linux-kernel - Re: drm/vc4: v3d: called object '0u' is not a function (next-20160104)

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Date:	Tue, 05 Jan 2016 11:09:30 -0800
From:	Eric Anholt <eric@...olt.net>
To:	Stefan Wahren <stefan.wahren@...e.com>
Cc:	David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: Re: drm/vc4: v3d: called object '0u' is not a function (next-20160104)

Stefan Wahren <stefan.wahren@...e.com> writes:

> Hi Eric,
>
> i tried to build Linux next-20160104, but vc4 failed with the following
> messages:
>
> ...
>   CC      drivers/gpu/drm/vc4/vc4_v3d.o
> drivers/gpu/drm/vc4/vc4_v3d.c: In function 'vc4_v3d_set_power':
> drivers/gpu/drm/vc4/vc4_v3d.c:157:29: error: called object '0u' is not a
> function
> drivers/gpu/drm/vc4/vc4_v3d.c:159:27: error: called object '0u' is not a
> function
> drivers/gpu/drm/vc4/vc4_v3d.c:160:1: warning: control reaches end of non-void
> function [-Wreturn-type]
> make[4]: *** [drivers/gpu/drm/vc4/vc4_v3d.o] Error 1
> make[3]: *** [drivers/gpu/drm/vc4] Error 2
> make[2]: *** [drivers/gpu/drm] Error 2
> make[1]: *** [drivers/gpu] Error 2
> make: *** [drivers] Error 2
>
> Here the relevant settings:
>
> CONFIG_DRM_VC4=y
> CONFIG_PM_SLEEP=n
>
> It looks like pm_generic_poweroff and pm_generic_resume aren't used as intended.
> They could be NULL.

http://lists.freedesktop.org/archives/dri-devel/2015-December/097509.html

Sadly, the genpd stuff didn't actually work for reset like I thought it
would.  That means reset is broken upstream, for now.

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