From: kernel test robot <lkp@intel.com>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Will Deacon <will@kernel.org>, Christoph Hellwig <hch@lst.de>,
Arnd Bergmann <arnd@arndb.de>,
"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Subject: drivers/video/fbdev/imsttfb.c:1548:20: sparse: sparse: incorrect type in argument 1 (different address spaces)
Date: Sun, 28 Aug 2022 13:33:35 +0800 [thread overview]
Message-ID: <202208281326.rCI2rkGl-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 10d4879f9ef01cc6190fafe4257d06f375bab92c
commit: d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee ARM: mm: kill unused runtime hook arch_iounmap()
date: 9 weeks ago
config: arm-randconfig-s031-20220828 (https://download.01.org/0day-ci/archive/20220828/202208281326.rCI2rkGl-lkp@intel.com/config)
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/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
drivers/video/fbdev/imsttfb.c:1513:30: sparse: sparse: cast removes address space '__iomem' of expression
drivers/video/fbdev/imsttfb.c:1513:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] __iomem *screen_base @@ got unsigned char [usertype] * @@
drivers/video/fbdev/imsttfb.c:1513:27: sparse: expected char [noderef] __iomem *screen_base
drivers/video/fbdev/imsttfb.c:1513:27: sparse: got unsigned char [usertype] *
drivers/video/fbdev/imsttfb.c:1522:27: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/video/fbdev/imsttfb.c:1548:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got unsigned char [usertype] *cmap_regs @@
drivers/video/fbdev/imsttfb.c:1548:20: sparse: expected void volatile [noderef] __iomem *io_addr
drivers/video/fbdev/imsttfb.c:1548:20: sparse: got unsigned char [usertype] *cmap_regs
drivers/video/fbdev/imsttfb.c:1360:15: sparse: sparse: cast removes address space '__iomem' of expression
drivers/video/fbdev/imsttfb.c:1361:16: sparse: sparse: cast removes address space '__iomem' of expression
vim +1548 drivers/video/fbdev/imsttfb.c
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1540
48c68c4f1b5424 drivers/video/imsttfb.c Greg Kroah-Hartman 2012-12-21 1541 static void imsttfb_remove(struct pci_dev *pdev)
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1542 {
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1543 struct fb_info *info = pci_get_drvdata(pdev);
94f9e09ce531d4 drivers/video/imsttfb.c Antonino A. Daplas 2006-01-09 1544 struct imstt_par *par = info->par;
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1545 int size = pci_resource_len(pdev, 0);
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1546
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1547 unregister_framebuffer(info);
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 @1548 iounmap(par->cmap_regs);
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1549 iounmap(par->dc_regs);
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1550 iounmap(info->screen_base);
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1551 release_mem_region(info->fix.smem_start, size);
94f9e09ce531d4 drivers/video/imsttfb.c Antonino A. Daplas 2006-01-09 1552 framebuffer_release(info);
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1553 }
^1da177e4c3f41 drivers/video/imsttfb.c Linus Torvalds 2005-04-16 1554
:::::: The code at line 1548 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
reply other threads:[~2022-08-28 5:34 UTC|newest]
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