mfd: Add tps65910 32-kHz-crystal-input init

Replace tps65910_misc_init with a dedicated init function for the
32-kHz-crystal input, and make the code more readable.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/tps65910.c

@@ -68,20 +68,19 @@ static const struct regmap_config tps65910_regmap_config = {
 	.cache_type = REGCACHE_RBTREE,
 };
 
-static int __devinit tps65910_misc_init(struct tps65910 *tps65910,
+static int __devinit tps65910_ck32k_init(struct tps65910 *tps65910,
 					struct tps65910_board *pmic_pdata)
 {
-	struct device *dev = tps65910->dev;
 	int ret;
 
-	if (pmic_pdata->en_ck32k_xtal) {
-		ret = tps65910_reg_clear_bits(tps65910,
-						TPS65910_DEVCTRL,
+	if (!pmic_pdata->en_ck32k_xtal)
+		return 0;
+
+	ret = tps65910_reg_clear_bits(tps65910, TPS65910_DEVCTRL,
 						DEVCTRL_CK32K_CTRL_MASK);
-		if (ret < 0) {
-			dev_err(dev, "clear ck32k_ctrl failed: %d\n", ret);
-			return ret;
-		}
+	if (ret < 0) {
+		dev_err(tps65910->dev, "clear ck32k_ctrl failed: %d\n", ret);
+		return ret;
 	}
 
 	return 0;
@@ -265,7 +264,7 @@ static __devinit int tps65910_i2c_probe(struct i2c_client *i2c,
 	init_data->irq_base = pmic_plat_data->irq_base;
 
 	tps65910_irq_init(tps65910, init_data->irq, init_data);
-	tps65910_misc_init(tps65910, pmic_plat_data);
+	tps65910_ck32k_init(tps65910, pmic_plat_data);
 	tps65910_sleepinit(tps65910, pmic_plat_data);
 
 	return ret;