linux-kernel - [PATCH] regulator: max8649: Use DIV_ROUND

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Date:	Thu, 08 Mar 2012 10:05:24 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Jonghwan Choi <jhbird.choi@...il.com>,
	Haojian Zhuang <haojian.zhuang@...vell.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>
Subject: [PATCH] regulator: max8649: Use DIV_ROUND_UP macro to calculate
 selector

Use DIV_ROUND_UP macro for better readability.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/max8649.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index f724644..824c650 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -101,8 +101,7 @@ static int max8649_set_voltage(struct regulator_dev *rdev,
 			min_uV, max_uV);
 		return -EINVAL;
 	}
-	data = (min_uV - MAX8649_DCDC_VMIN + MAX8649_DCDC_STEP - 1)
-		/ MAX8649_DCDC_STEP;
+	data = DIV_ROUND_UP(min_uV - MAX8649_DCDC_VMIN, MAX8649_DCDC_STEP);
 	mask = MAX8649_VOL_MASK;
 	*selector = data & mask;
 
-- 
1.7.5.4



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