diff --git a/[refs] b/[refs]
index 4b224f521eec..55052cb58e8b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b882fc1b03d46e67ffe06133f4f4532db6e8dd0d
+refs/heads/master: 6c4b47d243112e98811ce0da7bbb32cc3857dd1a
diff --git a/trunk/drivers/tty/serial/pch_uart.c b/trunk/drivers/tty/serial/pch_uart.c
index 846dfcd3ce0d..b46218d679e2 100644
--- a/trunk/drivers/tty/serial/pch_uart.c
+++ b/trunk/drivers/tty/serial/pch_uart.c
@@ -598,7 +598,8 @@ static void pch_request_dma(struct uart_port *port)
 	dma_cap_zero(mask);
 	dma_cap_set(DMA_SLAVE, mask);
 
-	dma_dev = pci_get_bus_and_slot(2, PCI_DEVFN(0xa, 0)); /* Get DMA's dev
+	dma_dev = pci_get_bus_and_slot(priv->pdev->bus->number,
+				       PCI_DEVFN(0xa, 0)); /* Get DMA's dev
 								information */
 	/* Set Tx DMA */
 	param = &priv->param_tx;