usb: dwc2: eliminate irq parameter from dwc2_hcd_init

The irq is available in hsotg already, so there's no need to
pass it as separate function parameter.
Acked-by: NJohn Youn <johnyoun@synopsys.com>
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: NFelipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/dwc2/core.h

@@ -1223,7 +1223,7 @@ static inline void dwc2_hcd_connect(struct dwc2_hsotg *hsotg) {}
 static inline void dwc2_hcd_disconnect(struct dwc2_hsotg *hsotg, bool force) {}
 static inline void dwc2_hcd_start(struct dwc2_hsotg *hsotg) {}
 static inline void dwc2_hcd_remove(struct dwc2_hsotg *hsotg) {}
-static inline int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
+static inline int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
 { return 0; }
 static inline int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg)
 { return 0; }

drivers/usb/dwc2/hcd.c

@@ -5032,7 +5032,7 @@ static void dwc2_hcd_release(struct dwc2_hsotg *hsotg)
  * USB bus with the core and calls the hc_driver->start() function. It returns
  * a negative error on failure.
  */
-int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
+int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
 {
 	struct platform_device *pdev = to_platform_device(hsotg->dev);
 	struct resource *res;
@@ -5240,7 +5240,7 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq)
 	 * allocates the DMA buffer pool, registers the USB bus, requests the
 	 * IRQ line, and calls hcd_start method.
 	 */
-	retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
+	retval = usb_add_hcd(hcd, hsotg->irq, IRQF_SHARED);
 	if (retval < 0)
 		goto error4;
 

drivers/usb/dwc2/hcd.h

@@ -521,7 +521,7 @@ static inline u8 dwc2_hcd_is_pipe_out(struct dwc2_hcd_pipe_info *pipe)
 	return !dwc2_hcd_is_pipe_in(pipe);
 }
 
-int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq);
+int dwc2_hcd_init(struct dwc2_hsotg *hsotg);
 void dwc2_hcd_remove(struct dwc2_hsotg *hsotg);
 
 /* Transaction Execution Functions */

drivers/usb/dwc2/platform.c

@@ -445,7 +445,7 @@ static int dwc2_driver_probe(struct platform_device *dev)
 	}
 
 	if (hsotg->dr_mode != USB_DR_MODE_PERIPHERAL) {
-		retval = dwc2_hcd_init(hsotg, hsotg->irq);
+		retval = dwc2_hcd_init(hsotg);
 		if (retval) {
 			if (hsotg->gadget_enabled)
 				dwc2_hsotg_remove(hsotg);