diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c
index 2c8bf438ea61..a60ab7946bba 100644
--- a/drivers/net/phy/phy-core.c
+++ b/drivers/net/phy/phy-core.c
@@ -148,6 +148,76 @@ int phy_interface_num_ports(phy_interface_t interface)
 }
 EXPORT_SYMBOL_GPL(phy_interface_num_ports);
 
+/**
+ * phy_interface_max_speed() - get the maximum speed of a phy interface
+ * @interface: phy interface mode defined by &typedef phy_interface_t
+ *
+ * Determine the maximum speed of a phy interface. This is intended to help
+ * determine the correct speed to pass to the MAC when the phy is performing
+ * rate matching.
+ *
+ * Return: The maximum speed of @interface
+ */
+int phy_interface_max_speed(phy_interface_t interface)
+{
+	switch (interface) {
+	case PHY_INTERFACE_MODE_100BASEX:
+	case PHY_INTERFACE_MODE_REVRMII:
+	case PHY_INTERFACE_MODE_RMII:
+	case PHY_INTERFACE_MODE_SMII:
+	case PHY_INTERFACE_MODE_REVMII:
+	case PHY_INTERFACE_MODE_MII:
+		return SPEED_100;
+
+	case PHY_INTERFACE_MODE_TBI:
+	case PHY_INTERFACE_MODE_MOCA:
+	case PHY_INTERFACE_MODE_RTBI:
+	case PHY_INTERFACE_MODE_1000BASEX:
+	case PHY_INTERFACE_MODE_1000BASEKX:
+	case PHY_INTERFACE_MODE_TRGMII:
+	case PHY_INTERFACE_MODE_RGMII_TXID:
+	case PHY_INTERFACE_MODE_RGMII_RXID:
+	case PHY_INTERFACE_MODE_RGMII_ID:
+	case PHY_INTERFACE_MODE_RGMII:
+	case PHY_INTERFACE_MODE_QSGMII:
+	case PHY_INTERFACE_MODE_SGMII:
+	case PHY_INTERFACE_MODE_GMII:
+		return SPEED_1000;
+
+	case PHY_INTERFACE_MODE_2500BASEX:
+		return SPEED_2500;
+
+	case PHY_INTERFACE_MODE_5GBASER:
+		return SPEED_5000;
+
+	case PHY_INTERFACE_MODE_XGMII:
+	case PHY_INTERFACE_MODE_RXAUI:
+	case PHY_INTERFACE_MODE_XAUI:
+	case PHY_INTERFACE_MODE_10GBASER:
+	case PHY_INTERFACE_MODE_10GKR:
+	case PHY_INTERFACE_MODE_USXGMII:
+	case PHY_INTERFACE_MODE_QUSGMII:
+		return SPEED_10000;
+
+	case PHY_INTERFACE_MODE_25GBASER:
+		return SPEED_25000;
+
+	case PHY_INTERFACE_MODE_XLGMII:
+		return SPEED_40000;
+
+	case PHY_INTERFACE_MODE_INTERNAL:
+	case PHY_INTERFACE_MODE_NA:
+	case PHY_INTERFACE_MODE_MAX:
+		/* No idea! Garbage in, unknown out */
+		return SPEED_UNKNOWN;
+	}
+
+	/* If we get here, someone forgot to add an interface mode above */
+	WARN_ON_ONCE(1);
+	return SPEED_UNKNOWN;
+}
+EXPORT_SYMBOL_GPL(phy_interface_max_speed);
+
 /* A mapping of all SUPPORTED settings to speed/duplex.  This table
  * must be grouped by speed and sorted in descending match priority
  * - iow, descending speed.
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 2805b04d6402..90536f3120ec 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -156,75 +156,6 @@ static const char *phylink_an_mode_str(unsigned int mode)
 	return mode < ARRAY_SIZE(modestr) ? modestr[mode] : "unknown";
 }
 
-/**
- * phylink_interface_max_speed() - get the maximum speed of a phy interface
- * @interface: phy interface mode defined by &typedef phy_interface_t
- *
- * Determine the maximum speed of a phy interface. This is intended to help
- * determine the correct speed to pass to the MAC when the phy is performing
- * rate matching.
- *
- * Return: The maximum speed of @interface
- */
-static int phylink_interface_max_speed(phy_interface_t interface)
-{
-	switch (interface) {
-	case PHY_INTERFACE_MODE_100BASEX:
-	case PHY_INTERFACE_MODE_REVRMII:
-	case PHY_INTERFACE_MODE_RMII:
-	case PHY_INTERFACE_MODE_SMII:
-	case PHY_INTERFACE_MODE_REVMII:
-	case PHY_INTERFACE_MODE_MII:
-		return SPEED_100;
-
-	case PHY_INTERFACE_MODE_TBI:
-	case PHY_INTERFACE_MODE_MOCA:
-	case PHY_INTERFACE_MODE_RTBI:
-	case PHY_INTERFACE_MODE_1000BASEX:
-	case PHY_INTERFACE_MODE_1000BASEKX:
-	case PHY_INTERFACE_MODE_TRGMII:
-	case PHY_INTERFACE_MODE_RGMII_TXID:
-	case PHY_INTERFACE_MODE_RGMII_RXID:
-	case PHY_INTERFACE_MODE_RGMII_ID:
-	case PHY_INTERFACE_MODE_RGMII:
-	case PHY_INTERFACE_MODE_QSGMII:
-	case PHY_INTERFACE_MODE_SGMII:
-	case PHY_INTERFACE_MODE_GMII:
-		return SPEED_1000;
-
-	case PHY_INTERFACE_MODE_2500BASEX:
-		return SPEED_2500;
-
-	case PHY_INTERFACE_MODE_5GBASER:
-		return SPEED_5000;
-
-	case PHY_INTERFACE_MODE_XGMII:
-	case PHY_INTERFACE_MODE_RXAUI:
-	case PHY_INTERFACE_MODE_XAUI:
-	case PHY_INTERFACE_MODE_10GBASER:
-	case PHY_INTERFACE_MODE_10GKR:
-	case PHY_INTERFACE_MODE_USXGMII:
-	case PHY_INTERFACE_MODE_QUSGMII:
-		return SPEED_10000;
-
-	case PHY_INTERFACE_MODE_25GBASER:
-		return SPEED_25000;
-
-	case PHY_INTERFACE_MODE_XLGMII:
-		return SPEED_40000;
-
-	case PHY_INTERFACE_MODE_INTERNAL:
-	case PHY_INTERFACE_MODE_NA:
-	case PHY_INTERFACE_MODE_MAX:
-		/* No idea! Garbage in, unknown out */
-		return SPEED_UNKNOWN;
-	}
-
-	/* If we get here, someone forgot to add an interface mode above */
-	WARN_ON_ONCE(1);
-	return SPEED_UNKNOWN;
-}
-
 /**
  * phylink_caps_to_linkmodes() - Convert capabilities to ethtool link modes
  * @linkmodes: ethtool linkmode mask (must be already initialised)
@@ -435,7 +366,7 @@ unsigned long phylink_get_capabilities(phy_interface_t interface,
 				       unsigned long mac_capabilities,
 				       int rate_matching)
 {
-	int max_speed = phylink_interface_max_speed(interface);
+	int max_speed = phy_interface_max_speed(interface);
 	unsigned long caps = MAC_SYM_PAUSE | MAC_ASYM_PAUSE;
 	unsigned long matched_caps = 0;
 
@@ -1202,7 +1133,7 @@ static void phylink_link_up(struct phylink *pl,
 		 * the link_state) to the interface speed, and will send
 		 * pause frames to the MAC to limit its transmission speed.
 		 */
-		speed = phylink_interface_max_speed(link_state.interface);
+		speed = phy_interface_max_speed(link_state.interface);
 		duplex = DUPLEX_FULL;
 		rx_pause = true;
 		break;
@@ -1212,7 +1143,7 @@ static void phylink_link_up(struct phylink *pl,
 		 * the link_state) to the interface speed, and will cause
 		 * collisions to the MAC to limit its transmission speed.
 		 */
-		speed = phylink_interface_max_speed(link_state.interface);
+		speed = phy_interface_max_speed(link_state.interface);
 		duplex = DUPLEX_HALF;
 		break;
 	}
diff --git a/include/linux/phy.h b/include/linux/phy.h
index ddf66198f751..bb160611d9ad 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -997,6 +997,7 @@ const char *phy_duplex_to_str(unsigned int duplex);
 const char *phy_rate_matching_to_str(int rate_matching);
 
 int phy_interface_num_ports(phy_interface_t interface);
+int phy_interface_max_speed(phy_interface_t interface);
 
 /* A structure for mapping a particular speed and duplex
  * combination to a particular SUPPORTED and ADVERTISED value
