regulator: ad5398: Use DIV_ROUND_UP macro to calculate selector

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 483c80930852..26d23adfc66f 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -94,8 +94,8 @@ static int ad5398_set_current_limit(struct regulator_dev *rdev, int min_uA, int
         if (max_uA > chip->max_uA || max_uA < chip->min_uA)
                 return -EINVAL;
 
-        selector = ((min_uA - chip->min_uA) * chip->current_level +
-                        range_uA - 1) / range_uA;
+        selector = DIV_ROUND_UP((min_uA - chip->min_uA) * chip->current_level,
+                                range_uA);
         if (ad5398_calc_current(chip, selector) > max_uA)
                 return -EINVAL;