C++ (Cpp) mdio_gpio_bus_init示例

示例#1

文件： mdio-gpio.c 项目： AllenDou/linux

static int __devinit mdio_gpio_probe(struct platform_device *pdev)
{
	struct mdio_gpio_platform_data *pdata;
	struct mii_bus *new_bus;
	int ret;

	if (pdev->dev.of_node)
		pdata = mdio_gpio_of_get_data(pdev);
	else
		pdata = pdev->dev.platform_data;

	if (!pdata)
		return -ENODEV;

	new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, pdev->id);
	if (!new_bus)
		return -ENODEV;

	if (pdev->dev.of_node)
		ret = of_mdiobus_register(new_bus, pdev->dev.of_node);
	else
		ret = mdiobus_register(new_bus);

	if (ret)
		mdio_gpio_bus_deinit(&pdev->dev);

	return ret;
}

示例#2

文件： mdio-gpio.c 项目： 7799/linux

static int mdio_gpio_probe(struct platform_device *pdev)
{
	struct mdio_gpio_platform_data *pdata;
	struct mii_bus *new_bus;
	int ret, bus_id;

	if (pdev->dev.of_node) {
		pdata = mdio_gpio_of_get_data(pdev);
		bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
	} else {
		pdata = dev_get_platdata(&pdev->dev);
		bus_id = pdev->id;
	}

	if (!pdata)
		return -ENODEV;

	new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, bus_id);
	if (!new_bus)
		return -ENODEV;

	if (pdev->dev.of_node)
		ret = of_mdiobus_register(new_bus, pdev->dev.of_node);
	else
		ret = mdiobus_register(new_bus);

	if (ret)
		mdio_gpio_bus_deinit(&pdev->dev);

	return ret;
}

示例#3

文件： mdio-gpio.c 项目： markus-oberhumer/linux

static int mdio_gpio_probe(struct platform_device *pdev)
{
	struct mdio_gpio_info *bitbang;
	struct mii_bus *new_bus;
	int ret, bus_id;

	bitbang = devm_kzalloc(&pdev->dev, sizeof(*bitbang), GFP_KERNEL);
	if (!bitbang)
		return -ENOMEM;

	ret = mdio_gpio_get_data(&pdev->dev, bitbang);
	if (ret)
		return ret;

	if (pdev->dev.of_node) {
		bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
		if (bus_id < 0) {
			dev_warn(&pdev->dev, "failed to get alias id\n");
			bus_id = 0;
		}
	} else {
		bus_id = pdev->id;
	}

	new_bus = mdio_gpio_bus_init(&pdev->dev, bitbang, bus_id);
	if (!new_bus)
		return -ENODEV;

	ret = of_mdiobus_register(new_bus, pdev->dev.of_node);
	if (ret)
		mdio_gpio_bus_deinit(&pdev->dev);

	return ret;
}