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@@ -341,22 +341,17 @@ static void klsi_105_close(struct usb_serial_port *port)
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{
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int rc;
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- mutex_lock(&port->serial->disc_mutex);
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- if (!port->serial->disconnected) {
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- /* send READ_OFF */
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- rc = usb_control_msg(port->serial->dev,
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- usb_sndctrlpipe(port->serial->dev, 0),
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- KL5KUSB105A_SIO_CONFIGURE,
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- USB_TYPE_VENDOR | USB_DIR_OUT,
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- KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
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- 0, /* index */
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- NULL, 0,
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- KLSI_TIMEOUT);
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- if (rc < 0)
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- dev_err(&port->dev,
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- "Disabling read failed (error = %d)\n", rc);
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- }
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- mutex_unlock(&port->serial->disc_mutex);
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+ /* send READ_OFF */
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+ rc = usb_control_msg(port->serial->dev,
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+ usb_sndctrlpipe(port->serial->dev, 0),
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+ KL5KUSB105A_SIO_CONFIGURE,
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+ USB_TYPE_VENDOR | USB_DIR_OUT,
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+ KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
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+ 0, /* index */
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+ NULL, 0,
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+ KLSI_TIMEOUT);
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+ if (rc < 0)
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+ dev_err(&port->dev, "failed to disable read: %d\n", rc);
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/* shutdown our bulk reads and writes */
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usb_serial_generic_close(port);
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