netdev - Re: [PATCH v2 24/28] pinctrl: Add support for the Lantic PEF2256 pinmux

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Message-ID: <20230807163626.79a5ca7b@bootlin.com>
Date: Mon, 7 Aug 2023 16:36:26 +0200
From: Herve Codina <herve.codina@...tlin.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: Linus Walleij <linus.walleij@...aro.org>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
 <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Rob Herring
 <robh+dt@...nel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
 Lee Jones <lee@...nel.org>, Qiang Zhao <qiang.zhao@....com>, Li Yang
 <leoyang.li@....com>, Liam Girdwood <lgirdwood@...il.com>, Mark Brown
 <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai
 <tiwai@...e.com>, Shengjiu Wang <shengjiu.wang@...il.com>, Xiubo Li
 <Xiubo.Lee@...il.com>, Fabio Estevam <festevam@...il.com>, Nicolin Chen
 <nicoleotsuka@...il.com>, Christophe Leroy <christophe.leroy@...roup.eu>,
 Randy Dunlap <rdunlap@...radead.org>, netdev@...r.kernel.org,
 linuxppc-dev@...ts.ozlabs.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, alsa-devel@...a-project.org, Thomas
 Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v2 24/28] pinctrl: Add support for the Lantic PEF2256
 pinmux

Hi Linus, Andrew,

On Mon, 7 Aug 2023 15:17:11 +0200
Andrew Lunn <andrew@...n.ch> wrote:

> On Mon, Aug 07, 2023 at 03:06:42PM +0200, Linus Walleij wrote:
> > On Mon, Aug 7, 2023 at 3:05 PM Linus Walleij <linus.walleij@...aro.org> wrote:
> >   
> > > > Signed-off-by: Herve Codina <herve.codina@...tlin.com>  
> > >
> > > So it is a bridge chip? Please use that terminology since Linux
> > > DRM often talks about bridges.  
> > 
> > Replying to self: no it's not a bridge, it's a WAN thingy.
> > 
> > So perhaps write that this is a WAN interface adapter chip.  
> 
> Hi Linus
> 
> In the E1/T1/J1 world, framer is a well understood concept. Maybe the
> text needs a bit more background information to explain what this is
> to somebody who does not have an old school telecoms background.
> 
>    Andrew

Maybe I can add in my commit log:
--- 8< ---
This kind of component can be found in old telecommunication system.
It was used to digital transmission of many simultaneous telephone calls
by time-division multiplexing. Also using HDLC protocol, WAN networks
can be reached through the framer.
--- 8< ---

Do you think it will be better ?

Regards,
Hervé Codina

-- 
Hervé Codina, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com