diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index a5312e4b6393500a1c36a0b61de577da13919c04..987c05665e626f26a5a6ad5e92d8e79eaa930c45 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -410,7 +410,7 @@ static void tegra_uart_tx_dma_complete(void *args)
 	unsigned long flags;
 	unsigned int count;
 
-	dmaengine_tx_status(tup->tx_dma_chan, tup->rx_cookie, &state);
+	dmaengine_tx_status(tup->tx_dma_chan, tup->tx_cookie, &state);
 	count = tup->tx_bytes_requested - state.residue;
 	async_tx_ack(tup->tx_dma_desc);
 	spin_lock_irqsave(&tup->uport.lock, flags);