diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c
index 771453c1bb13b4a514c3589aabf20e5a383bad4d..83592b51a99662bc46e163fc09359b0f6f7a0ad6 100644
--- a/drivers/tty/serial/8250/8250_mid.c
+++ b/drivers/tty/serial/8250/8250_mid.c
@@ -312,11 +312,9 @@ static int mid8250_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (!uart.port.membase)
 		return -ENOMEM;
 
-	if (mid->board->setup) {
-		ret = mid->board->setup(mid, &uart.port);
-		if (ret)
-			return ret;
-	}
+	ret = mid->board->setup(mid, &uart.port);
+	if (ret)
+		return ret;
 
 	ret = mid8250_dma_setup(mid, &uart);
 	if (ret)