linux-kernel - [PATCH 2/2] cpufreq: db8500: set CPUFREQ_CONST

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Message-Id: <1354615845-2758-3-git-send-email-fabio.baltieri@linaro.org>
Date:	Tue,  4 Dec 2012 11:10:45 +0100
From:	Fabio Baltieri <fabio.baltieri@...aro.org>
To:	John Stultz <johnstul@...ibm.com>, Arnd Bergmann <arnd@...db.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Fabio Baltieri <fabio.baltieri@...aro.org>
Subject: [PATCH 2/2] cpufreq: db8500: set CPUFREQ_CONST_LOOPS

As ux500 is being converted to timer based delay loops, and the timer
used is not depending on CPUs clock frequency, set cpufreq_driver flag
CPUFREQ_CONST_LOOPS to prevent cpufreq rescaling loops_for_jiffies.

Acked-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Fabio Baltieri <fabio.baltieri@...aro.org>
---
 drivers/cpufreq/db8500-cpufreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/db8500-cpufreq.c b/drivers/cpufreq/db8500-cpufreq.c
index 74b830b..e758891 100644
--- a/drivers/cpufreq/db8500-cpufreq.c
+++ b/drivers/cpufreq/db8500-cpufreq.c
@@ -150,7 +150,7 @@ static int __cpuinit db8500_cpufreq_init(struct cpufreq_policy *policy)
 }
 
 static struct cpufreq_driver db8500_cpufreq_driver = {
-	.flags  = CPUFREQ_STICKY,
+	.flags  = CPUFREQ_STICKY | CPUFREQ_CONST_LOOPS,
 	.verify = db8500_cpufreq_verify_speed,
 	.target = db8500_cpufreq_target,
 	.get    = db8500_cpufreq_getspeed,
-- 
1.7.12.1

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