Use regulator core's simplified DT parsing code to simply the driver
implementation. With this conversion, also move the NULL test against pdata
in act8865_get_regulator_data() to the caller. This makes it clear the
code path to explicitly set init_data is for non-DT case only.
Signed-off-by: Axel Lin <axel....@ingics.com>
---
drivers/regulator/act8865-regulator.c | 143 ++++----------------------
1 file changed, 19 insertions(+), 124 deletions(-)
diff --git a/drivers/regulator/act8865-regulator.c
b/drivers/regulator/act8865-regulator.c
index e0239cf3f56d..af8f201e67d7 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -245,6 +245,8 @@ static struct regulator_ops act8865_ldo_ops = {
#define ACT88xx_REG(_name, _family, _id, _vsel_reg, _supply) \
[_family##_ID_##_id] = { \
.name = _name, \
+ .of_match = of_match_ptr(_name), \
+ .regulators_node = of_match_ptr("regulators"), \
.supply_name = _supply, \
.id = _family##_ID_##_id, \
.type = REGULATOR_VOLTAGE, \
@@ -265,6 +267,8 @@ static const struct regulator_desc act8600_regulators[] = {
ACT88xx_REG("DCDC3", ACT8600, DCDC3, VSET, "vp3"),
{
.name = "SUDCDC_REG4",
+ .of_match = of_match_ptr("SUDCDC_REG4"),
+ .regulators_node = of_match_ptr("regulators"),
.id = ACT8600_ID_SUDCDC4,
.ops = &act8865_ops,
.type = REGULATOR_VOLTAGE,
@@ -283,6 +287,8 @@ static const struct regulator_desc act8600_regulators[] = {
ACT88xx_REG("LDO8", ACT8600, LDO8, VSET, "inl"),
{
.name = "LDO_REG9",
+ .of_match = of_match_ptr("LDO_REG9"),
+ .regulators_node = of_match_ptr("regulators"),
.id = ACT8600_ID_LDO9,
.ops = &act8865_ldo_ops,
.type = REGULATOR_VOLTAGE,
@@ -294,6 +300,8 @@ static const struct regulator_desc act8600_regulators[] = {
},
{
.name = "LDO_REG10",
+ .of_match = of_match_ptr("LDO_REG10"),
+ .regulators_node = of_match_ptr("regulators"),
.id = ACT8600_ID_LDO10,
.ops = &act8865_ldo_ops,
.type = REGULATOR_VOLTAGE,
@@ -348,110 +356,6 @@ static const struct of_device_id act8865_dt_ids[] = {
{ }
};
MODULE_DEVICE_TABLE(of, act8865_dt_ids);
-
-static struct of_regulator_match act8846_matches[] = {
- [ACT8846_ID_REG1] = { .name = "REG1" },
- [ACT8846_ID_REG2] = { .name = "REG2" },
- [ACT8846_ID_REG3] = { .name = "REG3" },
- [ACT8846_ID_REG4] = { .name = "REG4" },
- [ACT8846_ID_REG5] = { .name = "REG5" },
- [ACT8846_ID_REG6] = { .name = "REG6" },
- [ACT8846_ID_REG7] = { .name = "REG7" },
- [ACT8846_ID_REG8] = { .name = "REG8" },
- [ACT8846_ID_REG9] = { .name = "REG9" },
- [ACT8846_ID_REG10] = { .name = "REG10" },
- [ACT8846_ID_REG11] = { .name = "REG11" },
- [ACT8846_ID_REG12] = { .name = "REG12" },
-};
-
-static struct of_regulator_match act8865_matches[] = {
- [ACT8865_ID_DCDC1] = { .name = "DCDC_REG1"},
- [ACT8865_ID_DCDC2] = { .name = "DCDC_REG2"},
- [ACT8865_ID_DCDC3] = { .name = "DCDC_REG3"},
- [ACT8865_ID_LDO1] = { .name = "LDO_REG1"},
- [ACT8865_ID_LDO2] = { .name = "LDO_REG2"},
- [ACT8865_ID_LDO3] = { .name = "LDO_REG3"},
- [ACT8865_ID_LDO4] = { .name = "LDO_REG4"},
-};
-
-static struct of_regulator_match act8600_matches[] = {
- [ACT8600_ID_DCDC1] = { .name = "DCDC_REG1"},
- [ACT8600_ID_DCDC2] = { .name = "DCDC_REG2"},
- [ACT8600_ID_DCDC3] = { .name = "DCDC_REG3"},
- [ACT8600_ID_SUDCDC4] = { .name = "SUDCDC_REG4"},
- [ACT8600_ID_LDO5] = { .name = "LDO_REG5"},
- [ACT8600_ID_LDO6] = { .name = "LDO_REG6"},
- [ACT8600_ID_LDO7] = { .name = "LDO_REG7"},
- [ACT8600_ID_LDO8] = { .name = "LDO_REG8"},
- [ACT8600_ID_LDO9] = { .name = "LDO_REG9"},
- [ACT8600_ID_LDO10] = { .name = "LDO_REG10"},
-};
-
-static int act8865_pdata_from_dt(struct device *dev,
- struct act8865_platform_data *pdata,
- unsigned long type)
-{
- int matched, i, num_matches;
- struct device_node *np;
- struct act8865_regulator_data *regulator;
- struct of_regulator_match *matches;
-
- switch (type) {
- case ACT8600:
- matches = act8600_matches;
- num_matches = ARRAY_SIZE(act8600_matches);
- break;
- case ACT8846:
- matches = act8846_matches;
- num_matches = ARRAY_SIZE(act8846_matches);
- break;
- case ACT8865:
- matches = act8865_matches;
- num_matches = ARRAY_SIZE(act8865_matches);
- break;
- default:
- dev_err(dev, "invalid device id %lu\n", type);
- return -EINVAL;
- }
-
- np = of_get_child_by_name(dev->of_node, "regulators");
- if (!np) {
- dev_err(dev, "missing 'regulators' subnode in DT\n");
- return -EINVAL;
- }
-
- matched = of_regulator_match(dev, np, matches, num_matches);
- of_node_put(np);
- if (matched <= 0)
- return matched;
-
- pdata->regulators = devm_kcalloc(dev,
- num_matches,
- sizeof(struct act8865_regulator_data),
- GFP_KERNEL);
- if (!pdata->regulators)
- return -ENOMEM;
-
- pdata->num_regulators = num_matches;
- regulator = pdata->regulators;
-
- for (i = 0; i < num_matches; i++) {
- regulator->id = i;
- regulator->name = matches[i].name;
- regulator->init_data = matches[i].init_data;
- regulator->of_node = matches[i].of_node;
- regulator++;
- }
-
- return 0;
-}
-#else
-static inline int act8865_pdata_from_dt(struct device *dev,
- struct act8865_platform_data *pdata,
- unsigned long type)
-{
- return 0;
-}
#endif
static struct act8865_regulator_data *act8865_get_regulator_data(
@@ -459,9 +363,6 @@ static struct act8865_regulator_data
*act8865_get_regulator_data(
{
int i;
- if (!pdata)
- return NULL;
-
for (i = 0; i < pdata->num_regulators; i++) {
if (pdata->regulators[i].id == id)
return &pdata->regulators[i];
@@ -484,7 +385,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
const struct i2c_device_id *i2c_id)
{
const struct regulator_desc *regulators;
- struct act8865_platform_data pdata_of, *pdata;
+ struct act8865_platform_data *pdata = NULL;
struct device *dev = &client->dev;
int i, ret, num_regulators;
struct act8865 *act8865;
@@ -493,9 +394,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
int off_reg, off_mask;
int voltage_select = 0;
- pdata = dev_get_platdata(dev);
-
- if (dev->of_node && !pdata) {
+ if (dev->of_node) {
const struct of_device_id *id;
id = of_match_device(of_match_ptr(act8865_dt_ids), dev);
@@ -509,6 +408,7 @@ static int act8865_pmic_probe(struct i2c_client *client,
NULL);
} else {
type = i2c_id->driver_data;
+ pdata = dev_get_platdata(dev);
}
switch (type) {
@@ -543,14 +443,6 @@ static int act8865_pmic_probe(struct i2c_client *client,
return -EINVAL;
}
- if (dev->of_node && !pdata) {
- ret = act8865_pdata_from_dt(dev, &pdata_of, type);
- if (ret < 0)
- return ret;
-
- pdata = &pdata_of;
- }
-
act8865 = devm_kzalloc(dev, sizeof(struct act8865), GFP_KERNEL);
if (!act8865)
return -ENOMEM;
@@ -577,17 +469,20 @@ static int act8865_pmic_probe(struct i2c_client *client,
for (i = 0; i < num_regulators; i++) {
const struct regulator_desc *desc = ®ulators[i];
struct regulator_config config = { };
- struct act8865_regulator_data *rdata;
struct regulator_dev *rdev;
config.dev = dev;
config.driver_data = act8865;
config.regmap = act8865->regmap;
- rdata = act8865_get_regulator_data(desc->id, pdata);
- if (rdata) {
- config.init_data = rdata->init_data;
- config.of_node = rdata->of_node;
+ if (pdata) {
+ struct act8865_regulator_data *rdata;
+
+ rdata = act8865_get_regulator_data(desc->id, pdata);
+ if (rdata) {
+ config.init_data = rdata->init_data;
+ config.of_node = rdata->of_node;
+ }
}
rdev = devm_regulator_register(dev, desc, &config);
--
2.17.1
