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 it.
Signed-off-by: Huang Shijie <b32955@xxxxxxxxxxxxx>
---
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 4f5f161..465ef0b 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -134,7 +134,6 @@ 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)) {
if (!mxs_auart_dma_init(s))
/* enable DMA tranfer */
ctrl2 |= AUART_CTRL2_TXDMAE | AUART_CTRL2_RXDMAE
@@ -1002,8 +1001,6 @@ static int serial_mxs_probe_dt(struct mxs_auart_port *s,
}
s->port.line = ret;
- s->flags |= MXS_AUART_DMA_CONFIG;
-
return 0;
}
--
1.7.1
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