tree: git://linuxtv.org/media_tree.git fixes
head: f3a4cf07c937f9133c27169b62a229c406db04b7
commit: 3ff634bac7d2049283018e65b472e4af7e2ae228 [12/13] [media] media: s5p-mfc: fix broken pointer cast on 64bit arch
reproduce:
# apt-get install sparse
git checkout 3ff634bac7d2049283018e65b472e4af7e2ae228
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
>> drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c:1859:23: sparse: incorrect type in argument 2 (different address spaces)
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c:1859:23: expected void volatile [noderef] <asn:2>*addr
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c:1859:23: got void *<noident>
>> drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c:1869:22: sparse: incorrect type in argument 1 (different address spaces)
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c:1869:22: expected void const volatile [noderef] <asn:2>*addr
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c:1869:22: got void *<noident>
vim +1859 drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
1853 }
1854
1855 static void s5p_mfc_write_info_v6(struct s5p_mfc_ctx *ctx, unsigned int data,
1856 unsigned int ofs)
1857 {
1858 s5p_mfc_clock_on();
> 1859 writel(data, (void *)((unsigned long)ofs));
1860 s5p_mfc_clock_off();
1861 }
1862
1863 static unsigned int
1864 s5p_mfc_read_info_v6(struct s5p_mfc_ctx *ctx, unsigned long ofs)
1865 {
1866 int ret;
1867
1868 s5p_mfc_clock_on();
> 1869 ret = readl((void *)ofs);
1870 s5p_mfc_clock_off();
1871
1872 return ret;
---
0-DAY kernel test infrastructure Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild Intel Corporation
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