lkml.org 
[lkml]   [2018]   [Dec]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v3 4/5] drivers: power: suspend: call devfreq suspend/resume
From
Date
Hi Rafael,

I see that you have pulled 3 patches.
Please take also this patch, which is actually enabling the feature.

Regards,
Lukasz

On 12/5/18 12:05 PM, Lukasz Luba wrote:
> Devfreq framework supports suspend of its devices.
> Call the the devfreq interface and allow devfreq devices preserve/restore
> their states during suspend/resume.
>
> Suggested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
> Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
> ---
> drivers/base/power/main.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
> index a690fd4..0992e67 100644
> --- a/drivers/base/power/main.c
> +++ b/drivers/base/power/main.c
> @@ -32,6 +32,7 @@
> #include <trace/events/power.h>
> #include <linux/cpufreq.h>
> #include <linux/cpuidle.h>
> +#include <linux/devfreq.h>
> #include <linux/timer.h>
>
> #include "../base.h"
> @@ -1078,6 +1079,7 @@ void dpm_resume(pm_message_t state)
> dpm_show_time(starttime, state, 0, NULL);
>
> cpufreq_resume();
> + devfreq_resume();
> trace_suspend_resume(TPS("dpm_resume"), state.event, false);
> }
>
> @@ -1852,6 +1854,7 @@ int dpm_suspend(pm_message_t state)
> trace_suspend_resume(TPS("dpm_suspend"), state.event, true);
> might_sleep();
>
> + devfreq_suspend();
> cpufreq_suspend();
>
> mutex_lock(&dpm_list_mtx);
>

\
 
 \ /
  Last update: 2018-12-13 15:35    [W:1.700 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site