As per asm-generic definition and other architectures __fls should return unsigned long. No functional change is expected as return value should fit in unsigned long. Reviewed-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx> Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@xxxxxxxxxxxxxxx> --- arch/arc/include/asm/bitops.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h index bdb7e190a294..f5a936496f06 100644 --- a/arch/arc/include/asm/bitops.h +++ b/arch/arc/include/asm/bitops.h @@ -82,7 +82,7 @@ static inline __attribute__ ((const)) int fls(unsigned int x) /* * __fls: Similar to fls, but zero based (0-31) */ -static inline __attribute__ ((const)) int __fls(unsigned long x) +static inline __attribute__ ((const)) unsigned long __fls(unsigned long x) { if (!x) return 0; @@ -131,7 +131,7 @@ static inline __attribute__ ((const)) int fls(unsigned int x) /* * __fls: Similar to fls, but zero based (0-31). Also 0 if no bit set */ -static inline __attribute__ ((const)) int __fls(unsigned long x) +static inline __attribute__ ((const)) unsigned long __fls(unsigned long x) { /* FLS insn has exactly same semantics as the API */ return __builtin_arc_fls(x); -- 2.25.1