linux-kernel - [tip: timers/core] clocksource: Remove unused clocksource_change

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Message-ID: <172846570954.1442.6028241325035117957.tip-bot2@tip-bot2>
Date: Wed, 09 Oct 2024 09:21:49 -0000
From: "tip-bot2 for Dr. David Alan Gilbert" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Dr. David Alan Gilbert" <linux@...blig.org>,
 Thomas Gleixner <tglx@...utronix.de>, John Stultz <jstultz@...gle.com>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject:
 [tip: timers/core] clocksource: Remove unused clocksource_change_rating

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     5ce9bb4d5af2f5ef38f134e3cb400c873d357de7
Gitweb:        https://git.kernel.org/tip/5ce9bb4d5af2f5ef38f134e3cb400c873d357de7
Author:        Dr. David Alan Gilbert <linux@...blig.org>
AuthorDate:    Wed, 09 Oct 2024 01:30:32 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Wed, 09 Oct 2024 11:14:29 +02:00

clocksource: Remove unused clocksource_change_rating

clocksource_change_rating() has been unused since 2017's commit
63ed4e0c67df ("Drivers: hv: vmbus: Consolidate all Hyper-V specific
clocksource code")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: John Stultz <jstultz@...gle.com>
Link: https://lore.kernel.org/all/20241009003032.254348-1-linux@treblig.org
---
 include/linux/clocksource.h |  1 -
 kernel/time/clocksource.c   | 21 ---------------------
 2 files changed, 22 deletions(-)

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index d35b677..ef1b16d 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -215,7 +215,6 @@ static inline s64 clocksource_cyc2ns(u64 cycles, u32 mult, u32 shift)
 
 extern int clocksource_unregister(struct clocksource*);
 extern void clocksource_touch_watchdog(void);
-extern void clocksource_change_rating(struct clocksource *cs, int rating);
 extern void clocksource_suspend(void);
 extern void clocksource_resume(void);
 extern struct clocksource * __init clocksource_default_clock(void);
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 23336ee..e041ba8 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -1262,27 +1262,6 @@ static void __clocksource_change_rating(struct clocksource *cs, int rating)
 	clocksource_enqueue(cs);
 }
 
-/**
- * clocksource_change_rating - Change the rating of a registered clocksource
- * @cs:		clocksource to be changed
- * @rating:	new rating
- */
-void clocksource_change_rating(struct clocksource *cs, int rating)
-{
-	unsigned long flags;
-
-	mutex_lock(&clocksource_mutex);
-	clocksource_watchdog_lock(&flags);
-	__clocksource_change_rating(cs, rating);
-	clocksource_watchdog_unlock(&flags);
-
-	clocksource_select();
-	clocksource_select_watchdog(false);
-	clocksource_suspend_select(false);
-	mutex_unlock(&clocksource_mutex);
-}
-EXPORT_SYMBOL(clocksource_change_rating);
-
 /*
  * Unbind clocksource @cs. Called with clocksource_mutex held
  */