diff options
| -rw-r--r-- | drivers/usb/dwc2/hcd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 093b1717df01..92848629cc61 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -4387,6 +4387,16 @@ static int _dwc2_hcd_suspend(struct usb_hcd *hcd) clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); break; case DWC2_POWER_DOWN_PARAM_HIBERNATION: + /* Enter hibernation */ + spin_unlock_irqrestore(&hsotg->lock, flags); + ret = dwc2_enter_hibernation(hsotg, 1); + if (ret) + dev_err(hsotg->dev, "enter hibernation failed\n"); + spin_lock_irqsave(&hsotg->lock, flags); + + /* After entering suspend, hardware is not accessible */ + clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + break; case DWC2_POWER_DOWN_PARAM_NONE: /* * If not hibernation nor partial power down are supported, |