Re: [PATCH] ASoC: rt5651: use msleep for large delays

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On Wed, Jan 11, 2017 at 06:59:52PM +0000, Nicholas Mc Guire wrote:
> On Wed, Jan 11, 2017 at 06:06:58PM +0000, Mark Brown wrote:

> > Yes, but as fairly recently discussed somewhere on the lists (and IIRC
> > actually fixed) approximately no users expect or want that behaviour -

> True its an odd behavior - the point just was to change the actual behavior
> as little from current state as one might expect. Anywa - will fix it up 

Unfortunately the current state will often reflect a change from the
original or at least expected behaviour.

> then and resend - in this particular case it really makes little 

Thanks.

> difference - assuming that both the minimum and maximum value were 
> suitable to ensure that the writes had compled or it was actually a failure.

It can create confusion where the delay comes from a datasheet or tech
note and people are left wondering why a different value is used by the
kernel, and in a lot of the paths with delays in them are pretty
sensitive to the overall time to run so there's a strong desire to keep
the delays as low as possible.

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