Re: [PATCH v7 04/20] PM / devfreq: Add new DEVFREQ_TRANSITION_NOTIFIER notifier

[MyungJoo Ham]

>   
>  This patch adds the new DEVFREQ_TRANSITION_NOTIFIER notifier to send
> the notification when the frequency of device is changed.
> This notifier has two state as following:
> - DEVFREQ_PRECHANGE  : Notify it before chaning the frequency of device
> - DEVFREQ_POSTCHANGE : Notify it after changed the frequency of device
> 
> And this patch adds the resourced-managed function to release the resource
> automatically when error happen.
> 
> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> [m.reichl and linux.amoon: Tested it on exynos4412-odroidu3 board]
> Tested-by: Markus Reichl <m.reichl@xxxxxxxxxxxxx>
> Tested-by: Anand Moon <linux.amoon@xxxxxxxxx>

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

> ---
>  drivers/devfreq/devfreq.c | 163 +++++++++++++++++++++++++++++++++++++++++++++-
>  include/linux/devfreq.h   |  59 ++++++++++++++++-
>  2 files changed, 220 insertions(+), 2 deletions(-)