Hi, On Wed, Oct 8, 2014 at 8:20 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote: > Why does it cause a regression though? Does this mean you are breaking > any boot with an old DT file and a new kernel? That would be very > bad, the driver is supposed to keep working with an existing dtb. The old dts file specified completely the wrong regulator. It happened that the old code didn't really care, but when the code was fixed to care then things broke. If we need to keep old dts files working then the most sensible place to do it would be in a "fixup old broken device trees" stage somewhere in kernel boot. -Doug -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html