diff options
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
| -rw-r--r-- | drivers/usb/host/ehci-hub.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 7919a411d5f..ccd88ae011c 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -172,6 +172,10 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) } } + /* Apparently some devices need a >= 1-uframe delay here */ + if (ehci->bus_suspended) + udelay(150); + /* turn off now-idle HC */ ehci_halt (ehci); hcd->state = HC_STATE_SUSPENDED; |