From: H Hartley Sweeten <hsweeten@visionengravers.com>
Date: Fri, 25 Sep 2015 00:52:11 +0000 (-0700)
Subject: staging: comedi: rtd520: use DIV_ROUND_CLOSEST and DIV_ROUND_UP macros
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=da6877732d4d6f7264a6e719ddf50852bd33137a;p=linux-beck.git

staging: comedi: rtd520: use DIV_ROUND_CLOSEST and DIV_ROUND_UP macros

Use the macros to clarify the divisor 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/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index e23a7b990513..96c419374c9d 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)