diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 9f39b15e7605897002b416f84a25a6a994b0e821..65e1af5e491aae3b57cffb67ef55949ee482305d 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -382,8 +382,10 @@ static int dwc2_driver_probe(struct platform_device *dev)
 	if (!dev->dev.dma_mask)
 		dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
 	retval = dma_set_coherent_mask(&dev->dev, DMA_BIT_MASK(32));
-	if (retval)
+	if (retval) {
+		dev_err(&dev->dev, "can't set coherent DMA mask: %d\n", retval);
 		return retval;
+	}
 
 	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	hsotg->regs = devm_ioremap_resource(&dev->dev, res);