usb: phy: omap-usb2: remove *set_suspend* callback from omap-usb2

Now that omap-usb2 is adapted to the new generic PHY framework,
*set_suspend* ops can be removed from omap-usb2 driver.
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Acked-by: NFelipe Balbi <balbi@ti.com>
Reviewed-by: NSylwester Nawrocki <s.nawrocki@samsung.com>

drivers/phy/phy-omap-usb2.c

@@ -98,28 +98,6 @@ static int omap_usb_set_peripheral(struct usb_otg *otg,
 	return 0;
 }
 
-static int omap_usb2_suspend(struct usb_phy *x, int suspend)
-{
-	struct omap_usb *phy = phy_to_omapusb(x);
-	int ret;
-
-	if (suspend && !phy->is_suspended) {
-		omap_control_usb_phy_power(phy->control_dev, 0);
-		pm_runtime_put_sync(phy->dev);
-		phy->is_suspended = 1;
-	} else if (!suspend && phy->is_suspended) {
-		ret = pm_runtime_get_sync(phy->dev);
-		if (ret < 0) {
-			dev_err(phy->dev, "get_sync failed with err %d\n", ret);
-			return ret;
-		}
-		omap_control_usb_phy_power(phy->control_dev, 1);
-		phy->is_suspended = 0;
-	}
-
-	return 0;
-}
-
 static int omap_usb_power_off(struct phy *x)
 {
 	struct omap_usb *phy = phy_get_drvdata(x);
@@ -173,7 +151,6 @@ static int omap_usb2_probe(struct platform_device *pdev)
 
 	phy->phy.dev		= phy->dev;
 	phy->phy.label		= "omap-usb2";
-	phy->phy.set_suspend	= omap_usb2_suspend;
 	phy->phy.otg		= otg;
 	phy->phy.type		= USB_PHY_TYPE_USB2;
 
@@ -190,8 +167,6 @@ static int omap_usb2_probe(struct platform_device *pdev)
 	}
 
 	phy->control_dev = &control_pdev->dev;
-
-	phy->is_suspended	= 1;
 	omap_control_usb_phy_power(phy->control_dev, 0);
 
 	otg->set_host		= omap_usb_set_host;