Re: [RFC PATCH 0/2] PM / devfreq: Add delayed timer for polling

Lukasz Luba
2020-07-08T14:01:31Z

Hi all,

On 7/3/20 7:26 AM, Chanwoo Choi wrote:
> Add the delayed timer to devfreq framework in order to support
> the periodical polling mode without stop caused by CPU idle state.
> Some Non-CPU device must need to monitor the device status like
> utilization regardless of CPU state.
>
> - patch1 explains the detailed reason why the delayed timer is required.
> - patch2 initializes that exynos5422-dmc device use delayed timer as default
> instead of deferrable timer.
>
> Chanwoo Choi (2):
> PM / devfreq: Add support delayed timer for polling mode
> memory: samsung: exynos5422-dmc: Use delayed timer as default
>
> Documentation/ABI/testing/sysfs-class-devfreq | 12 +++
> drivers/devfreq/devfreq.c | 83 ++++++++++++++++++-
> drivers/memory/samsung/exynos5422-dmc.c | 1 +
> include/linux/devfreq.h | 9 ++
> 4 files changed, 104 insertions(+), 1 deletion(-)
>

My apologizes for being late for the party. I wasn't able to run tests
and I had to fix my setup after I messed up some scripts.

The patch set looks good to me, so you can add my (to both patches):

Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>

I have run these Willy's benchmark tests and I will send some
follow up patches in a few minutes.

Regards,
Lukasz