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Message-ID: <871qgs4jzm.wl-tiwai@suse.de>
Date:   Fri, 28 Jul 2023 08:40:13 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Richard Weinberger <richard@....at>,
        Anton Ivanov <anton.ivanov@...bridgegreys.com>,
        Johannes Berg <johannes@...solutions.net>,
        linux-um@...ts.infradead.org, Tejun Heo <tj@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        linux-kbuild@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v3] um/drivers: fix hostaudio build errors

On Fri, 28 Jul 2023 06:30:13 +0200,
Randy Dunlap wrote:
> 
> Use "select"s to ensure that the required kconfig symbols are set
> as expected.
> Drop HOSTAUDIO since it is now equivalent to UML_SOUND.
> 
> Allow SOUND with UML regardless of HAS_IOMEM. Otherwise there is a
> kconfig warning for unmet dependencies. (This was not an issue when
> SOUND was defined in arch/um/drivers/Kconfig. I have done 50 randconfig
> builds and didn't find any issues.)
> 
> This fixes build errors when CONFIG_SOUND is not set:
> 
> ld: arch/um/drivers/hostaudio_kern.o: in function `hostaudio_cleanup_module':
> hostaudio_kern.c:(.exit.text+0xa): undefined reference to `unregister_sound_mixer'
> ld: hostaudio_kern.c:(.exit.text+0x15): undefined reference to `unregister_sound_dsp'
> ld: arch/um/drivers/hostaudio_kern.o: in function `hostaudio_init_module':
> hostaudio_kern.c:(.init.text+0x19): undefined reference to `register_sound_dsp'
> ld: hostaudio_kern.c:(.init.text+0x31): undefined reference to `register_sound_mixer'
> ld: hostaudio_kern.c:(.init.text+0x49): undefined reference to `unregister_sound_dsp'
> 
> and this kconfig warning:
> WARNING: unmet direct dependencies detected for SOUND
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Fixes: d886e87cb82b ("sound: make OSS sound core optional")
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Reported-by: kernel test robot <lkp@...el.com>
> Link: lore.kernel.org/r/202307141416.vxuRVpFv-lkp@...el.com
> Cc: Richard Weinberger <richard@....at>
> Cc: Anton Ivanov <anton.ivanov@...bridgegreys.com>
> Cc: Johannes Berg <johannes@...solutions.net>
> Cc: linux-um@...ts.infradead.org
> Cc: Tejun Heo <tj@...nel.org>
> Cc: Takashi Iwai <tiwai@...e.de>
> Cc: Jaroslav Kysela <perex@...ex.cz>
> Cc: Masahiro Yamada <masahiroy@...nel.org>
> Cc: Nathan Chancellor <nathan@...nel.org>
> Cc: Nick Desaulniers <ndesaulniers@...gle.com>
> Cc: Nicolas Schier <nicolas@...sle.eu>
> Cc: linux-kbuild@...r.kernel.org
> Cc: alsa-devel@...a-project.org

Reviewed-by: Takashi Iwai <tiwai@...e.de>


I'm not sure who should take it.  If it's preferred through sound.git
tree, let me know.


thanks,

Takashi

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