Re: [PATCH v2 1/2] drm: Improve drm_of_component_probe() to correctly handle ports and remote ports.

[Russell King - ARM Linux]

On Mon, Feb 22, 2016 at 11:51:47AM +0000, Liviu Dudau wrote:
> On Fri, Nov 20, 2015 at 02:22:04PM +0000, Liviu Dudau wrote:
> > Rockchip DRM driver cannot use the same compare_of() function to
> > match ports and remote ports (aka encoders) as their OF sub-trees
> > look different. Add a second compare function to be used when encoders
> > are added to the component framework and patch the existing users of
> > the function accordingly.
> > 
> > Signed-off-by: Liviu Dudau <Liviu.Dudau@xxxxxxx>
> 
> Russell,
> 
> Resurecting this old patch from around Christmas time (bad time for patch
> review).
> 
> Are you happy enough with this version to re-issue the Ack or do you think
> I still need to work on it?

What I'd like to see is the patch reworked, because:

> > +		component_match_add(dev, &match, compare_port, port);
> > +		/*
> > +		 * component_match_add keeps a reference to the port
> > +		 * variable, so we need to keep the reference count
> > +		 * increment from of_parse_phandle()
> > +		 */
...
> > +			component_match_add(dev, &match, compare_encoder, remote);
> > +			/*
> > +			 * component_match_add keeps a reference to the port
> > +			 * variable, so we need to keep the reference count
> > +			 * increment from of_graph_get_remote_port_parent()
> > +			 */

This problem no longer exists.

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