Re: [PATCH 1/1] HID: add have_special_driver hid module parameter

["Henrik Rydberg" <rydberg@euromail.se>]

On Tue, Apr 03, 2012 at 10:01:37AM -0700, Jiri Kosina wrote:
> On Tue, 3 Apr 2012, Henrik Rydberg wrote:
> 
> > > It probably should, yes. One of the reasons supporting this is that during 
> > > USB reset (for example), the descriptors are reread from the device, which 
> > > has a potential to cause a mismatch if a full rebind cycle is not 
> > > performed. (I have a patch in my queue that tries to fix this, but moving 
> > > the fixups to ll drivers is still something I will be considering).
> > 
> > Sounds good, it will also pave the way for the modalias patches.
> 
> A proper and clean implementation will have to be thought about though.
> 
> I specifically want to avoid situation when we'll be heading towards 
> "let's put all quirk handling into one driver under giant VID/PID-based 
> switch", as getting rid of that was the very original pulse to have HID 
> bus introduced.

Absolutely. Less in-kernel lookups, less complex switches and more modularity.

Henrik