drivers/interconnect/qcom/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
  12 struct 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 }
  36 EXPORT_SYMBOL_GPL(qcom_icc_xlate_extended);
  37
  38 MODULE_DESCRIPTION("Qualcomm interconnect common functions");
  39 MODULE_LICENSE("GPL");