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From: Saravana Kannan <skannan@codeaurora.org>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Rafael Wysocki <rjw@rjwysocki.net>,
	linaro-kernel@lists.linaro.org, linux-pm@vger.kernel.org,
	sboyd@codeaurora.org, prarit@redhat.com
Subject: Re: [PATCH 01/18] cpufreq: Drop cpufreq_disabled() check from cpufreq_cpu_{get|put}()
Date: Tue, 03 Feb 2015 14:17:52 -0800	[thread overview]
Message-ID: <54D14910.1020807@codeaurora.org> (raw)
In-Reply-To: <59b0050553f89e00298b585ba89d2627a0fab164.1422346933.git.viresh.kumar@linaro.org>

On 01/27/2015 12:36 AM, Viresh Kumar wrote:
> Even if cpufreq is disabled then also the per-cpu variable will return NULL and
> things will continue working as is. Remove this unnecessary check.

Commit text reword suggestion:

When cpufreq is disabled, the per-cpu variable would have been set to 
NULL. Remove this unnecessary check.

>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
> ---
>   drivers/cpufreq/cpufreq.c | 5 +----
>   1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> index ca69f42b8e1e..72990ba59fad 100644
> --- a/drivers/cpufreq/cpufreq.c
> +++ b/drivers/cpufreq/cpufreq.c
> @@ -203,7 +203,7 @@ struct cpufreq_policy *cpufreq_cpu_get(unsigned int cpu)
>   	struct cpufreq_policy *policy = NULL;
>   	unsigned long flags;
>
> -	if (cpufreq_disabled() || (cpu >= nr_cpu_ids))
> +	if (cpu >= nr_cpu_ids)
>   		return NULL;
>
>   	if (!down_read_trylock(&cpufreq_rwsem))
> @@ -230,9 +230,6 @@ EXPORT_SYMBOL_GPL(cpufreq_cpu_get);
>
>   void cpufreq_cpu_put(struct cpufreq_policy *policy)
>   {
> -	if (cpufreq_disabled())
> -		return;
> -
>   	kobject_put(&policy->kobj);
>   	up_read(&cpufreq_rwsem);
>   }
>

Acked-by: Saravana Kannan <skannan@codeaurora.org>

-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
hosted by The Linux Foundation

  reply	other threads:[~2015-02-03 22:17 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-27  8:36 [PATCH 00/18] cpufreq: don't loose cpufreq history on CPU hotplug Viresh Kumar
2015-01-27  8:36 ` [PATCH 01/18] cpufreq: Drop cpufreq_disabled() check from cpufreq_cpu_{get|put}() Viresh Kumar
2015-02-03 22:17   ` Saravana Kannan [this message]
2015-01-27  8:36 ` [PATCH 02/18] cpufreq: Create for_each_policy() Viresh Kumar
2015-02-03 22:22   ` Saravana Kannan
2015-02-04  4:53     ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 03/18] cpufreq: Create for_each_governor() Viresh Kumar
2015-02-03 22:23   ` Saravana Kannan
2015-01-27  8:36 ` [PATCH 04/18] cpufreq: Manage fallback policies in a list Viresh Kumar
2015-02-03  0:41   ` Rafael J. Wysocki
2015-02-03  4:10     ` Viresh Kumar
2015-02-03 15:04       ` Rafael J. Wysocki
2015-02-04  6:18         ` Viresh Kumar
2015-02-03 22:28   ` Saravana Kannan
2015-02-04  6:20     ` Viresh Kumar
2015-02-04 22:28       ` Saravana Kannan
2015-02-04 23:20         ` Rafael J. Wysocki
2015-02-05  1:55           ` Saravana Kannan
2015-02-05 15:11             ` Rafael J. Wysocki
2015-02-05 22:55               ` Saravana Kannan
2015-02-17  8:06               ` Viresh Kumar
2015-02-17 18:15                 ` Rafael J. Wysocki
2015-02-18  4:23                   ` Viresh Kumar
2015-02-18 21:15                     ` Saravana Kannan
2015-02-19  3:24                       ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 05/18] cpufreq: Manage governor usage history with 'policy->last_governor' Viresh Kumar
2015-02-12  3:03   ` Saravana Kannan
2015-02-12  7:44     ` Viresh Kumar
2015-02-12  8:00       ` skannan
2015-02-17  8:02         ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 06/18] cpufreq: Reuse policy list instead of per-cpu variable 'cpufreq_cpu_data' Viresh Kumar
2015-02-12  3:13   ` Saravana Kannan
2015-02-12  7:48     ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 07/18] cpufreq: Drop (now) useless check 'cpu > nr_cpu_ids' Viresh Kumar
2015-02-12  3:15   ` Saravana Kannan
2015-02-12  7:50     ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 08/18] cpufreq: Add doc style comment about cpufreq_cpu_{get|put}() Viresh Kumar
2015-02-12  3:19   ` Saravana Kannan
2015-02-12  7:52     ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 09/18] cpufreq: Mark policy->governor = NULL for fallback policies Viresh Kumar
2015-02-12  3:22   ` Saravana Kannan
2015-02-12  7:56     ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 10/18] cpufreq: Don't allow updating inactive-policies from sysfs Viresh Kumar
2015-02-12  3:24   ` Saravana Kannan
2015-01-27  8:36 ` [PATCH 11/18] cpufreq: Track cpu managing sysfs kobjects separately Viresh Kumar
2015-01-27  8:36 ` [PATCH 12/18] cpufreq: Stop migrating sysfs files on hotplug Viresh Kumar
2015-01-27  8:36 ` [PATCH 13/18] cpufreq: Keep a single path for adding managed CPUs Viresh Kumar
2015-01-27  8:36 ` [PATCH 14/18] cpufreq: Remove cpufreq_update_policy() Viresh Kumar
2015-01-27  8:36 ` [PATCH 15/18] cpufreq: Initialize policy->kobj while allocating policy Viresh Kumar
2015-01-27  8:36 ` [PATCH 16/18] cpufreq: Call cpufreq_policy_put_kobj() from cpufreq_policy_free() Viresh Kumar
2015-01-27  8:36 ` [PATCH 17/18] cpufreq: Restart governor as soon as possible Viresh Kumar
2015-01-27  8:36 ` [PATCH 18/18] cpufreq: Merge __cpufreq_add_dev() and cpufreq_add_dev() Viresh Kumar
2015-01-27 15:06 ` [PATCH 00/18] cpufreq: don't loose cpufreq history on CPU hotplug Rafael J. Wysocki
2015-01-27 14:59   ` Viresh Kumar
2015-01-28 19:35 ` Saravana Kannan
2015-01-29  1:43   ` Viresh Kumar
2015-02-03  0:30 ` Rafael J. Wysocki

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