linux-kernel - Re: [PATCH] ARM: shmobile: fix build regressions

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Date:   Tue, 11 Dec 2018 09:37:59 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        biju.das@...renesas.com, fabrizio.castro@...renesas.com,
        yoshihiro.shimoda.uh@...esas.com,
        Jacopo Mondi <jacopo+renesas@...ndi.org>,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: shmobile: fix build regressions

On Tue, Dec 11, 2018 at 9:22 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>
> Hi Arnd,
>
> On Mon, Dec 10, 2018 at 10:00 PM Arnd Bergmann <arnd@...db.de> wrote:
> > A number of Kconfig options have become available now to random ARM
> > platforms outside of ARCH_MULTIPLATFORM, which now causes Kconfig
> > warnings, and other build errors when those select options that
> > lack additonal dependencies, e.g.:
> >
> > WARNING: unmet direct dependencies detected for HAVE_ARM_ARCH_TIMER
> >   Depends on [n]: CPU_V7 [=n]
> >   Selected by [y]:
> >   - ARCH_RCAR_GEN2 [=y] && SOC_RENESAS [=y]
> >   - ARCH_R8A73A4 [=y] && SOC_RENESAS [=y] && ARM [=y]
> >
> > WARNING: unmet direct dependencies detected for SYS_SUPPORTS_EM_STI
> >   Depends on [n]: GENERIC_CLOCKEVENTS [=n]
> >   Selected by [y]:
> >   - ARCH_EMEV2 [=y] && SOC_RENESAS [=y] && ARM [=y]
> >
> > Put the old dependency on ARCH_RENESAS back for the moment to restore
> > the previous behavior.
>
> Thanks, the build bots must be lazy or overloaded these days...
> The ARM selects are indeed more troublesome than the ARM64 ones.
>
> BTW, did you see issues with the ARM64 Kconfig symbol move too,
> or is that mitigated by ARM64 always selecting GENERIC_CLOCKEVENTS?

I restarted my randconfig builder yesterday, and after a few hundred builds
on each architecture, I did not see any arm64 failures, so it's
probably ok there.
I have a clean build now (about to rebase to today's linux-next, which will
surely change that).

> > Fixes: 062887bf5ef7 ("ARM: shmobile: Move SoC Kconfig symbols to drivers/soc/renesas/")
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
>
> Acked-by: Geert Uytterhoeven <geert+renesas@...der.be>

Thanks.

     Arnd