diff options
Diffstat (limited to 'src/arch/x86')
-rw-r--r-- | src/arch/x86/timestamp.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/arch/x86/timestamp.c b/src/arch/x86/timestamp.c index 928d7d7402..b5257c4c7e 100644 --- a/src/arch/x86/timestamp.c +++ b/src/arch/x86/timestamp.c @@ -21,15 +21,14 @@ uint64_t timestamp_get(void) return rdtscll(); } -unsigned long __weak tsc_freq_mhz(void) -{ - /* Default to not knowing TSC frequency. cbmem will have to fallback - * on trying to determine it in userspace. */ - return 0; -} - int timestamp_tick_freq_mhz(void) { /* Chipsets that have a constant TSC provide this value correctly. */ - return tsc_freq_mhz(); + if (IS_ENABLED(CONFIG_TSC_CONSTANT_RATE)) + return tsc_freq_mhz(); + + /* Filling tick_freq_mhz = 0 in timestamps-table will trigger + * userspace utility to try deduce it from the running system. + */ + return 0; } |