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Commit a7fa5774 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: digi_acceleport: remove unused MSR-wait queue 



Remove unused, private modem-status wait queue from driver. If
TIOCMIWAIT is ever implemented it must not rely on a private wait queue
which may have been released when woken up.

Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c648e94e

drivers/usb/serial/digi_acceleport.c

+0 −3
Original line number Diff line number Diff line
@@ -196,7 +196,6 @@ struct digi_port { 
	unsigned char dp_out_buf[DIGI_OUT_BUF_SIZE];

	int dp_write_urb_in_use;

	unsigned int dp_modem_signals;

	wait_queue_head_t dp_modem_change_wait;

	int dp_transmit_idle;

	wait_queue_head_t dp_transmit_idle_wait;

	int dp_throttled;
@@ -1250,7 +1249,6 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num) 


	spin_lock_init(&priv->dp_port_lock);

	priv->dp_port_num = port_num;

	init_waitqueue_head(&priv->dp_modem_change_wait);

	init_waitqueue_head(&priv->dp_transmit_idle_wait);

	init_waitqueue_head(&priv->dp_flush_wait);

	init_waitqueue_head(&priv->dp_close_wait);
@@ -1541,7 +1539,6 @@ static int digi_read_oob_callback(struct urb *urb) 
			else

				priv->dp_modem_signals &= ~TIOCM_CD;



			wake_up_interruptible(&priv->dp_modem_change_wait);

			spin_unlock(&priv->dp_port_lock);

		} else if (opcode == DIGI_CMD_TRANSMIT_IDLE) {

			spin_lock(&priv->dp_port_lock);