[openeuler:OLK-6.6 6900/7311] drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c:475:60: sparse: sparse: incorrect type in argument 1 (different base types)

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

tree:   https://gitee.com/openeuler/kernel.git OLK-6.6
head:   05607873db411ec3c614313b43cec60138c26a99
commit: 676df2864a908565710282838af4f392acb9ebd4 [6900/7311] net: hns3: add command queue trace for hns3
config: loongarch-randconfig-r113-20240408 (https://download.01.org/0day-ci/archive/20240409/202404090328.GBESI86e-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20240409/202404090328.GBESI86e-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/202404090328.GBESI86e-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c:475:60: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned short [usertype] opcode @@     got restricted __le16 [usertype] opcode @@
   drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c:475:60: sparse:     expected unsigned short [usertype] opcode
   drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c:475:60: sparse:     got restricted __le16 [usertype] opcode
   drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/slab.h, ...):
   include/linux/page-flags.h:245:46: sparse: sparse: self-comparison always evaluates to false
--
   drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, ...):
>> drivers/net/ethernet/hisilicon/hns3/hns3pf/./hclge_trace.h:132:1: sparse: sparse: cast to restricted __le32
   drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c: note: in included file (through include/trace/perf.h, include/trace/define_trace.h, drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h):
>> drivers/net/ethernet/hisilicon/hns3/hns3pf/./hclge_trace.h:132:1: sparse: sparse: cast to restricted __le32
   drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...):
   include/linux/page-flags.h:245:46: sparse: sparse: self-comparison always evaluates to false

vim +475 drivers/net/ethernet/hisilicon/hns3/hns3_common/hclge_comm_cmd.c

   462	
   463	/**
   464	 * hclge_comm_cmd_send - send command to command queue
   465	 * @hw: pointer to the hw struct
   466	 * @desc: prefilled descriptor for describing the command
   467	 * @num : the number of descriptors to be sent
   468	 *
   469	 * This is the main send command for command queue, it
   470	 * sends the queue, cleans the queue, etc
   471	 **/
   472	int hclge_comm_cmd_send(struct hclge_comm_hw *hw, struct hclge_desc *desc,
   473				int num)
   474	{
 > 475		bool is_special = hclge_comm_is_special_opcode(desc->opcode);
   476		struct hclge_comm_cmq_ring *csq = &hw->cmq.csq;
   477		int ret;
   478		int ntc;
   479	
   480		if (hw->cmq.ops.trace_cmd_send)
   481			hw->cmq.ops.trace_cmd_send(hw, desc, num, is_special);
   482	
   483		spin_lock_bh(&hw->cmq.csq.lock);
   484	
   485		if (test_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hw->comm_state)) {
   486			spin_unlock_bh(&hw->cmq.csq.lock);
   487			return -EBUSY;
   488		}
   489	
   490		if (num > hclge_comm_ring_space(&hw->cmq.csq)) {
   491			/* If CMDQ ring is full, SW HEAD and HW HEAD may be different,
   492			 * need update the SW HEAD pointer csq->next_to_clean
   493			 */
   494			csq->next_to_clean =
   495				hclge_comm_read_dev(hw, HCLGE_COMM_NIC_CSQ_HEAD_REG);
   496			spin_unlock_bh(&hw->cmq.csq.lock);
   497			return -EBUSY;
   498		}
   499	
   500		/**
   501		 * Record the location of desc in the ring for this time
   502		 * which will be use for hardware to write back
   503		 */
   504		ntc = hw->cmq.csq.next_to_use;
   505	
   506		hclge_comm_cmd_copy_desc(hw, desc, num);
   507	
   508		/* Write to hardware */
   509		hclge_comm_write_dev(hw, HCLGE_COMM_NIC_CSQ_TAIL_REG,
   510				     hw->cmq.csq.next_to_use);
   511	
   512		ret = hclge_comm_cmd_check_result(hw, desc, num, ntc);
   513	
   514		spin_unlock_bh(&hw->cmq.csq.lock);
   515	
   516		if (hw->cmq.ops.trace_cmd_get)
   517			hw->cmq.ops.trace_cmd_get(hw, desc, num, is_special);
   518	
   519		return ret;
   520	}
   521	

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