staging: comedi: ni_labpc_common: use DIV_ROUND_UP to round divisor values
Use the DIV_ROUND_UP macro to clarify the (((n) + (d) - 1) / (d)) calculations.
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>
diff --git a/drivers/staging/comedi/drivers/ni_labpc_common.c b/drivers/staging/comedi/drivers/ni_labpc_common.c
index 3cd200a..c494c53 100644
--- a/drivers/staging/comedi/drivers/ni_labpc_common.c
+++ b/drivers/staging/comedi/drivers/ni_labpc_common.c
@@ -406,10 +406,10 @@
(scan_period + (base_period / 2)) / base_period;
break;
case CMDF_ROUND_UP:
- devpriv->divisor_a0 =
- (convert_period + (base_period - 1)) / base_period;
- devpriv->divisor_b1 =
- (scan_period + (base_period - 1)) / base_period;
+ devpriv->divisor_a0 = DIV_ROUND_UP(convert_period,
+ base_period);
+ devpriv->divisor_b1 = DIV_ROUND_UP(scan_period,
+ base_period);
break;
case CMDF_ROUND_DOWN:
devpriv->divisor_a0 = convert_period / base_period;