linux-kernel - Re: [PATCH 3/5] ARM: dts: introduce MPS2 AN385/AN386

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Date:	Mon, 25 Apr 2016 13:32:39 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Vladimir Murzin <vladimir.murzin@....com>
Cc:	Matthias Brugger <mbrugger@...e.com>, sudeep.holla@....com,
	lorenzo.pieralisi@....com, linux@....linux.org.uk,
	liviu.dudau@....com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 3/5] ARM: dts: introduce MPS2 AN385/AN386

On Monday 25 April 2016 11:15:35 Vladimir Murzin wrote:
> >> +
> >> +#include "mps2.dtsi"
> >> +
> >> +/ {
> >> +    model = "ARM MPS2 Application Note 385/386";
> >> +    compatible = "arm,mps2";
> >> +
> >> +    aliases {
> >> +        serial0 = &uart0;
> >> +    };
> >> +
> >> +    chosen {
> >> +        bootargs = "rdinit=/sbin/init earlycon";
> > 
> > The rootfs should be independent from the board.
> > In my opinion, this type of bootargs should not be part of the DTS.
> 
> I have no strong opinion on this, but quick grep shows plenty places
> where the same happens, and even [1] has rootfs specific option as an
> example. So if there is no strong call to remove rdinit from bootargs,
> I'd prefer to keep it as it makes testing easier for me.
> 
> [1] Documentation/devicetree/booting-without-of.txt
> 

I think "rdinit=/sbin/init" is redundant, that is what we try running
anyway, so I don't see any downside in removing it.

	Arnd