diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00reg.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00reg.h | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h index c3f1202404d9..7e88ce5651b9 100644 --- a/drivers/net/wireless/rt2x00/rt2x00reg.h +++ b/drivers/net/wireless/rt2x00/rt2x00reg.h @@ -145,23 +145,27 @@ struct rt2x00_field32 { * compile-time rather then run-time. */ #define compile_ffs2(__x) \ - ( ((__x) & 0x1) ? 0 : 1 ) + __builtin_choose_expr(((__x) & 0x1), 0, 1) #define compile_ffs4(__x) \ - ( ((__x) & 0x3) ? \ - compile_ffs2(__x) : (compile_ffs2((__x) >> 2) + 2) ) + __builtin_choose_expr(((__x) & 0x3), \ + (compile_ffs2((__x))), \ + (compile_ffs2((__x) >> 2) + 2)) #define compile_ffs8(__x) \ - ( ((__x) & 0xf) ? \ - compile_ffs4(__x) : (compile_ffs4((__x) >> 4) + 4) ) + __builtin_choose_expr(((__x) & 0xf), \ + (compile_ffs4((__x))), \ + (compile_ffs4((__x) >> 4) + 4)) #define compile_ffs16(__x) \ - ( ((__x) & 0xff) ? \ - compile_ffs8(__x) : (compile_ffs8((__x) >> 8) + 8) ) + __builtin_choose_expr(((__x) & 0xff), \ + (compile_ffs8((__x))), \ + (compile_ffs8((__x) >> 8) + 8)) #define compile_ffs32(__x) \ - ( ((__x) & 0xffff) ? \ - compile_ffs16(__x) : (compile_ffs16((__x) >> 16) + 16) ) + __builtin_choose_expr(((__x) & 0xffff), \ + (compile_ffs16((__x))), \ + (compile_ffs16((__x) >> 16) + 16)) /* * This macro will check the requirements for the FIELD{8,16,32} macros |