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path: root/drivers/tty/serial/atmel_serial.c
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Diffstat (limited to 'drivers/tty/serial/atmel_serial.c')
-rw-r--r--drivers/tty/serial/atmel_serial.c16
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 4a0f86fa1e90..4c823f341d98 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -228,7 +228,7 @@ void atmel_config_rs485(struct uart_port *port, struct serial_rs485 *rs485conf)
228 if (rs485conf->flags & SER_RS485_ENABLED) { 228 if (rs485conf->flags & SER_RS485_ENABLED) {
229 dev_dbg(port->dev, "Setting UART to RS485\n"); 229 dev_dbg(port->dev, "Setting UART to RS485\n");
230 atmel_port->tx_done_mask = ATMEL_US_TXEMPTY; 230 atmel_port->tx_done_mask = ATMEL_US_TXEMPTY;
231 if (rs485conf->flags & SER_RS485_RTS_AFTER_SEND) 231 if ((rs485conf->delay_rts_after_send) > 0)
232 UART_PUT_TTGR(port, rs485conf->delay_rts_after_send); 232 UART_PUT_TTGR(port, rs485conf->delay_rts_after_send);
233 mode |= ATMEL_US_USMODE_RS485; 233 mode |= ATMEL_US_USMODE_RS485;
234 } else { 234 } else {
@@ -304,7 +304,7 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl)
304 304
305 if (atmel_port->rs485.flags & SER_RS485_ENABLED) { 305 if (atmel_port->rs485.flags & SER_RS485_ENABLED) {
306 dev_dbg(port->dev, "Setting UART to RS485\n"); 306 dev_dbg(port->dev, "Setting UART to RS485\n");
307 if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND) 307 if ((atmel_port->rs485.delay_rts_after_send) > 0)
308 UART_PUT_TTGR(port, 308 UART_PUT_TTGR(port,
309 atmel_port->rs485.delay_rts_after_send); 309 atmel_port->rs485.delay_rts_after_send);
310 mode |= ATMEL_US_USMODE_RS485; 310 mode |= ATMEL_US_USMODE_RS485;
@@ -1228,7 +1228,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
1228 1228
1229 if (atmel_port->rs485.flags & SER_RS485_ENABLED) { 1229 if (atmel_port->rs485.flags & SER_RS485_ENABLED) {
1230 dev_dbg(port->dev, "Setting UART to RS485\n"); 1230 dev_dbg(port->dev, "Setting UART to RS485\n");
1231 if (atmel_port->rs485.flags & SER_RS485_RTS_AFTER_SEND) 1231 if ((atmel_port->rs485.delay_rts_after_send) > 0)
1232 UART_PUT_TTGR(port, 1232 UART_PUT_TTGR(port,
1233 atmel_port->rs485.delay_rts_after_send); 1233 atmel_port->rs485.delay_rts_after_send);
1234 mode |= ATMEL_US_USMODE_RS485; 1234 mode |= ATMEL_US_USMODE_RS485;
@@ -1447,16 +1447,6 @@ static void __devinit atmel_of_init_port(struct atmel_uart_port *atmel_port,
1447 rs485conf->delay_rts_after_send = rs485_delay[1]; 1447 rs485conf->delay_rts_after_send = rs485_delay[1];
1448 rs485conf->flags = 0; 1448 rs485conf->flags = 0;
1449 1449
1450 if (rs485conf->delay_rts_before_send == 0 &&
1451 rs485conf->delay_rts_after_send == 0) {
1452 rs485conf->flags |= SER_RS485_RTS_ON_SEND;
1453 } else {
1454 if (rs485conf->delay_rts_before_send)
1455 rs485conf->flags |= SER_RS485_RTS_BEFORE_SEND;
1456 if (rs485conf->delay_rts_after_send)
1457 rs485conf->flags |= SER_RS485_RTS_AFTER_SEND;
1458 }
1459
1460 if (of_get_property(np, "rs485-rx-during-tx", NULL)) 1450 if (of_get_property(np, "rs485-rx-during-tx", NULL))
1461 rs485conf->flags |= SER_RS485_RX_DURING_TX; 1451 rs485conf->flags |= SER_RS485_RX_DURING_TX;
1462 1452