On Wed, Aug 22, 2018 at 8:14 PM Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, 2018-08-22 at 19:47 -0500, Rob Herring wrote: > > The default DT string handling in the kernel is node names and > > compatibles are case insensitive and property names are case sensitive > > (Sparc is the the only variation and is opposite). It seems only PPC > > (and perhaps only Power Macs?) needs to support case insensitive > > comparisons. It was probably a mistake to follow PPC for new arches > > and we should have made everything case sensitive from the start. So I > > have a few questions for the DT historians. :) > > Open Firmware itself is insensitive. Doesn't it depend on the implementation? Otherwise, how is Sparc different? > > What PPC systems are case insensitive? Can we limit that to certain systems? > > All PowerMacs at least, the problem is that I don't have DT images or > access to all the historical systems (and yes some people occasionally > still use them) to properly test a change in that area. I'm temped to break them so I can find folks to provide me with DT dumps. :) Rob