linux-imx

/*

 * Simple Power-Managed Bus Driver

 *

 * Copyright (C) 2014-2015 Glider bvba

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 */

​

#include <linux/module.h>

#include <linux/of_platform.h>

#include <linux/platform_device.h>

#include <linux/pm_runtime.h>

​

​

static int simple_pm_bus_probe(struct platform_device *pdev)

{

    struct device_node *np = pdev->dev.of_node;

​

    dev_dbg(&pdev->dev, "%s\n", __func__);

​

    pm_runtime_enable(&pdev->dev);

​

    if (np)

        of_platform_populate(np, NULL, NULL, &pdev->dev);

​

    return 0;

}

​

static int simple_pm_bus_remove(struct platform_device *pdev)

{

    dev_dbg(&pdev->dev, "%s\n", __func__);

​

    pm_runtime_disable(&pdev->dev);

    return 0;

}

​

static const struct of_device_id simple_pm_bus_of_match[] = {

    { .compatible = "simple-pm-bus", },

    { /* sentinel */ }

};

MODULE_DEVICE_TABLE(of, simple_pm_bus_of_match);

​

static struct platform_driver simple_pm_bus_driver = {

    .probe = simple_pm_bus_probe,

    .remove = simple_pm_bus_remove,

    .driver = {

        .name = "simple-pm-bus",

        .of_match_table = simple_pm_bus_of_match,

    },

};

​

module_platform_driver(simple_pm_bus_driver);

​

MODULE_DESCRIPTION("Simple Power-Managed Bus Driver");

MODULE_AUTHOR("Geert Uytterhoeven <geert+renesas@glider.be>");

MODULE_LICENSE("GPL v2");