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-rw-r--r--drivers/opp/of.c54
1 files changed, 0 insertions, 54 deletions
diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 369d63a58ac4..3740822b4197 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -1014,60 +1014,6 @@ put_required_np:
EXPORT_SYMBOL_GPL(of_get_required_opp_performance_state);
/**
- * of_dev_pm_opp_find_required_opp() - Search for required OPP.
- * @dev: The device whose OPP node is referenced by the 'np' DT node.
- * @np: Node that contains the "required-opps" property.
- *
- * Returns the OPP of the device 'dev', whose phandle is present in the "np"
- * node. Although the "required-opps" property supports having multiple
- * phandles, this helper routine only parses the very first phandle in the list.
- *
- * Return: Matching opp, else returns ERR_PTR in case of error and should be
- * handled using IS_ERR.
- *
- * The callers are required to call dev_pm_opp_put() for the returned OPP after
- * use.
- */
-struct dev_pm_opp *of_dev_pm_opp_find_required_opp(struct device *dev,
- struct device_node *np)
-{
- struct dev_pm_opp *temp_opp, *opp = ERR_PTR(-ENODEV);
- struct device_node *required_np;
- struct opp_table *opp_table;
-
- opp_table = _find_opp_table(dev);
- if (IS_ERR(opp_table))
- return ERR_CAST(opp_table);
-
- required_np = of_parse_phandle(np, "required-opps", 0);
- if (unlikely(!required_np)) {
- dev_err(dev, "Unable to parse required-opps\n");
- goto put_opp_table;
- }
-
- mutex_lock(&opp_table->lock);
-
- list_for_each_entry(temp_opp, &opp_table->opp_list, node) {
- if (temp_opp->available && temp_opp->np == required_np) {
- opp = temp_opp;
-
- /* Increment the reference count of OPP */
- dev_pm_opp_get(opp);
- break;
- }
- }
-
- mutex_unlock(&opp_table->lock);
-
- of_node_put(required_np);
-put_opp_table:
- dev_pm_opp_put_opp_table(opp_table);
-
- return opp;
-}
-EXPORT_SYMBOL_GPL(of_dev_pm_opp_find_required_opp);
-
-/**
* dev_pm_opp_get_of_node() - Gets the DT node corresponding to an opp
* @opp: opp for which DT node has to be returned for
*