[kbuild-all] drivers/video/fbdev/chipsfb.c:334:9: 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: 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 8 weeks ago config: powerpc64-randconfig-s032-20200817 (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=powerpc64 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/video/fbdev/chipsfb.c:334:9: sparse: expected void *s -- # 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 +334 drivers/video/fbdev/chipsfb.c ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 331 48c68c4f1b5424 drivers/video/chipsfb.c Greg Kroah-Hartman 2012-12-21 332 static void init_chips(struct fb_info *p, unsigned long addr) ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 333 { 8c8709334cec80 drivers/video/chipsfb.c Benjamin Herrenschmidt 2005-06-27 @334 memset(p->screen_base, 0, 0x100000); 8c8709334cec80 drivers/video/chipsfb.c Benjamin Herrenschmidt 2005-06-27 335 ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 336 p->fix = chipsfb_fix; ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 337 p->fix.smem_start = addr; ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 338 ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 339 p->var = chipsfb_var; ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 340 ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 341 p->fbops = &chipsfb_ops; ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 342 p->flags = FBINFO_DEFAULT; ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 343 ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 344 fb_alloc_cmap(&p->cmap, 256, 0); ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 345 ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 346 chips_hw_init(); ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 347 } ^1da177e4c3f41 drivers/video/chipsfb.c Linus Torvalds 2005-04-16 348 :::::: The code at line 334 was first introduced by commit :::::: 8c8709334cec803368a432a33e0f2e116d48fe07 [PATCH] ppc32: Remove CONFIG_PMAC_PBOOK :::::: TO: Benjamin Herrenschmidt <benh(a)kernel.crashing.org&gt; :::::: CC: Linus Torvalds <torvalds(a)ppc970.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org