linux-kernel - drivers/scsi/mpt3sas/mpt3sas_base.c:4323:16: sparse: sparse: incorrect type in argument 1 (different base types)

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Message-ID: <202301162319.23yLqECh-lkp@intel.com>
Date:   Mon, 16 Jan 2023 23:27:37 +0800
From:   kernel test robot <lkp@...el.com>
To:     Damien Le Moal <damien.lemoal@...nsource.wdc.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: drivers/scsi/mpt3sas/mpt3sas_base.c:4323:16: sparse: sparse:
 incorrect type in argument 1 (different base types)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   5dc4c995db9eb45f6373a956eb1f69460e69e6d4
commit: f920642e406cfa17ebecf03d5b83a02273ec718e scsi: mpt3sas: Revert "scsi: mpt3sas: Fix writel() use"
date:   4 months ago
config: x86_64-randconfig-s022-20230116
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f920642e406cfa17ebecf03d5b83a02273ec718e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout f920642e406cfa17ebecf03d5b83a02273ec718e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/scsi/mpt3sas/

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

sparse warnings: (new ones prefixed by >>)
>> drivers/scsi/mpt3sas/mpt3sas_base.c:4323:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int val @@     got restricted __le32 [usertype] @@
   drivers/scsi/mpt3sas/mpt3sas_base.c:4323:16: sparse:     expected unsigned int val
   drivers/scsi/mpt3sas/mpt3sas_base.c:4323:16: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mpt3sas/mpt3sas_base.c:4345:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int val @@     got restricted __le32 [usertype] @@
   drivers/scsi/mpt3sas/mpt3sas_base.c:4345:16: sparse:     expected unsigned int val
   drivers/scsi/mpt3sas/mpt3sas_base.c:4345:16: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mpt3sas/mpt3sas_base.c:4368:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int val @@     got restricted __le32 [usertype] @@
   drivers/scsi/mpt3sas/mpt3sas_base.c:4368:16: sparse:     expected unsigned int val
   drivers/scsi/mpt3sas/mpt3sas_base.c:4368:16: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mpt3sas/mpt3sas_base.c:4389:16: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int val @@     got restricted __le32 [usertype] @@
   drivers/scsi/mpt3sas/mpt3sas_base.c:4389:16: sparse:     expected unsigned int val
   drivers/scsi/mpt3sas/mpt3sas_base.c:4389:16: sparse:     got restricted __le32 [usertype]
   drivers/scsi/mpt3sas/mpt3sas_base.c:7066:24: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected unsigned int val @@     got restricted __le32 [usertype] @@
   drivers/scsi/mpt3sas/mpt3sas_base.c:7066:24: sparse:     expected unsigned int val
   drivers/scsi/mpt3sas/mpt3sas_base.c:7066:24: sparse:     got restricted __le32 [usertype]

vim +4323 drivers/scsi/mpt3sas/mpt3sas_base.c

  4302	
  4303	/**
  4304	 * _base_put_smid_scsi_io_atomic - send SCSI_IO request to firmware using
  4305	 *   Atomic Request Descriptor
  4306	 * @ioc: per adapter object
  4307	 * @smid: system request message index
  4308	 * @handle: device handle, unused in this function, for function type match
  4309	 *
  4310	 * Return: nothing.
  4311	 */
  4312	static void
  4313	_base_put_smid_scsi_io_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
  4314		u16 handle)
  4315	{
  4316		Mpi26AtomicRequestDescriptor_t descriptor;
  4317		u32 *request = (u32 *)&descriptor;
  4318	
  4319		descriptor.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
  4320		descriptor.MSIxIndex = _base_set_and_get_msix_index(ioc, smid);
  4321		descriptor.SMID = cpu_to_le16(smid);
  4322	
> 4323		writel(cpu_to_le32(*request), &ioc->chip->AtomicRequestDescriptorPost);
  4324	}
  4325	

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

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