Messages in this thread | | | Date | Mon, 1 Jun 2015 17:36:04 +0100 | From | Mark Brown <> | Subject | Re: [PATCH v7 1/4] ASoC: arizona: Export functions to control subsystem DVFS |
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On Mon, Jun 01, 2015 at 05:22:51PM +0100, Richard Fitzgerald wrote: > On Mon, Jun 01, 2015 at 05:10:47PM +0100, Mark Brown wrote:
> > > + if (priv->dvfs_reqs) > > > + ret = arizona_dvfs_disable(codec);
> > Are you sure that the function shouldn't check for requests? It seems > > like every caller is repeating the same check.
> Sorry, I don't understand your comment here. When SYSCLK is disabled > we need to disable DVFS so that the codec can't go into suspend in the > illegal state of DVFS enabled but insifficient DCVDD. However, if > dvfs_reqs==0 DVFS is already disabled so we can save some time.
Sure, but you repeat the same tests for dvfs_reqs at every call site which suggests it should be factored into the functions. [unhandled content-type:application/pgp-signature] | |