diff options
Diffstat (limited to 'drivers/net/cxgbe/cxgbe_compat.h')
| -rw-r--r-- | drivers/net/cxgbe/cxgbe_compat.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/cxgbe/cxgbe_compat.h b/drivers/net/cxgbe/cxgbe_compat.h index 1551cbf5..03bba9fe 100644 --- a/drivers/net/cxgbe/cxgbe_compat.h +++ b/drivers/net/cxgbe/cxgbe_compat.h @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2014-2015 Chelsio Communications. + * Copyright(c) 2014-2017 Chelsio Communications. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -226,6 +226,15 @@ static inline int cxgbe_fls(int x) return x ? sizeof(x) * 8 - __builtin_clz(x) : 0; } +/** + * cxgbe_ffs - find first bit set + * @x: the word to search + */ +static inline int cxgbe_ffs(int x) +{ + return x ? __builtin_ffs(x) : 0; +} + static inline unsigned long ilog2(unsigned long n) { unsigned int e = 0; |