[PATCH 5/5] clocksource/drivers/timer-clint: Add T-Head C9xx clint support

[kernel test robot]

Hi Jisheng,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.9-rc1 next-20240327]
[cannot apply to tip/timers/core]
[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/Jisheng-Zhang/riscv-nommu-remove-PAGE_OFFSET-hardcoding/20240326-021401
base:   linus/master
patch link:    https://lore.kernel.org/r/20240325164021.3229-6-jszhang%40kernel.org
patch subject: [PATCH 5/5] clocksource/drivers/timer-clint: Add T-Head C9xx clint support
config: riscv-randconfig-r131-20240326 (https://download.01.org/0day-ci/archive/20240328/202403280636.SLv93x6B-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240328/202403280636.SLv93x6B-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403280636.SLv93x6B-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/clocksource/timer-clint.c:253:19: warning: 'c900_clint_timer_init_dt' defined but not used [-Wunused-function]
     253 | static int __init c900_clint_timer_init_dt(struct device_node *np)
         |                   ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/c900_clint_timer_init_dt +253 drivers/clocksource/timer-clint.c

   252	
 > 253	static int __init c900_clint_timer_init_dt(struct device_node *np)
   254	{
   255		is_c900_clint = true;
   256		return clint_timer_init_dt(np);
   257	}
   258	

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