icc-common.c

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (C) 2022 Linaro Ltd.
 4 */
 5
 6#include <linux/of.h>
 7#include <linux/slab.h>
 8#include <linux/module.h>
 9
10#include "icc-common.h"
11
12struct icc_node_data *qcom_icc_xlate_extended(const struct of_phandle_args *spec,
13					      void *data)
14{
15	struct icc_node_data *ndata;
16	struct icc_node *node;
17
18	node = of_icc_xlate_onecell(spec, data);
19	if (IS_ERR(node))
20		return ERR_CAST(node);
21
22	ndata = kzalloc(sizeof(*ndata), GFP_KERNEL);
23	if (!ndata)
24		return ERR_PTR(-ENOMEM);
25
26	ndata->node = node;
27
28	if (spec->args_count == 2)
29		ndata->tag = spec->args[1];
30
31	if (spec->args_count > 2)
32		pr_warn("%pOF: Too many arguments, path tag is not parsed\n", spec->np);
33
34	return ndata;
35}
36EXPORT_SYMBOL_GPL(qcom_icc_xlate_extended);
37
38MODULE_DESCRIPTION("Qualcomm interconnect common functions");
39MODULE_LICENSE("GPL");