Re: [PATCH v3 6/9] kbuild: consolidate Devicetree dtb build rules
From: Andreas Färber <afaerber@suse.de>
Date: 2018-09-28 17:21:51
Also in:
linux-arm-kernel, linux-devicetree, linux-kbuild, linux-mips, lkml
Hi Geert, Am 13.09.18 um 17:51 schrieb Geert Uytterhoeven:
On Wed, Sep 12, 2018 at 3:02 AM Masahiro Yamada [off-list ref] wrote:quoted
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)