[PATCH] drm/bridge: cdns: Mark runtime PM operations as maybe unused

[Thierry Reding]

On Thu, Apr 26, 2018 at 04:21:04PM +0200, Daniel Vetter wrote:
> On Thu, Apr 26, 2018 at 03:58:53PM +0200, Thierry Reding wrote:
> > From: Thierry Reding <treding at nvidia.com>
> > 
> > Building the driver in a configuration with !PM currently causes a
> > warning about these operations being unused. Mark them as such to shut
> > up the compiler.
> > 
> > Signed-off-by: Thierry Reding <treding at nvidia.com>
> 
> I'd so love if we could use LTO (or at least link time garbage collection
> of functions/heap allocations) instead of tons of #ifdef (even in macros)
> and __maybe_unused.

I had discussed this with Arnd Bergmann a long time ago and neither of
us could figure out a way to make that work in this case, so we agreed
that __maybe_unused was the preferred way forward until somebody would
figure out a better way.

> Patch looks fine itself.
> 
> Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

Thanks, applied to drm-misc-next.

Thierry
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