usb: dwc2: eliminate irq parameter from dwc2_gadget_init

The irq is available in hsotg already, so there's no need to pass it as
separate function parameter.

Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/dwc2/core.h

@@ -1180,7 +1180,7 @@ void dwc2_dump_global_registers(struct dwc2_hsotg *hsotg);
 int dwc2_hsotg_remove(struct dwc2_hsotg *hsotg);
 int dwc2_hsotg_suspend(struct dwc2_hsotg *dwc2);
 int dwc2_hsotg_resume(struct dwc2_hsotg *dwc2);
-int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq);
+int dwc2_gadget_init(struct dwc2_hsotg *hsotg);
 void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *dwc2,
 				       bool reset);
 void dwc2_hsotg_core_connect(struct dwc2_hsotg *hsotg);
@@ -1199,7 +1199,7 @@ static inline int dwc2_hsotg_suspend(struct dwc2_hsotg *dwc2)
 { return 0; }
 static inline int dwc2_hsotg_resume(struct dwc2_hsotg *dwc2)
 { return 0; }
-static inline int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
+static inline int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
 { return 0; }
 static inline void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *dwc2,
 						     bool reset) {}

drivers/usb/dwc2/gadget.c

@@ -4606,9 +4606,8 @@ static void dwc2_hsotg_dump(struct dwc2_hsotg *hsotg)
 /**
  * dwc2_gadget_init - init function for gadget
  * @dwc2: The data structure for the DWC2 driver.
- * @irq: The IRQ number for the controller.
  */
-int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
+int dwc2_gadget_init(struct dwc2_hsotg *hsotg)
 {
 	struct device *dev = hsotg->dev;
 	int epnum;
@@ -4649,8 +4648,8 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
 			return ret;
 	}
 
-	ret = devm_request_irq(hsotg->dev, irq, dwc2_hsotg_irq, IRQF_SHARED,
-			       dev_name(hsotg->dev), hsotg);
+	ret = devm_request_irq(hsotg->dev, hsotg->irq, dwc2_hsotg_irq,
+			       IRQF_SHARED, dev_name(hsotg->dev), hsotg);
 	if (ret < 0) {
 		dev_err(dev, "cannot claim IRQ for gadget\n");
 		return ret;

drivers/usb/dwc2/platform.c

@@ -439,7 +439,7 @@ static int dwc2_driver_probe(struct platform_device *dev)
 		goto error;
 
 	if (hsotg->dr_mode != USB_DR_MODE_HOST) {
-		retval = dwc2_gadget_init(hsotg, hsotg->irq);
+		retval = dwc2_gadget_init(hsotg);
 		if (retval)
 			goto error;
 		hsotg->gadget_enabled = 1;