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. > 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. > AFAICT, dtc at least (if not anything FDT based) has always been case > sensitive at least for node and property names. I'm not sure about > compatible strings? > > Anyone see potential issues with switching all platforms except PPC > and Sparc to case sensitive comparisons? Cheers, Ben.