--- zzzz-none-000/linux-3.10.107/drivers/usb/host/uhci-pci.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/usb/host/uhci-pci.c	2021-02-04 17:41:59.000000000 +0000
@@ -166,6 +166,8 @@
 
 #ifdef CONFIG_PM
 
+static int uhci_pci_resume(struct usb_hcd *hcd, bool hibernated);
+
 static int uhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
 {
 	struct uhci_hcd *uhci = hcd_to_uhci(hcd);
@@ -178,12 +180,6 @@
 	if (!HCD_HW_ACCESSIBLE(hcd) || uhci->dead)
 		goto done_okay;		/* Already suspended or dead */
 
-	if (uhci->rh_state > UHCI_RH_SUSPENDED) {
-		dev_warn(uhci_dev(uhci), "Root hub isn't suspended!\n");
-		rc = -EBUSY;
-		goto done;
-	};
-
 	/* All PCI host controllers are required to disable IRQ generation
 	 * at the source, so we must turn off PIRQ.
 	 */
@@ -199,8 +195,15 @@
 
 done_okay:
 	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-done:
 	spin_unlock_irq(&uhci->lock);
+
+	synchronize_irq(hcd->irq);
+
+	/* Check for race with a wakeup request */
+	if (do_wakeup && HCD_WAKEUP_PENDING(hcd)) {
+		uhci_pci_resume(hcd, false);
+		rc = -EBUSY;
+	}
 	return rc;
 }
 
@@ -280,7 +283,7 @@
 	.hub_control =		uhci_hub_control,
 };
 
-static DEFINE_PCI_DEVICE_TABLE(uhci_pci_ids) = { {
+static const struct pci_device_id uhci_pci_ids[] = { {
 	/* handle any USB UHCI controller */
 	PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_UHCI, ~0),
 	.driver_data =	(unsigned long) &uhci_driver,
@@ -303,3 +306,5 @@
 	},
 #endif
 };
+
+MODULE_SOFTDEP("pre: ehci_pci");