diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/amba-pl011.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 6d8552506091..6b9deb4211b5 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1044,6 +1044,9 @@ static void pl011_dma_rx_callback(void *data) */ static inline void pl011_dma_rx_stop(struct uart_amba_port *uap) { + if (!uap->using_rx_dma) + return; + /* FIXME. Just disable the DMA enable */ uap->dmacr &= ~UART011_RXDMAE; pl011_write(uap->dmacr, uap, REG_DMACR); |