UPSTREAM: usb: dwc2: Add extra delay when forcing dr_mode

[firefly-linux-kernel-4.4.55.git] / drivers / usb / dwc2 / core.c

diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c
index e991d55914db649804a6357821f42e78355e6e5b..46c4ba75dc2afdb744bd32fbf047949ff50ec1fd 100644 (file)
--- a/drivers/usb/dwc2/core.c
+++ b/drivers/usb/dwc2/core.c
@@ -619,6 +619,12 @@ void dwc2_force_dr_mode(struct dwc2_hsotg *hsotg)
                         __func__, hsotg->dr_mode);
                break;
        }
+
+       /*
+        * NOTE: This is required for some rockchip soc based
+        * platforms.
+        */
+       msleep(50);
 }
 
 /*