Re: [PATCH] powerpc: build dtb even without COMPILE_TEST

From: Rob Herring
Date: Fri Jan 04 2019 - 12:47:03 EST

On Fri, Jan 4, 2019 at 3:58 AM Corentin Labbe <clabbe@xxxxxxxxxxxx> wrote:
> I wanted to test the virtex440-ml507 qemu machine and found that the dtb
> for it was not builded.

Just do:

make virtex440-ml507.dtb

> All powerpc DTB are only built when CONFIG_OF_ALL_DTBS is set which depend on
> But building DTB is not related to a "compile build test".

But it is. We normally only build the dtbs for enabled platforms just
like we only build platform/driver code for enabled platforms. It's
hidden behind COMPILE_TEST so it only gets enabled for
allmodconfig/allyesconfig builds.

> So this patch made building of DTB independent of COMPILE_TEST (by
> depending only on the PPC arch)
> A better selection of which DTB to build could be done in the future
> like that do the ARM arch.

No reason you can't start that now for the platform you care about.
You don't have to convert everyone.