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path: root/drivers/regulator/vexpress.c
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Diffstat (limited to 'drivers/regulator/vexpress.c')
-rw-r--r--drivers/regulator/vexpress.c52
1 files changed, 13 insertions, 39 deletions
diff --git a/drivers/regulator/vexpress.c b/drivers/regulator/vexpress.c
index f3ae28a7e663..02e7267ccf92 100644
--- a/drivers/regulator/vexpress.c
+++ b/drivers/regulator/vexpress.c
@@ -26,14 +26,14 @@
struct vexpress_regulator {
struct regulator_desc desc;
struct regulator_dev *regdev;
- struct vexpress_config_func *func;
+ struct regmap *regmap;
};
static int vexpress_regulator_get_voltage(struct regulator_dev *regdev)
{
struct vexpress_regulator *reg = rdev_get_drvdata(regdev);
u32 uV;
- int err = vexpress_config_read(reg->func, 0, &uV);
+ int err = regmap_read(reg->regmap, 0, &uV);
return err ? err : uV;
}
@@ -43,7 +43,7 @@ static int vexpress_regulator_set_voltage(struct regulator_dev *regdev,
{
struct vexpress_regulator *reg = rdev_get_drvdata(regdev);
- return vexpress_config_write(reg->func, 0, min_uV);
+ return regmap_write(reg->regmap, 0, min_uV);
}
static struct regulator_ops vexpress_regulator_ops_ro = {
@@ -57,22 +57,17 @@ static struct regulator_ops vexpress_regulator_ops = {
static int vexpress_regulator_probe(struct platform_device *pdev)
{
- int err;
struct vexpress_regulator *reg;
struct regulator_init_data *init_data;
struct regulator_config config = { };
reg = devm_kzalloc(&pdev->dev, sizeof(*reg), GFP_KERNEL);
- if (!reg) {
- err = -ENOMEM;
- goto error_kzalloc;
- }
+ if (!reg)
+ return -ENOMEM;
- reg->func = vexpress_config_func_get_by_dev(&pdev->dev);
- if (!reg->func) {
- err = -ENXIO;
- goto error_get_func;
- }
+ reg->regmap = devm_regmap_init_vexpress_config(&pdev->dev);
+ if (IS_ERR(reg->regmap))
+ return PTR_ERR(reg->regmap);
reg->desc.name = dev_name(&pdev->dev);
reg->desc.type = REGULATOR_VOLTAGE;
@@ -80,10 +75,8 @@ static int vexpress_regulator_probe(struct platform_device *pdev)
reg->desc.continuous_voltage_range = true;
init_data = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node);
- if (!init_data) {
- err = -EINVAL;
- goto error_get_regulator_init_data;
- }
+ if (!init_data)
+ return -EINVAL;
init_data->constraints.apply_uV = 0;
if (init_data->constraints.min_uV && init_data->constraints.max_uV)
@@ -97,40 +90,21 @@ static int vexpress_regulator_probe(struct platform_device *pdev)
config.of_node = pdev->dev.of_node;
reg->regdev = devm_regulator_register(&pdev->dev, &reg->desc, &config);
- if (IS_ERR(reg->regdev)) {
- err = PTR_ERR(reg->regdev);
- goto error_regulator_register;
- }
+ if (IS_ERR(reg->regdev))
+ return PTR_ERR(reg->regdev);
platform_set_drvdata(pdev, reg);
return 0;
-
-error_regulator_register:
-error_get_regulator_init_data:
- vexpress_config_func_put(reg->func);
-error_get_func:
-error_kzalloc:
- return err;
-}
-
-static int vexpress_regulator_remove(struct platform_device *pdev)
-{
- struct vexpress_regulator *reg = platform_get_drvdata(pdev);
-
- vexpress_config_func_put(reg->func);
-
- return 0;
}
-static struct of_device_id vexpress_regulator_of_match[] = {
+static const struct of_device_id vexpress_regulator_of_match[] = {
{ .compatible = "arm,vexpress-volt", },
{ }
};
static struct platform_driver vexpress_regulator_driver = {
.probe = vexpress_regulator_probe,
- .remove = vexpress_regulator_remove,
.driver = {
.name = DRVNAME,
.owner = THIS_MODULE,