linux-kernel - Re: [PATCH 1/5] r8a7790.dtsi: add vin[0-3] nodes

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Message-ID: <5319EB9E.7020900@codethink.co.uk>
Date:	Fri, 07 Mar 2014 15:54:06 +0000
From:	Ben Dooks <ben.dooks@...ethink.co.uk>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
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 1/5] r8a7790.dtsi: add vin[0-3] nodes

On 07/03/14 16:45, Sergei Shtylyov wrote:
> Hello.
>
> On 03/07/2014 04:01 PM, Ben Dooks wrote:
>
>> Add nodes for the four video input channels on the R8A7790.
>
>> 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?

Given this is a pretty standard device and video input binding
as already described in the relevant documentation, didn't really
think it was necessary.

>> diff --git a/arch/arm/boot/dts/r8a7790.dtsi
>> b/arch/arm/boot/dts/r8a7790.dtsi
>> index a1e7c39..4c3eafb 100644
>> --- a/arch/arm/boot/dts/r8a7790.dtsi
>> +++ b/arch/arm/boot/dts/r8a7790.dtsi
>> @@ -395,6 +395,38 @@
>>           status = "disabled";
>>       };
>>
>> +    vin0: vin@...6ef0000 {
>
>     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". And remove "0x" from the
> address part of the node name please.

vin is a reasonable contraction of video-input.


-- 
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius
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