diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-10-29 10:56:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-30 13:19:32 -0700 |
| commit | 755b6040fa62eab9d9105359cd5884910eef2df4 (patch) | |
| tree | 5c2e9dab8120c301516b663d1fae5101b19d71b4 /drivers/usb/serial/ftdi_sio.c | |
| parent | 428d9988557f0f26047af304cf1f3d130b06ed4d (diff) | |
| download | linux-755b6040fa62eab9d9105359cd5884910eef2df4.tar.bz2 | |
USB: ftdi_sio: use generic chars_in_buffer
Use generic chars_in_buffer rather than copying it's implementation.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 06b5d75dffc6..9fe3a2e965ad 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -2093,16 +2093,11 @@ static int ftdi_chars_in_buffer(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; struct ftdi_private *priv = usb_get_serial_port_data(port); - unsigned long flags; int chars; unsigned char *buf; int ret; - /* Check software buffer (code from - * usb_serial_generic_chars_in_buffer()) */ - spin_lock_irqsave(&port->lock, flags); - chars = kfifo_len(&port->write_fifo) + port->tx_bytes; - spin_unlock_irqrestore(&port->lock, flags); + chars = usb_serial_generic_chars_in_buffer(tty); /* Check hardware buffer */ switch (priv->chip_type) { |