Re: [PATCH v5 2/4] net: can: rockchip: Refactor the rkcanfd_devtype_data structure

[kernel test robot <lkp@intel.com>]

Hi Elaine,

kernel test robot noticed the following build warnings:

[auto build test WARNING on mkl-can-next/testing]
[also build test WARNING on robh/for-next linus/master v6.15-rc7 next-20250523]
[cannot apply to rockchip/for-next]
[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/Elaine-Zhang/dt-bindings-can-rockchip_canfd-add-rk3576-CAN-FD-controller/20250523-211340
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing
patch link:    https://lore.kernel.org/r/20250523075422.4010083-3-zhangqing%40rock-chips.com
patch subject: [PATCH v5 2/4] net: can: rockchip: Refactor the rkcanfd_devtype_data structure
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20250524/202505241818.tw02Bia6-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250524/202505241818.tw02Bia6-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/202505241818.tw02Bia6-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/net/can/rockchip/rockchip_canfd-core.c:25:
>> drivers/net/can/rockchip/rockchip_canfd.h:439:29: warning: 'priv' defined but not used [-Wunused-variable]
     439 | static struct rkcanfd_priv *priv;
         |                             ^~~~


vim +/priv +439 drivers/net/can/rockchip/rockchip_canfd.h

   438	
 > 439	static struct rkcanfd_priv *priv;
   440	

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