diff options
Diffstat (limited to 'drivers/usb/serial/symbolserial.c')
-rw-r--r-- | drivers/usb/serial/symbolserial.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index 8b3cbc87adc7..69879e437940 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) |