lkml.org 
[lkml]   [2013]   [Nov]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH 2/4] cpufreq: exynos: Consider hibernation in pm notifier
From
On 19 November 2013 18:59, Jonghwan Choi <jhbird.choi@gmail.com> wrote:
> Frequency lock should be considered in suspend/hibernation.

These could turn out to be important logs for future. Please write
with more effort..

> Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
> ---
> drivers/cpufreq/exynos-cpufreq.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
> index f3c2287..cd05b0a 100644
> --- a/drivers/cpufreq/exynos-cpufreq.c
> +++ b/drivers/cpufreq/exynos-cpufreq.c
> @@ -187,6 +187,7 @@ static int exynos_cpufreq_pm_notifier(struct notifier_block *notifier,
> int ret;
>
> switch (pm_event) {
> + case PM_HIBERNATION_PREPARE:
> case PM_SUSPEND_PREPARE:
> mutex_lock(&cpufreq_lock);
> frequency_locked = true;
> @@ -198,6 +199,8 @@ static int exynos_cpufreq_pm_notifier(struct notifier_block *notifier,
>
> break;
>
> + case PM_POST_HIBERNATION:
> + case PM_POST_RESTORE:
> case PM_POST_SUSPEND:
> mutex_lock(&cpufreq_lock);
> frequency_locked = false;

@Rafael: So we have few more drivers which are already doing such
stuff (even tegra as well)..


\
 
 \ /
  Last update: 2013-11-19 16:01    [W:0.087 / U:0.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site