Re: [PATCH 4/4] PM / devfreq: Consider hibernation in pm notifier

[MyungJoo Ham]

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

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




Cheers,
MyungJoo.

> ---
>  drivers/devfreq/exynos/exynos5_bus.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/devfreq/exynos/exynos5_bus.c b/drivers/devfreq/exynos/exynos5_bus.c
> index a60da3c..bd672de0 100644
> --- a/drivers/devfreq/exynos/exynos5_bus.c
> +++ b/drivers/devfreq/exynos/exynos5_bus.c
> @@ -268,6 +268,7 @@ static int exynos5_busfreq_int_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);
> @@ -300,6 +301,7 @@ unlock:
>                 if (err)
>                         return NOTIFY_BAD;
>                 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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