1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index eabecff9b740..ab4811242458 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -510,6 +510,16 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp,
 static int ptp_dp83640_verify(struct ptp_clock_info *ptp, unsigned int pin,
                               enum ptp_pin_function func, unsigned int chan)
 {
+        struct dp83640_clock *clock =
+                container_of(ptp, struct dp83640_clock, caps);
+
+        if (clock->caps.pin_config[pin].func == PTP_PF_PHYSYNC &&
+            !list_empty(&clock->phylist))
+                return 1;
+
+        if (func == PTP_PF_PHYSYNC)
+                return 1;
+
         return 0;
 }