aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/host/xhci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 09987d57934c..5c72c431bab1 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -880,6 +880,10 @@ int xhci_suspend(struct xhci_hcd *xhci)
880 struct usb_hcd *hcd = xhci_to_hcd(xhci); 880 struct usb_hcd *hcd = xhci_to_hcd(xhci);
881 u32 command; 881 u32 command;
882 882
883 if (hcd->state != HC_STATE_SUSPENDED ||
884 xhci->shared_hcd->state != HC_STATE_SUSPENDED)
885 return -EINVAL;
886
883 spin_lock_irq(&xhci->lock); 887 spin_lock_irq(&xhci->lock);
884 clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); 888 clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
885 clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); 889 clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);