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From: kernel test robot <lkp@intel.com>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: kbuild-all@lists.01.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Will Deacon <will@kernel.org>, Christoph Hellwig <hch@lst.de>,
	Arnd Bergmann <arnd@arndb.de>,
	"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Subject: [linux-next:master 4676/13542] drivers/remoteproc/imx_rproc.c:434:20: sparse: sparse: incorrect type in argument 1 (different address spaces)
Date: Sun, 31 Jul 2022 20:47:54 +0800	[thread overview]
Message-ID: <202207312058.3cJ5TEXJ-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   7c5e07b73ff3011c9b82d4a3286a3362b951ad2b
commit: d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee [4676/13542] ARM: mm: kill unused runtime hook arch_iounmap()
config: arm-randconfig-s053-20220731 (https://download.01.org/0day-ci/archive/20220731/202207312058.3cJ5TEXJ-lkp@intel.com/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/next/linux-next.git/commit/?id=d803336abdbc1bfacdb32b2cf9f4fdbee072b8ee
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next 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 drivers/remoteproc/

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

sparse warnings: (new ones prefixed by >>)
   drivers/remoteproc/imx_rproc.c:417:12: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void *va @@     got void [noderef] __iomem * @@
   drivers/remoteproc/imx_rproc.c:417:12: sparse:     expected void *va
   drivers/remoteproc/imx_rproc.c:417:12: sparse:     got void [noderef] __iomem *
>> drivers/remoteproc/imx_rproc.c:434:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem *io_addr @@     got void *va @@
   drivers/remoteproc/imx_rproc.c:434:20: sparse:     expected void volatile [noderef] __iomem *io_addr
   drivers/remoteproc/imx_rproc.c:434:20: sparse:     got void *va
   drivers/remoteproc/imx_rproc.c:534:17: sparse: sparse: cast removes address space '__iomem' of expression

vim +434 drivers/remoteproc/imx_rproc.c

b29b4249f8f0ca Peng Fan 2021-03-06  429  
b29b4249f8f0ca Peng Fan 2021-03-06  430  static int imx_rproc_mem_release(struct rproc *rproc,
b29b4249f8f0ca Peng Fan 2021-03-06  431  				 struct rproc_mem_entry *mem)
b29b4249f8f0ca Peng Fan 2021-03-06  432  {
b29b4249f8f0ca Peng Fan 2021-03-06  433  	dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma);
b29b4249f8f0ca Peng Fan 2021-03-06 @434  	iounmap(mem->va);
b29b4249f8f0ca Peng Fan 2021-03-06  435  
b29b4249f8f0ca Peng Fan 2021-03-06  436  	return 0;
b29b4249f8f0ca Peng Fan 2021-03-06  437  }
b29b4249f8f0ca Peng Fan 2021-03-06  438  

:::::: The code at line 434 was first introduced by commit
:::::: b29b4249f8f0cad1a1787cbe59e638ff23d489ed remoteproc: imx_rproc: add i.MX specific parse fw hook

:::::: TO: Peng Fan <peng.fan@nxp.com>
:::::: CC: Bjorn Andersson <bjorn.andersson@linaro.org>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp


                 reply	other threads:[~2022-07-31 12:48 UTC|newest]

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