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Diffstat (limited to 'ANDROID_3.4.5/include/asm-generic/bitops/__ffs.h')
-rw-r--r--ANDROID_3.4.5/include/asm-generic/bitops/__ffs.h43
1 files changed, 0 insertions, 43 deletions
diff --git a/ANDROID_3.4.5/include/asm-generic/bitops/__ffs.h b/ANDROID_3.4.5/include/asm-generic/bitops/__ffs.h
deleted file mode 100644
index 937d7c43..00000000
--- a/ANDROID_3.4.5/include/asm-generic/bitops/__ffs.h
+++ /dev/null
@@ -1,43 +0,0 @@
-#ifndef _ASM_GENERIC_BITOPS___FFS_H_
-#define _ASM_GENERIC_BITOPS___FFS_H_
-
-#include <asm/types.h>
-
-/**
- * __ffs - find first bit in word.
- * @word: The word to search
- *
- * Undefined if no bit exists, so code should check against 0 first.
- */
-static __always_inline unsigned long __ffs(unsigned long word)
-{
- int num = 0;
-
-#if BITS_PER_LONG == 64
- if ((word & 0xffffffff) == 0) {
- num += 32;
- word >>= 32;
- }
-#endif
- if ((word & 0xffff) == 0) {
- num += 16;
- word >>= 16;
- }
- if ((word & 0xff) == 0) {
- num += 8;
- word >>= 8;
- }
- if ((word & 0xf) == 0) {
- num += 4;
- word >>= 4;
- }
- if ((word & 0x3) == 0) {
- num += 2;
- word >>= 2;
- }
- if ((word & 0x1) == 0)
- num += 1;
- return num;
-}
-
-#endif /* _ASM_GENERIC_BITOPS___FFS_H_ */