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-rw-r--r--hw/core/ptimer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/core/ptimer.c b/hw/core/ptimer.c
index 7e6fc2d2ce..76ebe9b48c 100644
--- a/hw/core/ptimer.c
+++ b/hw/core/ptimer.c
@@ -190,6 +190,7 @@ void ptimer_stop(ptimer_state *s)
 /* Set counter increment interval in nanoseconds.  */
 void ptimer_set_period(ptimer_state *s, int64_t period)
 {
+    s->delta = ptimer_get_count(s);
     s->period = period;
     s->period_frac = 0;
     if (s->enabled) {
@@ -201,6 +202,7 @@ void ptimer_set_period(ptimer_state *s, int64_t period)
 /* Set counter frequency in Hz.  */
 void ptimer_set_freq(ptimer_state *s, uint32_t freq)
 {
+    s->delta = ptimer_get_count(s);
     s->period = 1000000000ll / freq;
     s->period_frac = (1000000000ll << 32) / freq;
     if (s->enabled) {