usb: fix bug Soft Reset HANG

diff --git a/drivers/usb/dwc_otg/dwc_otg_cil.c b/drivers/usb/dwc_otg/dwc_otg_cil.c
index 35e88832a25673c2e628c6efbc4469e143a7b59d..649b76b16a34b009e8896f7580af7174db7f5359 100755 (executable)
--- a/drivers/usb/dwc_otg/dwc_otg_cil.c
+++ b/drivers/usb/dwc_otg/dwc_otg_cil.c
@@ -2960,6 +2960,7 @@ void dwc_otg_core_reset(dwc_otg_core_if_t *_core_if)
                                greset.d32);
                        break;
                }
+               UDELAY(1);
        } 
        while (greset.b.csftrst == 1);