diff --git a/drivers/usb/dwc3/dwc3-msm.c b/drivers/usb/dwc3/dwc3-msm.c
index 6944bfad19b9..a2c536cb0cd4 100644
--- a/drivers/usb/dwc3/dwc3-msm.c
+++ b/drivers/usb/dwc3/dwc3-msm.c
@@ -2482,12 +2482,14 @@ static void dwc3_msm_notify_event(struct dwc3 *dwc,
 		break;
 	case DWC3_CONTROLLER_NOTIFY_CLEAR_DB:
 		dev_dbg(mdwc->dev, "DWC3_CONTROLLER_NOTIFY_CLEAR_DB\n");
-		dwc3_msm_write_reg_field(mdwc->base,
-			GSI_GENERAL_CFG_REG(mdwc->gsi_reg),
-			BLOCK_GSI_WR_GO_MASK, true);
-		dwc3_msm_write_reg_field(mdwc->base,
-			GSI_GENERAL_CFG_REG(mdwc->gsi_reg),
-			GSI_EN_MASK, 0);
+		if (mdwc->gsi_reg) {
+			dwc3_msm_write_reg_field(mdwc->base,
+				GSI_GENERAL_CFG_REG(mdwc->gsi_reg),
+				BLOCK_GSI_WR_GO_MASK, true);
+			dwc3_msm_write_reg_field(mdwc->base,
+				GSI_GENERAL_CFG_REG(mdwc->gsi_reg),
+				GSI_EN_MASK, 0);
+		}
 		break;
 	default:
 		dev_dbg(mdwc->dev, "unknown dwc3 event\n");