xhci: use default USB_RESUME_TIMEOUT when resuming ports.

USB2 host inititated resume, and system suspend bus resume
need to use the same USB_RESUME_TIMEOUT as elsewhere.

This resolves a device disconnect issue at system resume seen
on Intel Braswell and Apollolake, but is in no way limited to
those platforms.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index c047362..0ef1690 100644 (file)
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1166,7 +1166,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                                xhci_set_link_state(xhci, port_array, wIndex,
                                                        XDEV_RESUME);
                                spin_unlock_irqrestore(&xhci->lock, flags);
-                               msleep(20);
+                               msleep(USB_RESUME_TIMEOUT);
                                spin_lock_irqsave(&xhci->lock, flags);
                                xhci_set_link_state(xhci, port_array, wIndex,
                                                        XDEV_U0);
@@ -1447,7 +1447,7 @@ int xhci_bus_resume(struct usb_hcd *hcd)
 
        if (need_usb2_u3_exit) {
                spin_unlock_irqrestore(&xhci->lock, flags);
-               msleep(20);
+               msleep(USB_RESUME_TIMEOUT);
                spin_lock_irqsave(&xhci->lock, flags);
        }