[shenki:aspeed-6.9-rebase 724/1143] drivers/net/can/aspeed_can.c:301:6: warning: no previous prototype for 'aspeed_can_err_init'

[shenki:aspeed-6.9-rebase 724/1143] drivers/net/can/aspeed_can.c:301:6: warning: no previous prototype for 'aspeed_can_err_init'

[kernel test robot]

tree:   https://github.com/shenki/linux aspeed-6.9-rebase
head:   9bdcee91eb5d9149678acb9d066e9dafbd026721
commit: 2ee73951fe1501d2112dffe0779046c31b9e84c8 [724/1143] can: aspeed: Can driver initial support
config: microblaze-allmodconfig (https://download.01.org/0day-ci/archive/20240504/202405042003.wbWT0aDv-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240504/202405042003.wbWT0aDv-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/202405042003.wbWT0aDv-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/can/aspeed_can.c:301:6: warning: no previous prototype for 'aspeed_can_err_init' [-Wmissing-prototypes]
     301 | void aspeed_can_err_init(struct net_device *ndev)
         |      ^~~~~~~~~~~~~~~~~~~
>> drivers/net/can/aspeed_can.c:312:6: warning: no previous prototype for 'aspeed_can_interrupt_conf' [-Wmissing-prototypes]
     312 | void aspeed_can_interrupt_conf(struct net_device *ndev)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/can/aspeed_can.c: In function 'aspeed_can_err_interrupt':
>> drivers/net/can/aspeed_can.c:836:13: warning: variable 'tecnt' set but not used [-Wunused-but-set-variable]
     836 |         u32 tecnt;
         |             ^~~~~
>> drivers/net/can/aspeed_can.c:835:13: warning: variable 'recnt' set but not used [-Wunused-but-set-variable]
     835 |         u32 recnt;
         |             ^~~~~


vim +/aspeed_can_err_init +301 drivers/net/can/aspeed_can.c

   300	
 > 301	void aspeed_can_err_init(struct net_device *ndev)
   302	{
   303		struct aspeed_can_priv *priv = netdev_priv(ndev);
   304		u32 reg_val;
   305	
   306		reg_val = (STAT_AFWL << CAN_ERR_AFWL_BITOFF) & CAN_ERR_AFWL_MASK;
   307		reg_val |= (STAT_EWL << CAN_ERR_EWL_BITOFF) & CAN_ERR_EWL_MASK;
   308	
   309		writel(reg_val, priv->reg_base + CAN_ERR_STAT);
   310	}
   311	
 > 312	void aspeed_can_interrupt_conf(struct net_device *ndev)
   313	{
   314		struct aspeed_can_priv *priv = netdev_priv(ndev);
   315		u32 inte;
   316	
   317		inte = CAN_INT_EIE_BIT | CAN_INT_TSIE_BIT | CAN_INT_TPIE_BIT |
   318		       CAN_INT_RAFIE_BIT | CAN_INT_RFIE_BIT | CAN_INT_ROIE_BIT |
   319		       CAN_INT_RIE_BIT | CAN_INT_BEIE_BIT | CAN_INT_ALIE_BIT |
   320		       CAN_INT_EPIE_BIT;
   321	
   322		writel(inte, priv->reg_base + CAN_INTE);
   323	}
   324	

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https://github.com/intel/lkp-tests/wiki