[linux-next:master 10010/13260] drivers/gpu/drm/nouveau/dispnv50/wndwc37e.c:198:9: sparse: sparse: cast removes address space '__iomem' of expression

[linux-next:master 10010/13260] drivers/gpu/drm/nouveau/dispnv50/wndwc37e.c:198:9: sparse: sparse: cast removes address space '__iomem' of expression

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   01830e6c042e8eb6eb202e05d7df8057135b4c26
commit: 34cf8cae288e3d2cee08ab17fe458aec636d9def [10010/13260] drm/nouveau/kms/nv50-: convert wndw sema_set() to new push macros
config: i386-randconfig-s032-20200801 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.2-115-g5fc204f2-dirty
        git checkout 34cf8cae288e3d2cee08ab17fe458aec636d9def
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

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


sparse warnings: (new ones prefixed by >>)

>> drivers/gpu/drm/nouveau/dispnv50/wndwc37e.c:198:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/nouveau/dispnv50/wndwc37e.c:198:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/nouveau/dispnv50/wndwc37e.c:198:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/nouveau/dispnv50/wndwc37e.c:198:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/nouveau/dispnv50/wndwc37e.c:198:9: sparse: sparse: cast removes address space '__iomem' of expression
--
>> drivers/gpu/drm/nouveau/dispnv50/base507c.c:176:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/nouveau/dispnv50/base507c.c:176:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/nouveau/dispnv50/base507c.c:176:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/nouveau/dispnv50/base507c.c:176:9: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/gpu/drm/nouveau/dispnv50/base507c.c:176:9: sparse: sparse: cast removes address space '__iomem' of expression

vim +/__iomem +198 drivers/gpu/drm/nouveau/dispnv50/wndwc37e.c

   188	
   189	int
   190	wndwc37e_sema_set(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
   191	{
   192		struct nvif_push *push = wndw->wndw.push;
   193		int ret;
   194	
   195		if ((ret = PUSH_WAIT(push, 5)))
   196			return ret;
   197	
 > 198		PUSH_NVSQ(push, NVC37E, 0x020c, asyw->sema.offset,
   199					0x0210, asyw->sema.acquire,
   200					0x0214, asyw->sema.release,
   201					0x0218, asyw->sema.handle);
   202		return 0;
   203	}
   204	

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

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