Rename _of_get_opp_desc_node to dev_pm_opp_of_get_opp_desc_node and add it
to include/linux/pm_opp.h to allow other drivers, such as platform OPP
and cpufreq drivers, to make use of it.
Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Signed-off-by: Dave Gerlach <d-gerlach@xxxxxx>
---
drivers/base/power/opp/of.c | 9 +++++----
include/linux/pm_opp.h | 6 ++++++
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/base/power/opp/of.c b/drivers/base/power/opp/of.c
index 3f7d2591b173..fe14d231f1db 100644
--- a/drivers/base/power/opp/of.c
+++ b/drivers/base/power/opp/of.c
@@ -243,7 +243,7 @@ void dev_pm_opp_of_remove_table(struct device *dev)
EXPORT_SYMBOL_GPL(dev_pm_opp_of_remove_table);
/* Returns opp descriptor node for a device, caller must do of_node_put() */
-static struct device_node *_of_get_opp_desc_node(struct device *dev)
+struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
{
/*
* TODO: Support for multiple OPP tables.
@@ -254,6 +254,7 @@ static struct device_node *_of_get_opp_desc_node(struct device *dev)
return of_parse_phandle(dev->of_node, "operating-points-v2", 0);
}
+EXPORT_SYMBOL_GPL(dev_pm_opp_of_get_opp_desc_node);
/**
* _opp_add_static_v2() - Allocate static OPPs (As per 'v2' DT bindings)
@@ -495,7 +496,7 @@ int dev_pm_opp_of_add_table(struct device *dev)
* OPPs have two version of bindings now. The older one is deprecated,
* try for the new binding first.
*/
- opp_np = _of_get_opp_desc_node(dev);
+ opp_np = dev_pm_opp_of_get_opp_desc_node(dev);
if (!opp_np) {
/*
* Try old-deprecated bindings for backward compatibility with
@@ -605,7 +606,7 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev,
int cpu, ret = 0;
/* Get OPP descriptor node */
- np = _of_get_opp_desc_node(cpu_dev);
+ np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
if (!np) {
dev_dbg(cpu_dev, "%s: Couldn't find opp node.\n", __func__);
return -ENOENT;
@@ -630,7 +631,7 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev,
}
/* Get OPP descriptor node */
- tmp_np = _of_get_opp_desc_node(tcpu_dev);
+ tmp_np = dev_pm_opp_of_get_opp_desc_node(tcpu_dev);
if (!tmp_np) {
dev_err(tcpu_dev, "%s: Couldn't find opp node.\n",
__func__);
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 0edd88f93904..a5b1aaeae229 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -270,6 +270,7 @@ void dev_pm_opp_of_remove_table(struct device *dev);
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);
#else
static inline int dev_pm_opp_of_add_table(struct device *dev)
{
@@ -293,6 +294,11 @@ static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct
{
return -ENOTSUPP;
}
+
+static inline struct device_node *dev_pm_opp_of_get_opp_desc_node(struct device *dev)
+{
+ return NULL;
+}
#endif
#endif /* __LINUX_OPP_H__ */
--
2.11.0
--
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