--- zzzz-none-000/linux-3.10.107/drivers/usb/host/uhci-grlib.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/usb/host/uhci-grlib.c	2021-02-04 17:41:59.000000000 +0000
@@ -17,6 +17,7 @@
  * (C) Copyright 2004-2007 Alan Stern, stern@rowland.harvard.edu
  */
 
+#include <linux/device.h>
 #include <linux/of_irq.h>
 #include <linux/of_address.h>
 #include <linux/of_platform.h>
@@ -113,24 +114,17 @@
 	hcd->rsrc_start = res.start;
 	hcd->rsrc_len = resource_size(&res);
 
-	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
-		rv = -EBUSY;
-		goto err_rmr;
-	}
-
 	irq = irq_of_parse_and_map(dn, 0);
 	if (irq == NO_IRQ) {
 		printk(KERN_ERR "%s: irq_of_parse_and_map failed\n", __FILE__);
 		rv = -EBUSY;
-		goto err_irq;
+		goto err_usb;
 	}
 
-	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-	if (!hcd->regs) {
-		printk(KERN_ERR "%s: ioremap failed\n", __FILE__);
-		rv = -ENOMEM;
-		goto err_ioremap;
+	hcd->regs = devm_ioremap_resource(&op->dev, &res);
+	if (IS_ERR(hcd->regs)) {
+		rv = PTR_ERR(hcd->regs);
+		goto err_irq;
 	}
 
 	uhci = hcd_to_uhci(hcd);
@@ -139,17 +133,14 @@
 
 	rv = usb_add_hcd(hcd, irq, 0);
 	if (rv)
-		goto err_uhci;
+		goto err_irq;
 
+	device_wakeup_enable(hcd->self.controller);
 	return 0;
 
-err_uhci:
-	iounmap(hcd->regs);
-err_ioremap:
-	irq_dispose_mapping(irq);
 err_irq:
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err_rmr:
+	irq_dispose_mapping(irq);
+err_usb:
 	usb_put_hcd(hcd);
 
 	return rv;
@@ -157,18 +148,13 @@
 
 static int uhci_hcd_grlib_remove(struct platform_device *op)
 {
-	struct usb_hcd *hcd = dev_get_drvdata(&op->dev);
-
-	dev_set_drvdata(&op->dev, NULL);
+	struct usb_hcd *hcd = platform_get_drvdata(op);
 
 	dev_dbg(&op->dev, "stopping GRLIB GRUSBHC UHCI USB Controller\n");
 
 	usb_remove_hcd(hcd);
 
-	iounmap(hcd->regs);
 	irq_dispose_mapping(hcd->irq);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-
 	usb_put_hcd(hcd);
 
 	return 0;
@@ -183,7 +169,7 @@
  */
 static void uhci_hcd_grlib_shutdown(struct platform_device *op)
 {
-	struct usb_hcd *hcd = dev_get_drvdata(&op->dev);
+	struct usb_hcd *hcd = platform_get_drvdata(op);
 
 	uhci_hc_died(hcd_to_uhci(hcd));
 }
@@ -202,7 +188,6 @@
 	.shutdown	= uhci_hcd_grlib_shutdown,
 	.driver = {
 		.name = "grlib-uhci",
-		.owner = THIS_MODULE,
 		.of_match_table = uhci_hcd_grlib_of_match,
 	},
 };