[mkl-can-next:testing 4/5] drivers/net/can/m_can/tcan4x5x-core.c:333:22: warning: unused variable 'np'

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git testing
head:   e0b741bc53c94f9ae25d4140202557a0aa51b5a0
commit: 490105aa8f79a2f96de9c6c23fb22437faf0d6a4 [4/5] can: tcan4x5x: add option for selecting nWKRQ voltage
config: x86_64-buildonly-randconfig-004-20241118 (https://download.01.org/0day-ci/archive/20241119/202411190037.WDcg9NkS-lkp@xxxxxxxxx/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241119/202411190037.WDcg9NkS-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/202411190037.WDcg9NkS-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from drivers/net/can/m_can/tcan4x5x-core.c:5:
   In file included from drivers/net/can/m_can/tcan4x5x.h:14:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:21:
   In file included from include/linux/mm.h:2213:
   include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     504 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     505 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     511 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     512 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     524 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     525 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/net/can/m_can/tcan4x5x-core.c:333:22: warning: unused variable 'np' [-Wunused-variable]
     333 |         struct device_node *np = cdev->dev->of_node;
         |                             ^~
   5 warnings generated.


vim +/np +333 drivers/net/can/m_can/tcan4x5x-core.c

   329	
   330	static void tcan4x5x_get_dt_data(struct m_can_classdev *cdev)
   331	{
   332		struct tcan4x5x_priv *tcan4x5x = cdev_to_priv(cdev);
 > 333		struct device_node *np = cdev->dev->of_node;
   334	
   335		tcan4x5x->nwkrq_voltage_vio =
   336			of_property_read_bool(cdev->dev->of_node, "ti,nwkrq-voltage-vio");
   337	}
   338	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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