From: sboyd@codeaurora.org (Stephen Boyd)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] cpufreq: db8500: set CPUFREQ_CONST_LOOPS
Date: Mon, 17 Dec 2012 10:24:15 -0800 [thread overview]
Message-ID: <50CF634F.1040708@codeaurora.org> (raw)
In-Reply-To: <1354615845-2758-3-git-send-email-fabio.baltieri@linaro.org>
On 12/04/12 02:10, Fabio Baltieri wrote:
> 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@linaro.org>
> Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.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,
Wouldn't you want to fold this into the previous patch so bisection is
not broken? Otherwise you have a place where lpj is all screwed up when
cpufreq mucks with it.
--
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next prev parent reply other threads:[~2012-12-17 18:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-04 10:10 [PATCH 0/2] clocksource: nomadik-mtu: support timer-based delay Fabio Baltieri
2012-12-04 10:10 ` [PATCH 1/2] " Fabio Baltieri
2012-12-04 10:10 ` [PATCH 2/2] cpufreq: db8500: set CPUFREQ_CONST_LOOPS Fabio Baltieri
2012-12-17 18:24 ` Stephen Boyd [this message]
2012-12-17 22:03 ` Fabio Baltieri
2012-12-17 11:36 ` [PATCH 0/2] clocksource: nomadik-mtu: support timer-based delay Fabio Baltieri
2012-12-17 18:38 ` Linus Walleij
2012-12-17 18:59 ` John Stultz
2012-12-19 15:34 ` Linus Walleij
2012-12-19 16:18 ` John Stultz
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