diff options
Diffstat (limited to 'include/linux/clocksource.h')
-rw-r--r-- | include/linux/clocksource.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 5f4a7f7..4bc9428 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -65,6 +65,8 @@ struct clocksource { u64 interval_snsecs; }; +/* simplify initialization of mask field */ +#define CLOCKSOURCE_MASK(bits) (cycle_t)(bits<64 ? ((1ULL<<bits)-1) : -1) /** * clocksource_khz2mult - calculates mult from khz and shift |