Patch "OPP: The level field is always of unsigned int type" has been added to the 6.7-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    OPP: The level field is always of unsigned int type

to the 6.7-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     opp-the-level-field-is-always-of-unsigned-int-type.patch
and it can be found in the queue-6.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 30905b25847211ef30559939b72bc14af96adfbf
Author: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Date:   Tue Dec 19 11:32:39 2023 +0530

    OPP: The level field is always of unsigned int type
    
    [ Upstream commit ba367479c7ad0b870461024cd5ae7a1ea6e1e3db ]
    
    By mistake, dev_pm_opp_find_level_floor() used the level parameter as
    unsigned long instead of unsigned int. Fix it.
    
    Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index b2971dd95335..f1e54a3a15c7 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -832,9 +832,14 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_find_level_ceil);
  * use.
  */
 struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev,
-					       unsigned long *level)
+					       unsigned int *level)
 {
-	return _find_key_floor(dev, level, 0, true, _read_level, NULL);
+	unsigned long temp = *level;
+	struct dev_pm_opp *opp;
+
+	opp = _find_key_floor(dev, &temp, 0, true, _read_level, NULL);
+	*level = temp;
+	return opp;
 }
 EXPORT_SYMBOL_GPL(dev_pm_opp_find_level_floor);
 
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index ccd97bcef269..18a102174c4f 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -157,7 +157,7 @@ struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
 					      unsigned int *level);
 
 struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev,
-					       unsigned long *level);
+					       unsigned int *level);
 
 struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev,
 					   unsigned int *bw, int index);
@@ -324,7 +324,7 @@ static inline struct dev_pm_opp *dev_pm_opp_find_level_ceil(struct device *dev,
 }
 
 static inline struct dev_pm_opp *dev_pm_opp_find_level_floor(struct device *dev,
-							     unsigned long *level)
+							     unsigned int *level)
 {
 	return ERR_PTR(-EOPNOTSUPP);
 }