diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index 340ee99652eb855359bf24faf9cc627988a97fe4..1d510bdc9b84a176655240d447dac97c1323ba8b 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1057,6 +1057,8 @@ static int stir421x_fw_upload(struct irda_usb_cb *self,
 
 		if (ret < 0)
 			break;
+
+		mdelay(10);
 	}
 
 	kfree(patch_block);