On Wed, 2009-03-11 at 09:07 -0700, Luis R. Rodriguez wrote: > > This is utterly insane. Just make it _always_ do the spinlock, and get > > rid of the hotplug notifier and all that crap. > > That is certainly an option as well but we would obviously be incurring > the lock on all reads/writes regardless of what bus you use which is > not necessary. We'll review this and determine whether its worth it. Hmm. I really don't understand this at all. Most operations won't be single writes and reads, and if you need multiple like a write+read for indirect register accesses then I'm sure you need to serialise them against each other in some other way too, no? johannes
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