Merge "clk: msm: Add reset support in dummy clock driver"

/* Copyright (c) 2011,2013-2014 The Linux Foundation. All rights reserved.

/* Copyright (c) 2011,2013-2014,2018 The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

#include <linux/platform_device.h>

#include <linux/of.h>

#include <soc/qcom/msm-clock-controller.h>

#include <linux/reset-controller.h>

#define DUMMY_RESET_NR	20

static int dummy_reset_assert(struct reset_controller_dev *rcdev,

				unsigned long id)

{

	return 0;

}

static int dummy_reset_deassert(struct reset_controller_dev *rcdev,

				unsigned long id)

{

	return 0;

}

static int dummy_reset(struct reset_controller_dev *rcdev, unsigned long id)

{

	return 0;

}

static struct reset_control_ops dummy_reset_ops = {

	.reset = dummy_reset,

	.assert = dummy_reset_assert,

	.deassert = dummy_reset_deassert,

};

static int dummy_reset_controller_register(struct platform_device *pdev)

{

	struct reset_controller_dev *prcdev;

	int ret = 0;

	prcdev = devm_kzalloc(&pdev->dev, sizeof(*prcdev), GFP_KERNEL);

	if (!prcdev)

		return -ENOMEM;

	prcdev->of_node = pdev->dev.of_node;

	prcdev->ops = &dummy_reset_ops;

	prcdev->owner = pdev->dev.driver->owner;

	prcdev->nr_resets = DUMMY_RESET_NR;

	ret = reset_controller_register(prcdev);

	if (ret)

		dev_err(&pdev->dev, "Failed to register reset controller\n");

	return ret;

}

static int dummy_clk_reset(struct clk *clk, enum clk_reset_action action)

{

	ret = of_clk_add_provider(pdev->dev.of_node, of_dummy_get, NULL);

	if (ret)

		return -ENOMEM;

		return ret;

	ret = dummy_reset_controller_register(pdev);

	if (ret)

		return ret;

	dev_info(&pdev->dev, "Registered DUMMY provider.\n");

	return ret;