USB: iuu_phoenix: 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>
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@ -55,7 +55,6 @@ static void read_rxcmd_callback(struct urb *urb);
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struct iuu_private {
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spinlock_t lock; /* store irq state */
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wait_queue_head_t delta_msr_wait;
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u8 line_status;
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int tiostatus; /* store IUART SIGNAL for tiocmget call */
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u8 reset; /* if 1 reset is needed */
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@ -94,7 +93,6 @@ static int iuu_port_probe(struct usb_serial_port *port)
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priv->vcc = vcc_default;
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spin_lock_init(&priv->lock);
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init_waitqueue_head(&priv->delta_msr_wait);
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usb_set_serial_port_data(port, priv);
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