Re: [RFC lora-next 5/5] HACK: net: lora: sx130x: Add PicoCell gateway shim for cdc-acm

[Rob Herring]

On Fri, Jan 4, 2019 at 5:21 AM Andreas FÃrber <afaerber@xxxxxxx> wrote:
>
> Ignore our device in cdc-acm probing and add a new driver for it,
> dispatching to cdc-acm for the actual implementation.
>
> WARNING: It is likely that this VID/PID is in use for unrelated devices.
> Only the Product string hints what this really is in current v0.2.1.
> Previous code v0.2.0 was using a Semtech VID/PID, but no card shipping
> with such firmware is known to me.
>
> While this may seem unorthodox, no internals of the driver are accessed,
> just the set of driver callbacks is duplicated as shim.
>
> Use this shim construct to fake DT nodes for serdev on probe.
> For testing purposes these nodes do not have a parent yet.
> This results in two "Error -2 creating of_node link" warnings on probe.

It looks like the DT is pretty static. Rather than creating the nodes
at run-time, can't you create a dts file and build that into your
module.

Rob