linux-kernel - Re: [PATCH 3/4] PM / devfreq: Consider hibernation in pm notifier

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Date:	Wed, 20 Nov 2013 18:45:51 +0900
From:	MyungJoo Ham <myungjoo.ham@...sung.com>
To:	Jonghwan Choi <jhbird.choi@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Kukjin Kim <kgene.kim@...sung.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux Samsung SoC <linux-samsung-soc@...r.kernel.org>,
	Jonghwan Choi <jhbird.choi@...sung.com>
Subject: Re: [PATCH 3/4] PM / devfreq: Consider hibernation in pm notifier

On Tue, Nov 19, 2013 at 10:30 PM, Jonghwan Choi <jhbird.choi@...il.com> wrote:
> Frequency lock should be considered in suspend/hibernation.
>
> Signed-off-by: Jonghwan Choi <jhbird.choi@...sung.com>

Signed-off-by: MyungJoo Ham <myungjoo.ham@...sung.com>

Applied in "driver-update" branch.

Do you want this to be synchronously merged with others (1/4, 2/4) or
is it ok to be done asynchronously?


Cheers,
MyungJoo.

> ---
>  drivers/devfreq/exynos/exynos4_bus.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/devfreq/exynos/exynos4_bus.c b/drivers/devfreq/exynos/exynos4_bus.c
> index cede6f7..dd6947e 100644
> --- a/drivers/devfreq/exynos/exynos4_bus.c
> +++ b/drivers/devfreq/exynos/exynos4_bus.c
> @@ -962,6 +962,7 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this,
>         int err = 0;
>
>         switch (event) {
> +       case PM_HIBERNATION_PREPARE:
>         case PM_SUSPEND_PREPARE:
>                 /* Set Fastest and Deactivate DVFS */
>                 mutex_lock(&data->lock);
> @@ -1005,6 +1006,7 @@ unlock:
>                 if (err)
>                         return err;
>                 return NOTIFY_OK;
> +       case PM_POST_HIBERNATION:
>         case PM_POST_RESTORE:
>         case PM_POST_SUSPEND:
>                 /* Reactivate */
> --
> 1.8.1.2
>
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-- 
MyungJoo Ham, Ph.D.
System S/W Lab, S/W Center, Samsung Electronics
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