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Date: 25 Aug 2020 15:46:00 +0900 From: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com> To: Sameer Pujar <spujar@...dia.com> Cc: <broonie@...nel.org>, <perex@...ex.cz>, <tiwai@...e.com>, <robh+dt@...nel.org>, <lgirdwood@...il.com>, <thierry.reding@...il.com>, <jonathanh@...dia.com>, <alsa-devel@...a-project.org>, <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <sharadg@...dia.com>, <mkumard@...dia.com>, <viswanathl@...dia.com>, <rlokhande@...dia.com>, <dramesh@...dia.com>, <atalambedu@...dia.com>, <nwartikar@...dia.com>, <swarren@...dia.com>, <nicoleotsuka@...il.com> Subject: Re: [PATCH v2 3/9] ASoC: audio-graph: Identify 'no_pcm' DAI links for DPCM Hi Sameer > > Other solution is create both snd_soc_find_dai_with_mutex()/without_mutex(). > > I'm not sure which style is best. > > I don't know how complex it is to have a unified solution. But if we > can protect snd_soc_find_dai() itself, things would be simpler may be > in long term. Right now there are separate source files for soc-core, > soc-dai and soc-component, but because of two approaches looks like > the function need to be moved around and need to be placed in > soc-core. Also the issue might go unnoticed if LOCKDEP is not enabled. > > May be start with a wrapper for now and eventually unify? Yeah, it seems has _with_mutex() can be better idea. I'm posting patch, but I noticed that Mark's branch vs Linus branch have some mismatch (?), and now I'm asking it to him. I can post _with_mutex() version as v2 if I could get answer. After that I'm happy your next patch can re-use it. Thank you for your help !! Best regards --- Kuninori Morimoto
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