Esempi in C++ (Cpp) per as3711_regulator_parse_dt

Esempio n. 1

File: as3711-regulator.c Progetto: Lyude/linux

static int as3711_regulator_probe(struct platform_device *pdev)
{
	struct as3711_regulator_pdata *pdata = dev_get_platdata(&pdev->dev);
	struct as3711 *as3711 = dev_get_drvdata(pdev->dev.parent);
	struct regulator_config config = {.dev = &pdev->dev,};
	struct as3711_regulator *reg = NULL;
	struct as3711_regulator *regs;
	struct device_node *of_node[AS3711_REGULATOR_NUM] = {};
	struct regulator_dev *rdev;
	struct as3711_regulator_info *ri;
	int ret;
	int id;

	if (!pdata) {
		dev_err(&pdev->dev, "No platform data...\n");
		return -ENODEV;
	}

	if (pdev->dev.parent->of_node) {
		ret = as3711_regulator_parse_dt(&pdev->dev, of_node, AS3711_REGULATOR_NUM);
		if (ret < 0) {
			dev_err(&pdev->dev, "DT parsing failed: %d\n", ret);
			return ret;
		}
	}

	regs = devm_kcalloc(&pdev->dev,
			    AS3711_REGULATOR_NUM,
			    sizeof(struct as3711_regulator),
			    GFP_KERNEL);
	if (!regs)
		return -ENOMEM;

	for (id = 0, ri = as3711_reg_info; id < AS3711_REGULATOR_NUM; ++id, ri++) {
		reg = &regs[id];
		reg->reg_info = ri;

		config.init_data = pdata->init_data[id];
		config.driver_data = reg;
		config.regmap = as3711->regmap;
		config.of_node = of_node[id];

		rdev = devm_regulator_register(&pdev->dev, &ri->desc, &config);
		if (IS_ERR(rdev)) {
			dev_err(&pdev->dev, "Failed to register regulator %s\n",
				ri->desc.name);
			return PTR_ERR(rdev);
		}
	}
	platform_set_drvdata(pdev, regs);
	return 0;
}

static struct platform_driver as3711_regulator_driver = {
	.driver	= {
		.name	= "as3711-regulator",
	},
	.probe		= as3711_regulator_probe,
};

Esempio n. 2

File: as3711-regulator.c Progetto: avagin/linux

static int as3711_regulator_probe(struct platform_device *pdev)
{
	struct as3711_regulator_pdata *pdata = dev_get_platdata(&pdev->dev);
	struct as3711 *as3711 = dev_get_drvdata(pdev->dev.parent);
	struct regulator_config config = {.dev = &pdev->dev,};
	struct device_node *of_node[AS3711_REGULATOR_NUM] = {};
	struct regulator_dev *rdev;
	int ret;
	int id;

	if (!pdata) {
		dev_err(&pdev->dev, "No platform data...\n");
		return -ENODEV;
	}

	if (pdev->dev.parent->of_node) {
		ret = as3711_regulator_parse_dt(&pdev->dev, of_node, AS3711_REGULATOR_NUM);
		if (ret < 0) {
			dev_err(&pdev->dev, "DT parsing failed: %d\n", ret);
			return ret;
		}
	}

	for (id = 0; id < AS3711_REGULATOR_NUM; id++) {
		config.init_data = pdata->init_data[id];
		config.regmap = as3711->regmap;
		config.of_node = of_node[id];

		rdev = devm_regulator_register(&pdev->dev, &as3711_reg_desc[id],
					       &config);
		if (IS_ERR(rdev)) {
			dev_err(&pdev->dev, "Failed to register regulator %s\n",
				as3711_reg_desc[id].name);
			return PTR_ERR(rdev);
		}
	}

	return 0;
}

static struct platform_driver as3711_regulator_driver = {
	.driver	= {
		.name	= "as3711-regulator",
	},
	.probe		= as3711_regulator_probe,
};

Esempio n. 3

File: as3711-regulator.c Progetto: AD5GB/kernel_n5_3.10-experimental

static int as3711_regulator_probe(struct platform_device *pdev)
{
	struct as3711_regulator_pdata *pdata = dev_get_platdata(&pdev->dev);
	struct as3711 *as3711 = dev_get_drvdata(pdev->dev.parent);
	struct regulator_init_data *reg_data;
	struct regulator_config config = {.dev = &pdev->dev,};
	struct as3711_regulator *reg = NULL;
	struct as3711_regulator *regs;
	struct device_node *of_node[AS3711_REGULATOR_NUM] = {};
	struct regulator_dev *rdev;
	struct as3711_regulator_info *ri;
	int ret;
	int id;

	if (!pdata) {
		dev_err(&pdev->dev, "No platform data...\n");
		return -ENODEV;
	}

	if (pdev->dev.parent->of_node) {
		ret = as3711_regulator_parse_dt(&pdev->dev, of_node, AS3711_REGULATOR_NUM);
		if (ret < 0) {
			dev_err(&pdev->dev, "DT parsing failed: %d\n", ret);
			return ret;
		}
	}

	regs = devm_kzalloc(&pdev->dev, AS3711_REGULATOR_NUM *
			sizeof(struct as3711_regulator), GFP_KERNEL);
	if (!regs) {
		dev_err(&pdev->dev, "Memory allocation failed exiting..\n");
		return -ENOMEM;
	}

	for (id = 0, ri = as3711_reg_info; id < AS3711_REGULATOR_NUM; ++id, ri++) {
		reg_data = pdata->init_data[id];

		/* No need to register if there is no regulator data */
		if (!reg_data)
			continue;

		reg = &regs[id];
		reg->reg_info = ri;

		config.init_data = reg_data;
		config.driver_data = reg;
		config.regmap = as3711->regmap;
		config.of_node = of_node[id];

		rdev = regulator_register(&ri->desc, &config);
		if (IS_ERR(rdev)) {
			dev_err(&pdev->dev, "Failed to register regulator %s\n",
				ri->desc.name);
			ret = PTR_ERR(rdev);
			goto eregreg;
		}
		reg->rdev = rdev;
	}
	platform_set_drvdata(pdev, regs);
	return 0;

eregreg:
	while (--id >= 0)
		regulator_unregister(regs[id].rdev);

	return ret;
}

static int as3711_regulator_remove(struct platform_device *pdev)
{
	struct as3711_regulator *regs = platform_get_drvdata(pdev);
	int id;

	for (id = 0; id < AS3711_REGULATOR_NUM; ++id)
		regulator_unregister(regs[id].rdev);
	return 0;
}

static struct platform_driver as3711_regulator_driver = {
	.driver	= {
		.name	= "as3711-regulator",
		.owner	= THIS_MODULE,
	},
	.probe		= as3711_regulator_probe,
	.remove		= as3711_regulator_remove,
};