Am Freitag 04 Juli 2008 00:08:49 schrieb Oliver Neukum:
> Mutual exclusion is a very good idea. And telling input devices that
> they are open is also a good idea. But this will be difficult, as open()
> will almost certainly wish to do as memory allocations can trigger
> an autoresume.
Sorry, it is late.
Again, in clear language.
You will face a deadlock problem, as open can call into resume,
due to
a) usb_autopm_get_interface()
b) any memory allocation that triggers autoresumption of another
interface of the same device
Regards
Oliver
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