diff options
Diffstat (limited to 'drivers/usb')
-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 7919a411d5f9..ccd88ae011c6 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) | |||
172 | } | 172 | } |
173 | } | 173 | } |
174 | 174 | ||
175 | /* Apparently some devices need a >= 1-uframe delay here */ | ||
176 | if (ehci->bus_suspended) | ||
177 | udelay(150); | ||
178 | |||
175 | /* turn off now-idle HC */ | 179 | /* turn off now-idle HC */ |
176 | ehci_halt (ehci); | 180 | ehci_halt (ehci); |
177 | hcd->state = HC_STATE_SUSPENDED; | 181 | hcd->state = HC_STATE_SUSPENDED; |