1 files changed, 4 insertions, 19 deletions

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 7754053deeda..53d59e9b944a 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Driver for OMAP-UART controller.
  * Based on drivers/serial/8250.c
@@ -8,11 +9,6 @@
  *      Govindraj R     <govindraj.raja@ti.com>
  *      Thara Gopinath  <thara@ti.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
  * Note: This driver is made separate from 8250 driver as we cannot
  * over load 8250 driver with omap platform specific configuration for
  * features like DMA, it makes easier to implement features like DMA and
@@ -610,7 +606,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id)
                 default:
                         break;
                 }
-        } while (!(iir & UART_IIR_NO_INT) && max_count--);
+        } while (max_count--);
 
         spin_unlock(&up->port.lock);
 
@@ -693,7 +689,7 @@ static void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl)
         if ((mctrl & TIOCM_RTS) && (port->status & UPSTAT_AUTORTS))
                 up->efr |= UART_EFR_RTS;
         else
-                up->efr &= UART_EFR_RTS;
+                up->efr &= ~UART_EFR_RTS;
         serial_out(up, UART_EFR, up->efr);
         serial_out(up, UART_LCR, lcr);
 
@@ -1606,7 +1602,6 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up,
                                    struct device_node *np)
 {
         struct serial_rs485 *rs485conf = &up->port.rs485;
-        u32 rs485_delay[2];
         enum of_gpio_flags flags;
         int ret;
 
@@ -1637,17 +1632,7 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up,
                 up->rts_gpio = -EINVAL;
         }
 
-        if (of_property_read_u32_array(np, "rs485-rts-delay",
-                                    rs485_delay, 2) == 0) {
-                rs485conf->delay_rts_before_send = rs485_delay[0];
-                rs485conf->delay_rts_after_send = rs485_delay[1];
-        }
-
-        if (of_property_read_bool(np, "rs485-rx-during-tx"))
-                rs485conf->flags |= SER_RS485_RX_DURING_TX;
-
-        if (of_property_read_bool(np, "linux,rs485-enabled-at-boot-time"))
-                rs485conf->flags |= SER_RS485_ENABLED;
+        of_get_rs485_mode(np, rs485conf);
 
         return 0;
 }