linux-kernel - drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4327:35: sparse: sparse: incorrect type in argument 4 (different base types)

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Message-ID: <202111240652.YtQ3WLQD-lkp@intel.com>
Date:   Wed, 24 Nov 2021 06:40:12 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luo Jiaxing <luojiaxing@...wei.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        John Garry <john.garry@...wei.com>
Subject: drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4327:35: sparse: sparse:
 incorrect type in argument 4 (different base types)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   136057256686de39cc3a07c2e39ef6bc43003ff6
commit: cd96fe600cc4924d8d0cc6e3161870219c0d2c12 scsi: hisi_sas: Add trace FIFO debugfs support
date:   10 months ago
config: ia64-randconfig-s031-20211123 (https://download.01.org/0day-ci/archive/20211124/202111240652.YtQ3WLQD-lkp@intel.com/config.gz)
compiler: ia64-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cd96fe600cc4924d8d0cc6e3161870219c0d2c12
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout cd96fe600cc4924d8d0cc6e3161870219c0d2c12
        # save the config file to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4327:35: sparse: sparse: incorrect type in argument 4 (different base types) @@     expected restricted __le32 [usertype] *[assigned] ptr @@     got unsigned int * @@
   drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4327:35: sparse:     expected restricted __le32 [usertype] *[assigned] ptr
   drivers/scsi/hisi_sas/hisi_sas_v3_hw.c:4327:35: sparse:     got unsigned int *

vim +4327 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c

  4319	
  4320	static int debugfs_fifo_data_v3_hw_show(struct seq_file *s, void *p)
  4321	{
  4322		struct hisi_sas_phy *phy = s->private;
  4323	
  4324		debugfs_read_fifo_data_v3_hw(phy);
  4325	
  4326		debugfs_show_row_32_v3_hw(s, 0, HISI_SAS_FIFO_DATA_DW_SIZE * 4,
> 4327					  phy->fifo.rd_data);
  4328	
  4329		return 0;
  4330	}
  4331	DEFINE_SHOW_ATTRIBUTE(debugfs_fifo_data_v3_hw);
  4332	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org