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>
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 8eeefe3..1ccf9e4 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -55,7 +55,6 @@
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 @@
priv->vcc = vcc_default;
spin_lock_init(&priv->lock);
- init_waitqueue_head(&priv->delta_msr_wait);
usb_set_serial_port_data(port, priv);