linux-kernel - Re: [PATCH v3 05/22] ASoC: mediatek: Add common machine soundcard driver probe mechanism

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Date: Tue, 26 Mar 2024 10:01:19 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Mark Brown <broonie@...nel.org>
Cc: wenst@...omium.org, lgirdwood@...il.com, robh@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 matthias.bgg@...il.com, perex@...ex.cz, tiwai@...e.com,
 trevor.wu@...iatek.com, maso.huang@...iatek.com,
 xiazhengqiao@...qin.corp-partner.google.com, arnd@...db.de,
 kuninori.morimoto.gx@...esas.com, shraash@...gle.com, amergnat@...libre.com,
 nicolas.ferre@...rochip.com, u.kleine-koenig@...gutronix.de,
 dianders@...omium.org, frank.li@...o.com, allen-kh.cheng@...iatek.com,
 eugen.hristev@...labora.com, claudiu.beznea@...on.dev,
 jarkko.nikula@...mer.com, jiaxin.yu@...iatek.com, alpernebiyasak@...il.com,
 ckeepax@...nsource.cirrus.com, zhourui@...qin.corp-partner.google.com,
 nfraprado@...labora.com, alsa-devel@...a-project.org,
 shane.chien@...iatek.com, linux-sound@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 kernel@...labora.com
Subject: Re: [PATCH v3 05/22] ASoC: mediatek: Add common machine soundcard
 driver probe mechanism

Il 25/03/24 15:18, Mark Brown ha scritto:
> On Wed, Mar 13, 2024 at 12:01:30PM +0100, AngeloGioacchino Del Regno wrote:
>> Add a common machine soundcard driver probe function that supports both
>> DSP and AFE-direct usecases and also provides a hook for legacy machine
>> soundcard driver probe mechanisms.
>>
>> Note that the hook is there because, even for legacy probe, a lot of the
>> actual code can still be commonized, hence still reducing duplication
>> for the legacy devicetree retrocompatibility cases.
>>
>> This common probe function deprecates all of the inconsistent previous
>> probe mechanisms and aims to settle all of the MediaTek card drivers on
>> consistent and common devicetree properties describing wanted DAIs,
>> device specific DAI configuration and DAI links to codecs found on
>> each device/board.
> 
> This breaks allmodconfig builds:

Oops. Forgot to test this commit without the next one constifying stuff around.
I'll recheck and make this one right. Good catch!

Thanks for notifying!

Cheers,
Angelo

> 
> 
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_dai_link_fixup’:
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:18:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
>     18 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
>        |                                         ^~~~~~~~~~~~~
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_card_probe’:
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:58:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
>     58 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
>        |                                         ^~~~~~~~~~~~~
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_find_tplg_be’:
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:76:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
>     76 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
>        |                                         ^~~~~~~~~~~~~
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_check_tplg_be_dai_link_fixup’:
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:116:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
>    116 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
>        |                                         ^~~~~~~~~~~~~
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c: In function ‘mtk_sof_card_late_probe’:
> /build/stage/linux/sound/soc/mediatek/common/mtk-dsp-sof-common.c:147:41: error: initialization discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]
>    147 |         struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
>        |                                         ^~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> 
>