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USB: iuu_phoenix: remove unused MSR-wait queue

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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 12:37:11 +01:00 committed by Greg Kroah-Hartman
parent 48ee580138
commit 09b0e39575
1 changed files with 0 additions and 2 deletions
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2
drivers/usb/serial/iuu_phoenix.c
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@ -55,7 +55,6 @@ static void read_rxcmd_callback(struct urb *urb);
struct iuu_private {
spinlock_t lock; /* store irq state */
wait_queue_head_t delta_msr_wait;
u8 line_status;
int tiostatus; /* store IUART SIGNAL for tiocmget call */
u8 reset; /* if 1 reset is needed */
@ -94,7 +93,6 @@ static int iuu_port_probe(struct usb_serial_port *port)
priv->vcc = vcc_default;
spin_lock_init(&priv->lock);
init_waitqueue_head(&priv->delta_msr_wait);
usb_set_serial_port_data(port, priv);