regulator: palmas: fix build warnings
[linux-2.6.git] / drivers / regulator / fixed-helper.c
1 #include <linux/slab.h>
2 #include <linux/platform_device.h>
3 #include <linux/regulator/machine.h>
4 #include <linux/regulator/fixed.h>
5
6 struct fixed_regulator_data {
7         struct fixed_voltage_config cfg;
8         struct regulator_init_data init_data;
9         struct platform_device pdev;
10 };
11
12 static void regulator_fixed_release(struct device *dev)
13 {
14         struct fixed_regulator_data *data = container_of(dev,
15                         struct fixed_regulator_data, pdev.dev);
16         kfree(data);
17 }
18
19 /**
20  * regulator_register_fixed - register a no-op fixed regulator
21  * @id: platform device id
22  * @supplies: consumers for this regulator
23  * @num_supplies: number of consumers
24  */
25 struct platform_device *regulator_register_fixed(int id,
26                 struct regulator_consumer_supply *supplies, int num_supplies)
27 {
28         struct fixed_regulator_data *data;
29
30         data = kzalloc(sizeof(*data), GFP_KERNEL);
31         if (!data)
32                 return NULL;
33
34         data->cfg.supply_name = "fixed-dummy";
35         data->cfg.microvolts = 0;
36         data->cfg.gpio = -EINVAL;
37         data->cfg.enabled_at_boot = 1;
38         data->cfg.init_data = &data->init_data;
39
40         data->init_data.constraints.always_on = 1;
41         data->init_data.consumer_supplies = supplies;
42         data->init_data.num_consumer_supplies = num_supplies;
43
44         data->pdev.name = "reg-fixed-voltage";
45         data->pdev.id = id;
46         data->pdev.dev.platform_data = &data->cfg;
47         data->pdev.dev.release = regulator_fixed_release;
48
49         platform_device_register(&data->pdev);
50
51         return &data->pdev;
52 }