linux-kernel - Re: [PATCH] arm64: dts: rockchip: fixes the gic400 2nd region size for rk3368

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Date:	Fri, 20 May 2016 23:19:52 +0200
From:	Heiko Stuebner <heiko@...ech.de>
To:	Caesar Wang <wxt@...k-chips.com>
Cc:	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Olof Johansson <olof@...om.net>,
	Kumar Gala <galak@...eaurora.org>,
	linux-kernel@...r.kernel.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Shawn Lin <shawn.lin@...k-chips.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Will Deacon <will.deacon@....com>,
	Matthias Brugger <mbrugger@...e.com>,
	Mark Rutland <mark.rutland@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Eduardo Valentin <edubezval@...il.com>
Subject: Re: [PATCH] arm64: dts: rockchip: fixes the gic400 2nd region size for rk3368

Hi Caesar,

Am Mittwoch, 18. Mai 2016, 22:41:50 schrieb Caesar Wang:
> The 2nd additional region is the GIC virtual cpu interface register
> base and size.
> 
> As the gic400 of rk3368 says, the cpu interface register map as below
> 
> 
> 
> -0x0000 GICC_CTRL
> .
> .
> .
> -0x00fc GICC_IIDR
> -0x1000 GICC_IDR
> 
> Obviously, the region size should be greater than 0x1000.
> So we should make sure to include the GICC_IDR since the kernel will
> access it in some cases.
> 
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>
> Cc: Heiko Stuebner <heiko@...ech.de>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-rockchip@...ts.infradead.org

applied to a fixes branch for 4.7 with Shawn's review-tag.


Thanks for catching this
Heiko