Messages in this thread | | | Subject | Re: [PATCH v3 6/9] kbuild: consolidate Devicetree dtb build rules | From | Andreas Färber <> | Date | Fri, 28 Sep 2018 19:21:45 +0200 |
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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@socionext.com> 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
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