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path: root/drivers/usb/host/ehci-pci.c
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Diffstat (limited to 'drivers/usb/host/ehci-pci.c')
-rw-r--r--drivers/usb/host/ehci-pci.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index cadffacd945..6967ab71e28 100644
--- 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);