staging: comedi: pcmmio: 'stop_count' is always 'stop_arg'
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Tue, 9 Sep 2014 23:15:54 +0000 (16:15 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 11 Sep 2014 21:35:21 +0000 (14:35 -0700)
When the cmd->stop_src == TRIG_COUNT, the 'stop_count' is the cmd->stop_arg.
For any other stop_src the 'stop_count' is 0, which is also the cmd->stop_arg.

Simplify the 'stop_count' initialization.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/comedi/drivers/pcmmio.c

index 67b66baf49ba4ebeeccb90f21cfc769add3e1c93..244cadf0b13dee95916f7bdd95c1ad7bba92151d 100644 (file)
@@ -488,11 +488,7 @@ static int pcmmio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
        spin_lock_irqsave(&devpriv->spinlock, flags);
        devpriv->active = 1;
 
-       /* Set up end of acquisition. */
-       if (cmd->stop_src == TRIG_COUNT)
-               devpriv->stop_count = cmd->stop_arg;
-       else    /* TRIG_NONE */
-               devpriv->stop_count = 0;
+       devpriv->stop_count = cmd->stop_arg;
 
        /* Set up start of acquisition. */
        if (cmd->start_src == TRIG_INT)