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Message-ID: <202306010129.QHfIJwq1-lkp@intel.com>
Date:   Thu, 1 Jun 2023 01:28:02 +0800
From:   kernel test robot <lkp@...el.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Vineet Gupta <vgupta@...nel.org>
Subject: drivers/scsi/pcmcia/nsp_cs.c:1683:34: sparse: sparse: incorrect type
 in argument 1 (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   48b1320a674e1ff5de2fad8606bee38f724594dc
commit: c44f15c1c09481d50fd33478ebb5b8284f8f5edb arc: iounmap() arg is volatile
date:   8 months ago
config: arc-randconfig-s052-20230531 (https://download.01.org/0day-ci/archive/20230601/202306010129.QHfIJwq1-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 12.3.0
reproduce:
        mkdir -p ~/bin
        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: v0.6.4-39-gce1a6720-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c44f15c1c09481d50fd33478ebb5b8284f8f5edb
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout c44f15c1c09481d50fd33478ebb5b8284f8f5edb
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc SHELL=/bin/bash drivers/scsi/pcmcia/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306010129.QHfIJwq1-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/scsi/pcmcia/nsp_cs.c:1683:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *addr @@     got void * @@
   drivers/scsi/pcmcia/nsp_cs.c:1683:34: sparse:     expected void const volatile [noderef] __iomem *addr
   drivers/scsi/pcmcia/nsp_cs.c:1683:34: sparse:     got void *
   drivers/scsi/pcmcia/nsp_cs.c: note: in included file:
   drivers/scsi/pcmcia/nsp_io.h:231:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const volatile [noderef] __iomem *addr @@     got unsigned long *ptr @@
   drivers/scsi/pcmcia/nsp_io.h:231:24: sparse:     expected void const volatile [noderef] __iomem *addr
   drivers/scsi/pcmcia/nsp_io.h:231:24: sparse:     got unsigned long *ptr
   drivers/scsi/pcmcia/nsp_io.h:257:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void volatile [noderef] __iomem *addr @@     got unsigned long *ptr @@
   drivers/scsi/pcmcia/nsp_io.h:257:17: sparse:     expected void volatile [noderef] __iomem *addr
   drivers/scsi/pcmcia/nsp_io.h:257:17: sparse:     got unsigned long *ptr

vim +1683 drivers/scsi/pcmcia/nsp_cs.c

^1da177e4c3f415 Linus Torvalds    2005-04-16  1661  
^1da177e4c3f415 Linus Torvalds    2005-04-16  1662  
fba395eee7d3f34 Dominik Brodowski 2006-03-31  1663  static void nsp_cs_release(struct pcmcia_device *link)
^1da177e4c3f415 Linus Torvalds    2005-04-16  1664  {
^1da177e4c3f415 Linus Torvalds    2005-04-16  1665  	scsi_info_t *info = link->priv;
^1da177e4c3f415 Linus Torvalds    2005-04-16  1666  	nsp_hw_data *data = NULL;
^1da177e4c3f415 Linus Torvalds    2005-04-16  1667  
^1da177e4c3f415 Linus Torvalds    2005-04-16  1668  	if (info->host == NULL) {
^1da177e4c3f415 Linus Torvalds    2005-04-16  1669  		nsp_msg(KERN_DEBUG, "unexpected card release call.");
^1da177e4c3f415 Linus Torvalds    2005-04-16  1670  	} else {
^1da177e4c3f415 Linus Torvalds    2005-04-16  1671  		data = (nsp_hw_data *)info->host->hostdata;
^1da177e4c3f415 Linus Torvalds    2005-04-16  1672  	}
^1da177e4c3f415 Linus Torvalds    2005-04-16  1673  
^1da177e4c3f415 Linus Torvalds    2005-04-16  1674  	nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link);
^1da177e4c3f415 Linus Torvalds    2005-04-16  1675  
^1da177e4c3f415 Linus Torvalds    2005-04-16  1676  	/* Unlink the device chain */
^1da177e4c3f415 Linus Torvalds    2005-04-16  1677  	if (info->host != NULL) {
^1da177e4c3f415 Linus Torvalds    2005-04-16  1678  		scsi_remove_host(info->host);
^1da177e4c3f415 Linus Torvalds    2005-04-16  1679  	}
^1da177e4c3f415 Linus Torvalds    2005-04-16  1680  
cdb138080b78146 Dominik Brodowski 2010-07-28  1681  	if (resource_size(link->resource[2])) {
^1da177e4c3f415 Linus Torvalds    2005-04-16  1682  		if (data != NULL) {
^1da177e4c3f415 Linus Torvalds    2005-04-16 @1683  			iounmap((void *)(data->MmioAddress));
^1da177e4c3f415 Linus Torvalds    2005-04-16  1684  		}
^1da177e4c3f415 Linus Torvalds    2005-04-16  1685  	}
fba395eee7d3f34 Dominik Brodowski 2006-03-31  1686  	pcmcia_disable_device(link);
5f2a71fcb799563 Dominik Brodowski 2006-01-15  1687  
^1da177e4c3f415 Linus Torvalds    2005-04-16  1688  	if (info->host != NULL) {
^1da177e4c3f415 Linus Torvalds    2005-04-16  1689  		scsi_host_put(info->host);
^1da177e4c3f415 Linus Torvalds    2005-04-16  1690  	}
^1da177e4c3f415 Linus Torvalds    2005-04-16  1691  } /* nsp_cs_release */
^1da177e4c3f415 Linus Torvalds    2005-04-16  1692  

:::::: The code at line 1683 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>

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

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