/* * 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) { const struct of_dev_auxdata *lookup = dev_get_platdata(&pdev->dev); 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, lookup, &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");