[Skiboot] Preparing for skiboot-5.0
benh at au1.ibm.com
Thu Mar 5 10:46:24 AEDT 2015
On Thu, 2015-03-05 at 10:22 +1100, Stewart Smith wrote:
> Cedric Le Goater <clg at fr.ibm.com> writes:
> > As for the DTS patchset, I think you should wait.
> > The patchset breaks compatibility with the older kernels and, from the
> > latest discussions, this is not what we want : older distros on new
> > firmware should continue to have sensor support.
> Correct. I was just noticing that when reviewing.
> > This means that the DTS patchset should be doing something else than
> > what it proposes. It should add in a seamlessly fashion a new set of
> > nodes for the DTS and update the Linux ibmpowernv driver to take them
> > into account.
> > I will re-work the code in that direction. This should be possible but
> > the current layout is difficult to extend and manipulate. The main reason
> > being that the sensor type, index, and attribute name are encoded in the
> > node name.
> can always add properties and add something for compatible, right?
Yes, we can add new properties, we just have to keep the name of the
existing sensors. We don't need old kernels to be able to "see" the new
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