linux-kernel - [PATCH] time: remove no_sync_cmos

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Message-Id: <1328990099-6428-1-git-send-email-cesarb@cesarb.net>
Date:	Sat, 11 Feb 2012 17:54:59 -0200
From:	Cesar Eduardo Barros <cesarb@...arb.net>
To:	linux-kernel@...r.kernel.org
Cc:	John Stultz <johnstul@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Alok N Kataria <akataria@...are.com>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Cesar Eduardo Barros <cesarb@...arb.net>
Subject: [PATCH] time: remove no_sync_cmos_clock

Commit 9863c90f682fba34cdc26c3437e8c00da6c83fa4 (x86, vmware: Remove
deprecated VMI kernel support) removed the only place which set
no_sync_cmos_clock. Since that commit, this variable is never set.

Signed-off-by: Cesar Eduardo Barros <cesarb@...arb.net>
---
 include/linux/time.h |    1 -
 kernel/time/ntp.c    |    6 +-----
 2 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/include/linux/time.h b/include/linux/time.h
index b306178..97734e9 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -116,7 +116,6 @@ static inline struct timespec timespec_sub(struct timespec lhs,
 extern void read_persistent_clock(struct timespec *ts);
 extern void read_boot_clock(struct timespec *ts);
 extern int update_persistent_clock(struct timespec now);
-extern int no_sync_cmos_clock __read_mostly;
 void timekeeping_init(void);
 extern int timekeeping_suspended;
 
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index f6117a4..20bff28 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -444,9 +444,6 @@ void second_overflow(void)
 
 #ifdef CONFIG_GENERIC_CMOS_UPDATE
 
-/* Disable the cmos update - used by virtualization and embedded */
-int no_sync_cmos_clock  __read_mostly;
-
 static void sync_cmos_clock(struct work_struct *work);
 
 static DECLARE_DELAYED_WORK(sync_cmos_work, sync_cmos_clock);
@@ -493,8 +490,7 @@ static void sync_cmos_clock(struct work_struct *work)
 
 static void notify_cmos_timer(void)
 {
-	if (!no_sync_cmos_clock)
-		schedule_delayed_work(&sync_cmos_work, 0);
+	schedule_delayed_work(&sync_cmos_work, 0);
 }
 
 #else
-- 
1.7.7.6

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