xref: /linux/drivers/interconnect/qcom/icc-common.c (revision fd7d598270724cc787982ea48bbe17ad383a8b7f)
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 
12 struct icc_node_data *qcom_icc_xlate_extended(struct of_phandle_args *spec, void *data)
13 {
14 	struct icc_node_data *ndata;
15 	struct icc_node *node;
16 
17 	node = of_icc_xlate_onecell(spec, data);
18 	if (IS_ERR(node))
19 		return ERR_CAST(node);
20 
21 	ndata = kzalloc(sizeof(*ndata), GFP_KERNEL);
22 	if (!ndata)
23 		return ERR_PTR(-ENOMEM);
24 
25 	ndata->node = node;
26 
27 	if (spec->args_count == 2)
28 		ndata->tag = spec->args[1];
29 
30 	if (spec->args_count > 2)
31 		pr_warn("%pOF: Too many arguments, path tag is not parsed\n", spec->np);
32 
33 	return ndata;
34 }
35 EXPORT_SYMBOL_GPL(qcom_icc_xlate_extended);
36 
37 MODULE_LICENSE("GPL");
38