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

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Date:   Tue, 11 Dec 2018 09:22:26 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Biju Das <biju.das@...renesas.com>,
        Fabrizio Castro <fabrizio.castro@...renesas.com>,
        Yoshihiro Shimoda <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

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?

> 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>

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