regulator: twl-regulator: Use DIV_ROUND_UP at appropriate places

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

drivers/regulator/twl-regulator.c

@@ -787,11 +787,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
 			vsel = 0;
 		else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
 			int calc_uV;
-			vsel = (min_uV - 600000) / 125;
-			if (vsel % 100)
-				vsel += 100;
-			vsel /= 100;
-			vsel++;
+			vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
 			calc_uV = twl6030smps_list_voltage(rdev, vsel);
 			if (calc_uV > max_uV)
 				return -EINVAL;
@@ -817,11 +813,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
 			vsel = 0;
 		else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
 			int calc_uV;
-			vsel = (min_uV - 700000) / 125;
-			if (vsel % 100)
-				vsel += 100;
-			vsel /= 100;
-			vsel++;
+			vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
 			calc_uV = twl6030smps_list_voltage(rdev, vsel);
 			if (calc_uV > max_uV)
 				return -EINVAL;
@@ -845,24 +837,14 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
 	case SMPS_EXTENDED_EN:
 		if (min_uV == 0)
 			vsel = 0;
-		else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
-			vsel = (min_uV - 1852000) / 386;
-			if (vsel % 100)
-				vsel += 100;
-			vsel /= 100;
-			vsel++;
-		}
+		else if ((min_uV >= 1852000) && (max_uV <= 4013600))
+			vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
 		break;
 	case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
 		if (min_uV == 0)
 			vsel = 0;
-		else if ((min_uV >= 2161000) && (max_uV <= 4321000)) {
-			vsel = (min_uV - 2161000) / 386;
-			if (vsel % 100)
-				vsel += 100;
-			vsel /= 100;
-			vsel++;
-		}
+		else if ((min_uV >= 2161000) && (max_uV <= 4321000))
+			vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
 		break;
 	}