On Tuesday, March 5, 2019 1:55:26 PM CET Ulf Hansson wrote:
> In a step to consolidate code around fetching the runtime PM active/suspend
> time for a device, let's re-factor the existing pm_runtime_suspended_time()
> and add a new corresponding pm_runtime_active_time(). Make the latter
> shared internally to the PM core, as in following changes it starts making
> use of it.
>
> Signed-off-by: Ulf Hansson <ulf.hans...@linaro.org>
> ---
> drivers/base/power/power.h | 1 +
> drivers/base/power/runtime.c | 14 ++++++++++++--
> 2 files changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
> index c511def48b48..ec33fbdb919b 100644
> --- a/drivers/base/power/power.h
> +++ b/drivers/base/power/power.h
> @@ -21,6 +21,7 @@ static inline void pm_runtime_early_init(struct device *dev)
> extern void pm_runtime_init(struct device *dev);
> extern void pm_runtime_reinit(struct device *dev);
> extern void pm_runtime_remove(struct device *dev);
> +extern u64 pm_runtime_active_time(struct device *dev);
>
> #define WAKE_IRQ_DEDICATED_ALLOCATED BIT(0)
> #define WAKE_IRQ_DEDICATED_MANAGED BIT(1)
> diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
> index 78937c45278c..d1908fc422cc 100644
> --- a/drivers/base/power/runtime.c
> +++ b/drivers/base/power/runtime.c
> @@ -98,7 +98,7 @@ static void __update_runtime_status(struct device *dev,
> enum rpm_status status)
> dev->power.runtime_status = status;
> }
>
> -u64 pm_runtime_suspended_time(struct device *dev)
> +static u64 rpm_account_time(struct device *dev, bool suspend)
> {
> u64 time;
> unsigned long flags;
> @@ -106,12 +106,22 @@ u64 pm_runtime_suspended_time(struct device *dev)
> spin_lock_irqsave(&dev->power.lock, flags);
>
> update_pm_runtime_accounting(dev);
> - time = dev->power.suspended_time;
> + time = suspend ? dev->power.suspended_time : dev->power.active_time;
>
> spin_unlock_irqrestore(&dev->power.lock, flags);
>
> return time;
> }
> +
> +u64 pm_runtime_active_time(struct device *dev)
> +{
> + return rpm_account_time(dev, false);
> +}
> +
> +u64 pm_runtime_suspended_time(struct device *dev)
> +{
> + return rpm_account_time(dev, true);
> +}
> EXPORT_SYMBOL_GPL(pm_runtime_suspended_time);
>
> /**
>
Both [1-2/2] applied with some manual changes (please see linux-next
tomorrow).
