Messages in this thread | | | Subject | Re: [PATCH v3 4/4] thermal: cpuidle: Register cpuidle cooling device | From | Daniel Lezcano <> | Date | Tue, 21 Apr 2020 10:15:31 +0200 |
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Hi Lorenzo, Sudeep,
other patches of the series are acked / reviewed.
If you are ok with these changes, could you add your acked-by so I can merge all the series via the thermal tree?
Thanks
-- Daniel
On 15/04/2020 00:08, Daniel Lezcano wrote: > The cpuidle driver can be used as a cooling device by injecting idle > cycles. The DT binding for the idle state added an optional > > When the property is set, register the cpuidle driver with the idle > state node pointer as a cooling device. The thermal framework will do > the association automatically with the thermal zone via the > cooling-device defined in the device tree cooling-maps section. > > Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> > --- > drivers/cpuidle/cpuidle-arm.c | 5 +++++ > drivers/cpuidle/cpuidle-psci.c | 5 +++++ > 2 files changed, 10 insertions(+) > > diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c > index 9e5156d39627..2406ac0ae134 100644 > --- a/drivers/cpuidle/cpuidle-arm.c > +++ b/drivers/cpuidle/cpuidle-arm.c > @@ -8,6 +8,7 @@ > > #define pr_fmt(fmt) "CPUidle arm: " fmt > > +#include <linux/cpu_cooling.h> > #include <linux/cpuidle.h> > #include <linux/cpumask.h> > #include <linux/cpu_pm.h> > @@ -124,6 +125,10 @@ static int __init arm_idle_init_cpu(int cpu) > if (ret) > goto out_kfree_drv; > > + ret = cpuidle_cooling_register(drv); > + if (ret) > + pr_err("Failed to register the idle cooling device: %d\n", ret); > + > return 0; > > out_kfree_drv: > diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c > index edd7a54ef0d3..8e805bff646f 100644 > --- a/drivers/cpuidle/cpuidle-psci.c > +++ b/drivers/cpuidle/cpuidle-psci.c > @@ -9,6 +9,7 @@ > #define pr_fmt(fmt) "CPUidle PSCI: " fmt > > #include <linux/cpuhotplug.h> > +#include <linux/cpu_cooling.h> > #include <linux/cpuidle.h> > #include <linux/cpumask.h> > #include <linux/cpu_pm.h> > @@ -305,6 +306,10 @@ static int __init psci_idle_init_cpu(int cpu) > if (ret) > goto out_kfree_drv; > > + ret = cpuidle_cooling_register(drv); > + if (ret) > + pr_err("Failed to register the idle cooling device: %d\n", ret); > + > return 0; > > out_kfree_drv: >
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