86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
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/*
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* Copyright (C) 2013 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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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/trusty/smcall.h>
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#include <linux/trusty/trusty.h>
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#include "trusty-fiq.h"
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static int trusty_fiq_remove_child(struct device *dev, void *data)
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{
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platform_device_unregister(to_platform_device(dev));
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return 0;
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}
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static int trusty_fiq_probe(struct platform_device *pdev)
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{
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int ret;
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ret = trusty_fiq_arch_probe(pdev);
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if (ret)
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goto err_set_fiq_return;
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ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
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if (ret < 0) {
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dev_err(&pdev->dev, "Failed to add children: %d\n", ret);
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goto err_add_children;
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}
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return 0;
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err_add_children:
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device_for_each_child(&pdev->dev, NULL, trusty_fiq_remove_child);
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trusty_fiq_arch_remove(pdev);
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err_set_fiq_return:
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return ret;
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}
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static int trusty_fiq_remove(struct platform_device *pdev)
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{
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device_for_each_child(&pdev->dev, NULL, trusty_fiq_remove_child);
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trusty_fiq_arch_remove(pdev);
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return 0;
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}
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static const struct of_device_id trusty_fiq_of_match[] = {
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{ .compatible = "android,trusty-fiq-v1", },
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{},
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};
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static struct platform_driver trusty_fiq_driver = {
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.probe = trusty_fiq_probe,
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.remove = trusty_fiq_remove,
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.driver = {
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.name = "trusty-fiq",
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.owner = THIS_MODULE,
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.of_match_table = trusty_fiq_of_match,
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},
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};
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static int __init trusty_fiq_driver_init(void)
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{
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return platform_driver_register(&trusty_fiq_driver);
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}
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static void __exit trusty_fiq_driver_exit(void)
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{
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platform_driver_unregister(&trusty_fiq_driver);
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}
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subsys_initcall(trusty_fiq_driver_init);
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module_exit(trusty_fiq_driver_exit);
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