On Friday 04 January 2013 10:48:16 Dan Williams wrote:
> Some drivers (ex sierra_net) need the status interrupt URB
> active even when the device is closed, because they receive
> custom indications from firmware. Allow sub-drivers to set
> a flag that submits the status interrupt URB on probe and
> keeps the URB alive over device open/close. The URB is still
> killed/re-submitted for suspend/resume, as before.
>
> Signed-off-by: Dan Williams <d...@redhat.com>
> ---
> Oliver: alternatively, is there a problem with *always*
> submitting the interrupt URB, and then simply not calling
> the subdriver's .status function when the netdev is
> closed? That would be a much simpler patch.
That is quite radical. We have no idea what a device
does when we do not react to a status update. I would
much prefer to not take the risk.
Besides, we don't use bandwidth if we don't have to.
Regards
Oliver
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