76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
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/*
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* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <linux/reset-controller.h>
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#include <linux/slab.h>
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static int fake_reset_op(struct reset_controller_dev *rcdev, unsigned long id)
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{
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return 0;
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}
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static struct reset_control_ops fake_reset_ops = {
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.assert = fake_reset_op,
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.deassert = fake_reset_op,
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.reset = fake_reset_op,
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};
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int register_fake_reset(int num_resets, struct platform_device *pdev)
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{
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struct reset_controller_dev *rcdev;
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rcdev = devm_kzalloc(&pdev->dev, sizeof(*rcdev), GFP_KERNEL);
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if (!rcdev)
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return -ENOMEM;
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rcdev->owner = THIS_MODULE;
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rcdev->nr_resets = num_resets;
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rcdev->ops = &fake_reset_ops;
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rcdev->of_node = pdev->dev.of_node;
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dev_info(&pdev->dev, "registered %d fake resets\n", num_resets);
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return reset_controller_register(rcdev);
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}
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static int fake_reset_probe(struct platform_device *pdev)
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{
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return register_fake_reset(512, pdev);
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}
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static const struct of_device_id fake_reset_match[] = {
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{ .compatible = "fake-resets" },
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{ },
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};
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static struct platform_driver fake_reset_driver = {
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.probe = fake_reset_probe,
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.driver = {
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.name = "fake-reset",
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.owner = THIS_MODULE,
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.of_match_table = fake_reset_match,
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},
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};
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static int __init fake_reset_driver_init(void)
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{
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return platform_driver_register(&fake_reset_driver);
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}
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arch_initcall(fake_reset_driver_init);
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