usb: phy: tegra: Register as an USB PHY.

Register the Tegra PHY device instances with the PHY subsystem so that
the Tegra EHCI driver can locate a PHY via the standard APIs.
Signed-off-by: Tuomas Tynkkynen <ttynkkynen@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/phy/phy-tegra-usb.c

@@ -932,6 +932,22 @@ static int tegra_usb_phy_probe(struct platform_device *pdev)
 	tegra_phy->u_phy.set_suspend = tegra_usb_phy_suspend;
 
 	dev_set_drvdata(&pdev->dev, tegra_phy);
+
+	err = usb_add_phy_dev(&tegra_phy->u_phy);
+	if (err < 0) {
+		tegra_usb_phy_close(&tegra_phy->u_phy);
+		return err;
+	}
+
+	return 0;
+}
+
+static int tegra_usb_phy_remove(struct platform_device *pdev)
+{
+	struct tegra_usb_phy *tegra_phy = platform_get_drvdata(pdev);
+
+	usb_remove_phy(&tegra_phy->u_phy);
+
 	return 0;
 }
 
@@ -943,6 +959,7 @@ MODULE_DEVICE_TABLE(of, tegra_usb_phy_id_table);
 
 static struct platform_driver tegra_usb_phy_driver = {
 	.probe		= tegra_usb_phy_probe,
+	.remove		= tegra_usb_phy_remove,
 	.driver		= {
 		.name	= "tegra-phy",
 		.owner	= THIS_MODULE,