armada_ap_cp_helper.c

 1// SPDX-License-Identifier: GPL-2.0+
 2/*
 3 * Marvell Armada AP and CP110 helper
 4 *
 5 * Copyright (C) 2018 Marvell
 6 *
 7 * Gregory Clement <gregory.clement@bootlin.com>
 8 *
 9 */
10
11#include "armada_ap_cp_helper.h"
12#include <linux/device.h>
13#include <linux/of.h>
14#include <linux/of_address.h>
15
16char *ap_cp_unique_name(struct device *dev, struct device_node *np,
17			const char *name)
18{
19	struct resource res;
20
21	/* Do not create a name if there is no clock */
22	if (!name)
23		return NULL;
24
25	of_address_to_resource(np, 0, &res);
26	return devm_kasprintf(dev, GFP_KERNEL, "%llx-%s",
27			      (unsigned long long)res.start, name);
28}