USB: ti_usb_3410_5052: remove unused wait queue

The write wait queue is never added to since commit f1175daa5 ("USB:
ti_usb_3410_5052: kill custom closing_wait"). Remove it completely.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index d2c6196..f3e21f5 100644 (file)
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -69,7 +69,6 @@ struct ti_port {
        __u8                    tp_uart_mode;   /* 232 or 485 modes */
        unsigned int            tp_uart_base_addr;
        int                     tp_flags;
-       wait_queue_head_t       tp_write_wait;
        struct ti_device        *tp_tdev;
        struct usb_serial_port  *tp_port;
        spinlock_t              tp_lock;
@@ -427,7 +426,6 @@ static int ti_port_probe(struct usb_serial_port *port)
        else
                tport->tp_uart_base_addr = TI_UART2_BASE_ADDR;
        port->port.closing_wait = msecs_to_jiffies(10 * closing_wait);
-       init_waitqueue_head(&tport->tp_write_wait);
        tport->tp_port = port;
        tport->tp_tdev = usb_get_serial_data(port->serial);
        tport->tp_uart_mode = 0;        /* default is RS232 */
@@ -1082,13 +1080,11 @@ static void ti_bulk_in_callback(struct urb *urb)
        case -ESHUTDOWN:
                dev_dbg(dev, "%s - urb shutting down, %d\n", __func__, status);
                tport->tp_tdev->td_urb_error = 1;
-               wake_up_interruptible(&tport->tp_write_wait);
                return;
        default:
                dev_err(dev, "%s - nonzero urb status, %d\n",
                        __func__, status);
                tport->tp_tdev->td_urb_error = 1;
-               wake_up_interruptible(&tport->tp_write_wait);
        }
 
        if (status == -EPIPE)
@@ -1144,13 +1140,11 @@ static void ti_bulk_out_callback(struct urb *urb)
        case -ESHUTDOWN:
                dev_dbg(&port->dev, "%s - urb shutting down, %d\n", __func__, status);
                tport->tp_tdev->td_urb_error = 1;
-               wake_up_interruptible(&tport->tp_write_wait);
                return;
        default:
                dev_err_console(port, "%s - nonzero urb status, %d\n",
                        __func__, status);
                tport->tp_tdev->td_urb_error = 1;
-               wake_up_interruptible(&tport->tp_write_wait);
        }
 
        /* send any buffered data */
@@ -1224,7 +1218,6 @@ static void ti_send(struct ti_port *tport)
        /* more room in the buffer for new writes, wakeup */
        tty_port_tty_wakeup(&port->port);
 
-       wake_up_interruptible(&tport->tp_write_wait);
        return;
 unlock:
        spin_unlock_irqrestore(&tport->tp_lock, flags);