path: root/drivers/base/property.c

// SPDX-License-Identifier: GPL-2.0
/*
 * property.c - Unified device property interface.
 *
 * Copyright (C) 2014, Intel Corporation
 * Authors: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 *          Mika Westerberg <mika.westerberg@linux.intel.com>
 */

#include <linux/device.h>
#include <linux/err.h>
#include <linux/export.h>
#include <linux/kconfig.h>
#include <linux/of.h>
#include <linux/property.h>
#include <linux/phy.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/types.h>

struct fwnode_handle *__dev_fwnode(struct device *dev)
{
	return IS_ENABLED(CONFIG_OF) && dev->of_node ?
		of_fwnode_handle(dev->of_node) : dev->fwnode;
}
EXPORT_SYMBOL_GPL(__dev_fwnode);

const struct fwnode_handle *__dev_fwnode_const(const struct device *dev)
{
	return IS_ENABLED(CONFIG_OF) && dev->of_node ?
		of_fwnode_handle(dev->of_node) : dev->fwnode;
}
EXPORT_SYMBOL_GPL(__dev_fwnode_const);

/**
 * device_property_present - check if a property of a device is present
 * @dev: Device whose property is being checked
 * @propname: Name of the property
 *
 * Check if property @propname is pr