regulator: wm8400: 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>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c
index 706f39563a7b..8477153780b6 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;