diff options
Diffstat (limited to 'drivers/regulator/mc13xxx-regulator-core.c')
| -rw-r--r-- | drivers/regulator/mc13xxx-regulator-core.c | 95 |
1 files changed, 41 insertions, 54 deletions
diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c index 4fa9704739b..05b971726ff 100644 --- a/drivers/regulator/mc13xxx-regulator-core.c +++ b/drivers/regulator/mc13xxx-regulator-core.c @@ -80,20 +80,6 @@ static int mc13xxx_regulator_is_enabled(struct regulator_dev *rdev) return (val & mc13xxx_regulators[id].enable_bit) != 0; } -int mc13xxx_regulator_list_voltage(struct regulator_dev *rdev, - unsigned selector) -{ - int id = rdev_get_id(rdev); - struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev); - struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators; - - if (selector >= mc13xxx_regulators[id].desc.n_voltages) - return -EINVAL; - - return mc13xxx_regulators[id].voltages[selector]; -} -EXPORT_SYMBOL_GPL(mc13xxx_regulator_list_voltage); - static int mc13xxx_regulator_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) { @@ -135,14 +121,14 @@ static int mc13xxx_regulator_get_voltage(struct regulator_dev *rdev) BUG_ON(val >= mc13xxx_regulators[id].desc.n_voltages); - return mc13xxx_regulators[id].voltages[val]; + return rdev->desc->volt_table[val]; } struct regulator_ops mc13xxx_regulator_ops = { .enable = mc13xxx_regulator_enable, .disable = mc13xxx_regulator_disable, .is_enabled = mc13xxx_regulator_is_enabled, - .list_voltage = mc13xxx_regulator_list_voltage, + .list_voltage = regulator_list_voltage_table, .set_voltage_sel = mc13xxx_regulator_set_voltage_sel, .get_voltage = mc13xxx_regulator_get_voltage, }; @@ -151,89 +137,80 @@ EXPORT_SYMBOL_GPL(mc13xxx_regulator_ops); int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV, unsigned *selector) { - struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev); - struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators; int id = rdev_get_id(rdev); dev_dbg(rdev_get_dev(rdev), "%s id: %d min_uV: %d max_uV: %d\n", __func__, id, min_uV, max_uV); - if (min_uV >= mc13xxx_regulators[id].voltages[0] && - max_uV <= mc13xxx_regulators[id].voltages[0]) + if (min_uV <= rdev->desc->volt_table[0] && + rdev->desc->volt_table[0] <= max_uV) { + *selector = 0; return 0; - else + } else { return -EINVAL; + } } EXPORT_SYMBOL_GPL(mc13xxx_fixed_regulator_set_voltage); -int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev) -{ - struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev); - struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators; - int id = rdev_get_id(rdev); - - dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id); - - return mc13xxx_regulators[id].voltages[0]; -} -EXPORT_SYMBOL_GPL(mc13xxx_fixed_regulator_get_voltage); - struct regulator_ops mc13xxx_fixed_regulator_ops = { .enable = mc13xxx_regulator_enable, .disable = mc13xxx_regulator_disable, .is_enabled = mc13xxx_regulator_is_enabled, - .list_voltage = mc13xxx_regulator_list_voltage, + .list_voltage = regulator_list_voltage_table, .set_voltage = mc13xxx_fixed_regulator_set_voltage, - .get_voltage = mc13xxx_fixed_regulator_get_voltage, }; EXPORT_SYMBOL_GPL(mc13xxx_fixed_regulator_ops); -int mc13xxx_sw_regulator_is_enabled(struct regulator_dev *rdev) -{ - return 1; -} -EXPORT_SYMBOL_GPL(mc13xxx_sw_regulator_is_enabled); - #ifdef CONFIG_OF -int __devinit mc13xxx_get_num_regulators_dt(struct platform_device *pdev) +int mc13xxx_get_num_regulators_dt(struct platform_device *pdev) { - struct device_node *parent, *child; - int num = 0; + struct device_node *parent; + int num; - of_node_get(pdev->dev.parent->of_node); - parent = of_find_node_by_name(pdev->dev.parent->of_node, "regulators"); - if (!parent) + if (!pdev->dev.parent->of_node) return -ENODEV; - for_each_child_of_node(parent, child) - num++; + parent = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); + if (!parent) + return -ENODEV; + num = of_get_child_count(parent); + of_node_put(parent); return num; } EXPORT_SYMBOL_GPL(mc13xxx_get_num_regulators_dt); -struct mc13xxx_regulator_init_data * __devinit mc13xxx_parse_regulators_dt( +struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( struct platform_device *pdev, struct mc13xxx_regulator *regulators, int num_regulators) { struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev); struct mc13xxx_regulator_init_data *data, *p; struct device_node *parent, *child; - int i; + int i, parsed = 0; + + if (!pdev->dev.parent->of_node) + return NULL; - of_node_get(pdev->dev.parent->of_node); - parent = of_find_node_by_name(pdev->dev.parent->of_node, "regulators"); + parent = of_get_child_by_name(pdev->dev.parent->of_node, "regulators"); if (!parent) return NULL; data = devm_kzalloc(&pdev->dev, sizeof(*data) * priv->num_regulators, GFP_KERNEL); - if (!data) + if (!data) { + of_node_put(parent); return NULL; + } + p = data; for_each_child_of_node(parent, child) { + int found = 0; + for (i = 0; i < num_regulators; i++) { + if (!regulators[i].desc.name) + continue; if (!of_node_cmp(child->name, regulators[i].desc.name)) { p->id = i; @@ -241,10 +218,20 @@ struct mc13xxx_regulator_init_data * __devinit mc13xxx_parse_regulators_dt( &pdev->dev, child); p->node = child; p++; + + parsed++; + found = 1; break; } } + + if (!found) + dev_warn(&pdev->dev, + "Unknown regulator: %s\n", child->name); } + of_node_put(parent); + + priv->num_regulators = parsed; return data; } |
