USB: ftdi_sio: remove unused tx_bytes counter

Remove counter that is never exported.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Johan Hovold 2010-02-25 20:18:13 +01:00 committed by Greg Kroah-Hartman
parent 019ccc7320
commit 04b922c417

View File

@ -88,7 +88,6 @@ struct ftdi_private {
unsigned int latency; /* latency setting in use */
spinlock_t tx_lock; /* spinlock for transmit state */
unsigned long tx_bytes;
unsigned long tx_outstanding_bytes;
unsigned long tx_outstanding_urbs;
unsigned short max_packet_size;
@ -1729,10 +1728,6 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
dbg("%s", __func__);
spin_lock_irqsave(&priv->tx_lock, flags);
priv->tx_bytes = 0;
spin_unlock_irqrestore(&priv->tx_lock, flags);
write_latency_timer(port);
/* No error checking for this (will get errors later anyway) */
@ -1917,7 +1912,6 @@ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
} else {
spin_lock_irqsave(&priv->tx_lock, flags);
priv->tx_outstanding_bytes += count;
priv->tx_bytes += count;
spin_unlock_irqrestore(&priv->tx_lock, flags);
}