linux-kernel - Re: [PATCH] ARM: supplementing IO accessors with 64 bit capability

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Message-ID: <alpine.LFD.2.11.1410231542320.6969@knanqh.ubzr>
Date:	Thu, 23 Oct 2014 15:47:32 -0400 (EDT)
From:	Nicolas Pitre <nicolas.pitre@...aro.org>
To:	Catalin Marinas <catalin.marinas@....com>
cc:	"mathieu.poirier@...aro.org" <mathieu.poirier@...aro.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"stefano.stabellini@...citrix.com" <stefano.stabellini@...citrix.com>,
	"ezequiel.garcia@...e-electrons.com" 
	<ezequiel.garcia@...e-electrons.com>,
	Liviu Dudau <Liviu.Dudau@....com>,
	"thomas.petazzoni@...e-electrons.com" 
	<thomas.petazzoni@...e-electrons.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: supplementing IO accessors with 64 bit capability

On Wed, 22 Oct 2014, Catalin Marinas wrote:

> On Wed, Oct 22, 2014 at 05:06:23PM +0100, mathieu.poirier@...aro.org wrote:
> > +#if __LINUX_ARM_ARCH__ >= 5
> 
> My old ARMv5 book does not list LDRD/STRD. It looks like they only come
> with ARMv5TE. Are there any processors prior to this supported by the
> kernel?

We still supports ARMv4 targets.

As far as I know, all the ARMv5 targets we support are also TE capable.


Nicolas
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