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-rw-r--r--drivers/opp/core.c28
-rw-r--r--include/linux/pm_opp.h6
2 files changed, 34 insertions, 0 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 2b5584ef0350..fac84d5a1d45 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1136,6 +1136,34 @@ put_opp_table:
}
EXPORT_SYMBOL_GPL(dev_pm_opp_set_rate);
+/**
+ * dev_pm_opp_set_opp() - Configure device for OPP
+ * @dev: device for which we do this operation
+ * @opp: OPP to set to
+ *
+ * This configures the device based on the properties of the OPP passed to this
+ * routine.
+ *
+ * Return: 0 on success, a negative error number otherwise.
+ */
+int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp)
+{
+ struct opp_table *opp_table;
+ int ret;
+
+ opp_table = _find_opp_table(dev);
+ if (IS_ERR(opp_table)) {
+ dev_err(dev, "%s: device opp doesn't exist\n", __func__);
+ return PTR_ERR(opp_table);
+ }
+
+ ret = _set_opp(dev, opp_table, opp, opp ? opp->rate : 0);
+ dev_pm_opp_put_opp_table(opp_table);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(dev_pm_opp_set_opp);
+
/* OPP-dev Helpers */
static void _remove_opp_dev(struct opp_device *opp_dev,
struct opp_table *opp_table)
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index a2c871799603..7b1d47ab3fb3 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -158,6 +158,7 @@ void dev_pm_opp_detach_genpd(struct opp_table *opp_table);
struct opp_table *devm_pm_opp_attach_genpd(struct device *dev, const char **names, struct device ***virt_devs);
int dev_pm_opp_xlate_performance_state(struct opp_table *src_table, struct opp_table *dst_table, unsigned int pstate);
int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
+int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp);
int dev_pm_opp_set_bw(struct device *dev, struct dev_pm_opp *opp);
int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const struct cpumask *cpumask);
int dev_pm_opp_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask);
@@ -377,6 +378,11 @@ static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_f
return -ENOTSUPP;
}
+static inline int dev_pm_opp_set_opp(struct device *dev, struct dev_pm_opp *opp)
+{
+ return -ENOTSUPP;
+}
+
static inline int dev_pm_opp_set_bw(struct device *dev, struct dev_pm_opp *opp)
{
return -EOPNOTSUPP;