On Wed, 2018-08-22 at 20:26 -0500, Rob Herring wrote: > 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? Not sure ... Forth itself is insensitive for words but maybe not for string comparisons. > > > > 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. :) I have a collection of DT dumps but I'm not sure about the legality of publishing them... Cheers, Ben.
