Messages in this thread |  | | Subject | Re: [PATCH V2 7/7] cpuidle/drivers/cpuidle-arm: Register the cooling device | From | "Wangtao (Kevin, Kirin)" <> | Date | Sat, 24 Feb 2018 10:50:16 +0800 |
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On 2018/2/21 23:29, Daniel Lezcano wrote: > Register the ARM generic cpuidle driver as a cooling device. > > Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> > --- > drivers/cpuidle/cpuidle-arm.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c > index ddee1b6..c100915 100644 > --- a/drivers/cpuidle/cpuidle-arm.c > +++ b/drivers/cpuidle/cpuidle-arm.c > @@ -11,6 +11,7 @@ > > #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> > @@ -172,6 +173,10 @@ static int __init arm_idle_init(void) > goto out_fail; > } > > + ret = cpuidle_cooling_register(); > + if (ret) > + pr_warn("Failed to register the cpuidle cooling device\n"); > + SoC which uses Big-Little architecture doesn't use cpuidle-arm driver, is it better to put cpuidle_cooling_register to cpuidle_register_driver, and use the cpumask of cpuidle driver to register cpuidle cooling device intead of get it from topology? > return 0; > > out_fail: >
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