linux-kernel - Re: [PATCH 1/6] ARM: cygnus: Initial support for Broadcom Cygnus SoC

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Message-ID: <20141008114112.GG5182@n2100.arm.linux.org.uk>
Date:	Wed, 8 Oct 2014 12:41:12 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Scott Branden <sbranden@...adcom.com>
Cc:	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	bcm-kernel-feedback-list@...adcom.com,
	Mike Turquette <mturquette@...aro.org>,
	Alex Elder <elder@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Joe Perches <joe@...ches.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Antti Palosaari <crope@....fi>,
	JD Zheng <jdzheng@...adcom.com>, Ray Jui <rjui@...adcom.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Jonathan Richardson <jonathar@...adcom.com>
Subject: Re: [PATCH 1/6] ARM: cygnus: Initial support for Broadcom Cygnus
	SoC

On Wed, Oct 08, 2014 at 04:17:29AM -0700, Scott Branden wrote:
> Thanks - was unaware of this functionality.  Will add .l2c_aux_val and  
> .l2c_aux mask to DT_MATCHINE_START.  BUT, what happens when we need to  
> add trustzone support and make SMC call to secure monitor?

You will then need to implement the .l2c_write_sec initialiser in the
same place.

Note that there's work to revise the trustzone support in this area
which will probably be merged for 3.19.

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