drivers/gpu/drm/msm/adreno/a6xx_gpu.c:1095:36: sparse: sparse: incorrect type in assignment (different address spaces)

From: kernel test robot
Date: Tue Dec 15 2020 - 13:11:42 EST

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@xxxxxxxxx>


"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@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip