diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
-rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index ffc79eea963..9979d4920a3 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1184,7 +1184,6 @@ static int read_latency_timer(struct usb_serial_port *port) unsigned short latency = 0; int rv = 0; - dbg("%s", __func__); rv = usb_control_msg(udev, @@ -1197,8 +1196,9 @@ static int read_latency_timer(struct usb_serial_port *port) if (rv < 0) { dev_err(&port->dev, "Unable to read latency timer: %i\n", rv); return -EIO; - } - return latency; + } else + priv->latency = latency; + return rv; } static int get_serial_info(struct usb_serial_port *port, @@ -1584,7 +1584,8 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port) ftdi_determine_type(port); ftdi_set_max_packet_size(port); - read_latency_timer(port); + if (read_latency_timer(port) < 0) + priv->latency = 16; create_sysfs_attrs(port); return 0; } |