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author | Tony Lindgren <tony@atomide.com> | 2017-03-06 08:37:53 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2017-03-06 08:37:53 -0800 |
commit | e24bce8fb4c26bd0d8eca74cbbee1ad049246be3 (patch) | |
tree | c219c2ec183633aa15841fca5b055a09d2d0b980 /tools/testing/radix-tree/linux/bitops/ffs.h | |
parent | b92675d998a9fa37fe9e0e35053a95b4a23c158b (diff) | |
parent | c1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 (diff) | |
download | talos-op-linux-e24bce8fb4c26bd0d8eca74cbbee1ad049246be3.tar.gz talos-op-linux-e24bce8fb4c26bd0d8eca74cbbee1ad049246be3.zip |
Merge tag 'v4.11-rc1' into omap-for-v4.11/fixes
Linux 4.11-rc1
Diffstat (limited to 'tools/testing/radix-tree/linux/bitops/ffs.h')
-rw-r--r-- | tools/testing/radix-tree/linux/bitops/ffs.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/tools/testing/radix-tree/linux/bitops/ffs.h b/tools/testing/radix-tree/linux/bitops/ffs.h deleted file mode 100644 index fbbb43af7dc0..000000000000 --- a/tools/testing/radix-tree/linux/bitops/ffs.h +++ /dev/null @@ -1,41 +0,0 @@ -#ifndef _ASM_GENERIC_BITOPS_FFS_H_ -#define _ASM_GENERIC_BITOPS_FFS_H_ - -/** - * ffs - find first bit set - * @x: the word to search - * - * This is defined the same way as - * the libc and compiler builtin ffs routines, therefore - * differs in spirit from the above ffz (man ffs). - */ -static inline int ffs(int x) -{ - int r = 1; - - if (!x) - return 0; - if (!(x & 0xffff)) { - x >>= 16; - r += 16; - } - if (!(x & 0xff)) { - x >>= 8; - r += 8; - } - if (!(x & 0xf)) { - x >>= 4; - r += 4; - } - if (!(x & 3)) { - x >>= 2; - r += 2; - } - if (!(x & 1)) { - x >>= 1; - r += 1; - } - return r; -} - -#endif /* _ASM_GENERIC_BITOPS_FFS_H_ */ |