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59 lines
1.4 KiB
59 lines
1.4 KiB
/* |
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* Simple Power-Managed Bus Driver |
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* |
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* Copyright (C) 2014-2015 Glider bvba |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file "COPYING" in the main directory of this archive |
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* for more details. |
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*/ |
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#include <linux/module.h> |
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#include <linux/of_platform.h> |
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#include <linux/platform_device.h> |
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#include <linux/pm_runtime.h> |
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static int simple_pm_bus_probe(struct platform_device *pdev) |
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{ |
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const struct of_dev_auxdata *lookup = dev_get_platdata(&pdev->dev); |
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struct device_node *np = pdev->dev.of_node; |
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dev_dbg(&pdev->dev, "%s\n", __func__); |
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pm_runtime_enable(&pdev->dev); |
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if (np) |
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of_platform_populate(np, NULL, lookup, &pdev->dev); |
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return 0; |
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} |
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static int simple_pm_bus_remove(struct platform_device *pdev) |
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{ |
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dev_dbg(&pdev->dev, "%s\n", __func__); |
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pm_runtime_disable(&pdev->dev); |
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return 0; |
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} |
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static const struct of_device_id simple_pm_bus_of_match[] = { |
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{ .compatible = "simple-pm-bus", }, |
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{ /* sentinel */ } |
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}; |
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MODULE_DEVICE_TABLE(of, simple_pm_bus_of_match); |
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static struct platform_driver simple_pm_bus_driver = { |
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.probe = simple_pm_bus_probe, |
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.remove = simple_pm_bus_remove, |
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.driver = { |
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.name = "simple-pm-bus", |
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.of_match_table = simple_pm_bus_of_match, |
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}, |
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}; |
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module_platform_driver(simple_pm_bus_driver); |
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MODULE_DESCRIPTION("Simple Power-Managed Bus Driver"); |
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MODULE_AUTHOR("Geert Uytterhoeven <[email protected]>"); |
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MODULE_LICENSE("GPL v2");
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