[v12,1/2] i2c: buses: add i2c bus driver for NVIDIA GPU

[Ajay Gupta <ajayg@nvidia.com>]

Hi Heikki and Peter,

> > > Can we get the working set in while the issues is being debugged?
> >
> > I'm not the one making the decision, and I don't even know if this is
> > going through the i2c or the usb tree? If it's going through the i2c
> > tree you need a tag from the usb people (Greg?) on patch 2/2, and if
> > it's going through the usb tree, you need a tag from Wolfram on patch
> > 1/2. As I said, I'm not involved with that part, I'm just reviewing
> > these patches because I felt like it.
> >
> > The remaining issue that bothers me is the looping reads, and your
> > email address reveals that you should be in a very good position to
> > work out why they do not work, and fix it or let us know why they
> > don't.
I am working with different teams to debug this and I think it may take
some time to know the root cause.

>> However, your responses indicate that you have given up. That
> > coupled with the fact that the datasheet is not publicly available
> > (but why, seems a little over-protective to think the interface to an
> > i2c controller is worth all that much) makes me think that perhaps
> > this little detail might never be fixed if it's not fixed now. Once
> > merged, there is no pressure on you to actually do anything about it,
> > and others are stuck in darkness without a spec.
> 
> I got similar impression. Ajay, you have really made it look like you just want
> to dump the code even though it still has problems, then lift your arms and
> never look back. I'm sure that is not the case, but the fact that you are
> continuously making pleas, asking us to just accept the code even though it is
> not ready, does give that impression.
> I can appreciate that you are in a hurry, and I know you have a lot of other
> tasks that also need your attention, just like everybody, but I'm asking you to
> take a deep breath, and take one more look at these two drivers. Go over the
> code as a whole instead of trying to fix the problems as fast as possible
> (you've sent a new version almost daily).
> I'm certain you can figure out how to fix that last issue. You are almost there.
> 
> And when you are ready, please include a cover letter in your next version and
> provide some background for these patches if you can.
Ok.

Thanks
Ajay

--nvpublic
> Ideally you could tell something about the platform that has that the PD
> controller and the I2C host. There you can also mention which tree you think
> these patches should go through, usb or i2c. I'm guessing usb based on the
> fact that the I2C host controller driver seems to be there just for the USB PD
> controller, at least for now.
> 
> 
> Thanks,
> 
> --
> heikki