08  137  	{ .compatible = "ralink,rt2880-timer" },
80ecbd245791fe John Crispin 2013-08-08  138  	{},
80ecbd245791fe John Crispin 2013-08-08  139  };
80ecbd245791fe John Crispin 2013-08-08  140  

:::::: The code at line 136 was first introduced by commit
:::::: 80ecbd245791fec5da4baa88c7273ec7f9ae7782 MIPS: ralink: Add support for periodic timer irq

:::::: TO: John Crispin <blogic@openwrt.org>
:::::: CC: Ralf Baechle <ralf@linux-mips.org>

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