linux-kernel - Re: [PATCH 2/5] ARM: lager: add vin1 node

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Date:	Fri, 07 Mar 2014 20:22:45 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Ben Dooks <ben.dooks@...ethink.co.uk>
CC:	linux-media@...r.kernel.org,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	linux-kernel@...r.kernel.org, magnus.damm@...nsource.se,
	linux-sh@...r.kernel.org, linux-kernel@...ts.codethink.co.uk
Subject: Re: [PATCH 2/5] ARM: lager: add vin1 node

On 03/07/2014 07:06 PM, Ben Dooks wrote:

>>> Add device-tree for vin1 (composite video in) on the
>>> lager board.

>>> Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>

>>     This patch should have been preceded by the VIN driver patch and
>> bindings description, don't you think?

>>> diff --git a/arch/arm/boot/dts/r8a7790-lager.dts
>>> b/arch/arm/boot/dts/r8a7790-lager.dts
>>> index a087421..7528cfc 100644
>>> --- a/arch/arm/boot/dts/r8a7790-lager.dts
>>> +++ b/arch/arm/boot/dts/r8a7790-lager.dts
>> [...]
>>> @@ -239,8 +244,41 @@
>>>       status = "ok";
>>>       pinctrl-0 = <&i2c2_pins>;
>>>       pinctrl-names = "default";
>>> +
>>> +    adv7180: adv7180@...0 {

>>     ePAPR standard [1] tells us that:

>> "The name of a node should be somewhat generic, reflecting the function
>> of the device and not its precise programming model."

>>     So, I would suggest something like "video-decoder" instead. And
>> remove "0x" from the address part of the node name please.

> Personally I'm not fussed about names in the tree.

    I quoted the standard everybody should follow.

> I will look at changing it to something like vin1_decoder

    Please give it a generic name instead, without indexes and underscores.

WBR, Sergei

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