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authorJohan Hovold <jhovold@gmail.com>2010-02-25 20:18:13 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-02 14:55:20 -0800
commit04b922c41710d770460c4663f69eabb0bf670be9 (patch)
tree62f0c212f8aba078fb4208f57869651928ec3b37 /drivers/usb/serial/ftdi_sio.c
parent019ccc73201e933fe7d8119c90a812d347e325f9 (diff)
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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>
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r--drivers/usb/serial/ftdi_sio.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 96686471472..9594e357a91 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);
}