tty: serial: omap: remove some dead code

nobody passes a DTR_gpio to this driver, so
this code is not necessary.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index b46aaf33f35e144903ca7281cc2801c4a23a85dd..66546828a8d2a35ebacd775c65cc3fffd6bdcab5 100644 (file)
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -163,10 +163,6 @@ struct uart_omap_port {
        u8                      wakeups_enabled;
        u32                     features;
 
-       int                     DTR_gpio;
-       int                     DTR_inverted;
-       int                     DTR_active;
-
        struct serial_rs485     rs485;
        int                     rts_gpio;
 
@@ -694,16 +690,6 @@ static void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl)
        serial_out(up, UART_MCR, up->mcr);
        pm_runtime_mark_last_busy(up->dev);
        pm_runtime_put_autosuspend(up->dev);
-
-       if (gpio_is_valid(up->DTR_gpio) &&
-           !!(mctrl & TIOCM_DTR) != up->DTR_active) {
-               up->DTR_active = !up->DTR_active;
-               if (gpio_cansleep(up->DTR_gpio))
-                       schedule_work(&up->qos_work);
-               else
-                       gpio_set_value(up->DTR_gpio,
-                                      up->DTR_active != up->DTR_inverted);
-       }
 }
 
 static void serial_omap_break_ctl(struct uart_port *port, int break_state)
@@ -847,9 +833,6 @@ static void serial_omap_uart_qos_work(struct work_struct *work)
                                                qos_work);
 
        pm_qos_update_request(&up->pm_qos_request, up->latency);
-       if (gpio_is_valid(up->DTR_gpio))
-               gpio_set_value_cansleep(up->DTR_gpio,
-                                       up->DTR_active != up->DTR_inverted);
 }
 
 static void
@@ -1672,28 +1655,6 @@ static int serial_omap_probe(struct platform_device *pdev)
        if (IS_ERR(base))
                return PTR_ERR(base);
 
-       if (gpio_is_valid(omap_up_info->DTR_gpio) &&
-           omap_up_info->DTR_present) {
-               ret = devm_gpio_request(&pdev->dev, omap_up_info->DTR_gpio,
-                               "omap-serial");
-               if (ret < 0)
-                       return ret;
-               ret = gpio_direction_output(omap_up_info->DTR_gpio,
-                                           omap_up_info->DTR_inverted);
-               if (ret < 0)
-                       return ret;
-       }
-
-       if (gpio_is_valid(omap_up_info->DTR_gpio) &&
-           omap_up_info->DTR_present) {
-               up->DTR_gpio = omap_up_info->DTR_gpio;
-               up->DTR_inverted = omap_up_info->DTR_inverted;
-       } else {
-               up->DTR_gpio = -EINVAL;
-       }
-
-       up->DTR_active = 0;
-
        up->dev = &pdev->dev;
        up->port.dev = &pdev->dev;
        up->port.type = PORT_OMAP;