drivers/remoteproc/rcar_rproc.c:45:20: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Thu Dec 14 2023 - 02:36:39 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5bd7ef53ffe5ca580e93e74eb8c81ed191ddc4bd
commit: 285892a74f1370a12249f765c6a4e3b16194852e remoteproc: Add Renesas rcar driver
date: 2 years ago
config: mips-randconfig-r122-20231108 (https://download.01.org/0day-ci/archive/20231214/202312141514.1LX4xpRG-lkp@xxxxxxxxx/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231214/202312141514.1LX4xpRG-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312141514.1LX4xpRG-lkp@xxxxxxxxx/

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 volatile [noderef] __iomem *addr @@ got void *va @@
drivers/remoteproc/rcar_rproc.c:45:20: sparse: expected void const volatile [noderef] __iomem *addr
drivers/remoteproc/rcar_rproc.c:45:20: sparse: got void *va

vim +45 drivers/remoteproc/rcar_rproc.c

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

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