David Brownell wrote: > On Tuesday 26 February 2008, David Newall wrote: > >> Hardware can be inserted and removed while we're in a suspend state; and >> there's nothing that we can do about it until we resume. Is it fair to >> say, then, that having started suspend, we could reasonably ignore any >> device insertion and removal, and handle it on resume? >> > > "Ignore" seems a bit strong; those events may be wakeup triggers, > which would cause the hardware to make it a very short suspend state. > > "Defer handling" is more to the point, be it by hardware or software. > > Of course, "defer". The insertion has to be handled eventually. What I'm wondering is if we can ignore it, and catch it on the resume. >> Presumably we need to scan for hardware changes on resume. >> > > Not on most busses I work with; the hardware issues notifications > whenever the devices are removable. > There's no notification while we're suspended. Isn't it necessary to scan all busses on resume, just to know what's on them? _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
