Re: FW: FW: [PATCH 002/002] USB: serial: sierra driver autosuspend support

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On Tue, 21 Jul 2009, Oliver Neukum wrote:

> Am Montag, 20. Juli 2009 20:28:31 schrieb Alan Stern:
> > So given that your proposed solution is worse than the redundant
> > solution, and that the redundant solution is (by definition) worse than
> > the existing situation, I don't see any need to change the driver at
> > all.
> 
> I am afraid we cannot simply ignore this. We have devices which may
> crash in a system wide suspension. They need to be marked as needing
> RESET_RESUME.

It's not clear that the quirk is necessary.  If a device crashes badly
enough during suspend (i.e., if it can no longer respond to a
Get-Device-Status request) then usbcore will detect a problem when it
tries to resume the device.

Otherwise, yes, sierra modem devices can be marked with this quirk.  
The sierra driver doesn't need to be changed though -- only quirks.c.

Alan Stern

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