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authorH Hartley Sweeten <hsweeten@visionengravers.com>2013-04-22 18:36:11 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-23 10:41:51 -0700
commit264601c231c9c9dec3da2c665c0b9cbec11d8c9e (patch)
tree7f7fccaaf0224c15ad965d59b07d6d51e72434b2 /drivers/staging
parent57d1ebf795a3cdde46ee30e4ad77b4ae02fa1569 (diff)
downloadlinux-264601c231c9c9dec3da2c665c0b9cbec11d8c9e.tar.bz2
staging: comedi: das800: remove extra divisor calculation call
The comedi core always calls the (*do_cmdtest) function before it calls the (*do_cmd) function. The divisors were already calculated in das800_ai_do_cmdtest(), it is not necessary to calculate them again in das800_ai_do_cmd(). 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>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/comedi/drivers/das800.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c
index 642eae46a4ee..b68c74106117 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -453,11 +453,6 @@ static int das800_ai_do_cmd(struct comedi_device *dev,
case TRIG_TIMER:
conv_bits |= CASC | ITE;
/* set conversion frequency */
- i8253_cascade_ns_to_timer_2div(TIMER_BASE, &(devpriv->divisor1),
- &(devpriv->divisor2),
- &(async->cmd.convert_arg),
- async->cmd.
- flags & TRIG_ROUND_MASK);
if (das800_set_frequency(dev) < 0) {
comedi_error(dev, "Error setting up counters");
return -1;