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Tue, 05 Apr 2022 12:50:11 +0000 Date: Tue, 5 Apr 2022 20:49:45 +0800 From: kernel test robot To: Dmitry Baryshkov Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Jessica Zhang Subject: drivers/gpu/drm/msm/msm_io_utils.c:65:31: sparse: sparse: incorrect type in return expression (different address spaces) Message-ID: <202204052038.RxcTSgob-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3123109284176b1532874591f7c81f3837bbdc17 commit: d89e5028346bd80f79c3073d132123e7a17e1177 drm/msm: move utility functions from msm_drv.c date: 7 weeks ago config: sparc64-randconfig-s031-20220405 (https://download.01.org/0day-ci/archive/20220405/202204052038.RxcTSgob-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 11.2.0 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-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d89e5028346bd80f79c3073d132123e7a17e1177 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d89e5028346bd80f79c3073d132123e7a17e1177 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc64 SHELL=/bin/bash drivers/gpu/drm/msm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/msm/msm_io_utils.c:65:31: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] __iomem * @@ got void * @@ drivers/gpu/drm/msm/msm_io_utils.c:65:31: sparse: expected void [noderef] __iomem * drivers/gpu/drm/msm/msm_io_utils.c:65:31: sparse: got void * drivers/gpu/drm/msm/msm_io_utils.c:74:31: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] __iomem * @@ got void * @@ drivers/gpu/drm/msm/msm_io_utils.c:74:31: sparse: expected void [noderef] __iomem * drivers/gpu/drm/msm/msm_io_utils.c:74:31: sparse: got void * vim +65 drivers/gpu/drm/msm/msm_io_utils.c 49 50 static void __iomem *_msm_ioremap(struct platform_device *pdev, const char *name, 51 bool quiet, phys_addr_t *psize) 52 { 53 struct resource *res; 54 unsigned long size; 55 void __iomem *ptr; 56 57 if (name) 58 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, name); 59 else 60 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 61 62 if (!res) { 63 if (!quiet) 64 DRM_DEV_ERROR(&pdev->dev, "failed to get memory resource: %s\n", name); > 65 return ERR_PTR(-EINVAL); 66 } 67 68 size = resource_size(res); 69 70 ptr = devm_ioremap(&pdev->dev, res->start, size); 71 if (!ptr) { 72 if (!quiet) 73 DRM_DEV_ERROR(&pdev->dev, "failed to ioremap: %s\n", name); 74 return ERR_PTR(-ENOMEM); 75 } 76 77 if (psize) 78 *psize = size; 79 80 return ptr; 81 } 82 -- 0-DAY CI Kernel Test Service https://01.org/lkp