From 597ff5431fd41afa888809f7936508a15c977cde Mon Sep 17 00:00:00 2001
From: Dmitry Osipenko <digetx@gmail.com>
Date: Mon, 18 Jan 2021 03:55:19 +0300
Subject: opp: Add dev_pm_opp_get_required_pstate()

Add dev_pm_opp_get_required_pstate() which allows OPP users to retrieve
required performance state of a given OPP.

Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Tested-by: Matt Merhar <mattmerhar@protonmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
 include/linux/pm_opp.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'include/linux/pm_opp.h')

diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 2b3030cb2ed2..8f926815bad9 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -98,6 +98,9 @@ unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp);
 
 unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp);
 
+unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp,
+					    unsigned int index);
+
 bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp);
 
 int dev_pm_opp_get_opp_count(struct device *dev);
@@ -186,6 +189,13 @@ static inline unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp)
 	return 0;
 }
 
+static inline
+unsigned int dev_pm_opp_get_required_pstate(struct dev_pm_opp *opp,
+					    unsigned int index)
+{
+	return 0;
+}
+
 static inline bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp)
 {
 	return false;
-- 
cgit