On Tue, Jun 15, 2021 at 05:45:09PM +0800, Yangbo Lu wrote:
quoted hunk ↗ jump to hunk
diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h
index 3f388d63904c..6949afc9d733 100644
--- a/drivers/ptp/ptp_private.h
+++ b/drivers/ptp/ptp_private.h
@@ -46,6 +46,9 @@ struct ptp_clock {
const struct attribute_group *pin_attr_groups[2];
struct kthread_worker *kworker;
struct kthread_delayed_work aux_work;
+ u8 n_vclocks;
Hm, type is u8, but ...
quoted hunk ↗ jump to hunk
+ struct mutex n_vclocks_mux; /* protect concurrent n_vclocks access */
+ bool vclock_flag;
};
quoted hunk ↗ jump to hunk
#define info_to_vclock(d) container_of((d), struct ptp_vclock, info)
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
index 1d108d597f66..4b933dc1b81b 100644
--- a/include/uapi/linux/ptp_clock.h
+++ b/include/uapi/linux/ptp_clock.h
@@ -69,6 +69,11 @@
*/
#define PTP_PEROUT_V1_VALID_FLAGS (0)
+/*
+ * Max number of PTP virtual clocks per PTP physical clock
+ */
+#define PTP_MAX_VCLOCKS 20
Only 20 clocks are allowed? Why?
Thanks,
Richard