[RFC] soc_pcm_open: error path behavior change since v5.6

[Mark Brown]

On Fri, Sep 04, 2020 at 09:01:03AM +0900, Kuninori Morimoto wrote:

> > Should dai's ::shutdown() be introducing some kind of state-check from
> > now on? - similarly to how developers deal with some of the core pcm
> > operations e.g.: ::prepare() (as it may get invoked multiple times in
> > a row so check is there to prevent redundancy).
> > Or, perhaps behavior change should be reverted with ::shutdown()
> > routine again being called only after successful ::startup()?

> I'm sorry but I couldn't 100% understand your opinion.
> But I understand that it is related to rollback order.
> Now I'm posting patch for it. It is not yet 100% but 1st step.
> Does it help for you ?

> https://lore.kernel.org/r/87wo1kvozz.wl-kuninori.morimoto.gx@renesas.com

It's not just the ordering, it's more the fact that we will clean up
things which failed to initialize.
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