1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index 19ae2595f1c3..6af6add3d4c0 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -435,6 +435,18 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)
                         /* Restart the Phy Clock */
                         pcgcctl &= ~PCGCTL_STOPPCLK;
                         dwc2_writel(hsotg, pcgcctl, PCGCTL);
+
+                        /*
+                         * If we've got this quirk then the PHY is stuck upon
+                         * wakeup.  Assert reset.  This will propagate out and
+                         * eventually we'll re-enumerate the device.  Not great
+                         * but the best we can do.  We can't call phy_reset()
+                         * at interrupt time but there's no hurry, so we'll
+                         * schedule it for later.
+                         */
+                        if (hsotg->reset_phy_on_wake)
+                                dwc2_host_schedule_phy_reset(hsotg);
+
                         mod_timer(&hsotg->wkp_timer,
                                   jiffies + msecs_to_jiffies(71));
                 } else {