tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0fa8ee0d9ab95c9350b8b84574824d9a384a9f7d commit: 8f28ca6bd8211214faf717677bbffe375c2a6072 iomap: constify ioreadX() iomem argument (as in generic implementation) date: 3 months ago config: ia64-randconfig-s031-20201118 (attached as .config) compiler: ia64-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: v0.6.3-107-gaf3512a6-dirty # 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 8f28ca6bd8211214faf717677bbffe375c2a6072 # 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=ia64 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/net/ethernet/renesas/sh_eth.c:885:37: sparse: got void * drivers/net/ethernet/renesas/sh_eth.c:886:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem * @@ got void * @@ drivers/net/ethernet/renesas/sh_eth.c:886:37: sparse: expected void const [noderef] __iomem * drivers/net/ethernet/renesas/sh_eth.c:886:37: sparse: got void * drivers/net/ethernet/renesas/sh_eth.c:893:37: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got void * @@ drivers/net/ethernet/renesas/sh_eth.c:893:37: sparse: expected void [noderef] __iomem * drivers/net/ethernet/renesas/sh_eth.c:893:37: sparse: got void * drivers/net/ethernet/renesas/sh_eth.c:894:37: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got void * @@ drivers/net/ethernet/renesas/sh_eth.c:894:37: sparse: expected void [noderef] __iomem * drivers/net/ethernet/renesas/sh_eth.c:894:37: sparse: got void * drivers/net/ethernet/renesas/sh_eth.c:1167:31: sparse: expected void const [noderef] __iomem * drivers/net/ethernet/renesas/sh_eth.c:1167:31: sparse: got void *addr drivers/net/ethernet/renesas/sh_eth.c:1172:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got void *addr @@ drivers/net/ethernet/renesas/sh_eth.c:1172:31: sparse: expected void [noderef] __iomem * drivers/net/ethernet/renesas/sh_eth.c:1172:31: sparse: got void *addr drivers/net/ethernet/renesas/sh_eth.c:1195:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem * @@ got void *addr @@ drivers/net/ethernet/renesas/sh_eth.c:1195:33: sparse: expected void const [noderef] __iomem * drivers/net/ethernet/renesas/sh_eth.c:1195:33: sparse: got void *addr drivers/net/ethernet/renesas/sh_eth.c:1225:43: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/renesas/sh_eth.c:1230:17: sparse: sparse: cast to restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1235:25: sparse: sparse: cast to restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1235:25: sparse: sparse: cast to restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1243:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] status @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:1243:32: sparse: expected unsigned int [usertype] status drivers/net/ethernet/renesas/sh_eth.c:1243:32: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:1245:40: sparse: sparse: invalid assignment: |= drivers/net/ethernet/renesas/sh_eth.c:1245:40: sparse: left side has type unsigned int drivers/net/ethernet/renesas/sh_eth.c:1245:40: sparse: right side has type restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1249:49: sparse: sparse: cast to restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1266:33: sparse: sparse: cast to restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1342:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] len @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:1342:29: sparse: expected unsigned int [usertype] len drivers/net/ethernet/renesas/sh_eth.c:1342:29: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:1343:30: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addr @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:1343:30: sparse: expected unsigned int [usertype] addr drivers/net/ethernet/renesas/sh_eth.c:1343:30: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:1344:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] status @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:1344:32: sparse: expected unsigned int [usertype] status drivers/net/ethernet/renesas/sh_eth.c:1344:32: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:1358:32: sparse: sparse: invalid assignment: |= drivers/net/ethernet/renesas/sh_eth.c:1358:32: sparse: left side has type unsigned int drivers/net/ethernet/renesas/sh_eth.c:1358:32: sparse: right side has type restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1366:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] status @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:1366:32: sparse: expected unsigned int [usertype] status drivers/net/ethernet/renesas/sh_eth.c:1366:32: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:1367:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] len @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:1367:29: sparse: expected unsigned int [usertype] len drivers/net/ethernet/renesas/sh_eth.c:1367:29: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:1376:24: sparse: sparse: invalid assignment: |= drivers/net/ethernet/renesas/sh_eth.c:1376:24: sparse: left side has type unsigned int drivers/net/ethernet/renesas/sh_eth.c:1376:24: sparse: right side has type restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1528:40: sparse: sparse: invalid assignment: &= drivers/net/ethernet/renesas/sh_eth.c:1528:40: sparse: left side has type unsigned int drivers/net/ethernet/renesas/sh_eth.c:1528:40: sparse: right side has type restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1585:35: sparse: sparse: restricted __le32 degrades to integer drivers/net/ethernet/renesas/sh_eth.c:1588:31: sparse: sparse: cast to restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1589:27: sparse: sparse: cast to restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1627:36: sparse: sparse: cast to restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1658:29: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] len @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:1658:29: sparse: expected unsigned int [usertype] len drivers/net/ethernet/renesas/sh_eth.c:1658:29: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:1674:38: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addr @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:1674:38: sparse: expected unsigned int [usertype] addr drivers/net/ethernet/renesas/sh_eth.c:1674:38: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:1678:40: sparse: sparse: invalid assignment: |= drivers/net/ethernet/renesas/sh_eth.c:1678:40: sparse: left side has type unsigned int drivers/net/ethernet/renesas/sh_eth.c:1678:40: sparse: right side has type restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:1681:40: sparse: sparse: invalid assignment: |= drivers/net/ethernet/renesas/sh_eth.c:1681:40: sparse: left side has type unsigned int drivers/net/ethernet/renesas/sh_eth.c:1681:40: sparse: right side has type restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:2458:32: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] status @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:2458:32: sparse: expected unsigned int [usertype] status drivers/net/ethernet/renesas/sh_eth.c:2458:32: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:2459:30: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addr @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:2459:30: sparse: expected unsigned int [usertype] addr drivers/net/ethernet/renesas/sh_eth.c:2459:30: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:2510:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] addr @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:2510:22: sparse: expected unsigned int [usertype] addr drivers/net/ethernet/renesas/sh_eth.c:2510:22: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:2511:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] len @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/renesas/sh_eth.c:2511:22: sparse: expected unsigned int [usertype] len drivers/net/ethernet/renesas/sh_eth.c:2511:22: sparse: got restricted __le32 [usertype] drivers/net/ethernet/renesas/sh_eth.c:2515:32: sparse: sparse: invalid assignment: |= drivers/net/ethernet/renesas/sh_eth.c:2515:32: sparse: left side has type unsigned int drivers/net/ethernet/renesas/sh_eth.c:2515:32: sparse: right side has type restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:2517:32: sparse: sparse: invalid assignment: |= drivers/net/ethernet/renesas/sh_eth.c:2517:32: sparse: left side has type unsigned int drivers/net/ethernet/renesas/sh_eth.c:2517:32: sparse: right side has type restricted __le32 drivers/net/ethernet/renesas/sh_eth.c:3042:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *addr @@ got void [noderef] __iomem * @@ drivers/net/ethernet/renesas/sh_eth.c:3042:23: sparse: expected void *addr drivers/net/ethernet/renesas/sh_eth.c:3042:23: sparse: got void [noderef] __iomem * vim +885 drivers/net/ethernet/renesas/sh_eth.c 65ac8851490ec97 drivers/net/sh_eth.c Yoshihiro Shimoda 2009-05-24 874 e403d295817cf9f drivers/net/ethernet/renesas/sh_eth.c David S. Miller 2013-06-07 875 #define SH_GIGA_ETH_BASE 0xfee00000UL 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 876 #define GIGA_MALR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c8) 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 877 #define GIGA_MAHR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c0) 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 878 static void sh_eth_chip_reset_giga(struct net_device *ndev) 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 879 { 0799c2d6f42db2b drivers/net/ethernet/renesas/sh_eth.c Geert Uytterhoeven 2015-01-15 880 u32 mahr[2], malr[2]; 7927092253da598 drivers/net/ethernet/renesas/sh_eth.c Sergei Shtylyov 2016-05-08 881 int i; 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 882 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 883 /* save MAHR and MALR */ 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 884 for (i = 0; i < 2; i++) { ae70644df780c0e drivers/net/ethernet/renesas/sh_eth.c Yoshihiro Shimoda 2011-09-27 @885 malr[i] = ioread32((void *)GIGA_MALR(i)); ae70644df780c0e drivers/net/ethernet/renesas/sh_eth.c Yoshihiro Shimoda 2011-09-27 886 mahr[i] = ioread32((void *)GIGA_MAHR(i)); 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 887 } 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 888 c66b2581123cd15 drivers/net/ethernet/renesas/sh_eth.c Sergei Shtylyov 2016-05-07 889 sh_eth_chip_reset(ndev); 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 890 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 891 /* restore MAHR and MALR */ 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 892 for (i = 0; i < 2; i++) { ae70644df780c0e drivers/net/ethernet/renesas/sh_eth.c Yoshihiro Shimoda 2011-09-27 893 iowrite32(malr[i], (void *)GIGA_MALR(i)); ae70644df780c0e drivers/net/ethernet/renesas/sh_eth.c Yoshihiro Shimoda 2011-09-27 894 iowrite32(mahr[i], (void *)GIGA_MAHR(i)); 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 895 } 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 896 } 8fcd496151b4354 drivers/net/sh_eth.c Yoshihiro Shimoda 2011-03-07 897 :::::: The code at line 885 was first introduced by commit :::::: ae70644df780c0e87f1705fda932e7cb1bdb2074 net: sh_eth: use ioremap() :::::: TO: Yoshihiro Shimoda <yoshihiro.shimoda.uh(a)renesas.com&gt; :::::: CC: David S. Miller <davem(a)davemloft.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org