On Monday, October 05, 2015 11:07:27 AM Pavel Machek wrote: > On Mon 2015-10-05 10:25:45, Tomeu Vizoso wrote: > > On 4 October 2015 at 17:16, Pavel Machek <[email protected]> wrote: > > > On Tue 2015-09-29 14:29:19, Tomeu Vizoso wrote: > > >> 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. > > > > > > Dunno. This sounds like asking for trouble. Even if most devices can > > > handle > > > this, is not this bound to introduce some bugs? > > > > Hi Pavel, > > > > in which situations do you think that this could be problematic? > > Well.. driver with no PM callbacks probably works "by accident",
How exactly? Do you have at least one example of that? Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
