tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7eac66d0456fe12a462e5c14c68e97c7460989da commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 9 weeks ago config: riscv-randconfig-s032-20200820 (attached as .config) compiler: riscv32-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: v0.6.2-191-g10164920-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=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/media/pci/dm1105/dm1105.c:386:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:386:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:396:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:396:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:396:17: sparse: expected void const volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:396:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:396:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:396:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:396:17: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:396:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:406:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:406:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:406:17: sparse: expected void const volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:406:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:406:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:406:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:406:17: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:406:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:416:24: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:416:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:416:24: sparse: expected void const volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:416:24: sparse: got void * drivers/media/pci/dm1105/dm1105.c:427:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:427:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:427:17: sparse: expected void const volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:427:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:427:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:427:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:427:17: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:427:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:429:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:429:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:429:17: sparse: expected void const volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:429:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:429:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:429:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:429:17: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:429:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:483:17: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:483:17: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:483:17: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:483:17: sparse: got void * drivers/media/pci/dm1105/dm1105.c:488:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:488:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:488:25: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:488:25: sparse: got void * drivers/media/pci/dm1105/dm1105.c:490:33: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:490:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:490:33: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:490:33: sparse: got void * drivers/media/pci/dm1105/dm1105.c:492:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:492:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:492:25: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:492:25: sparse: got void * drivers/media/pci/dm1105/dm1105.c:495:42: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:495:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:495:42: sparse: expected void const volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:495:42: sparse: got void * drivers/media/pci/dm1105/dm1105.c:503:38: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:503:38: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:503:38: sparse: expected void const volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:503:38: sparse: got void * drivers/media/pci/dm1105/dm1105.c:514:33: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:514:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:514:33: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:514:33: sparse: got void * drivers/media/pci/dm1105/dm1105.c:515:33: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:515:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:515:33: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:515:33: sparse: got void * drivers/media/pci/dm1105/dm1105.c:518:41: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:518:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:518:41: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:518:41: sparse: got void * drivers/media/pci/dm1105/dm1105.c:520:33: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:520:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:520:33: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:520:33: sparse: got void * drivers/media/pci/dm1105/dm1105.c:523:50: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:523:50: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:523:50: sparse: expected void const volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:523:50: sparse: got void * drivers/media/pci/dm1105/dm1105.c:536:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:536:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:536:25: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:536:25: sparse: got void * drivers/media/pci/dm1105/dm1105.c:539:33: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:539:33: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:539:33: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:539:33: sparse: got void * drivers/media/pci/dm1105/dm1105.c:541:25: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:541:25: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:541:25: sparse: expected void volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:541:25: sparse: got void * drivers/media/pci/dm1105/dm1105.c:544:42: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:544:42: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:544:42: sparse: expected void const volatile [noderef] __iomem *addr drivers/media/pci/dm1105/dm1105.c:544:42: sparse: got void * drivers/media/pci/dm1105/dm1105.c:602:9: sparse: sparse: cast removes address space '__iomem' of expression drivers/media/pci/dm1105/dm1105.c:602:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@ drivers/media/pci/dm1105/dm1105.c:602:9: sparse: expected void volatile [noderef] __iomem *addr # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 670d0a4b10704667765f7d18f7592993d02783aa vim +/__iomem +386 drivers/media/pci/dm1105/dm1105.c 5eb3291fe84b30a drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2010-01-17 375 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 376 /* The chip has 18 GPIOs. In HOST mode GPIO's used as 15 bit address lines, 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 377 so we can use only 3 GPIO's from GPIO15 to GPIO17. 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 378 Here I don't check whether HOST is enebled as it is not implemented yet. 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 379 */ 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 380 static void dm1105_gpio_set(struct dm1105_dev *dev, u32 mask) 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 381 { 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 382 if (mask & 0xfffc0000) 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 383 printk(KERN_ERR "%s: Only 18 GPIO's are allowed\n", __func__); 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 384 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 385 if (mask & 0x0003ffff) 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 @386 dm_setl(DM1105_GPIOVAL, mask & 0x0003ffff); 0017505de0d2888 drivers/media/dvb/dm1105/dm1105.c Igor M. Liplianin 2011-05-05 387 :::::: The code at line 386 was first introduced by commit :::::: 0017505de0d2888f57a9f84e8eb3963b3cd28baf [media] dm1105: GPIO handling added, I2C on GPIO added, LNB control through GPIO reworked :::::: TO: Igor M. Liplianin <liplianin(a)me.by&gt; :::::: CC: Mauro Carvalho Chehab <mchehab(a)redhat.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org