From: Axel Lin <axel.lin@gmail.com>
Date: Thu, 8 Mar 2012 02:05:24 +0000 (+0800)
Subject: regulator: max8649: Use DIV_ROUND_UP macro to calculate selector
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=21c9e5f19ee68632d939f94a90fb33d3e6a111df;p=linux-beck.git

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@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index 636dfd45b758..82505fcb8d43 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;