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[2/8] PM / Domain: Add residency property to genpd states

Message ID 1475699519-109623-3-git-send-email-lina.iyer@linaro.org (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Lina Iyer Oct. 5, 2016, 8:31 p.m. UTC
Residency of a domain's idle state indicates that the minimum idle time
for the domain's idle state to be beneficial for power. Add the
parameter to the state node. Future patches, will use the residency
value in the genpd governor to determine if it is worth while to enter
an idle state.

Signed-off-by: Lina Iyer <lina.iyer@linaro.org>
---
 include/linux/pm_domain.h | 1 +
 1 file changed, 1 insertion(+)

Comments

Ulf Hansson Oct. 6, 2016, 8:38 a.m. UTC | #1
On 5 October 2016 at 22:31, Lina Iyer <lina.iyer@linaro.org> wrote:
> Residency of a domain's idle state indicates that the minimum idle time
> for the domain's idle state to be beneficial for power. Add the
> parameter to the state node. Future patches, will use the residency
> value in the genpd governor to determine if it is worth while to enter
> an idle state.
>
> Signed-off-by: Lina Iyer <lina.iyer@linaro.org>

Acked-by: Ulf Hansson <ulf.hansson@linaro.org>

Kind regards
Uffe

> ---
>  include/linux/pm_domain.h | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
> index bd1ffb9..c113713 100644
> --- a/include/linux/pm_domain.h
> +++ b/include/linux/pm_domain.h
> @@ -38,6 +38,7 @@ struct gpd_dev_ops {
>  struct genpd_power_state {
>         s64 power_off_latency_ns;
>         s64 power_on_latency_ns;
> +       s64 residency_ns;
>  };
>
>  struct generic_pm_domain {
> --
> 2.7.4
>
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diff mbox

Patch

diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index bd1ffb9..c113713 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -38,6 +38,7 @@  struct gpd_dev_ops {
 struct genpd_power_state {
 	s64 power_off_latency_ns;
 	s64 power_on_latency_ns;
+	s64 residency_ns;
 };
 
 struct generic_pm_domain {