Hi! > >> Is this always the case? In the R-Car VIN driver I register the video > >> devices using video_register_device() in the complete handler. Am I > >> doing things wrong in that driver? I had a patch where I moved the > >> video_register_device() call to probe time but it got shoot down in > >> review and was dropped. > > > > I don't think the current implementation is wrong, it's just different > > from other drivers; there's really no requirement regarding this AFAIU. > > It's one of the things where no attention has been paid I presume. > > It actually is a requirement: when a device node appears applications can > reasonably expect to have a fully functioning device. True for any device > node. You don't want to have to wait until some unspecified time before > the full functionality is there. Well... /dev/sdb appears, but you still get -ENOMEDIA before user presses "Turn on USB storage" button on android phone. So I agree it is not desirable, but it sometimes happens. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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