linux-kernel - Re: [PATCH 5/6] arm64: dts: ls1043a: update gic dts node

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Date:   Wed, 26 Oct 2016 11:35:31 +0100
From:   Mark Rutland <mark.rutland@....com>
To:     Minghuan Lian <Minghuan.Lian@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Marc Zyngier <marc.zyngier@....com>,
        Stuart Yoder <stuart.yoder@....com>,
        Yang-Leo Li <leoyang.li@....com>,
        Gong Qianyu <Qianyu.Gong@....com>,
        Scott Wood <scott.wood@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Mingkai Hu <mingkai.hu@....com>
Subject: Re: [PATCH 5/6] arm64: dts: ls1043a: update gic dts node

On Tue, Oct 25, 2016 at 08:35:44PM +0800, Minghuan Lian wrote:
> From: Gong Qianyu <Qianyu.Gong@....com>
> 
> In order to support kvm, rev1.1 LS1043a GIC register has been
> changed to align as 64K. The patch updates GIC node according to
> the rev1.1 hardware.
> 
> Signed-off-by: Gong Qianyu <Qianyu.Gong@....com>
> Signed-off-by: Minghuan Lian <Minghuan.Lian@....com>
> ---
>  arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
> index 5295bb9..da1809d 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
> @@ -144,10 +144,10 @@
>  		compatible = "arm,gic-400";
>  		#interrupt-cells = <3>;
>  		interrupt-controller;
> -		reg = <0x0 0x1401000 0 0x1000>, /* GICD */
> -		      <0x0 0x1402000 0 0x2000>, /* GICC */
> -		      <0x0 0x1404000 0 0x2000>, /* GICH */
> -		      <0x0 0x1406000 0 0x2000>; /* GICV */
> +		reg = <0x0 0x1410000 0 0x10000>, /* GICD */
> +		      <0x0 0x1420000 0 0x20000>, /* GICC */
> +		      <0x0 0x1440000 0 0x20000>, /* GICH */
> +		      <0x0 0x1460000 0 0x20000>; /* GICV */

... this breaks HW prior to rev1.1, then.

Thanks,
Mark.