tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 0bafb8f3ebc84525d0ae0fcea22d12151b99312f commit: 285892a74f1370a12249f765c6a4e3b16194852e [6352/6993] remoteproc: Add Renesas rcar driver config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20211215/202112152049.uETYyKwB-lk...) compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0 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: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 285892a74f1370a12249f765c6a4e3b16194852e # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/remoteproc/ 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/remoteproc/rcar_rproc.c:28:12: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *va @@ got void [noderef] __iomem * @@ drivers/remoteproc/rcar_rproc.c:28:12: sparse: expected void *va drivers/remoteproc/rcar_rproc.c:28:12: sparse: got void [noderef] __iomem * drivers/remoteproc/rcar_rproc.c:45:20: sparse: expected void volatile [noderef] __iomem *iomem_cookie drivers/remoteproc/rcar_rproc.c:45:20: sparse: got void *va vim +45 drivers/remoteproc/rcar_rproc.c 20 21 static int rcar_rproc_mem_alloc(struct rproc *rproc, 22 struct rproc_mem_entry *mem) 23 { 24 struct device *dev = &rproc->dev; 25 void *va; 26 27 dev_dbg(dev, "map memory: %pa+%zx\n", &mem->dma, mem->len); 29 if (!va) { 30 dev_err(dev, "Unable to map memory region: %pa+%zx\n", 31 &mem->dma, mem->len); 32 return -ENOMEM; 33 } 34 35 /* Update memory entry va */ 36 mem->va = va; 37 38 return 0; 39 } 40 41 static int rcar_rproc_mem_release(struct rproc *rproc, 42 struct rproc_mem_entry *mem) 43 { 44 dev_dbg(&rproc->dev, "unmap memory: %pa\n", &mem->dma); 46 47 return 0; 48 } 49 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org