[PATCH 2/2] regulator: wm8400: Use DIV_ROUND_UP macro to calculate selector

Axel Lin
2012-03-06T01:56:11Z

Use DIV_ROUND_UP macro for better readability.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/regulator/wm8400-regulator.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c
index 706f395..8477153 100644
--- a/drivers/regulator/wm8400-regulator.c
+++ b/drivers/regulator/wm8400-regulator.c
@@ -78,14 +78,14 @@ static int wm8400_ldo_set_voltage(struct regulator_dev *dev,

if (min_uV < 1700000) {
/* Steps of 50mV from 900mV; */
- val = (min_uV - 850001) / 50000;
+ val = DIV_ROUND_UP(min_uV - 900000, 50000);

if ((val * 50000) + 900000 > max_uV)
return -EINVAL;
BUG_ON((val * 50000) + 900000 < min_uV);
} else {
/* Steps of 100mV from 1700mV */
- val = ((min_uV - 1600001) / 100000);
+ val = DIV_ROUND_UP(min_uV - 1700000, 100000);

if ((val * 100000) + 1700000 > max_uV)
return -EINVAL;
@@ -168,7 +168,7 @@ static int wm8400_dcdc_set_voltage(struct regulator_dev *dev,
if (min_uV < 850000)
return -EINVAL;

- val = (min_uV - 825001) / 25000;
+ val = DIV_ROUND_UP(min_uV - 850000, 25000);

if (850000 + (25000 * val) > max_uV)
return -EINVAL;
--
1.7.5.4