PM: USB HCDs use PM_EVENT_PRETHAW

[linux-2.6-omap-h63xx.git] / drivers / usb / host / ehci-pci.c

diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index cadffacd945b9d392ab93a96663b7233865ed918..6967ab71e28281d8330395e14d3bf55af9a9ea84 100644 (file)
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -238,6 +238,12 @@ static int ehci_pci_suspend(struct usb_hcd *hcd, pm_message_t message)
        writel (0, &ehci->regs->intr_enable);
        (void)readl(&ehci->regs->intr_enable);
 
+       /* make sure snapshot being resumed re-enumerates everything */
+       if (message.event == PM_EVENT_PRETHAW) {
+               ehci_halt(ehci);
+               ehci_reset(ehci);
+       }
+
        clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
  bail:
        spin_unlock_irqrestore (&ehci->lock, flags);