[alsa-devel] [PATCH] ALSA: ac97: Switch to dev_pm_ops

[Mark Brown]

On Fri, Aug 07, 2015 at 09:32:13AM -0700, Dmitry Torokhov wrote:
> On Fri, Aug 07, 2015 at 10:13:48AM +0200, Lars-Peter Clausen wrote:

> > We know that it is used when CONFIG_PM_SLEEP is defined and we know that it
> > is unused CONFIG_PM_SLEEP is not defined. Marking the function as
> > __maybe_unused will cause the compiler to not generate a warning when the
> > function is really unused. Making this explicit works much better.

> It will also drop the code form the final image and having the functions
> in provides better compile coverage.

Just discussed this in person with Dmitry: I'll apply the patch just now
for v4.3 and we can incrementally improve the ifdef handling after.
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