[linux-next:master 10008/13260] drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c:52:9: sparse: sparse: cast removes address space '__iomem' of expression
1:11 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 01830e6c042e8eb6eb202e05d7df8057135b4c26
commit: bea8395ccf175b599fd3e36df56dd8a67adcea9e [10008/13260] drm/nouveau/kms/nv50-:
convert wimm point() 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 bea8395ccf175b599fd3e36df56dd8a67adcea9e
# 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(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c:52:9: sparse: sparse:
cast removes address space '__iomem' of expression
> drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c:52:9: sparse: sparse: cast removes
address space '__iomem' of expression
vim +/__iomem +52 drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
42
43 static int
44 wimmc37b_point(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
45 {
46 struct nvif_push *push = wndw->wimm.push;
47 int ret;
48
49 if ((ret = PUSH_WAIT(push, 2)))
50 return ret;
51
52 PUSH_NVSQ(push, NVC37B, 0x0208, asyw->point.y << 16 |
asyw->point.x);
53 return 0;
54 }
55
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