| Message ID | 1447799871-56374-16-git-send-email-lina.iyer@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Lina Iyer <lina.iyer@linaro.org> writes: > Allow devices that know when their next wakeup event is, to record save > it as part of timing data. A genpd governor may use this data to > determine if suspending the domain is going to affect the QoS of its > devices. > > Signed-off-by: Lina Iyer <lina.iyer@linaro.org> > --- > include/linux/pm_domain.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h > index f1329ea..9ac089d 100644 > --- a/include/linux/pm_domain.h > +++ b/include/linux/pm_domain.h > @@ -16,6 +16,7 @@ > #include <linux/of.h> > #include <linux/notifier.h> > #include <linux/spinlock.h> > +#include <linux/ktime.h> > > /* Defines used for the flags field in the struct generic_pm_domain */ > #define GENPD_FLAG_PM_CLK (1U << 0) /* PM domain uses PM clk */ > @@ -104,6 +105,7 @@ struct gpd_timing_data { > s64 effective_constraint_ns; > bool constraint_changed; > bool cached_stop_ok; > + ktime_t next_wakeup; > }; The addition of a new field should be combined with the patch that uses it (e.g. PATCH 16/27) Kevin
On Thu, Nov 19 2015 at 15:19 -0700, Kevin Hilman wrote: >Lina Iyer <lina.iyer@linaro.org> writes: > >> Allow devices that know when their next wakeup event is, to record save >> it as part of timing data. A genpd governor may use this data to >> determine if suspending the domain is going to affect the QoS of its >> devices. >> >> Signed-off-by: Lina Iyer <lina.iyer@linaro.org> >> --- >> include/linux/pm_domain.h | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h >> index f1329ea..9ac089d 100644 >> --- a/include/linux/pm_domain.h >> +++ b/include/linux/pm_domain.h >> @@ -16,6 +16,7 @@ >> #include <linux/of.h> >> #include <linux/notifier.h> >> #include <linux/spinlock.h> >> +#include <linux/ktime.h> >> >> /* Defines used for the flags field in the struct generic_pm_domain */ >> #define GENPD_FLAG_PM_CLK (1U << 0) /* PM domain uses PM clk */ >> @@ -104,6 +105,7 @@ struct gpd_timing_data { >> s64 effective_constraint_ns; >> bool constraint_changed; >> bool cached_stop_ok; >> + ktime_t next_wakeup; >> }; > >The addition of a new field should be combined with the patch that uses >it (e.g. PATCH 16/27) > Okay. Will do. >Kevin
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index f1329ea..9ac089d 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -16,6 +16,7 @@ #include <linux/of.h> #include <linux/notifier.h> #include <linux/spinlock.h> +#include <linux/ktime.h> /* Defines used for the flags field in the struct generic_pm_domain */ #define GENPD_FLAG_PM_CLK (1U << 0) /* PM domain uses PM clk */ @@ -104,6 +105,7 @@ struct gpd_timing_data { s64 effective_constraint_ns; bool constraint_changed; bool cached_stop_ok; + ktime_t next_wakeup; }; struct pm_domain_data {
Allow devices that know when their next wakeup event is, to record save it as part of timing data. A genpd governor may use this data to determine if suspending the domain is going to affect the QoS of its devices. Signed-off-by: Lina Iyer <lina.iyer@linaro.org> --- include/linux/pm_domain.h | 2 ++ 1 file changed, 2 insertions(+)