[kbuild-all] arch/powerpc/platforms/86xx/mpc8610_hpcd.c:295:23: sparse: sparse: incorrect type in assignment (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: powerpc-randconfig-s032-20200818 (attached as .config) compiler: powerpc-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=powerpc 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 >>) arch/powerpc/platforms/86xx/mpc8610_hpcd.c:295:23: sparse: expected unsigned char *pixis # 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 +295 arch/powerpc/platforms/86xx/mpc8610_hpcd.c 6f90a8bdd17e63f York Sun 2008-04-28 290 8c68e2f7885b22f Anton Vorontsov 2009-09-16 291 pixis_node = of_find_compatible_node(NULL, NULL, "fsl,fpga-pixis"); 8c68e2f7885b22f Anton Vorontsov 2009-09-16 292 if (pixis_node) { 8c68e2f7885b22f Anton Vorontsov 2009-09-16 293 of_address_to_resource(pixis_node, 0, &r); 8c68e2f7885b22f Anton Vorontsov 2009-09-16 294 of_node_put(pixis_node); 6f90a8bdd17e63f York Sun 2008-04-28 @295 pixis = ioremap(r.start, 32); 6f90a8bdd17e63f York Sun 2008-04-28 296 if (!pixis) { 6f90a8bdd17e63f York Sun 2008-04-28 297 printk(KERN_ERR "Err: can't map FPGA cfg register!\n"); 6f90a8bdd17e63f York Sun 2008-04-28 298 return; 6f90a8bdd17e63f York Sun 2008-04-28 299 } 6f90a8bdd17e63f York Sun 2008-04-28 300 pixis_bdcfg0 = pixis + 8; 6f90a8bdd17e63f York Sun 2008-04-28 301 pixis_arch = pixis + 1; 6f90a8bdd17e63f York Sun 2008-04-28 302 } else 6f90a8bdd17e63f York Sun 2008-04-28 303 printk(KERN_ERR "Err: " 6f90a8bdd17e63f York Sun 2008-04-28 304 "can't find device node 'fsl,fpga-pixis'\n"); 0e65bfe34c10005 Xianghua Xiao 2007-10-03 305 0e65bfe34c10005 Xianghua Xiao 2007-10-03 306 printk("MPC86xx HPCD board from Freescale Semiconductor\n"); 0e65bfe34c10005 Xianghua Xiao 2007-10-03 307 } 0e65bfe34c10005 Xianghua Xiao 2007-10-03 308 :::::: The code at line 295 was first introduced by commit :::::: 6f90a8bdd17e63fb27b4f6d50e8a2919704ea254 powerpc: Add DIU platform code for MPC8610HPCD :::::: TO: York Sun <yorksun(a)freescale.com&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org