linux-kernel - Re: [PATCH] cpufreq: Fix latency for cpufreq

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Message-ID: <CAKohpo=R4sjEGUFDt2yubfTQ+r1FO5RtFBYg8XROH-SYu90Zew@mail.gmail.com>
Date:	Mon, 14 Jul 2014 12:00:14 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Nicholas Krause <xerofoify@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cpufreq: Fix latency for cpufreq_info

On 14 July 2014 11:58, Nicholas Krause <xerofoify@...il.com> wrote:
> This fixes the latency for the cpufreq policy to 1 million nanoseconds
> that calls the function pxa_cpu_init for the member of the structure
> called cpuinfo.transition_latency.
>
> Signed-off-by: Nicholas Krause <xerofoify@...il.com>
> ---
>  drivers/cpufreq/pxa2xx-cpufreq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/pxa2xx-cpufreq.c b/drivers/cpufreq/pxa2xx-cpufreq.c
> index e24269a..e08bb98 100644
> --- a/drivers/cpufreq/pxa2xx-cpufreq.c
> +++ b/drivers/cpufreq/pxa2xx-cpufreq.c
> @@ -372,7 +372,7 @@ static int pxa_cpufreq_init(struct cpufreq_policy *policy)
>         init_sdram_rows();
>
>         /* set default policy and cpuinfo */
> -       policy->cpuinfo.transition_latency = 1000; /* FIXME: 1 ms, assumed */
> +       policy->cpuinfo.transition_latency = 1000000;
>
>         /* Generate pxa25x the run cpufreq_frequency_table struct */
>         for (i = 0; i < NUM_PXA25x_RUN_FREQS; i++) {

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
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