drivers/remoteproc/imx_dsp_rproc.c:668:20: sparse: sparse: incorrect type in argument 1 (different address spaces)

drivers/remoteproc/imx_dsp_rproc.c:668:20: sparse: sparse: incorrect type in argument 1 (different address spaces)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0e4f8f1a3d081e834be5fd0a62bdb2554fadd307
commit: a84a1e21c0678032f1185173f816cbb500a87877 remoteproc: imx_dsp_rproc: Fix multiple start/stop operations
date:   3 months ago
config: arm-randconfig-r111-20260320 (https://download.01.org/0day-ci/archive/20260321/202603210118.PhZohwTv-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.4.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260321/202603210118.PhZohwTv-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603210118.PhZohwTv-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/remoteproc/imx_dsp_rproc.c:653:12: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *va @@     got void [noderef] __iomem * @@
   drivers/remoteproc/imx_dsp_rproc.c:653:12: sparse:     expected void *va
   drivers/remoteproc/imx_dsp_rproc.c:653:12: sparse:     got void [noderef] __iomem *
>> drivers/remoteproc/imx_dsp_rproc.c:668:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem *io_addr @@     got void *va @@
   drivers/remoteproc/imx_dsp_rproc.c:668:20: sparse:     expected void volatile [noderef] __iomem *io_addr
   drivers/remoteproc/imx_dsp_rproc.c:668:20: sparse:     got void *va

vim +668 drivers/remoteproc/imx_dsp_rproc.c

   664	
   665	static int imx_dsp_rproc_mem_release(struct rproc *rproc,
   666					     struct rproc_mem_entry *mem)
   667	{
 > 668		iounmap(mem->va);
   669	
   670		return 0;
   671	}
   672	

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