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Message-ID: <202210241522.HJQSVA9L-lkp@intel.com>
Date: Mon, 24 Oct 2022 15:36:18 +0800
From: kernel test robot <lkp@...el.com>
To: Kefeng Wang <wangkefeng.wang@...wei.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Will Deacon <will@...nel.org>, Christoph Hellwig <hch@....de>,
Arnd Bergmann <arnd@...db.de>,
"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Subject: drivers/video/fbdev/aty/atyfb_base.c:3741:37: 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: 247f34f7b80357943234f93f247a1ae6b6c3a740
commit: d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee ARM: mm: kill unused runtime hook arch_iounmap()
date: 4 months ago
config: arm-randconfig-s043-20221024
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/video/fbdev/aty/
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/video/fbdev/aty/atyfb_base.c:479:9: sparse: sparse: switch with no cases
>> drivers/video/fbdev/aty/atyfb_base.c:3741:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got unsigned char [usertype] *addr @@
drivers/video/fbdev/aty/atyfb_base.c:3741:37: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/video/fbdev/aty/atyfb_base.c:3741:37: sparse: got unsigned char [usertype] *addr
vim +3741 drivers/video/fbdev/aty/atyfb_base.c
c98959f566e0c6 drivers/video/aty/atyfb_base.c Ville Syrjala 2006-12-08 3717
48c68c4f1b5424 drivers/video/aty/atyfb_base.c Greg Kroah-Hartman 2012-12-21 3718 static void atyfb_remove(struct fb_info *info)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3719 {
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3720 struct atyfb_par *par = (struct atyfb_par *) info->par;
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3721
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3722 /* restore video mode */
eafad22a05fdac drivers/video/aty/atyfb_base.c Ville Syrjala 2009-06-30 3723 aty_set_crtc(par, &par->saved_crtc);
eafad22a05fdac drivers/video/aty/atyfb_base.c Ville Syrjala 2009-06-30 3724 par->pll_ops->set_pll(info, &par->saved_pll);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3725
37ce69a57ff217 drivers/video/aty/atyfb_base.c Richard Purdie 2007-02-10 3726 unregister_framebuffer(info);
37ce69a57ff217 drivers/video/aty/atyfb_base.c Richard Purdie 2007-02-10 3727
5474c120aafe78 drivers/video/aty/atyfb_base.c Michael Hanselmann 2006-06-25 3728 #ifdef CONFIG_FB_ATY_BACKLIGHT
5474c120aafe78 drivers/video/aty/atyfb_base.c Michael Hanselmann 2006-06-25 3729 if (M64_HAS(MOBIL_BUS))
37ce69a57ff217 drivers/video/aty/atyfb_base.c Richard Purdie 2007-02-10 3730 aty_bl_exit(info->bl_dev);
5474c120aafe78 drivers/video/aty/atyfb_base.c Michael Hanselmann 2006-06-25 3731 #endif
7d89a3cb159aec drivers/video/fbdev/aty/atyfb_base.c Luis R. Rodriguez 2015-07-09 3732 arch_phys_wc_del(par->wc_cookie);
5474c120aafe78 drivers/video/aty/atyfb_base.c Michael Hanselmann 2006-06-25 3733
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3734 #ifndef __sparc__
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3735 if (par->ati_regbase)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3736 iounmap(par->ati_regbase);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3737 if (info->screen_base)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3738 iounmap(info->screen_base);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3739 #ifdef __BIG_ENDIAN
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3740 if (info->sprite.addr)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 @3741 iounmap(info->sprite.addr);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3742 #endif
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3743 #endif
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3744 #ifdef __sparc__
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3745 kfree(par->mmap_map);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3746 #endif
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3747 if (par->aux_start)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3748 release_mem_region(par->aux_start, par->aux_size);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3749
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3750 if (par->res_start)
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3751 release_mem_region(par->res_start, par->res_size);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3752
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3753 framebuffer_release(info);
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3754 }
^1da177e4c3f41 drivers/video/aty/atyfb_base.c Linus Torvalds 2005-04-16 3755
:::::: The code at line 3741 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://01.org/lkp
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