[PATCH v2 11/12] staging: comedi: rtd520: use DIV_ROUND_CLOSEST and DIV_ROUND_UP macros

[H Hartley Sweeten]

Use the macros to clarify the divisor calculations.

Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 drivers/staging/comedi/drivers/rtd520.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index e23a7b9..96c4193 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -392,13 +392,13 @@ static int rtd_ns_to_timer_base(unsigned int *nanosec,
 	switch (flags & CMDF_ROUND_MASK) {
 	case CMDF_ROUND_NEAREST:
 	default:
-		divider = (*nanosec + base / 2) / base;
+		divider = DIV_ROUND_CLOSEST(*nanosec, base);
 		break;
 	case CMDF_ROUND_DOWN:
 		divider = (*nanosec) / base;
 		break;
 	case CMDF_ROUND_UP:
-		divider = (*nanosec + base - 1) / base;
+		divider = DIV_ROUND_UP(*nanosec, base);
 		break;
 	}
 	if (divider < 2)
-- 
2.5.1