[Gta04-owner] Upstreaming GTA04-GPS driver...

Dr. H. Nikolaus Schaller hns at goldelico.com
Tue Oct 21 09:24:34 CEST 2014

Hi Boudewijn,

Am 20.10.2014 um 21:45 schrieb Boudewijn <wankelwankel at yahoo.com>:

> On Monday 20 October 2014 19:28:28 Dr. H. Nikolaus Schaller wrote:
>> Hi,
>> we have updated the GPS driver that (...) works completely well with device 
> tree in the 3.17.0 kernel.
> :-)
>> Therefore we have submitted it for inclusion in 3.19…
> :-)
>> But so far they do reject it.
> :-(
>> Please read the full discussion we have had so far here:
>> https://lkml.org/lkml/2014/10/16/634
> Thanks to previous discussions on our list and the extensive commentary in the 
> code, I can follow what's happening and why. After a lot of chewing I might be 
> able to follow the code, but giving arguments in favour or help on an 
> alternative are beyond me.
> Pity Arnd did not yet give a reply in the later thread. 
>> Now we need your help.
>> Either by finding arguments why our solution is the right one.
>> Or help transform the driver to the binding they did recommend.
> The only thing that comes to mind, is a misconception about the driver based 
> on the name. After reading the full mail and having the discussion, both Mark 
> and Arnd must understand that it is not a GPS-driver for the actual GPS-
> funtionality but more of a virtual multiway switch (as is described in the 
> conversation; what came to my mind is decribed as 'the traveler system' [0] on 
> wikipedia) for a generic device that happens to produce an EMEA stream because 
> there’s a GPS 

Ok, that is an interesting view. So it is more or less a “pinctl-and-gpio" driver that happens
to fit to the w2sg0004 chip.

> What I understand from x is that he dislikes the inferred state of the device, 
> which is exactly what we have been disliking about the device for a couple of 
> years now ;-)

Not really, but he basically dislikes that we use a virtual gpio instead of a real one.

> Best regards,
> Boudewijn


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