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>
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 9668647..9594e35 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -88,7 +88,6 @@
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 @@
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 @@
} else {
spin_lock_irqsave(&priv->tx_lock, flags);
priv->tx_outstanding_bytes += count;
- priv->tx_bytes += count;
spin_unlock_irqrestore(&priv->tx_lock, flags);
}