[RFC] Remaining drivers in RPI github tree/which drivers to submit

[Stefan Wahren]

> Michael Zoran <mzoran at crowfest.net> hat am 3. Februar 2017 um 20:31 geschrieben:
> 
> 
> On Fri, 2017-02-03 at 13:15 +0100, Stefan Wahren wrote:
> > Am 03.02.2017 um 00:13 schrieb Michael Zoran:
> > > On Thu, 2017-02-02 at 19:02 +0100, Stefan Wahren wrote:
> > 
> > I currently prepare and test OTG/Peripheral support for dwc2 on
> > bcm2835
> > since the latest changes for 4.11.
> > 
> > I would be happy if you could verify with RPi 3 / ARM64 that nothing
> > is
> > broken.
> 
> Sure, but I doubt those drivers have any ARM64 dependencies.

Yes, they shouldn't. Unfortunately there were many USB issues recently.

Here is the repo:

https://github.com/lategoodbye/rpi-zero/tree/gadget-v2

> 
> > > I think vc_cma, vc_mem, and vc_sm need to go into staging
> > > IMHO.  That
> > > way all the vchiq based drivers would be in staging, and it would
> > > be
> > > possible to start stripping out parts of vchiq and simplifying it. 
> > > Which IMHO, is the biggest blocker of progress with vchiq.
> > > 
> > > I was planning to submit vc_cma, vc_mem, and vc_sm tonight if
> > > nobody
> > > has any objections.
> > 
> > I unterstand your intention, but this also means that those drivers
> > needs to be maintained (in parallel to the downstream drivers).
> > 
> > Are their any users from kernel perspective of these drivers?
> > 
> 
> No, not really. The TODO mentions vcdbg.  I loaded it up once, but
> didn't find it very useful.

Doesn't sound like a good motivation to upstream those drivers.