phy: tegra: xusb: Remove usb3 supply

Remove redundant codes for getting the vbus supply of usb3 ports because
we get and control the vbus supply by the companion usb2 ports

Signed-off-by: Wayne Chang <[e-mail]>
Signed-off-by: Haotien Hsu <[e-mail]>
Reviewed-by: Jon Hunter <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/phy/tegra/xusb-tegra124.c

···
 
 static const struct tegra_xusb_port_ops tegra124_usb3_port_ops = {
 	.release = tegra_xusb_usb3_port_release,
-	.remove = tegra_xusb_usb3_port_remove,
 	.enable = tegra124_usb3_port_enable,
 	.disable = tegra124_usb3_port_disable,
 	.map = tegra124_usb3_port_map,

drivers/phy/tegra/xusb-tegra186.c

···
 
 static const struct tegra_xusb_port_ops tegra186_usb3_port_ops = {
 	.release = tegra_xusb_usb3_port_release,
-	.remove = tegra_xusb_usb3_port_remove,
 	.enable = tegra186_usb3_port_enable,
 	.disable = tegra186_usb3_port_disable,
 	.map = tegra186_usb3_port_map,

drivers/phy/tegra/xusb-tegra210.c

···
 
 static const struct tegra_xusb_port_ops tegra210_usb3_port_ops = {
 	.release = tegra_xusb_usb3_port_release,
-	.remove = tegra_xusb_usb3_port_remove,
 	.enable = tegra210_usb3_port_enable,
 	.disable = tegra210_usb3_port_disable,
 	.map = tegra210_usb3_port_map,

drivers/phy/tegra/xusb.c

···
 			return -EINVAL;
 	}
 
-	usb3->supply = regulator_get(&port->dev, "vbus");
-	return PTR_ERR_OR_ZERO(usb3->supply);
+	return 0;
 }
 
 static int tegra_xusb_add_usb3_port(struct tegra_xusb_padctl *padctl,
···
 	struct tegra_xusb_usb3_port *usb3 = to_usb3_port(port);
 
 	kfree(usb3);
-}
-
-void tegra_xusb_usb3_port_remove(struct tegra_xusb_port *port)
-{
-	struct tegra_xusb_usb3_port *usb3 = to_usb3_port(port);
-
-	regulator_put(usb3->supply);
 }
 
 static void __tegra_xusb_remove_ports(struct tegra_xusb_padctl *padctl)

drivers/phy/tegra/xusb.h

···
 
 struct tegra_xusb_usb3_port {
 	struct tegra_xusb_port base;
-	struct regulator *supply;
 	bool context_saved;
 	unsigned int port;
 	bool internal;
···
 tegra_xusb_find_usb3_port(struct tegra_xusb_padctl *padctl,
 			  unsigned int index);
 void tegra_xusb_usb3_port_release(struct tegra_xusb_port *port);
-void tegra_xusb_usb3_port_remove(struct tegra_xusb_port *port);
 
 struct tegra_xusb_port_ops {
 	void (*release)(struct tegra_xusb_port *port);