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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: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-03-21 12:37:04 +01:00 committed by Greg Kroah-Hartman
parent c648e94ebf
commit a7fa57742e
1 changed files with 0 additions and 3 deletions
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3
drivers/usb/serial/digi_acceleport.c
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@ -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);