Messages in this thread | | | Date | Tue, 1 Feb 2022 00:21:21 +0800 | From | kernel test robot <> | Subject | drivers/remoteproc/rcar_rproc.c:28:12: sparse: sparse: incorrect type in assignment (different address spaces) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 26291c54e111ff6ba87a164d85d4a4e134b7315c commit: 285892a74f1370a12249f765c6a4e3b16194852e remoteproc: Add Renesas rcar driver date: 7 weeks ago config: ia64-randconfig-s032-20220130 (https://download.01.org/0day-ci/archive/20220201/202202010048.Xq8X0kfI-lkp@intel.com/config) compiler: ia64-linux-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/torvalds/linux.git/commit/?id=285892a74f1370a12249f765c6a4e3b16194852e git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus 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=ia64 SHELL=/bin/bash drivers/remoteproc/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
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: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void *va @@ drivers/remoteproc/rcar_rproc.c:45:20: sparse: expected void volatile [noderef] __iomem *addr drivers/remoteproc/rcar_rproc.c:45:20: sparse: got void *va
vim +28 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); > 28 va = ioremap_wc(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); > 45 iounmap(mem->va); 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
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