diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | 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 0ac2c2f540c..bfb23d64bc6 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); |