diff options
Diffstat (limited to 'common/clock.c')
| -rw-r--r-- | common/clock.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/common/clock.c b/common/clock.c index 2ee81da8e7..35c9e6cbb8 100644 --- a/common/clock.c +++ b/common/clock.c @@ -22,6 +22,7 @@ */ #include <common.h> +#include <init.h> #include <asm-generic/div64.h> #include <clock.h> #include <poller.h> @@ -35,6 +36,16 @@ static uint64_t time_ns; */ uint64_t time_beginning; +static int dummy_csrc_warn(void) +{ + if (!current_clock) { + pr_warn("Warning: Using dummy clocksource\n"); + } + + return 0; +} +late_initcall(dummy_csrc_warn); + /** * get_time_ns - get current timestamp in nanoseconds */ @@ -44,8 +55,13 @@ uint64_t get_time_ns(void) uint64_t cycle_now, cycle_delta; uint64_t ns_offset; - if (!cs) - return 0; + if (!cs) { + static uint64_t dummy_counter; + + dummy_counter += CONFIG_CLOCKSOURCE_DUMMY_RATE; + + return dummy_counter; + } /* read clocksource: */ cycle_now = cs->read() & cs->mask; |