linux-kernel - Re: [PATCH v2 0/2] Improve drm_of_component

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Date:	Wed, 23 Dec 2015 18:59:48 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Jean-Francois Moine <moinejf@...e.fr>
Cc:	Liviu Dudau <Liviu.Dudau@....com>,
	linux-rockchip <linux-rockchip@...ts.infradead.org>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	LKML <linux-kernel@...r.kernel.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	LAKML <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 0/2] Improve drm_of_component_probe() and move
 rockchip to use it

On Wed, Dec 23, 2015 at 06:20:33PM +0100, Jean-Francois Moine wrote:
> On Wed, 23 Dec 2015 10:05:34 +0000
> Liviu Dudau <Liviu.Dudau@....com> wrote:
> 
> > > What was the reason to keep the "ports" node instead of the device?
> > 
> > The function is an extract of common code sprinkled through a few DRM drivers,
> > they all used port rather than port->parent.
> 
> Sorry for I could find such drivers. May you give me any pointer?

imx-drm probably.

> > Have a look at my v2 where I've introduced two compare functions and also
> > modified the Rockchip compare_port() to use port->parent in the comparison. I
> > guess that should solve your problem.
> 
> Keeping the port instead of the parent asks for more code, but,
> especially, it also asks for changes in the component drivers because,
> at bind time, in 'data', they get a port instead of the device.

Sorry, this doesn't make sense.  You have far too many sub-clauses
which mean nothing at all.  Please rephrase.

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