linux-kernel - Re: [PATCH] dt-bindings: display: sunxi: Improve endpoint ID scheme readability

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Message-ID: <20170717062102.za55es6ejikkkcqv@flea>
Date:   Mon, 17 Jul 2017 08:21:02 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     David Airlie <airlied@...ux.ie>,
        Mark Rutland <mark.rutland@....com>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH] dt-bindings: display: sunxi: Improve endpoint ID scheme
 readability

Hi,

On Wed, Jul 12, 2017 at 10:38:38AM +0800, Chen-Yu Tsai wrote:
> On Wed, Jul 12, 2017 at 3:31 AM, Maxime Ripard
> <maxime.ripard@...e-electrons.com> wrote:
> > On Mon, Jul 10, 2017 at 11:48:00PM +0800, Chen-Yu Tsai wrote:
> >> On Sun, Jun 18, 2017 at 10:05 PM, Rob Herring <robh@...nel.org> wrote:
> >> > On Wed, Jun 14, 2017 at 02:30:16PM +0800, Chen-Yu Tsai wrote:
> >> >> The explanation for the endpoint ID numbering scheme is convoluted
> >> >> and hard to understand.
> >> >>
> >> >> This patch aims to improve the readability of it by combining the
> >> >> existing two paragraphs, while also providing a diagram example,
> >> >> and how endpoints should be numbered based on that example.
> >> >>
> >> >> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> >> >> ---
> >> >>
> >> >> Hope this helps. I'm not sure I can improve this even more without
> >> >> spelling out all cases.
> >> >>
> >> >> ---
> >> >>  .../bindings/display/sunxi/sun4i-drm.txt           | 36 ++++++++++++++++------
> >> >>  1 file changed, 27 insertions(+), 9 deletions(-)
> >> >
> >> > Acked-by: Rob Herring <robh@...nel.org>
> >>
> >> Maxime, this patch seems to have fallen through the cracks.
> >>
> >> Could you queue it as a fix for 4.13?
> >
> > Sorry, I don't know why I overlooked it.
> >
> > Is it really 4.13 material though? It doesn't look that urgent.
> 
> Unless I'm mistaken, this clarifies the numbering scheme introduced
> in 4.13. I'd say that's enough reason to have it in the same release.
> 
> But I should update the diagram first. The backend <-> TCON mux is
> missing. And maybe a Fixes tag.

If it's just clarification, I don't think we should push it as a fix,
but and it can definitely wait.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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