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Wed, 29 Mar 2023 15:30:58 +0000 Date: Wed, 29 Mar 2023 23:30:25 +0800 From: kernel test robot To: Tanmay Shah Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Mathieu Poirier , Ben Levinsky Subject: drivers/remoteproc/xlnx_r5_remoteproc.c:209:20: sparse: sparse: cast removes address space '__iomem' of expression Message-ID: <202303292303.uvUY24KO-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fcd476ea6a888ef6e6627f4c21a2ea8cca3e9312 commit: 6b291e8020a8bd90e94ee13d61f251040425c90d drivers: remoteproc: Add Xilinx r5 remoteproc driver date: 4 months ago config: arm64-randconfig-s043-20230329 (https://download.01.org/0day-ci/archive/20230329/202303292303.uvUY24KO-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 12.1.0 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: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6b291e8020a8bd90e94ee13d61f251040425c90d git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6b291e8020a8bd90e94ee13d61f251040425c90d # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/remoteproc/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202303292303.uvUY24KO-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/remoteproc/xlnx_r5_remoteproc.c:209:20: sparse: sparse: cast removes address space '__iomem' of expression drivers/remoteproc/xlnx_r5_remoteproc.c:315:20: sparse: sparse: cast removes address space '__iomem' of expression vim +/__iomem +209 drivers/remoteproc/xlnx_r5_remoteproc.c 190 191 /* 192 * zynqmp_r5_mem_region_map() 193 * @rproc: single R5 core's corresponding rproc instance 194 * @mem: mem descriptor to map reserved memory-regions 195 * 196 * Callback to map va for memory-region's carveout. 197 * 198 * return 0 on success, otherwise non-zero value on failure 199 */ 200 static int zynqmp_r5_mem_region_map(struct rproc *rproc, 201 struct rproc_mem_entry *mem) 202 { 203 void __iomem *va; 204 205 va = ioremap_wc(mem->dma, mem->len); 206 if (IS_ERR_OR_NULL(va)) 207 return -ENOMEM; 208 > 209 mem->va = (void *)va; 210 211 return 0; 212 } 213 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests