Re: Re: [PATCH] regmap: add iopoll-like atomic polling macro

[Mark Brown]

On Wed, Jan 08, 2020 at 10:20:37AM +0530, Sameer Pujar wrote:

> While checking the documentation on snd_soc_dai_ops, it appears trigger() is
> in atomic context.
> This means I cannot use regmap interface (with default configuration) in
> trigger().
> The above issue went away with usage of regmap_read_poll_timeout_atomic()
> and now I think I just got lucky.

It's fine if your regmap is set up to support atomic use (using a flat
or no cache and MMIO) but not for regmaps in general, I'm asking you to
document the fact that it's only usable with some regmaps.

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