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Subjectdrivers/remoteproc/rcar_rproc.c:45:20: sparse: sparse: incorrect type in argument 1 (different address spaces)
tree: master
head: c5fe7a97f20c7f3070ac870144515c0fabc6b999
commit: 285892a74f1370a12249f765c6a4e3b16194852e remoteproc: Add Renesas rcar driver
date: 7 months ago
config: arc-randconfig-s043-20220717 (
compiler: arceb-elf-gcc (GCC) 12.1.0
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
git remote add linus
git fetch --no-tags linus master
git checkout 285892a74f1370a12249f765c6a4e3b16194852e
# 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=arc 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/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 const [noderef] __iomem *addr @@ got void *va @@
drivers/remoteproc/rcar_rproc.c:45:20: sparse: expected void const [noderef] __iomem *addr
drivers/remoteproc/rcar_rproc.c:45:20: sparse: got void *va

vim +45 drivers/remoteproc/rcar_rproc.c

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);
47 return 0;
48 }

0-DAY CI Kernel Test Service

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