Merge branch 'core/softlockup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6] / drivers / usb / host / ohci-pci.c

diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index 40b62a35fd3c66fc2e27d0a3921989ccfed71738..4696cc912e16203540a5185568a27e02bb7c15e2 100644 (file)
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -238,42 +238,6 @@ static int __devinit ohci_pci_start (struct usb_hcd *hcd)
        return ret;
 }
 
-#if    defined(CONFIG_USB_PERSIST) && (defined(CONFIG_USB_EHCI_HCD) || \
-               defined(CONFIG_USB_EHCI_HCD_MODULE))
-
-/* Following a power loss, we must prepare to regain control of the ports
- * we used to own.  This means turning on the port power before ehci-hcd
- * tries to switch ownership.
- *
- * This isn't a 100% perfect solution.  On most systems the OHCI controllers
- * lie at lower PCI addresses than the EHCI controller, so they will be
- * discovered (and hence resumed) first.  But there is no guarantee things
- * will always work this way.  If the EHCI controller is resumed first and
- * the OHCI ports are unpowered, then the handover will fail.
- */
-static void prepare_for_handover(struct usb_hcd *hcd)
-{
-       struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-       int             port;
-
-       /* Here we "know" root ports should always stay powered */
-       ohci_dbg(ohci, "powerup ports\n");
-       for (port = 0; port < ohci->num_ports; port++)
-               ohci_writel(ohci, RH_PS_PPS,
-                               &ohci->regs->roothub.portstatus[port]);
-
-       /* Flush those writes */
-       ohci_readl(ohci, &ohci->regs->control);
-       msleep(20);
-}
-
-#else
-
-static inline void prepare_for_handover(struct usb_hcd *hcd)
-{ }
-
-#endif /* CONFIG_USB_PERSIST etc. */
-
 #ifdef CONFIG_PM
 
 static int ohci_pci_suspend (struct usb_hcd *hcd, pm_message_t message)
@@ -312,13 +276,8 @@ static int ohci_pci_suspend (struct usb_hcd *hcd, pm_message_t message)
 
 static int ohci_pci_resume (struct usb_hcd *hcd)
 {
-       struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-
        set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-
-       /* FIXME: we should try to detect loss of VBUS power here */
-       prepare_for_handover(hcd);
-       ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrenable);
+       ohci_finish_controller_resume(hcd);
        return 0;
 }