diff options
| -rw-r--r-- | drivers/tty/serial/mxs-auart.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index eac7b585bc0c..10e9d70b5c40 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -133,7 +133,6 @@ enum mxs_auart_type { struct mxs_auart_port { struct uart_port port; -#define MXS_AUART_DMA_CONFIG 0x1 #define MXS_AUART_DMA_ENABLED 0x2 #define MXS_AUART_DMA_TX_SYNC 2 /* bit 2 */ #define MXS_AUART_DMA_RX_READY 3 /* bit 3 */ @@ -640,7 +639,7 @@ static void mxs_auart_settermios(struct uart_port *u, * we can only implement the DMA support for auart * in mx28. */ - if (is_imx28_auart(s) && (s->flags & MXS_AUART_DMA_CONFIG) + if (is_imx28_auart(s) && test_bit(MXS_AUART_RTSCTS, &s->flags)) { if (!mxs_auart_dma_init(s)) /* enable DMA tranfer */ @@ -1009,8 +1008,6 @@ static int serial_mxs_probe_dt(struct mxs_auart_port *s, } s->port.line = ret; - s->flags |= MXS_AUART_DMA_CONFIG; - if (of_get_property(np, "fsl,uart-has-rtscts", NULL)) set_bit(MXS_AUART_RTSCTS, &s->flags); |