linux-kernel - linux-next: build failure after merge of the tip tree

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Date:   Wed, 21 Sep 2016 13:23:57 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Subject: linux-next: build failure after merge of the tip tree

Hi all,

After merging the tip tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

drivers/cpufreq/cpufreq.c:1324:12: error: conflicting types for 'cpufreq_offline'
 static int cpufreq_offline(unsigned int cpu)
            ^
drivers/cpufreq/cpufreq.c:1289:13: note: previous declaration of 'cpufreq_offline' was here
 static void cpufreq_offline(unsigned int cpu);
             ^

Caused by commit

  27622b061eb4 ("cpufreq: Convert to hotplug state machine")

interacting with commit

  26619804e733 ("cpufreq: create link to policy only for registered CPUs")

from the pm tree.

I have applied the foloowing build fix for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Wed, 21 Sep 2016 13:20:32 +1000
Subject: [PATCH] cpufreq: merge fix for type of cpufreq_offline changing

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/cpufreq/cpufreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 611395cb115e..6e6c1fb60fbc 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1286,7 +1286,7 @@ out_free_policy:
 	return ret;
 }
 
-static void cpufreq_offline(unsigned int cpu);
+static int cpufreq_offline(unsigned int cpu);
 
 /**
  * cpufreq_add_dev - the cpufreq interface for a CPU device.
-- 
2.8.1

-- 
Cheers,
Stephen Rothwell