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Diffstat (limited to 'tools/include/asm-generic/bitops/fls.h')
-rw-r--r--tools/include/asm-generic/bitops/fls.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/include/asm-generic/bitops/fls.h b/tools/include/asm-generic/bitops/fls.h
index b168bb10e1be..26f3ce1dd6e4 100644
--- a/tools/include/asm-generic/bitops/fls.h
+++ b/tools/include/asm-generic/bitops/fls.h
@@ -3,14 +3,14 @@
#define _ASM_GENERIC_BITOPS_FLS_H_
/**
- * fls - find last (most-significant) bit set
+ * generic_fls - find last (most-significant) bit set
* @x: the word to search
*
* This is defined the same way as ffs.
* Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
*/
-static __always_inline int fls(unsigned int x)
+static __always_inline int generic_fls(unsigned int x)
{
int r = 32;
@@ -39,4 +39,8 @@ static __always_inline int fls(unsigned int x)
return r;
}
+#ifndef __HAVE_ARCH_FLS
+#define fls(x) generic_fls(x)
+#endif
+
#endif /* _ASM_GENERIC_BITOPS_FLS_H_ */