From 04b922c41710d770460c4663f69eabb0bf670be9 Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Thu, 25 Feb 2010 20:18:13 +0100 Subject: USB: ftdi_sio: remove unused tx_bytes counter Remove counter that is never exported. Signed-off-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/ftdi_sio.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'drivers') diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 96686471472d..9594e357a914 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -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); } -- cgit v1.2.2