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path: root/drivers/regulator/pbias-regulator.c
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Diffstat (limited to 'drivers/regulator/pbias-regulator.c')
-rw-r--r--drivers/regulator/pbias-regulator.c75
1 files changed, 28 insertions, 47 deletions
diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c
index 92b41a6a4dc2..bfc15dd3f730 100644
--- a/drivers/regulator/pbias-regulator.c
+++ b/drivers/regulator/pbias-regulator.c
@@ -38,15 +38,6 @@ struct pbias_reg_info {
int n_voltages;
};
-struct pbias_regulator_data {
- struct regulator_desc desc;
- void __iomem *pbias_addr;
- struct regulator_dev *dev;
- struct regmap *syscon;
- const struct pbias_reg_info *info;
- int voltage;
-};
-
struct pbias_of_data {
unsigned int offset;
};
@@ -157,14 +148,13 @@ MODULE_DEVICE_TABLE(of, pbias_of_match);
static int pbias_regulator_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
- struct pbias_regulator_data *drvdata;
struct resource *res;
struct regulator_config cfg = { };
+ struct regulator_desc *desc;
+ struct regulator_dev *rdev;
struct regmap *syscon;
const struct pbias_reg_info *info;
- int ret = 0;
- int count, idx, data_idx = 0;
- const struct of_device_id *match;
+ int ret, count, idx;
const struct pbias_of_data *data;
unsigned int offset;
@@ -173,19 +163,16 @@ static int pbias_regulator_probe(struct platform_device *pdev)
if (count < 0)
return count;
- drvdata = devm_kcalloc(&pdev->dev,
- count, sizeof(struct pbias_regulator_data),
- GFP_KERNEL);
- if (!drvdata)
+ desc = devm_kcalloc(&pdev->dev, count, sizeof(*desc), GFP_KERNEL);
+ if (!desc)
return -ENOMEM;
syscon = syscon_regmap_lookup_by_phandle(np, "syscon");
if (IS_ERR(syscon))
return PTR_ERR(syscon);
- match = of_match_device(of_match_ptr(pbias_of_match), &pdev->dev);
- if (match && match->data) {
- data = match->data;
+ data = of_device_get_match_data(&pdev->dev);
+ if (data) {
offset = data->offset;
} else {
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -200,7 +187,7 @@ static int pbias_regulator_probe(struct platform_device *pdev)
cfg.regmap = syscon;
cfg.dev = &pdev->dev;
- for (idx = 0; idx < PBIAS_NUM_REGS && data_idx < count; idx++) {
+ for (idx = 0; idx < PBIAS_NUM_REGS && count; idx++) {
if (!pbias_matches[idx].init_data ||
!pbias_matches[idx].of_node)
continue;
@@ -209,41 +196,35 @@ static int pbias_regulator_probe(struct platform_device *pdev)
if (!info)
return -ENODEV;
- drvdata[data_idx].syscon = syscon;
- drvdata[data_idx].info = info;
- drvdata[data_idx].desc.name = info->name;
- drvdata[data_idx].desc.owner = THIS_MODULE;
- drvdata[data_idx].desc.type = REGULATOR_VOLTAGE;
- drvdata[data_idx].desc.ops = &pbias_regulator_voltage_ops;
- drvdata[data_idx].desc.volt_table = info->pbias_volt_table;
- drvdata[data_idx].desc.n_voltages = info->n_voltages;
- drvdata[data_idx].desc.enable_time = info->enable_time;
- drvdata[data_idx].desc.vsel_reg = offset;
- drvdata[data_idx].desc.vsel_mask = info->vmode;
- drvdata[data_idx].desc.enable_reg = offset;
- drvdata[data_idx].desc.enable_mask = info->enable_mask;
- drvdata[data_idx].desc.enable_val = info->enable;
- drvdata[data_idx].desc.disable_val = info->disable_val;
+ desc->name = info->name;
+ desc->owner = THIS_MODULE;
+ desc->type = REGULATOR_VOLTAGE;
+ desc->ops = &pbias_regulator_voltage_ops;
+ desc->volt_table = info->pbias_volt_table;
+ desc->n_voltages = info->n_voltages;
+ desc->enable_time = info->enable_time;
+ desc->vsel_reg = offset;
+ desc->vsel_mask = info->vmode;
+ desc->enable_reg = offset;
+ desc->enable_mask = info->enable_mask;
+ desc->enable_val = info->enable;
+ desc->disable_val = info->disable_val;
cfg.init_data = pbias_matches[idx].init_data;
- cfg.driver_data = &drvdata[data_idx];
cfg.of_node = pbias_matches[idx].of_node;
- drvdata[data_idx].dev = devm_regulator_register(&pdev->dev,
- &drvdata[data_idx].desc, &cfg);
- if (IS_ERR(drvdata[data_idx].dev)) {
- ret = PTR_ERR(drvdata[data_idx].dev);
+ rdev = devm_regulator_register(&pdev->dev, desc, &cfg);
+ if (IS_ERR(rdev)) {
+ ret = PTR_ERR(rdev);
dev_err(&pdev->dev,
"Failed to register regulator: %d\n", ret);
- goto err_regulator;
+ return ret;
}
- data_idx++;
+ desc++;
+ count--;
}
- platform_set_drvdata(pdev, drvdata);
-
-err_regulator:
- return ret;
+ return 0;
}
static struct platform_driver pbias_regulator_driver = {