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 <jhov...@gmail.com>
---
drivers/usb/serial/digi_acceleport.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/usb/serial/digi_acceleport.c
b/drivers/usb/serial/digi_acceleport.c
index 76a8c20..32873b4 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -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);
--
1.8.1.5
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