[kbuild-all] drivers/mtd/maps/physmap-versatile.c:116:17: 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: 06a4ec1d9dc652e17ee3ac2ceb6c7cf6c2b75cdd commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 9 weeks ago config: openrisc-randconfig-s031-20200818 (attached as .config) compiler: or1k-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: v0.6.2-180-g49f7e13a-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=openrisc 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/mtd/maps/physmap-versatile.c:116:17: sparse: expected void *addr drivers/mtd/maps/physmap-versatile.c: note: in included file (through arch/openrisc/include/asm/io.h, include/linux/io.h): include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] # 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 +116 drivers/mtd/maps/physmap-versatile.c b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 82 b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 83 static int ap_flash_init(struct platform_device *pdev) b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 84 { b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 85 struct device_node *ebi; ab8d531910e287 drivers/mtd/maps/physmap_of_versatile.c Julia Lawall 2017-07-15 86 void __iomem *ebi_base; b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 87 u32 val; b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 88 int ret; b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 89 b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 90 /* Look up the EBI */ b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 91 ebi = of_find_matching_node(NULL, ebi_match); b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 92 if (!ebi) { b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 93 return -ENODEV; b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 94 } b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 95 ebi_base = of_iomap(ebi, 0); b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 96 if (!ebi_base) b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 97 return -ENODEV; b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 98 b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 99 /* Clear VPP and write protection bits */ b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 100 ret = regmap_write(syscon_regmap, b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 101 INTEGRATOR_SC_CTRLC_OFFSET, b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 102 INTEGRATOR_SC_CTRL_FLVPPEN | INTEGRATOR_SC_CTRL_FLWP); b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 103 if (ret) b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 104 dev_err(&pdev->dev, "error clearing Integrator VPP/WP\n"); b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 105 b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 106 /* Unlock the EBI */ b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 107 writel(INTEGRATOR_EBI_LOCK_VAL, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET); b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 108 b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 109 /* Enable write cycles on the EBI, CSR1 (flash) */ b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 110 val = readl(ebi_base + INTEGRATOR_EBI_CSR1_OFFSET); b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 111 val |= INTEGRATOR_EBI_WRITE_ENABLE; b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 112 writel(val, ebi_base + INTEGRATOR_EBI_CSR1_OFFSET); b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 113 b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 114 /* Lock the EBI again */ b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 115 writel(0, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET); b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 @116 iounmap(ebi_base); b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 117 b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 118 return 0; b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 119 } b0afd44bc192ff drivers/mtd/maps/physmap_of_versatile.c Linus Walleij 2016-01-26 120 :::::: The code at line 116 was first introduced by commit :::::: b0afd44bc192ff4c0e90a5fc1724350bcfc32b33 mtd: physmap_of: add a hook for Versatile write protection :::::: TO: Linus Walleij <linus.walleij(a)linaro.org&gt; :::::: CC: Linus Walleij <linus.walleij(a)linaro.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org