mfd: max8997: Use "IS_ENABLED(CONFIG_OF)" for DT code.

Instead of "#if define CONFIG_OF" use "IS_ENABLED(CONFIG_OF)"
option for DT code to avoid if-deffery in code.

Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 2 insertions, 12 deletions

diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index 10141698ff94..be88a3bf7b85 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -133,7 +133,6 @@ int max8997_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask)
 }
 EXPORT_SYMBOL_GPL(max8997_update_reg);
 
-#ifdef CONFIG_OF
 /*
  * Only the common platform data elements for max8997 are parsed here from the
  * device tree. Other sub-modules of max8997 such as pmic, rtc and others have
@@ -164,24 +163,15 @@ static struct max8997_platform_data *max8997_i2c_parse_dt_pdata(
 
         return pd;
 }
-#else
-static struct max8997_platform_data *max8997_i2c_parse_dt_pdata(
-                                        struct device *dev)
-{
-        return 0;
-}
-#endif
 
 static inline int max8997_i2c_get_driver_data(struct i2c_client *i2c,
                                                 const struct i2c_device_id *id)
 {
-#ifdef CONFIG_OF
-        if (i2c->dev.of_node) {
+        if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node) {
                 const struct of_device_id *match;
                 match = of_match_node(max8997_pmic_dt_match, i2c->dev.of_node);
                 return (int)match->data;
         }
-#endif
         return (int)id->driver_data;
 }
 
@@ -203,7 +193,7 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
         max8997->type = max8997_i2c_get_driver_data(i2c, id);
         max8997->irq = i2c->irq;
 
-        if (max8997->dev->of_node) {
+        if (IS_ENABLED(CONFIG_OF) && max8997->dev->of_node) {
                 pdata = max8997_i2c_parse_dt_pdata(max8997->dev);
                 if (IS_ERR(pdata))
                         return PTR_ERR(pdata);