linux-kernel - Re: [PATCH V9 2/4] kbuild: Add generic rule to apply fdtoverlay

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Date:   Wed, 3 Mar 2021 11:49:39 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        David Gibson <david@...son.dropbear.id.au>,
        Frank Rowand <frowand.list@...il.com>,
        Michal Simek <michal.simek@...inx.com>,
        Anmar Oueja <anmar.oueja@...aro.org>,
        Bill Mills <bill.mills@...aro.org>,
        Rob Herring <robh@...nel.org>,
        linux-kbuild <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V9 2/4] kbuild: Add generic rule to apply fdtoverlay

Hi Viresh,

On Wed, Mar 3, 2021 at 5:36 AM Viresh Kumar <viresh.kumar@...aro.org> wrote:
> From: Rob Herring <robh@...nel.org>
>
> Add a generic rule to apply fdtoverlay in Makefile.lib, so every
> platform doesn't need to carry the complex rule.
>
> The platform's Makefile only needs to have this now:
>
>  DTC_FLAGS_foo_base += -@
>  foo-dtbs := foo_base.dtb foo_overlay1.dtbo foo_overlay2.dtbo
>  dtb-y := foo.dtb

Is there a way to autogenerate the DTC_FLAGS_foo_base rule, based on
the foo-dtbs rule?

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds