The MXS_AUART_DMA_CONFIG is originally used to check if the DT node
is configured with the DMA property.
But now, the MXS_AUART_DMA_CONFIG is set unconditionally in the
serial_mxs_probe_dt(), so the check in the mxs_auart_settermios() is
not necessary anymore. This patch removes this macro.
Signed-off-by: Huang Shijie <shijie8@xxxxxxxxx>
---
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 eac7b58..10e9d70 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);
--
1.7.4.4
--
To unsubscribe from this list: send the line "unsubscribe linux-serial" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
