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authorIngo Molnar <mingo@kernel.org>2018-03-19 20:37:35 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-19 20:37:35 +0100
commit134933e55789ece9bca973d3502c7b8f7a9dae86 (patch)
treeb1694310855e43acb5fceb8b2d55ec8cd713ccad /drivers/usb/host/xhci.c
parent24868367cdcac447232ebcb2aa06e1bf91291586 (diff)
parentc698ca5278934c0ae32297a8725ced2e27585d7f (diff)
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Merge tag 'v4.16-rc6' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 25d4b748a56f..5d37700ae4b0 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -877,6 +877,9 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
clear_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
del_timer_sync(&xhci->shared_hcd->rh_timer);
+ if (xhci->quirks & XHCI_SUSPEND_DELAY)
+ usleep_range(1000, 1500);
+
spin_lock_irq(&xhci->lock);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags);