regulator: Remove MAX8997_REG_BUCK1DVS/MAX8997_REG_BUCK2DVS/MAX8997_REG_BUCK5DVS macros

In current implementation, the original macro implementation assumes the caller
pass the parameter starting from 1 (to match the register names in datasheet).
Thus we have unneeded plus one then minus one operations
when using MAX8997_REG_BUCK1DVS/MAX8997_REG_BUCK2DVS/MAX8997_REG_BUCK5DVS macros.

This patch removes these macros to avoid unneeded plus one then minus one operations
without reducing readability.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

drivers/regulator/max8997.c

@@ -1032,11 +1032,11 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
 
 	/* For the safety, set max voltage before setting up */
 	for (i = 0; i < 8; i++) {
-		max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS(i + 1),
+		max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS1 + i,
 				max_buck1, 0x3f);
-		max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS(i + 1),
+		max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS1 + i,
 				max_buck2, 0x3f);
-		max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS(i + 1),
+		max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS1 + i,
 				max_buck5, 0x3f);
 	}
 
@@ -1113,13 +1113,13 @@ static __devinit int max8997_pmic_probe(struct platform_device *pdev)
 
 	/* Initialize all the DVS related BUCK registers */
 	for (i = 0; i < 8; i++) {
-		max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS(i + 1),
+		max8997_update_reg(i2c, MAX8997_REG_BUCK1DVS1 + i,
 				max8997->buck1_vol[i],
 				0x3f);
-		max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS(i + 1),
+		max8997_update_reg(i2c, MAX8997_REG_BUCK2DVS1 + i,
 				max8997->buck2_vol[i],
 				0x3f);
-		max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS(i + 1),
+		max8997_update_reg(i2c, MAX8997_REG_BUCK5DVS1 + i,
 				max8997->buck5_vol[i],
 				0x3f);
 	}

include/linux/mfd/max8997-private.h

@@ -311,10 +311,6 @@ enum max8997_irq {
 	MAX8997_IRQ_NR,
 };
 
-#define MAX8997_REG_BUCK1DVS(x)	(MAX8997_REG_BUCK1DVS1 + (x) - 1)
-#define MAX8997_REG_BUCK2DVS(x)	(MAX8997_REG_BUCK2DVS1 + (x) - 1)
-#define MAX8997_REG_BUCK5DVS(x)	(MAX8997_REG_BUCK5DVS1 + (x) - 1)
-
 #define MAX8997_NUM_GPIO	12
 struct max8997_dev {
 	struct device *dev;