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path: root/drivers/usb/serial/symbolserial.c
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Diffstat (limited to 'drivers/usb/serial/symbolserial.c')
-rw-r--r--drivers/usb/serial/symbolserial.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c
index 8b3cbc87adc..69879e43794 100644
--- a/drivers/usb/serial/symbolserial.c
+++ b/drivers/usb/serial/symbolserial.c
@@ -139,14 +139,6 @@ static int symbol_open(struct tty_struct *tty, struct usb_serial_port *port,
priv->port = port;
spin_unlock_irqrestore(&priv->lock, flags);
- /*
- * Force low_latency on so that our tty_push actually forces the data
- * through, otherwise it is scheduled, and with high data rates (like
- * with OHCI) data can get lost.
- */
- if (tty)
- tty->low_latency = 1;
-
/* Start reading from the device */
usb_fill_int_urb(priv->int_urb, priv->udev,
usb_rcvintpipe(priv->udev, priv->int_address),
@@ -205,62 +197,6 @@ static void symbol_unthrottle(struct tty_struct *tty)
__func__, result);
}
-static int symbol_ioctl(struct tty_struct *tty, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct device *dev = &port->dev;
-
- /*
- * Right now we need to figure out what commands
- * most userspace tools want to see for this driver,
- * so just log the things.
- */
- switch (cmd) {
- case TIOCSERGETLSR:
- dev_info(dev, "%s: TIOCSERGETLSR\n", __func__);
- break;
-
- case TIOCGSERIAL:
- dev_info(dev, "%s: TIOCGSERIAL\n", __func__);
- break;
-
- case TIOCMIWAIT:
- dev_info(dev, "%s: TIOCMIWAIT\n", __func__);
- break;
-
- case TIOCGICOUNT:
- dev_info(dev, "%s: TIOCGICOUNT\n", __func__);
- break;
- default:
- dev_info(dev, "%s: unknown (%d)\n", __func__, cmd);
- }
- return -ENOIOCTLCMD;
-}
-
-static int symbol_tiocmget(struct tty_struct *tty, struct file *file)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct device *dev = &port->dev;
-
- /* TODO */
- /* probably just need to shadow whatever was sent to us here */
- dev_info(dev, "%s\n", __func__);
- return 0;
-}
-
-static int symbol_tiocmset(struct tty_struct *tty, struct file *file,
- unsigned int set, unsigned int clear)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct device *dev = &port->dev;
-
- /* TODO */
- /* probably just need to shadow whatever was sent to us here */
- dev_info(dev, "%s\n", __func__);
- return 0;
-}
-
static int symbol_startup(struct usb_serial *serial)
{
struct symbol_private *priv;
@@ -367,9 +303,6 @@ static struct usb_serial_driver symbol_device = {
.shutdown = symbol_shutdown,
.throttle = symbol_throttle,
.unthrottle = symbol_unthrottle,
- .ioctl = symbol_ioctl,
- .tiocmget = symbol_tiocmget,
- .tiocmset = symbol_tiocmset,
};
static int __init symbol_init(void)