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Tue, 30 Aug 2022 04:32:59 +0000 Date: Tue, 30 Aug 2022 12:32:32 +0800 From: kernel test robot To: Kefeng Wang Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Will Deacon , Christoph Hellwig , Arnd Bergmann , "Russell King (Oracle)" Subject: drivers/remoteproc/stm32_rproc.c:139:20: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202208301242.YC5114Ec-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: dcf8e5633e2e69ad60b730ab5905608b756a032f commit: d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee ARM: mm: kill unused runtime hook arch_iounmap() date: 9 weeks ago config: arm-randconfig-s031-20220829 (https://download.01.org/0day-ci/archive/20220830/202208301242.YC5114Ec-lkp@intel.com/config) compiler: arm-linux-gnueabi-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=d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee # 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=arm SHELL=/bin/bash drivers/remoteproc/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) drivers/remoteproc/stm32_rproc.c:122:12: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *va @@ got void [noderef] __iomem * @@ drivers/remoteproc/stm32_rproc.c:122:12: sparse: expected void *va drivers/remoteproc/stm32_rproc.c:122:12: sparse: got void [noderef] __iomem * >> drivers/remoteproc/stm32_rproc.c:139:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *io_addr @@ got void *va @@ drivers/remoteproc/stm32_rproc.c:139:20: sparse: expected void volatile [noderef] __iomem *io_addr drivers/remoteproc/stm32_rproc.c:139:20: sparse: got void *va drivers/remoteproc/stm32_rproc.c:632:17: sparse: sparse: cast removes address space '__iomem' of expression vim +139 drivers/remoteproc/stm32_rproc.c 13140de09cc2dd Fabien Dessenne 2019-05-14 134 13140de09cc2dd Fabien Dessenne 2019-05-14 135 static int stm32_rproc_mem_release(struct rproc *rproc, 13140de09cc2dd Fabien Dessenne 2019-05-14 136 struct rproc_mem_entry *mem) 13140de09cc2dd Fabien Dessenne 2019-05-14 137 { 13140de09cc2dd Fabien Dessenne 2019-05-14 138 dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma); 13140de09cc2dd Fabien Dessenne 2019-05-14 @139 iounmap(mem->va); 13140de09cc2dd Fabien Dessenne 2019-05-14 140 13140de09cc2dd Fabien Dessenne 2019-05-14 141 return 0; 13140de09cc2dd Fabien Dessenne 2019-05-14 142 } 13140de09cc2dd Fabien Dessenne 2019-05-14 143 :::::: The code at line 139 was first introduced by commit :::::: 13140de09cc2dd5e5166ad42292bb82af4e23cef remoteproc: stm32: add an ST stm32_rproc driver :::::: TO: Fabien Dessenne :::::: CC: Bjorn Andersson -- 0-DAY CI Kernel Test Service https://01.org/lkp