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Date:   Wed, 16 Dec 2020 02:09:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     Sharat Masetty <smasetty@...eaurora.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Rob Clark <robdclark@...omium.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Subject: drivers/gpu/drm/msm/adreno/a6xx_gpu.c:1095:36: sparse: sparse:
 incorrect type in assignment (different address spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   148842c98a24e508aecb929718818fbf4c2a6ff3
commit: 474dadb8b0d557661cb3d1727f1ff2f82bac6b4c drm/msm/a6xx: Add support for using system cache(LLC)
date:   2 weeks ago
config: arm64-randconfig-s032-20201215 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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: v0.6.3-184-g1b896707-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=474dadb8b0d557661cb3d1727f1ff2f82bac6b4c
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 474dadb8b0d557661cb3d1727f1ff2f82bac6b4c
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


"sparse warnings: (new ones prefixed by >>)"
   drivers/gpu/drm/msm/adreno/a6xx_gpu.c: note: in included file (through drivers/gpu/drm/msm/msm_gpu.h, drivers/gpu/drm/msm/adreno/adreno_gpu.h, drivers/gpu/drm/msm/adreno/a6xx_gpu.h):
   include/linux/adreno-smmu-priv.h:36:33: sparse: sparse: no newline at end of file
>> drivers/gpu/drm/msm/adreno/a6xx_gpu.c:1095:36: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected void [noderef] __iomem *llc_mmio @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gpu.c:1095:36: sparse:     expected void [noderef] __iomem *llc_mmio
   drivers/gpu/drm/msm/adreno/a6xx_gpu.c:1095:36: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gpu.c: note: in included file (through drivers/gpu/drm/msm/adreno/a6xx_gpu.h):
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:120:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:120:41: sparse:     expected void const [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:120:41: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:121:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:121:43: sparse:     expected void const [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:121:43: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:120:31: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:121:33: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:120:31: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:121:33: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:92:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:92:36: sparse:     expected void const [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:92:36: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:92:26: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse:     expected void [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:34: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:92:36: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:92:36: sparse:     expected void const [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:92:36: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:92:26: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse:     expected void [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:34: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse:     expected void [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:34: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse:     expected void [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:44: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:97:34: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:120:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:120:41: sparse:     expected void const [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:120:41: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:121:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void const [noderef] __iomem *addr @@     got void * @@
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:121:43: sparse:     expected void const [noderef] __iomem *addr
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:121:43: sparse:     got void *
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:120:31: sparse: sparse: dereference of noderef expression
   drivers/gpu/drm/msm/adreno/a6xx_gmu.h:121:33: sparse: sparse: dereference of noderef expression

vim +1095 drivers/gpu/drm/msm/adreno/a6xx_gpu.c

  1083	
  1084	static void a6xx_llc_slices_init(struct platform_device *pdev,
  1085			struct a6xx_gpu *a6xx_gpu)
  1086	{
  1087		a6xx_gpu->llc_mmio = msm_ioremap(pdev, "cx_mem", "gpu_cx");
  1088		if (IS_ERR(a6xx_gpu->llc_mmio))
  1089			return;
  1090	
  1091		a6xx_gpu->llc_slice = llcc_slice_getd(LLCC_GPU);
  1092		a6xx_gpu->htw_llc_slice = llcc_slice_getd(LLCC_GPUHTW);
  1093	
  1094		if (IS_ERR(a6xx_gpu->llc_slice) && IS_ERR(a6xx_gpu->htw_llc_slice))
> 1095			a6xx_gpu->llc_mmio = ERR_PTR(-EINVAL);
  1096	}
  1097	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (39239 bytes)

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