regulator: core: Use a struct to pass in regulator runtime configuration

Rather than adding new arguments to regulator_register() every time we
want to add a new bit of dynamic information at runtime change the function
to take these via a struct. By doing this we avoid needing to do further
changes like the recent addition of device tree support which required each
regulator driver to be updated to take an additional parameter.

The regulator_desc which should (mostly) be static data is still passed
separately as most drivers are able to configure this statically at build
time.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/regulator/ad5398.c b/drivers/regulator/ad5398.c
index 9ba69c431da8..46d05f38baf8 100644
--- a/drivers/regulator/ad5398.c
+++ b/drivers/regulator/ad5398.c
@@ -212,6 +212,7 @@ static int __devinit ad5398_probe(struct i2c_client *client,
                                 const struct i2c_device_id *id)
 {
         struct regulator_init_data *init_data = client->dev.platform_data;
+        struct regulator_config config = { };
         struct ad5398_chip_info *chip;
         const struct ad5398_current_data_format *df =
                         (struct ad5398_current_data_format *)id->driver_data;
@@ -224,6 +225,10 @@ static int __devinit ad5398_probe(struct i2c_client *client,
         if (!chip)
                 return -ENOMEM;
 
+        config.dev = &client->dev;
+        config.init_data = init_data;
+        config.driver_data = chip;
+
         chip->client = client;
 
         chip->min_uA = df->min_uA;
@@ -232,8 +237,7 @@ static int __devinit ad5398_probe(struct i2c_client *client,
         chip->current_offset = df->current_offset;
         chip->current_mask = (chip->current_level - 1) << chip->current_offset;
 
-        chip->rdev = regulator_register(&ad5398_reg, &client->dev,
-                                        init_data, chip, NULL);
+        chip->rdev = regulator_register(&ad5398_reg, &config);
         if (IS_ERR(chip->rdev)) {
                 ret = PTR_ERR(chip->rdev);
                 dev_err(&client->dev, "failed to register %s %s\n",