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-rw-r--r--drivers/s390/crypto/ap_bus.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 727a809636d..ed3dcdea7fe 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1145,12 +1145,17 @@ ap_config_timeout(unsigned long ptr)
*/
static inline void ap_schedule_poll_timer(void)
{
+ ktime_t hr_time;
if (ap_using_interrupts() || ap_suspend_flag)
return;
if (hrtimer_is_queued(&ap_poll_timer))
return;
- hrtimer_start(&ap_poll_timer, ktime_set(0, poll_timeout),
- HRTIMER_MODE_ABS);
+ if (ktime_to_ns(hrtimer_expires_remaining(&ap_poll_timer)) <= 0) {
+ hr_time = ktime_set(0, poll_timeout);
+ hrtimer_forward_now(&ap_poll_timer, hr_time);
+ hrtimer_restart(&ap_poll_timer);
+ }
+ return;
}
/**