@@ -371,6 +371,12 @@ int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay)
}
EXPORT_SYMBOL(ptp_schedule_worker);
+void ptp_cancel_worker_sync(struct ptp_clock *ptp)
+{
+ kthread_cancel_delayed_work_sync(&ptp->aux_work);
+}
+EXPORT_SYMBOL(ptp_cancel_worker_sync);
+
/* module operations */
static void __exit ptp_exit(void)
@@ -243,6 +243,13 @@ int ptp_find_pin(struct ptp_clock *ptp,
int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay);
+/**
+ * ptp_cancel_worker_sync() - cancel ptp auxiliary clock
+ *
+ * @ptp: The clock obtained from ptp_clock_register().
+ */
+void ptp_cancel_worker_sync(struct ptp_clock *ptp);
+
#else
static inline struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info,
struct device *parent)
In order to effectively use the PTP kernel thread for tasks such as timestamping packets, allow the user control over stopping it, which is needed e.g. when the timestamping queues must be drained. Signed-off-by: Vladimir Oltean <olteanv@gmail.com> --- drivers/ptp/ptp_clock.c | 6 ++++++ include/linux/ptp_clock_kernel.h | 7 +++++++ 2 files changed, 13 insertions(+)