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Date:   Sat, 8 Aug 2020 14:16:09 +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
Subject: drivers/video/fbdev/sstfb.c:337:23: 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:   049eb096da48db0421dd5e358b9b082a1a8a2025
commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces
date:   7 weeks ago
config: mips-randconfig-s032-20200808 (attached as .config)
compiler: mips64el-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: v0.6.2-118-ge1578773-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=mips 

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/sstfb.c:337:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *__s @@     got char [noderef] __iomem *screen_base @@
   drivers/video/fbdev/sstfb.c:337:23: sparse:     expected void *__s
   drivers/video/fbdev/sstfb.c:337:23: sparse:     got char [noderef] __iomem *screen_base
   drivers/video/fbdev/sstfb.c: note: in included file (through arch/mips/include/asm/mmiowb.h, include/linux/spinlock.h, include/linux/seqlock.h, ...):
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32
   arch/mips/include/asm/io.h:354:1: sparse: sparse: cast to restricted __le32

vim +337 drivers/video/fbdev/sstfb.c

^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16  330  
^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16  331  /*
^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16  332   * clear lfb screen
^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16  333   */
^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16  334  static void sstfb_clear_screen(struct fb_info *info)
^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16  335  {
^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16  336  	/* clear screen */
^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16 @337  	fb_memset(info->screen_base, 0, info->fix.smem_len);
^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16  338  }
^1da177e4c3f415 drivers/video/sstfb.c Linus Torvalds 2005-04-16  339  

:::::: The code at line 337 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

Download attachment ".config.gz" of type "application/gzip" (30909 bytes)

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