RE: [PATCH v15 10/10] usb:dummy_hcd: Force FS device connectionaccording to module parameter

From: Alan Stern
Date: Tue Jun 07 2011 - 09:45:34 EST


On Tue, 7 Jun 2011, Tanya Brokhman wrote:

> > You might want to print out some kind of error message if the user
> > specifies is_super_speed = True and is_high_speed = False.
> >
>
> I thought about that as well. Even added it but removed at the last minute
> :) I encountered quite a few places in the code where some error message to
> the user is really needed but is missing

What other places? There is very little the user has to do with
dummy-hcd -- really nothing more than setting the module parameters.

> so my impression was that it's best
> to keep the printks to a minimum. Isn't that the general approach? IMO, in
> this particular case informing the user isn't a "must". If you feel strongly
> about it I can add the message.

IMO the driver should print an error message and fail to load if there
are contradictory module parameters.

Alan Stern

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