From ef51a2254d6579560bf7ff8ebbeb9b3848fe10bf Mon Sep 17 00:00:00 2001 From: Tomeu Vizoso Date: Thu, 7 Jan 2016 16:46:14 +0100 Subject: BACKPORT: PM / sleep: Go direct_complete if driver has no callbacks Backport notes: This resolves clk warnings in the designware i2c driver on HiKey seen during suspend/resume. Cherrypicked from: aa8e54b559479d0cb7eb632ba443b8cacd20cd4b If a suitable prepare callback cannot be found for a given device and its driver has no PM callbacks at all, assume that it can go direct to complete when the system goes to sleep. The reason for this is that there's lots of devices in a system that do no PM at all and there's no reason for them to prevent their ancestors to do direct_complete if they can support it. Change-Id: Ia773afb4b266f012336b99fc8cf87453839e078b Signed-off-by: Tomeu Vizoso Reviewed-by: Ulf Hansson Signed-off-by: Rafael J. Wysocki [jstultz: Backported to 4.4] Signed-off-by: John Stultz --- include/linux/pm.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/pm.h b/include/linux/pm.h index 528be6787796..6a5d654f4447 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -573,6 +573,7 @@ struct dev_pm_info { struct wakeup_source *wakeup; bool wakeup_path:1; bool syscore:1; + bool no_pm_callbacks:1; /* Owned by the PM core */ #else unsigned int should_wakeup:1; #endif -- cgit v1.2.3