diff options
| -rw-r--r-- | arch/x86/include/asm/global_data.h | 1 | ||||
| -rw-r--r-- | drivers/timer/tsc_timer.c | 3 |
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h index 17a4d34491..7f3ada06f6 100644 --- a/arch/x86/include/asm/global_data.h +++ b/arch/x86/include/asm/global_data.h @@ -76,6 +76,7 @@ struct arch_global_data { uint8_t x86_mask; uint32_t x86_device; uint64_t tsc_base; /* Initial value returned by rdtsc() */ + bool tsc_inited; /* true if tsc is ready for use */ unsigned long clock_rate; /* Clock rate of timer in Hz */ void *new_fdt; /* Relocated FDT */ uint32_t bist; /* Built-in self test value */ diff --git a/drivers/timer/tsc_timer.c b/drivers/timer/tsc_timer.c index f19d2237e4..637c8ff25a 100644 --- a/drivers/timer/tsc_timer.c +++ b/drivers/timer/tsc_timer.c @@ -394,7 +394,7 @@ static int tsc_timer_get_count(struct udevice *dev, u64 *count) static void tsc_timer_ensure_setup(bool early) { - if (gd->arch.tsc_base) + if (gd->arch.tsc_inited) return; gd->arch.tsc_base = rdtsc(); @@ -425,6 +425,7 @@ static void tsc_timer_ensure_setup(bool early) done: gd->arch.clock_rate = fast_calibrate * 1000000; } + gd->arch.tsc_inited = true; } static int tsc_timer_probe(struct udevice *dev) |