drivers/scsi/megaraid.c:4470:26: 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:   521a547ced6477c54b4b0cc206000406c221b4d6
commit: d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee ARM: mm: kill unused runtime hook arch_iounmap()
date:   3 months ago
config: arm-randconfig-s042-20220919 (https://download.01.org/0day-ci/archive/20220920/202209200047.cnJE8pPV-lkp@xxxxxxxxx/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 arch/arm/mach-omap2/ drivers/scsi/ kernel/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

sparse warnings: (new ones prefixed by >>)
>> drivers/scsi/megaraid.c:4470:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem *io_addr @@     got void * @@
   drivers/scsi/megaraid.c:4470:26: sparse:     expected void volatile [noderef] __iomem *io_addr
   drivers/scsi/megaraid.c:4470:26: sparse:     got void *
   drivers/scsi/megaraid.c:4529:26: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem *io_addr @@     got void * @@
   drivers/scsi/megaraid.c:4529:26: sparse:     expected void volatile [noderef] __iomem *io_addr
   drivers/scsi/megaraid.c:4529:26: sparse:     got void *

vim +4470 drivers/scsi/megaraid.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  4443  
^1da177e4c3f41 Linus Torvalds 2005-04-16  4444  	pci_set_drvdata(pdev, host);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4445  
^1da177e4c3f41 Linus Torvalds 2005-04-16  4446  	mega_create_proc_entry(hba_count, mega_proc_dir_entry);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4447  
^1da177e4c3f41 Linus Torvalds 2005-04-16  4448  	error = scsi_add_host(host, &pdev->dev);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4449  	if (error)
^1da177e4c3f41 Linus Torvalds 2005-04-16  4450  		goto out_free_mbox;
^1da177e4c3f41 Linus Torvalds 2005-04-16  4451  
^1da177e4c3f41 Linus Torvalds 2005-04-16  4452  	scsi_scan_host(host);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4453  	hba_count++;
^1da177e4c3f41 Linus Torvalds 2005-04-16  4454  	return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16  4455  
^1da177e4c3f41 Linus Torvalds 2005-04-16  4456   out_free_mbox:
ec090ef8cd1c23 Suraj Upadhyay 2020-07-29  4457  	dma_free_coherent(&adapter->dev->dev, sizeof(mbox64_t),
^1da177e4c3f41 Linus Torvalds 2005-04-16  4458  			  adapter->una_mbox64, adapter->una_mbox64_dma);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4459   out_free_irq:
^1da177e4c3f41 Linus Torvalds 2005-04-16  4460  	free_irq(adapter->host->irq, adapter);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4461   out_free_scb_list:
^1da177e4c3f41 Linus Torvalds 2005-04-16  4462  	kfree(adapter->scb_list);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4463   out_free_cmd_buffer:
ec090ef8cd1c23 Suraj Upadhyay 2020-07-29  4464  	dma_free_coherent(&adapter->dev->dev, MEGA_BUFFER_SIZE,
^1da177e4c3f41 Linus Torvalds 2005-04-16  4465  			  adapter->mega_buffer, adapter->buf_dma_handle);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4466   out_host_put:
^1da177e4c3f41 Linus Torvalds 2005-04-16  4467  	scsi_host_put(host);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4468   out_iounmap:
^1da177e4c3f41 Linus Torvalds 2005-04-16  4469  	if (flag & BOARD_MEMMAP)
^1da177e4c3f41 Linus Torvalds 2005-04-16 @4470  		iounmap((void *)mega_baseport);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4471   out_release_region:
^1da177e4c3f41 Linus Torvalds 2005-04-16  4472  	if (flag & BOARD_MEMMAP)
^1da177e4c3f41 Linus Torvalds 2005-04-16  4473  		release_mem_region(tbase, 128);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4474  	else
^1da177e4c3f41 Linus Torvalds 2005-04-16  4475  		release_region(mega_baseport, 16);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4476   out_disable_device:
^1da177e4c3f41 Linus Torvalds 2005-04-16  4477  	pci_disable_device(pdev);
^1da177e4c3f41 Linus Torvalds 2005-04-16  4478   out:
^1da177e4c3f41 Linus Torvalds 2005-04-16  4479  	return error;
^1da177e4c3f41 Linus Torvalds 2005-04-16  4480  }
^1da177e4c3f41 Linus Torvalds 2005-04-16  4481  

:::::: The code at line 4470 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

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