Hi Geert, Am 13.09.18 um 17:51 schrieb Geert Uytterhoeven: > On Wed, Sep 12, 2018 at 3:02 AM Masahiro Yamada > <yamada.masahiro@xxxxxxxxxxxxx> wrote: >> Even x86 can enable OF and OF_UNITTEST. >> >> Another solution might be, >> guard it by 'depends on ARCH_SUPPORTS_OF'. >> >> This is actually what ACPI does. >> >> menuconfig ACPI >> bool "ACPI (Advanced Configuration and Power Interface) Support" >> depends on ARCH_SUPPORTS_ACPI >> ... > > ACPI is a real platform feature, as it depends on firmware. > > CONFIG_OF can be enabled, and DT overlays can be loaded, on any platform, > even if it has ACPI ;-) How would loading a DT overlay work on an ACPI platform? I.e., what would it overlay against and how to practically load such a file? I wonder whether that could be helpful for USB devices and serdev... Cheers, Andreas -- SUSE Linux GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg)
