diff options
Diffstat (limited to 'drivers/usb/serial/kl5kusb105.c')
| -rw-r--r-- | drivers/usb/serial/kl5kusb105.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 769d910..1b4054f 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -341,28 +341,20 @@ static void klsi_105_close(struct usb_serial_port *port) { int rc; - mutex_lock(&port->serial->disc_mutex); - if (!port->serial->disconnected) { - /* send READ_OFF */ - rc = usb_control_msg(port->serial->dev, - usb_sndctrlpipe(port->serial->dev, 0), - KL5KUSB105A_SIO_CONFIGURE, - USB_TYPE_VENDOR | USB_DIR_OUT, - KL5KUSB105A_SIO_CONFIGURE_READ_OFF, - 0, /* index */ - NULL, 0, - KLSI_TIMEOUT); - if (rc < 0) - dev_err(&port->dev, - "Disabling read failed (error = %d)\n", rc); - } - mutex_unlock(&port->serial->disc_mutex); + /* send READ_OFF */ + rc = usb_control_msg(port->serial->dev, + usb_sndctrlpipe(port->serial->dev, 0), + KL5KUSB105A_SIO_CONFIGURE, + USB_TYPE_VENDOR | USB_DIR_OUT, + KL5KUSB105A_SIO_CONFIGURE_READ_OFF, + 0, /* index */ + NULL, 0, + KLSI_TIMEOUT); + if (rc < 0) + dev_err(&port->dev, "failed to disable read: %d\n", rc); /* shutdown our bulk reads and writes */ usb_serial_generic_close(port); - - /* wgg - do I need this? I think so. */ - usb_kill_urb(port->interrupt_in_urb); } /* We need to write a complete 64-byte data block and encode the |