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Message-ID: <202008111210.ECa2dKCs%lkp@intel.com>
Date:   Tue, 11 Aug 2020 12:16:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Luc Van Oostenryck <luc.vanoostenryck@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: drivers/video/fbdev/kyro/fbdev.c:725:23: 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:   00e4db51259a5f936fec1424b884f029479d3981
commit: 80591e61a0f7e88deaada69844e4a31280c4a38f kbuild: tell sparse about the $ARCH
date:   9 months ago
config: s390-randconfig-s031-20200810 (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.2-141-g19506bc2-dirty
        git checkout 80591e61a0f7e88deaada69844e4a31280c4a38f
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=s390 

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/video/fbdev/kyro/fbdev.c:725:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *s @@     got char [noderef] <asn:2> *screen_base @@
>> drivers/video/fbdev/kyro/fbdev.c:725:23: sparse:     expected void *s
   drivers/video/fbdev/kyro/fbdev.c:725:23: sparse:     got char [noderef] <asn:2> *screen_base

vim +725 drivers/video/fbdev/kyro/fbdev.c

^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  661  
48c68c4f1b5424 drivers/video/kyro/fbdev.c       Greg Kroah-Hartman 2012-12-21  662  static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  663  {
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  664  	struct fb_info *info;
a26968df0110bc drivers/video/kyro/fbdev.c       Antonino A. Daplas 2006-01-09  665  	struct kyrofb_info *currentpar;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  666  	unsigned long size;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  667  	int err;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  668  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  669  	if ((err = pci_enable_device(pdev))) {
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  670  		printk(KERN_WARNING "kyrofb: Can't enable pdev: %d\n", err);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  671  		return err;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  672  	}
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  673  
a26968df0110bc drivers/video/kyro/fbdev.c       Antonino A. Daplas 2006-01-09  674  	info = framebuffer_alloc(sizeof(struct kyrofb_info), &pdev->dev);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  675  	if (!info)
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  676  		return -ENOMEM;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  677  
a26968df0110bc drivers/video/kyro/fbdev.c       Antonino A. Daplas 2006-01-09  678  	currentpar = info->par;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  679  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  680  	kyro_fix.smem_start = pci_resource_start(pdev, 0);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  681  	kyro_fix.smem_len   = pci_resource_len(pdev, 0);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  682  	kyro_fix.mmio_start = pci_resource_start(pdev, 1);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  683  	kyro_fix.mmio_len   = pci_resource_len(pdev, 1);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  684  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  685  	currentpar->regbase = deviceInfo.pSTGReg =
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  686  		ioremap_nocache(kyro_fix.mmio_start, kyro_fix.mmio_len);
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  687  	if (!currentpar->regbase)
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  688  		goto out_free_fb;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  689  
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  690  	info->screen_base = pci_ioremap_wc_bar(pdev, 0);
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  691  	if (!info->screen_base)
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  692  		goto out_unmap_regs;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  693  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  694  	if (!nomtrr)
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  695  		currentpar->wc_cookie = arch_phys_wc_add(kyro_fix.smem_start,
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  696  							 kyro_fix.smem_len);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  697  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  698  	kyro_fix.ypanstep	= nopan ? 0 : 1;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  699  	kyro_fix.ywrapstep	= nowrap ? 0 : 1;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  700  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  701  	info->fbops		= &kyrofb_ops;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  702  	info->fix		= kyro_fix;
a26968df0110bc drivers/video/kyro/fbdev.c       Antonino A. Daplas 2006-01-09  703  	info->pseudo_palette	= currentpar->palette;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  704  	info->flags		= FBINFO_DEFAULT;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  705  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  706  	SetCoreClockPLL(deviceInfo.pSTGReg, pdev);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  707  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  708  	deviceInfo.ulNextFreeVidMem = 0;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  709  	deviceInfo.ulOverlayOffset = 0;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  710  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  711  	/* This should give a reasonable default video mode */
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  712  	if (!fb_find_mode(&info->var, info, mode_option, kyro_modedb,
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  713  			  NUM_TOTAL_MODES, &kyro_modedb[VMODE_1024_768_75], 32))
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  714  		info->var = kyro_var;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  715  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  716  	fb_alloc_cmap(&info->cmap, 256, 0);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  717  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  718  	kyrofb_set_par(info);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  719  	kyrofb_check_var(&info->var, info);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  720  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  721  	size = get_line_length(info->var.xres_virtual,
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  722  			       info->var.bits_per_pixel);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  723  	size *= info->var.yres_virtual;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  724  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16 @725  	fb_memset(info->screen_base, 0, size);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  726  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  727  	if (register_framebuffer(info) < 0)
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  728  		goto out_unmap;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  729  
31b6780c15a4e3 drivers/video/kyro/fbdev.c       Joe Perches        2013-09-19  730  	fb_info(info, "%s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n",
31b6780c15a4e3 drivers/video/kyro/fbdev.c       Joe Perches        2013-09-19  731  		info->fix.id,
31b6780c15a4e3 drivers/video/kyro/fbdev.c       Joe Perches        2013-09-19  732  		info->var.xres, info->var.yres, info->var.bits_per_pixel,
31b6780c15a4e3 drivers/video/kyro/fbdev.c       Joe Perches        2013-09-19  733  		size >> 10, (unsigned long)info->fix.smem_len >> 10);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  734  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  735  	pci_set_drvdata(pdev, info);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  736  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  737  	return 0;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  738  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  739  out_unmap:
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  740  	iounmap(info->screen_base);
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  741  out_unmap_regs:
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  742  	iounmap(currentpar->regbase);
9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c Luis R. Rodriguez  2015-08-24  743  out_free_fb:
a26968df0110bc drivers/video/kyro/fbdev.c       Antonino A. Daplas 2006-01-09  744  	framebuffer_release(info);
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  745  
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  746  	return -EINVAL;
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  747  }
^1da177e4c3f41 drivers/video/kyro/fbdev.c       Linus Torvalds     2005-04-16  748  

:::::: The code at line 725 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, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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