tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   07a56bb875afbe39dabbf6ba7b83783d166863db
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to 
define address spaces
date:   4 weeks ago
config: arc-randconfig-s032-20200717 (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: v0.6.2-49-g707c5017-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/video/fbdev/aty/atyfb_base.c:3715:37: sparse: sparse: incorrect type 
>> in argument 1 (different address spaces) @@     expected void const 
>> [noderef] __iomem *addr @@     got unsigned char [usertype] *addr @@
>> drivers/video/fbdev/aty/atyfb_base.c:3715:37: sparse:     expected void 
>> const [noderef] __iomem *addr
   drivers/video/fbdev/aty/atyfb_base.c:3715:37: sparse:     got unsigned char 
[usertype] *addr
--
>> sound/pci/echoaudio/echoaudio.c:1824:21: sparse: sparse: incorrect type in 
>> argument 1 (different modifiers) @@     expected void const [noderef] 
>> __iomem *addr @@     got unsigned int volatile [noderef] [usertype] __iomem 
>> *dsp_registers @@
>> sound/pci/echoaudio/echoaudio.c:1824:21: sparse:     expected void const 
>> [noderef] __iomem *addr
   sound/pci/echoaudio/echoaudio.c:1824:21: sparse:     got unsigned int 
volatile [noderef] [usertype] __iomem *dsp_registers

vim +3715 drivers/video/fbdev/aty/atyfb_base.c

c98959f566e0c6 drivers/video/aty/atyfb_base.c       Ville Syrjala      
2006-12-08  3691  
48c68c4f1b5424 drivers/video/aty/atyfb_base.c       Greg Kroah-Hartman 
2012-12-21  3692  static void atyfb_remove(struct fb_info *info)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3693  {
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3694         struct atyfb_par *par = (struct atyfb_par *) info->par;
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3695  
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3696         /* restore video mode */
eafad22a05fdac drivers/video/aty/atyfb_base.c       Ville Syrjala      
2009-06-30  3697         aty_set_crtc(par, &par->saved_crtc);
eafad22a05fdac drivers/video/aty/atyfb_base.c       Ville Syrjala      
2009-06-30  3698         par->pll_ops->set_pll(info, &par->saved_pll);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3699  
37ce69a57ff217 drivers/video/aty/atyfb_base.c       Richard Purdie     
2007-02-10  3700         unregister_framebuffer(info);
37ce69a57ff217 drivers/video/aty/atyfb_base.c       Richard Purdie     
2007-02-10  3701  
5474c120aafe78 drivers/video/aty/atyfb_base.c       Michael Hanselmann 
2006-06-25  3702  #ifdef CONFIG_FB_ATY_BACKLIGHT
5474c120aafe78 drivers/video/aty/atyfb_base.c       Michael Hanselmann 
2006-06-25  3703         if (M64_HAS(MOBIL_BUS))
37ce69a57ff217 drivers/video/aty/atyfb_base.c       Richard Purdie     
2007-02-10  3704                 aty_bl_exit(info->bl_dev);
5474c120aafe78 drivers/video/aty/atyfb_base.c       Michael Hanselmann 
2006-06-25  3705  #endif
7d89a3cb159aec drivers/video/fbdev/aty/atyfb_base.c Luis R. Rodriguez  
2015-07-09  3706         arch_phys_wc_del(par->wc_cookie);
5474c120aafe78 drivers/video/aty/atyfb_base.c       Michael Hanselmann 
2006-06-25  3707  
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3708  #ifndef __sparc__
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3709         if (par->ati_regbase)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3710                 iounmap(par->ati_regbase);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3711         if (info->screen_base)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3712                 iounmap(info->screen_base);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3713  #ifdef __BIG_ENDIAN
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3714         if (info->sprite.addr)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16 @3715                 iounmap(info->sprite.addr);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3716  #endif
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3717  #endif
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3718  #ifdef __sparc__
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3719         kfree(par->mmap_map);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3720  #endif
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3721         if (par->aux_start)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3722                 release_mem_region(par->aux_start, 
par->aux_size);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3723  
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3724         if (par->res_start)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3725                 release_mem_region(par->res_start, 
par->res_size);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3726  
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3727         framebuffer_release(info);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3728  }
^1da177e4c3f41 drivers/video/aty/atyfb_base.c       Linus Torvalds     
2005-04-16  3729  

:::::: The code at line 3715 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torva...@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torva...@ppc970.osdl.org>

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

Attachment: .config.gz
Description: application/gzip

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