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| Commit | Line | Data |
|---|---|---|
| 89d463ea GU |
1 | /* |
| 2 | * Simple Power-Managed Bus Driver | |
| 3 | * | |
| 4 | * Copyright (C) 2014-2015 Glider bvba | |
| 5 | * | |
| 6 | * This file is subject to the terms and conditions of the GNU General Public | |
| 7 | * License. See the file "COPYING" in the main directory of this archive | |
| 8 | * for more details. | |
| 9 | */ | |
| 10 | ||
| 11 | #include <linux/module.h> | |
| 12 | #include <linux/of_platform.h> | |
| 13 | #include <linux/platform_device.h> | |
| 14 | #include <linux/pm_runtime.h> | |
| 15 | ||
| 16 | ||
| 17 | static int simple_pm_bus_probe(struct platform_device *pdev) | |
| 18 | { | |
| 19 | struct device_node *np = pdev->dev.of_node; | |
| 20 | ||
| 21 | dev_dbg(&pdev->dev, "%s\n", __func__); | |
| 22 | ||
| 23 | pm_runtime_enable(&pdev->dev); | |
| 24 | ||
| 25 | if (np) | |
| 26 | of_platform_populate(np, NULL, NULL, &pdev->dev); | |
| 27 | ||
| 28 | return 0; | |
| 29 | } | |
| 30 | ||
| 31 | static int simple_pm_bus_remove(struct platform_device *pdev) | |
| 32 | { | |
| 33 | dev_dbg(&pdev->dev, "%s\n", __func__); | |
| 34 | ||
| 35 | pm_runtime_disable(&pdev->dev); | |
| 36 | return 0; | |
| 37 | } | |
| 38 | ||
| 39 | static const struct of_device_id simple_pm_bus_of_match[] = { | |
| 40 | { .compatible = "simple-pm-bus", }, | |
| 41 | { /* sentinel */ } | |
| 42 | }; | |
| 43 | MODULE_DEVICE_TABLE(of, simple_pm_bus_of_match); | |
| 44 | ||
| 45 | static struct platform_driver simple_pm_bus_driver = { | |
| 46 | .probe = simple_pm_bus_probe, | |
| 47 | .remove = simple_pm_bus_remove, | |
| 48 | .driver = { | |
| 49 | .name = "simple-pm-bus", | |
| 50 | .of_match_table = simple_pm_bus_of_match, | |
| 51 | }, | |
| 52 | }; | |
| 53 | ||
| 54 | module_platform_driver(simple_pm_bus_driver); | |
| 55 | ||
| 56 | MODULE_DESCRIPTION("Simple Power-Managed Bus Driver"); | |
| 57 | MODULE_AUTHOR("Geert Uytterhoeven <[email protected]>"); | |
| 58 | MODULE_LICENSE("GPL v2"); |