Re: [PATCH v2 0/8] gnss: add new GNSS subsystem

H. Nikolaus Schaller
2018-05-31T09:52:25Z

> Am 31.05.2018 um 10:52 schrieb Johan Hovold <johan@kernel.org>:
>
> On Wed, May 30, 2018 at 07:38:22AM -0700, Richard Cochran wrote:
>> On Wed, May 30, 2018 at 12:32:34PM +0200, Johan Hovold wrote:
>>> Another possible extension is to add generic 1PPS support.
>>
>> There are two possibilities to consider.
>>
>> 1. If the PPS causes an interrupt, then it should hook into the PPS
>> subsystem.
>
> Registering a PPS child device is what I had in mind for this.

This seems to be duplicating functionality that is already solved by

https://elixir.bootlin.com/linux/v4.17-rc7/source/Documentation/devicetree/bindings/pps/pps-gpio.txt

and

https://elixir.bootlin.com/linux/v4.17-rc7/source/drivers/pps/clients/pps-gpio.c

Or what is bad with just using that?

BR,
Nikolaus