diff options
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 5a528b8985052..4345aa422eed4 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1384,6 +1384,8 @@ static void sci_tx_dma_release(struct sci_port *s, bool enable_pio) s->chan_tx = NULL; s->cookie_tx = -EINVAL; + dma_unmap_single(chan->device->dev, s->tx_dma_addr, UART_XMIT_SIZE, + DMA_TO_DEVICE); dma_release_channel(chan); if (enable_pio) sci_start_tx(port); |