diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 4b26252c2885..ee84f89391ca 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1976,12 +1976,14 @@ static int sci_startup(struct uart_port *port)
 
 	dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);
 
-	ret = sci_request_irq(s);
-	if (unlikely(ret < 0))
-		return ret;
-
 	sci_request_dma(port);
 
+	ret = sci_request_irq(s);
+	if (unlikely(ret < 0)) {
+		sci_free_dma(port);
+		return ret;
+	}
+
 	return 0;
 }
 
@@ -2012,8 +2014,8 @@ static void sci_shutdown(struct uart_port *port)
 	}
 #endif
 
-	sci_free_dma(port);
 	sci_free_irq(s);
+	sci_free_dma(port);
 }
 
 static int sci_sck_calc(struct sci_port *s, unsigned int bps,