linux-kernel - Re: [PATCH v5] ARM: early fixmap support for earlycon

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Date:	Thu, 13 Aug 2015 01:03:51 +0200
From:	Stefan Agner <stefan@...er.ch>
To:	linux@....linux.org.uk
Cc:	Rob Herring <robh@...nel.org>,
	Laura Abbott <lauraa@...eaurora.org>,
	Kees Cook <keescook@...omium.org>,
	Arnd Bergmann <arnd@...db.de>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	linux-kernel@...r.kernel.org, Mark Salter <msalter@...hat.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5] ARM: early fixmap support for earlycon

On 2015-08-11 18:15, Stefan Agner wrote:
<snip>
> Hi Russel,
> 
> All three compile issues were related to MMU/!MMU differences. The solution
> is rather simple: This patch now only configures FIX_EARLYCON_MEM if the
> MMU is available. This makes sense since on !MMU platform we can use ioremap
> very early...
> 
> --
> Stefan
> 
> Changes since v4:
> - Add MMU dependency for FIX_EARLYCON_MEM
> - Call early_fixmap_init conditionally, only if FIX_EARLYCON_MEM is set
<snip>

Submitted to the patch tracker as 8415/1.

--
Stefan
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