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

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> -----Original Message-----
> From: Oliver Neukum [mailto:oliver@xxxxxxxxxx]
> Sent: Friday, July 17, 2009 7:12 AM
> 
> > The sierra.c driver is sufficient to interact over USB interfaces for
> > all of our modem products, so one driver fits all. However many of our
> > modems today do not support Selective Suspend – they may crash or behave
> > unpredictably when suspended -  but they may eventually support it.
> 
> In this case you should add those devices to the quirk list with
> the RESET_RESUME quirk. As you currently do not implement
> a handler for reset_resume, usbcore will leave those devices alone.
> 
 
Looks like this suggestion would work as discussed, but at the cost of
editing/compiling/installing. For most of the audience reading this it's 
not a big deal, but our modems are in the hands of consumers. Why on earth
would you expect an end-user to have to patch and install a driver just so 
they can turn on a feature? This patch we are submitting already does this
via our so-called redundant module attribute. Perhaps also not the most 
elegant solution, but easier than patching/building/installing.

Cheers 

Rory

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