[PATCH V2 5/5] dovetail/tick: pipeline: implement pipeline_must_force_program_tick
hongzha1
hongzhan.chen at intel.com
Fri Jan 22 03:12:40 CET 2021
Force the next tick to be programmed in the hardware as a result of
leaving the ONESHOT_STOPPED
Signed-off-by: hongzha1 <hongzhan.chen at intel.com>
diff --git a/include/cobalt/kernel/dovetail/pipeline/tick.h b/include/cobalt/kernel/dovetail/pipeline/tick.h
index 409581a3c..8ac4760ec 100644
--- a/include/cobalt/kernel/dovetail/pipeline/tick.h
+++ b/include/cobalt/kernel/dovetail/pipeline/tick.h
@@ -9,4 +9,8 @@ int pipeline_install_tick_proxy(void);
void pipeline_uninstall_tick_proxy(void);
+struct xnsched;
+
+inline bool pipeline_must_force_program_tick(struct xnsched *sched);
+
#endif /* !_COBALT_KERNEL_IPIPE_TICK_H */
diff --git a/kernel/cobalt/dovetail/tick.c b/kernel/cobalt/dovetail/tick.c
index 1b622defb..fc6203667 100644
--- a/kernel/cobalt/dovetail/tick.c
+++ b/kernel/cobalt/dovetail/tick.c
@@ -89,6 +89,11 @@ void xn_core_tick(struct clock_event_device *dummy) /* hard irqs off */
xnintr_core_clock_handler();
}
+inline bool pipeline_must_force_program_tick(struct xnsched *sched)
+{
+ return sched->lflags & XNTSTOP;
+}
+
static int proxy_set_oneshot_stopped(struct clock_event_device *proxy_dev)
{
struct clock_event_device *real_dev;
@@ -110,7 +115,7 @@ static int proxy_set_oneshot_stopped(struct clock_event_device *proxy_dev)
xnlock_get_irqsave(&nklock, s);
sched = xnsched_current();
xntimer_stop(&sched->htimer);
- //sched->lflags |= XNTSTOP;
+ sched->lflags |= XNTSTOP;
if (sched->lflags & XNIDLE) {
real_dev = dev->real_device;
--
2.17.1
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