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regulator: arizona-ldo1: Factor out generic initialization 

In preparation for sharing this driver with Madera codecs, factor out
the parts of initialization that aren't dependent on struct arizona.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Richard Fitzgerald 2017-04-18 11:43:54 +01:00 committed by Mark Brown
parent 80a55f41ae
commit af367afafb
1 changed files with 67 additions and 49 deletions
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116
drivers/regulator/arizona-ldo1.c
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@ -234,13 +234,72 @@ static int arizona_ldo1_of_get_pdata(struct arizona_ldo1_pdata *pdata,
return 0;
}
static int arizona_ldo1_common_init(struct platform_device *pdev,
struct arizona_ldo1 *ldo1,
const struct regulator_desc *desc,
struct arizona_ldo1_pdata *pdata,
bool *external_dcvdd)
{
struct device *parent_dev = pdev->dev.parent;
struct regulator_config config = { };
int ret;
*external_dcvdd = false;
ldo1->supply.supply = "DCVDD";
ldo1->init_data.consumer_supplies = &ldo1->supply;
ldo1->supply.dev_name = dev_name(parent_dev);
config.dev = parent_dev;
config.driver_data = ldo1;
config.regmap = ldo1->regmap;
if (IS_ENABLED(CONFIG_OF)) {
if (!dev_get_platdata(parent_dev)) {
ret = arizona_ldo1_of_get_pdata(pdata,
&config, desc,
external_dcvdd);
if (ret < 0)
return ret;
}
}
config.ena_gpio = pdata->ldoena;
if (pdata->init_data)
config.init_data = pdata->init_data;
else
config.init_data = &ldo1->init_data;
/*
* LDO1 can only be used to supply DCVDD so if it has no
* consumers then DCVDD is supplied externally.
*/
if (config.init_data->num_consumer_supplies == 0)
*external_dcvdd = true;
ldo1->regulator = devm_regulator_register(&pdev->dev, desc, &config);
of_node_put(config.of_node);
if (IS_ERR(ldo1->regulator)) {
ret = PTR_ERR(ldo1->regulator);
dev_err(&pdev->dev, "Failed to register LDO1 supply: %d\n",
ret);
return ret;
}
platform_set_drvdata(pdev, ldo1);
return 0;
}
static int arizona_ldo1_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
const struct regulator_desc *desc;
struct regulator_config config = { };
struct arizona_ldo1 *ldo1;
bool external_dcvdd = false;
const struct regulator_desc *desc;
bool external_dcvdd;
int ret;
ldo1 = devm_kzalloc(&pdev->dev, sizeof(*ldo1), GFP_KERNEL);
@ -273,54 +332,13 @@ static int arizona_ldo1_probe(struct platform_device *pdev)
break;
}
ldo1->init_data.consumer_supplies = &ldo1->supply;
ldo1->supply.supply = "DCVDD";
ldo1->supply.dev_name = dev_name(arizona->dev);
config.dev = arizona->dev;
config.driver_data = ldo1;
config.regmap = arizona->regmap;
if (IS_ENABLED(CONFIG_OF)) {
if (!dev_get_platdata(arizona->dev)) {
ret = arizona_ldo1_of_get_pdata(&arizona->pdata.ldo1,
&config, desc,
&external_dcvdd);
if (ret < 0)
return ret;
}
}
config.ena_gpio = arizona->pdata.ldo1.ldoena;
if (arizona->pdata.ldo1.init_data)
config.init_data = arizona->pdata.ldo1.init_data;
else
config.init_data = &ldo1->init_data;
/*
* LDO1 can only be used to supply DCVDD so if it has no
* consumers then DCVDD is supplied externally.
*/
if (config.init_data->num_consumer_supplies == 0)
arizona->external_dcvdd = true;
else
ret = arizona_ldo1_common_init(pdev, ldo1, desc,
&arizona->pdata.ldo1,
&external_dcvdd);
if (ret == 0)
arizona->external_dcvdd = external_dcvdd;
ldo1->regulator = devm_regulator_register(&pdev->dev, desc, &config);
of_node_put(config.of_node);
if (IS_ERR(ldo1->regulator)) {
ret = PTR_ERR(ldo1->regulator);
dev_err(arizona->dev, "Failed to register LDO1 supply: %d\n",
ret);
return ret;
}
platform_set_drvdata(pdev, ldo1);
return 0;
return ret;
}
static struct platform_driver arizona_ldo1_driver = {