linux-kernel - Re: [PATCH v2 1/5] ASoC: Explicitly include correct DT includes

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Message-ID: <72f8f521-93f0-4e3d-929c-f7478622ddb3@sirena.org.uk>
Date:   Wed, 4 Oct 2023 18:39:41 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Claudiu Beznea <claudiu.beznea@...on.dev>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Peter Rosin <peda@...ntia.se>,
        Lars-Peter Clausen <lars@...afoo.de>, nuno.sa@...log.com,
        James Schulman <james.schulman@...rus.com>,
        David Rhodes <david.rhodes@...rus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Shenghao Ding <shenghao-ding@...com>,
        Kevin Lu <kevin-lu@...com>, Baojun Xu <baojun.xu@...com>,
        Oder Chiou <oder_chiou@...ltek.com>,
        Fabio Estevam <festevam@...il.com>,
        Kiseok Jo <kiseok.jo@...ndevice.com>,
        Kevin Cernekee <cernekee@...omium.org>,
        Shengjiu Wang <shengjiu.wang@...il.com>,
        Xiubo Li <Xiubo.Lee@...il.com>,
        Nicolin Chen <nicoleotsuka@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Banajit Goswami <bgoswami@...cinc.com>,
        Nicolas Frattaroli <frattaroli.nicolas@...il.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Ban Tao <fengzheng923@...il.com>,
        Peter Ujfalusi <peter.ujfalusi@...il.com>,
        Jarkko Nikula <jarkko.nikula@...mer.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Olivier Moysan <olivier.moysan@...s.st.com>,
        Arnaud Pouliquen <arnaud.pouliquen@...s.st.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        alsa-devel@...a-project.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org,
        Jernej Skrabec <jernej.skrabec@...il.com>
Subject: Re: [PATCH v2 1/5] ASoC: Explicitly include correct DT includes

On Wed, Oct 04, 2023 at 10:58:05AM -0500, Rob Herring wrote:
> The DT of_device.h and of_platform.h date back to the separate
> of_platform_bus_type before it was merged into the regular platform bus.
> As part of that merge prepping Arm DT support 13 years ago, they
> "temporarily" include each other. They also include platform_device.h
> and of.h. As a result, there's a pretty much random mix of those include
> files used throughout the tree. In order to detangle these headers and
> replace the implicit includes with struct declarations, users need to
> explicitly include the correct includes.

This is breaking various builds for me, for example arm64 defconfig:

/build/stage/linux/sound/soc/rockchip/rockchip_i2s_tdm.c: In function ‘rockchip_i2s_tdm_probe’:
/build/stage/linux/sound/soc/rockchip/rockchip_i2s_tdm.c:1557:17: error: implicit declaration of function ‘of_match_device’; did you mean ‘of_match_node’? [-Werror=implicit-function-declaration]
 1557 |         of_id = of_match_device(rockchip_i2s_tdm_match, &pdev->dev);
      |                 ^~~~~~~~~~~~~~~
      |                 of_match_node
/build/stage/linux/sound/soc/rockchip/rockchip_i2s_tdm.c:1557:15: warning: assignment to ‘const struct of_device_id *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
 1557 |         of_id = of_match_device(rockchip_i2s_tdm_match, &pdev->dev);
      |               ^
/build/stage/linux/sound/soc/tegra/tegra210_amx.c: In function ‘tegra210_amx_platform_probe’:
/build/stage/linux/sound/soc/tegra/tegra210_amx.c:541:17: error: implicit declaration of function ‘of_match_device’; did you mean ‘of_match_node’? [-Werror=implicit-function-declaration]
  541 |         match = of_match_device(tegra210_amx_of_match, dev);
      |                 ^~~~~~~~~~~~~~~
      |                 of_match_node
/build/stage/linux/sound/soc/tegra/tegra210_amx.c:541:15: warning: assignment to ‘const struct of_device_id *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  541 |         match = of_match_device(tegra210_amx_of_match, dev);
      |               ^
cc1: some warnings being treated as errors

multi_v7_defconfig is also broken.

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