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SubjectRe: linux-next: build failure after merge of the regulator tree
Hi all,

On Thu, 9 Apr 2015 10:35:56 +0100 Mark Brown <broonie@kernel.org> wrote:
>
> On Thu, Apr 09, 2015 at 02:33:09PM +1000, Stephen Rothwell wrote:
>
> > After merging the regulator tree, today's linux-next build (arm multi_v7_defconfig)
> > failed like this:
>
> > drivers/gpu/drm/msm/dsi/dsi_host.c: In function 'dsi_host_regulator_disable':
> > drivers/gpu/drm/msm/dsi/dsi_host.c:330:4: error: implicit declaration of function 'regulator_set_optimum_mode' [-Werror=implicit-function-declaration]
> > regulator_set_optimum_mode(s[i].consumer,
> > ^
>
> > Caused by commit a689554ba6ed ("drm/msm: Initial add DSI connector
> > support") from the drm tree interacting with commit ae6e808f1574
> > ("regulator: Drop temporary regulator_set_optimum_mode wrapper") from
> > the regulator tree.
>
> > This happens every time someone renames/changes an API :-(
>
> It's *really* questionable if anyone should be using that API in the
> first place, one of the reasons it's being removed is that it's really
> unclear that anything would be able to successfully use it as-is. The
> easist thing might be to drop the new usage for the time being.

This fix up patch is now needed when the drm tree is merged with Linus'
tree (the regulator part has been merged).

Mark, what did you above response mean? Should the drm tree be using
something different?

--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
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