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Commit 534245cc authored by Viresh Kumar's avatar Viresh Kumar
Browse files

OPP: Remove of_dev_pm_opp_find_required_opp() 



This isn't used anymore, remove it.

Reviewed-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
parent 4c6a343e

drivers/opp/of.c

+0 −54
Original line number Diff line number Diff line
@@ -1013,60 +1013,6 @@ unsigned int of_get_required_opp_performance_state(struct device_node *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

include/linux/pm_opp.h

+0 −5
Original line number Diff line number Diff line
@@ -313,7 +313,6 @@ int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask); 
void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask);

int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);

struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev);

struct dev_pm_opp *of_dev_pm_opp_find_required_opp(struct device *dev, struct device_node *np);

struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp);

unsigned int of_get_required_opp_performance_state(struct device_node *np, int index);

#else
@@ -350,10 +349,6 @@ static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device 
	return NULL;

}



static inline struct dev_pm_opp *of_dev_pm_opp_find_required_opp(struct device *dev, struct device_node *np)

{

	return NULL;

}

static inline struct device_node *dev_pm_opp_get_of_node(struct dev_pm_opp *opp)

{

	return NULL;