linux-kernel - Re: [PATCH for-5.15 0/5] ASoC: fsl: register platform component before registering cpu dai

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Message-ID: <20210906114701.GC4309@sirena.org.uk>
Date:   Mon, 6 Sep 2021 12:47:01 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Shengjiu Wang <shengjiu.wang@....com>
Cc:     timur@...nel.org, nicoleotsuka@...il.com, Xiubo.Lee@...il.com,
        festevam@...il.com, perex@...ex.cz, tiwai@...e.com,
        alsa-devel@...a-project.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH for-5.15 0/5] ASoC: fsl: register platform component
 before registering cpu dai

On Fri, Sep 03, 2021 at 06:30:01PM +0800, Shengjiu Wang wrote:

> There is no defer probe when adding platform component to
> snd_soc_pcm_runtime(rtd), the code is in snd_soc_add_pcm_runtime()

...

> So if the platform component is not ready at that time, then the
> sound card still registered successfully, but platform component
> is empty, the sound card can't be used.

This sounds like a bug which should be fixed there?

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