1 files changed, 13 insertions, 2 deletions

diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index 1b09dde068e1..1bfe96f4d045 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -35,7 +35,10 @@ ohci_pci_start (struct usb_hcd *hcd)
         struct ohci_hcd *ohci = hcd_to_ohci (hcd);
         int             ret;
 
-        if(hcd->self.controller && hcd->self.controller->bus == &pci_bus_type) {
+        /* REVISIT this whole block should move to reset(), which handles
+         * all the other one-time init.
+         */
+        if (hcd->self.controller) {
                 struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
 
                 /* AMD 756, for most chips (early revs), corrupts register
@@ -45,7 +48,8 @@ ohci_pci_start (struct usb_hcd *hcd)
                                 && pdev->device == 0x740c) {
                         ohci->flags = OHCI_QUIRK_AMD756;
                         ohci_dbg (ohci, "AMD756 erratum 4 workaround\n");
-                        // also somewhat erratum 10 (suspend/resume issues)
+                        /* also erratum 10 (suspend/resume issues) */
+                        device_init_wakeup(&hcd->self.root_hub->dev, 0);
                 }
 
                 /* FIXME for some of the early AMD 760 southbridges, OHCI
@@ -88,6 +92,13 @@ ohci_pci_start (struct usb_hcd *hcd)
                         ohci_dbg (ohci,
                                 "enabled Compaq ZFMicro chipset quirk\n");
                 }
+
+                /* RWC may not be set for add-in PCI cards, since boot
+                 * firmware probably ignored them.  This transfers PCI
+                 * PM wakeup capabilities (once the PCI layer is fixed).
+                 */
+                if (device_may_wakeup(&pdev->dev))
+                        ohci->hc_control |= OHCI_CTRL_RWC;
         }
 
         /* NOTE: there may have already been a first reset, to