diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 28ad9ca7b9e7..676ba0dd04be 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -162,13 +162,9 @@ static struct mii_bus *mdio_gpio_bus_init(struct device *dev,
 
 	new_bus->name = "GPIO Bitbanged MDIO";
 
-	new_bus->phy_mask = pdata->phy_mask;
 	memcpy(new_bus->irq, pdata->irqs, sizeof(new_bus->irq));
 	new_bus->parent = dev;
 
-	if (new_bus->phy_mask == ~0)
-		goto out_free_bus;
-
 	for (i = 0; i < PHY_MAX_ADDR; i++)
 		if (!new_bus->irq[i])
 			new_bus->irq[i] = PHY_POLL;
diff --git a/include/linux/platform_data/mdio-gpio.h b/include/linux/platform_data/mdio-gpio.h
index b8f914a30126..7d55dfef56dc 100644
--- a/include/linux/platform_data/mdio-gpio.h
+++ b/include/linux/platform_data/mdio-gpio.h
@@ -23,7 +23,6 @@ struct mdio_gpio_platform_data {
 	bool mdio_active_low;
 	bool mdo_active_low;
 
-	u32 phy_mask;
 	int irqs[PHY_MAX_ADDR];
 };