Remove unused rx_byte counter which is never exposed as noted by Alan
Cox.
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
---
drivers/usb/serial/ftdi_sio.c | 13 -------------
1 files changed, 0 insertions(+), 13 deletions(-)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 0ac2c2f..bfb23d6 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -81,7 +81,6 @@ struct ftdi_private {
struct delayed_work rx_work;
struct usb_serial_port *port;
int rx_processed;
- unsigned long rx_bytes;
__u16 interface; /* FT2232C, FT2232H or FT4232H port interface
(0 for FT232/245) */
@@ -1699,9 +1698,6 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
spin_lock_irqsave(&priv->tx_lock, flags);
priv->tx_bytes = 0;
spin_unlock_irqrestore(&priv->tx_lock, flags);
- spin_lock_irqsave(&priv->rx_lock, flags);
- priv->rx_bytes = 0;
- spin_unlock_irqrestore(&priv->rx_lock, flags);
write_latency_timer(port);
@@ -2014,8 +2010,6 @@ static void ftdi_read_bulk_callback(struct urb *urb)
struct usb_serial_port *port = urb->context;
struct tty_struct *tty;
struct ftdi_private *priv;
- unsigned long countread;
- unsigned long flags;
int status = urb->status;
if (urb->number_of_packets > 0) {
@@ -2054,13 +2048,6 @@ static void ftdi_read_bulk_callback(struct urb *urb)
goto out;
}
- /* count data bytes, but not status bytes */
- countread = urb->actual_length;
- countread -= 2 * DIV_ROUND_UP(countread, priv->max_packet_size);
- spin_lock_irqsave(&priv->rx_lock, flags);
- priv->rx_bytes += countread;
- spin_unlock_irqrestore(&priv->rx_lock, flags);
-
ftdi_process_read(&priv->rx_work.work);
out:
tty_kref_put(tty);
--
1.6.5.rc2
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