diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index ab48112..293ad06 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -609,7 +609,11 @@
 	u16 cal_gpio, cfg0, evnt, ptp_trig, trigger, val;
 
 	trigger = CAL_TRIGGER;
-	cal_gpio = gpio_tab[CALIBRATE_GPIO];
+	cal_gpio = 1 + ptp_find_pin(clock->ptp_clock, PTP_PF_PHYSYNC, 0);
+	if (cal_gpio < 1) {
+		pr_err("PHY calibration pin not avaible - PHY is not calibrated.");
+		return;
+	}
 
 	mutex_lock(&clock->extreg_lock);