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Diffstat (limited to 'drivers/usb/host/hwa-hc.c')
| -rw-r--r-- | drivers/usb/host/hwa-hc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c index 483990c716aa..5b86ffb88f1c 100644 --- a/drivers/usb/host/hwa-hc.c +++ b/drivers/usb/host/hwa-hc.c @@ -161,6 +161,13 @@ static int hwahc_op_start(struct usb_hcd *usb_hcd) usb_hcd->uses_new_polling = 1; set_bit(HCD_FLAG_POLL_RH, &usb_hcd->flags); usb_hcd->state = HC_STATE_RUNNING; + + /* + * prevent USB core from suspending the root hub since + * bus_suspend and bus_resume are not yet supported. + */ + pm_runtime_get_noresume(&usb_hcd->self.root_hub->dev); + result = 0; out: mutex_unlock(&wusbhc->mutex); |