diff options
Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r-- | drivers/usb/host/xhci.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 747c5ea..aa94c01 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -799,7 +799,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) u32 command, temp = 0; struct usb_hcd *hcd = xhci_to_hcd(xhci); struct usb_hcd *secondary_hcd; - int retval; + int retval = 0; /* Wait a bit if either of the roothubs need to settle from the * transition into bus suspend. @@ -809,6 +809,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) xhci->bus_state[1].next_statechange)) msleep(100); + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); + spin_lock_irq(&xhci->lock); if (xhci->quirks & XHCI_RESET_ON_RESUME) hibernated = true; @@ -878,20 +881,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) return retval; xhci_dbg(xhci, "Start the primary HCD\n"); retval = xhci_run(hcd->primary_hcd); - if (retval) - goto failed_restart; - - xhci_dbg(xhci, "Start the secondary HCD\n"); - retval = xhci_run(secondary_hcd); if (!retval) { - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - set_bit(HCD_FLAG_HW_ACCESSIBLE, - &xhci->shared_hcd->flags); + xhci_dbg(xhci, "Start the secondary HCD\n"); + retval = xhci_run(secondary_hcd); } -failed_restart: hcd->state = HC_STATE_SUSPENDED; xhci->shared_hcd->state = HC_STATE_SUSPENDED; - return retval; + goto done; } /* step 4: set Run/Stop bit */ @@ -910,11 +906,14 @@ failed_restart: * Running endpoints by ringing their doorbells */ - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); - spin_unlock_irq(&xhci->lock); - return 0; + + done: + if (retval == 0) { + usb_hcd_resume_root_hub(hcd); + usb_hcd_resume_root_hub(xhci->shared_hcd); + } + return retval; } #endif /* CONFIG_PM */ |