regulator: max1586: Use DIV_ROUND_UP macro to calculate selector
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 40e7a4d..282d2ee 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -76,8 +76,8 @@
if (min_uV < max1586->min_uV)
min_uV = max1586->min_uV;
- *selector = ((min_uV - max1586->min_uV) * MAX1586_V3_MAX_VSEL +
- range_uV - 1) / range_uV;
+ *selector = DIV_ROUND_UP((min_uV - max1586->min_uV) *
+ MAX1586_V3_MAX_VSEL, range_uV);
if (max1586_v3_calc_voltage(max1586, *selector) > max_uV)
return -EINVAL;