usb: isp1760: Move removal cleanup code to isp1760-hcd.c

The removal cleanup code is duplicated between the different bus glues.
Move it to a central location.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

drivers/usb/host/isp1760-hcd.c

@@ -2263,6 +2263,16 @@ struct usb_hcd *isp1760_register(phys_addr_t res_start, resource_size_t res_len,
 	 return ERR_PTR(ret);
 }
 
+void isp1760_unregister(struct device *dev)
+{
+	struct usb_hcd *hcd = dev_get_drvdata(dev);
+
+	usb_remove_hcd(hcd);
+	iounmap(hcd->regs);
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+	usb_put_hcd(hcd);
+}
+
 MODULE_DESCRIPTION("Driver for the ISP1760 USB-controller from NXP");
 MODULE_AUTHOR("Sebastian Siewior <bigeasy@linuxtronix.de>");
 MODULE_LICENSE("GPL v2");

drivers/usb/host/isp1760-hcd.h

@@ -6,6 +6,8 @@ struct usb_hcd *isp1760_register(phys_addr_t res_start, resource_size_t res_len,
 				 int irq, unsigned long irqflags,
 				 struct device *dev, const char *busname,
 				 unsigned int devflags);
+void isp1760_unregister(struct device *dev);
+
 int init_kmem_once(void);
 void deinit_kmem_cache(void);
 

drivers/usb/host/isp1760-if.c

@@ -160,14 +160,7 @@ static int isp1761_pci_probe(struct pci_dev *dev,
 
 static void isp1761_pci_remove(struct pci_dev *dev)
 {
-	struct usb_hcd *hcd;
-
-	hcd = pci_get_drvdata(dev);
-
-	usb_remove_hcd(hcd);
-	iounmap(hcd->regs);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-	usb_put_hcd(hcd);
+	isp1760_unregister(&dev->dev);
 
 	pci_disable_device(dev);
 }
@@ -291,12 +284,7 @@ static int isp1760_plat_probe(struct platform_device *pdev)
 
 static int isp1760_plat_remove(struct platform_device *pdev)
 {
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-	usb_remove_hcd(hcd);
-	iounmap(hcd->regs);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-	usb_put_hcd(hcd);
+	isp1760_unregister(&pdev->dev);
 
 	return 0;
 }