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Sun, 28 Aug 2022 05:34:34 +0000 Date: Sun, 28 Aug 2022 13:33:35 +0800 From: kernel test robot To: Kefeng Wang Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Will Deacon , Christoph Hellwig , Arnd Bergmann , "Russell King (Oracle)" Subject: drivers/video/fbdev/imsttfb.c:1548:20: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202208281326.rCI2rkGl-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 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 :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp