linux-kernel - Re: [PATCH] ASoC: mediatek: SND_SOC_MT8195 remove depends on COMPILE

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Date:   Sun, 19 Sep 2021 13:21:13 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Jackie Liu <liu.yun@...ux.dev>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        ALSA Development Mailing List <alsa-devel@...a-project.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jaroslav Kysela <perex@...ex.cz>
Subject: Re: [PATCH] ASoC: mediatek: SND_SOC_MT8195 remove depends on COMPILE_TEST

Hi Jackie,

On Sat, Sep 18, 2021 at 7:17 AM Jackie Liu <liu.yun@...ux.dev> wrote:
> From: Jackie Liu <liuyun01@...inos.cn>
>
> After compiling with COMPILE_TEST, we are most likely to compile on a
> different architecture, such as x86. At this time, it is possible that
> the HAVE_CLK macro is not selected, resulting in compilation failure.
>
> Avoid fail like:
>
>   Kernel: arch/x86/boot/bzImage is ready  (#17)
>   ERROR: modpost: "clkdev_add" [sound/soc/mediatek/mt8195/snd-soc-mt8195-afe.ko] undefined!
>   ERROR: modpost: "clkdev_drop" [sound/soc/mediatek/mt8195/snd-soc-mt8195-afe.ko] undefined!
>   ERROR: modpost: "clk_unregister_gate" [sound/soc/mediatek/mt8195/snd-soc-mt8195-afe.ko] undefined!
>   ERROR: modpost: "clk_register_gate" [sound/soc/mediatek/mt8195/snd-soc-mt8195-afe.ko] undefined!
>   make[1]: *** [scripts/Makefile.modpost:134: modules-only.symvers] Error 1
>   make[1]: *** Deleting file 'modules-only.symvers'
>   make: *** [Makefile:1783: modules] Error 2
>
> Cc: Geert Uytterhoeven <geert+renesas@...der.be>
> Fixes: 940ffa194547 ("ASoC: mediatek: SND_SOC_MT8195 should depend on ARCH_MEDIATEK")
> Signed-off-by: Jackie Liu <liuyun01@...inos.cn>

Thanks for your patch!

> --- a/sound/soc/mediatek/Kconfig
> +++ b/sound/soc/mediatek/Kconfig
> @@ -187,7 +187,7 @@ config SND_SOC_MT8192_MT6359_RT1015_RT5682
>
>  config SND_SOC_MT8195
>         tristate "ASoC support for Mediatek MT8195 chip"
> -       depends on ARCH_MEDIATEK || COMPILE_TEST
> +       depends on ARCH_MEDIATEK

Instead of dropping support for compile-testing, wouldn't it be better
to add the missing real dependencies?

    HAVE_CLK (clkdev_add, clkdev_drop)
    COMMON_CLK (clk_unregister_gate, clk_register_gate)

As the latter selects the former, adding the line

    depends on COMMON_CLK

Also, the Fixes line is wrong as the link failure happened before.
Fixes: 6746cc858259985a ("ASoC: mediatek: mt8195: add platform driver")

>         select SND_SOC_MEDIATEK
>         help
>           This adds ASoC platform driver support for Mediatek MT8195 chip

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