diff options
| -rw-r--r-- | drivers/tty/serial/pch_uart.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index e7d91d973d5..6e96304b7c8 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -656,10 +656,13 @@ static void pch_free_dma(struct uart_port *port) dma_release_channel(priv->chan_rx); priv->chan_rx = NULL; } - if (sg_dma_address(&priv->sg_rx)) - dma_free_coherent(port->dev, port->fifosize, - sg_virt(&priv->sg_rx), - sg_dma_address(&priv->sg_rx)); + + if (priv->rx_buf_dma) { + dma_free_coherent(port->dev, port->fifosize, priv->rx_buf_virt, + priv->rx_buf_dma); + priv->rx_buf_virt = NULL; + priv->rx_buf_dma = 0; + } return; } |