Am Freitag, 30. Juni 2006 16:15 schrieben Sie:
> On Fri, 30 Jun 2006, Oliver Neukum wrote:
> In this situation it's not clear whether blocking requests is the right
> thing to do. It might be better to fail them. Or to automatically resume
> the device and then carry out the request.
I got to do something. And whatever it is, it should be decided higher up.
Given the infrastructure in place I report it the most sensible way
available.
> BTW, if your driver has any URBs in flight then it's good form for the
> suspend method to block until they are all completed (possibly after
> unlinking some of them), instead of returning an error. Of course, this
> depends on the nature and structure of the driver.
The device has a very nasty tendency to crash if an action is aborted
and waiting for up to a minute is very unattractive in kernel.
Regards
Oliver
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