Subject: Re: linux-next: build failure after merge of the drm-misc tree

From: Stephen Rothwell <[email-masked]>
Date: Wed, 18 Dec 2019 07:22:04 +1100

Hi Daniel,

On Tue, 17 Dec 2019 14:19:37 +0100 Daniel Vetter <[email-masked]> wrote:
>
> On Mon, Dec 16, 2019 at 12:23:31PM +1100, Stephen Rothwell wrote:
> > 
> > After merging the drm-misc tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> > 
> > drivers/gpu/drm/bridge/analogix/analogix-anx6345.c: In function 'anx6345_i2c_probe':
> > drivers/gpu/drm/bridge/analogix/analogix-anx6345.c:738:30: error: implicit declaration of function 'i2c_new_dummy' [-Werror=implicit-function-declaration]
> >   738 |    anx6345->i2c_clients[i] = i2c_new_dummy(client->adapter,
> >       |                              ^~~~~~~~~~~~~
> > drivers/gpu/drm/bridge/analogix/analogix-anx6345.c:738:28: warning: assignment to 'struct i2c_client *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
> >   738 |    anx6345->i2c_clients[i] = i2c_new_dummy(client->adapter,
> >       |                            ^
> > 
> > Caused by commit
> > 
> >   6aa192698089 ("drm/bridge: Add Analogix anx6345 support")
> > 
> > interacting with commit
> > 
> >   2c2f00ab1641 ("i2c: remove i2c_new_dummy() API")
> > 
> > From Linus' tree.
> > 
> > I have applied the following fix up patch for today:
> > 
> > From: Stephen Rothwell <[email-masked]>
> > Date: Mon, 16 Dec 2019 12:11:19 +1100
> > Subject: [PATCH] drm/bridge: fix up for removal of i2c_new_dummy()
> > 
> > Signed-off-by: Stephen Rothwell <[email-masked]>  
> 
> Thanks pulled into drm-next since I just processed the first drm-misc-next
> pull.

Thanks.  For the future, though, merge fixes like this should be part
of the actual merge commit to avoid bisection problems.

-- 
Cheers,
Stephen Rothwell