tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   0dc589da873b58b70f4caf4b070fb0cf70fdd1dc
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to 
define address spaces
date:   4 weeks ago
config: arc-randconfig-s032-20200714 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
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: v0.6.2-41-g14e84ffc-dirty
        git checkout 670d0a4b10704667765f7d18f7592993d02783aa
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arc 

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


sparse warnings: (new ones prefixed by >>)

   drivers/isdn/hardware/mISDN/hfcmulti.c:452:22: sparse: sparse: incorrect 
type in argument 1 (different base types) @@     expected unsigned int 
[usertype] value @@     got restricted __le32 [usertype] @@
   drivers/isdn/hardware/mISDN/hfcmulti.c:452:22: sparse:     expected unsigned 
int [usertype] value
   drivers/isdn/hardware/mISDN/hfcmulti.c:452:22: sparse:     got restricted 
__le32 [usertype]
   drivers/isdn/hardware/mISDN/hfcmulti.c:457:22: sparse: sparse: incorrect 
type in argument 1 (different base types) @@     expected unsigned short 
[usertype] value @@     got restricted __le16 [usertype] @@
   drivers/isdn/hardware/mISDN/hfcmulti.c:457:22: sparse:     expected unsigned 
short [usertype] value
   drivers/isdn/hardware/mISDN/hfcmulti.c:457:22: sparse:     got restricted 
__le16 [usertype]
   drivers/isdn/hardware/mISDN/hfcmulti.c:472:17: sparse: sparse: cast from 
restricted __le32
   drivers/isdn/hardware/mISDN/hfcmulti.c:478:17: sparse: sparse: cast from 
restricted __le16
   drivers/isdn/hardware/mISDN/hfcmulti.c:496:32: sparse: sparse: cast to 
restricted __le32
   drivers/isdn/hardware/mISDN/hfcmulti.c:501:32: sparse: sparse: cast to 
restricted __le16
   drivers/isdn/hardware/mISDN/hfcmulti.c:518:25: sparse: sparse: cast to 
restricted __le32
   drivers/isdn/hardware/mISDN/hfcmulti.c:524:25: sparse: sparse: cast to 
restricted __le16
>> drivers/isdn/hardware/mISDN/hfcmulti.c:1092:26: sparse: sparse: incorrect 
>> type in argument 1 (different address spaces) @@     expected void const 
>> [noderef] __iomem *addr @@     got void * @@
>> drivers/isdn/hardware/mISDN/hfcmulti.c:1092:26: sparse:     expected void 
>> const [noderef] __iomem *addr
   drivers/isdn/hardware/mISDN/hfcmulti.c:1092:26: sparse:     got void *
   include/asm-generic/io.h:477:15: sparse: sparse: cast to restricted __le16
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:490:15: sparse: sparse: cast to restricted __le32
   include/asm-generic/io.h:477:15: sparse: sparse: cast to restricted __le16
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]
   include/asm-generic/io.h:521:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned int [usertype] w @@     got 
restricted __le32 [usertype] @@
   include/asm-generic/io.h:521:22: sparse:     expected unsigned int 
[usertype] w
   include/asm-generic/io.h:521:22: sparse:     got restricted __le32 [usertype]
   include/asm-generic/io.h:511:22: sparse: sparse: incorrect type in argument 
1 (different base types) @@     expected unsigned short [usertype] s @@     got 
restricted __le16 [usertype] @@
   include/asm-generic/io.h:511:22: sparse:     expected unsigned short 
[usertype] s
   include/asm-generic/io.h:511:22: sparse:     got restricted __le16 [usertype]

vim +1092 drivers/isdn/hardware/mISDN/hfcmulti.c

af69fb3a8ffa37 Karsten Keil 2008-07-27  1034  
af69fb3a8ffa37 Karsten Keil 2008-07-27  1035  
af69fb3a8ffa37 Karsten Keil 2008-07-27  1036  /*
af69fb3a8ffa37 Karsten Keil 2008-07-27  1037   * free hardware resources used 
by driver
af69fb3a8ffa37 Karsten Keil 2008-07-27  1038   */
af69fb3a8ffa37 Karsten Keil 2008-07-27  1039  static void
af69fb3a8ffa37 Karsten Keil 2008-07-27  1040  release_io_hfcmulti(struct 
hfc_multi *hc)
af69fb3a8ffa37 Karsten Keil 2008-07-27  1041  {
c31655fcf2c61f Hannes Eder  2008-12-12  1042    void __iomem *plx_acc_32;
c31655fcf2c61f Hannes Eder  2008-12-12  1043    u_int   pv;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1044    u_long  plx_flags;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1045  
af69fb3a8ffa37 Karsten Keil 2008-07-27  1046    if (debug & DEBUG_HFCMULTI_INIT)
af69fb3a8ffa37 Karsten Keil 2008-07-27  1047            printk(KERN_DEBUG "%s: 
entered\n", __func__);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1048  
af69fb3a8ffa37 Karsten Keil 2008-07-27  1049    /* soft reset also masks all 
interrupts */
af69fb3a8ffa37 Karsten Keil 2008-07-27  1050    hc->hw.r_cirm |= V_SRES;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1051    HFC_outb(hc, R_CIRM, 
hc->hw.r_cirm);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1052    udelay(1000);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1053    hc->hw.r_cirm &= ~V_SRES;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1054    HFC_outb(hc, R_CIRM, 
hc->hw.r_cirm);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1055    udelay(1000); /* instead of 
'wait' that may cause locking */
af69fb3a8ffa37 Karsten Keil 2008-07-27  1056  
af69fb3a8ffa37 Karsten Keil 2008-07-27  1057    /* release Speech Design card, 
if PLX was initialized */
af69fb3a8ffa37 Karsten Keil 2008-07-27  1058    if (test_bit(HFC_CHIP_PLXSD, 
&hc->chip) && hc->plx_membase) {
af69fb3a8ffa37 Karsten Keil 2008-07-27  1059            if (debug & 
DEBUG_HFCMULTI_PLXSD)
af69fb3a8ffa37 Karsten Keil 2008-07-27  1060                    
printk(KERN_DEBUG "%s: release PLXSD card %d\n",
af69fb3a8ffa37 Karsten Keil 2008-07-27  1061                           
__func__, hc->id + 1);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1062            
spin_lock_irqsave(&plx_lock, plx_flags);
c31655fcf2c61f Hannes Eder  2008-12-12  1063            plx_acc_32 = 
hc->plx_membase + PLX_GPIOC;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1064            writel(PLX_GPIOC_INIT, 
plx_acc_32);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1065            pv = readl(plx_acc_32);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1066            /* Termination off */
af69fb3a8ffa37 Karsten Keil 2008-07-27  1067            pv &= ~PLX_TERM_ON;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1068            /* Disconnect the PCM */
af69fb3a8ffa37 Karsten Keil 2008-07-27  1069            pv |= PLX_SLAVE_EN_N;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1070            pv &= ~PLX_MASTER_EN;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1071            pv &= ~PLX_SYNC_O_EN;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1072            /* Put the DSP in Reset 
*/
af69fb3a8ffa37 Karsten Keil 2008-07-27  1073            pv &= ~PLX_DSP_RES_N;
af69fb3a8ffa37 Karsten Keil 2008-07-27  1074            writel(pv, plx_acc_32);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1075            if (debug & 
DEBUG_HFCMULTI_INIT)
eac74af9b547e2 Karsten Keil 2009-05-22  1076                    
printk(KERN_DEBUG "%s: PCM off: PLX_GPIO=%x\n",
af69fb3a8ffa37 Karsten Keil 2008-07-27  1077                           
__func__, pv);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1078            
spin_unlock_irqrestore(&plx_lock, plx_flags);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1079    }
af69fb3a8ffa37 Karsten Keil 2008-07-27  1080  
af69fb3a8ffa37 Karsten Keil 2008-07-27  1081    /* disable memory mapped ports 
/ io ports */
af69fb3a8ffa37 Karsten Keil 2008-07-27  1082    
test_and_clear_bit(HFC_CHIP_PLXSD, &hc->chip); /* prevent resync */
db9bb63a1b5b65 Karsten Keil 2009-05-22  1083    if (hc->pci_dev)
af69fb3a8ffa37 Karsten Keil 2008-07-27  1084            
pci_write_config_word(hc->pci_dev, PCI_COMMAND, 0);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1085    if (hc->pci_membase)
c31655fcf2c61f Hannes Eder  2008-12-12  1086            
iounmap(hc->pci_membase);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1087    if (hc->plx_membase)
c31655fcf2c61f Hannes Eder  2008-12-12  1088            
iounmap(hc->plx_membase);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1089    if (hc->pci_iobase)
af69fb3a8ffa37 Karsten Keil 2008-07-27  1090            
release_region(hc->pci_iobase, 8);
db9bb63a1b5b65 Karsten Keil 2009-05-22  1091    if (hc->xhfc_membase)
db9bb63a1b5b65 Karsten Keil 2009-05-22 @1092            iounmap((void 
*)hc->xhfc_membase);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1093  
af69fb3a8ffa37 Karsten Keil 2008-07-27  1094    if (hc->pci_dev) {
af69fb3a8ffa37 Karsten Keil 2008-07-27  1095            
pci_disable_device(hc->pci_dev);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1096            
pci_set_drvdata(hc->pci_dev, NULL);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1097    }
af69fb3a8ffa37 Karsten Keil 2008-07-27  1098    if (debug & DEBUG_HFCMULTI_INIT)
af69fb3a8ffa37 Karsten Keil 2008-07-27  1099            printk(KERN_DEBUG "%s: 
done\n", __func__);
af69fb3a8ffa37 Karsten Keil 2008-07-27  1100  }
af69fb3a8ffa37 Karsten Keil 2008-07-27  1101  

:::::: The code at line 1092 was first introduced by commit
:::::: db9bb63a1b5b65df41d112a8c21adbbfc6a4ac08 mISDN: Add XHFC support for 
embedded Speech-Design board to hfcmulti

:::::: TO: Karsten Keil <k...@b1-systems.de>
:::::: CC: David S. Miller <da...@davemloft.net>

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

Attachment: .config.gz
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