From 8a62ffe2753a845272f4f2100b5fca0b6053ff6f Mon Sep 17 00:00:00 2001 From: Vincent Guittot Date: Fri, 21 Dec 2018 11:33:54 +0100 Subject: PM-runtime: Add new interface to get accounted time Some drivers (like i915/drm) needs to get the accounted suspended time. pm_runtime_suspended_time() will return the suspended accounted time in ns unit. Reviewed-by: Ulf Hansson Signed-off-by: Vincent Guittot Signed-off-by: Rafael J. Wysocki --- include/linux/pm_runtime.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 54af4eef169f..a370006921c0 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -113,6 +113,8 @@ static inline bool pm_runtime_is_irq_safe(struct device *dev) return dev->power.irq_safe; } +extern u64 pm_runtime_suspended_time(struct device *dev); + #else /* !CONFIG_PM */ static inline bool queue_pm_work(struct work_struct *work) { return false; } -- cgit