From mboxrd@z Thu Jan  1 00:00:00 1970
From: gregory.clement@free-electrons.com (Gregory CLEMENT)
Date: Tue, 18 Jul 2017 11:45:24 +0200
Subject: [PATCH] arm64: dts: marvell: mark the cp110 crypto engine as dma
 coherent
In-Reply-To: <20170717073516.26746-1-antoine.tenart@free-electrons.com>
 (Antoine Tenart's message of "Mon, 17 Jul 2017 09:35:16 +0200")
References: <20170717073516.26746-1-antoine.tenart@free-electrons.com>
Message-ID: <87o9si84ej.fsf@free-electrons.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hi Antoine,
 
 On lun., juil. 17 2017, Antoine Tenart <antoine.tenart@free-electrons.com> wrote:

> The crypto engines found on the cp110 master and slave are dma coherent.
> This patch adds the relevant property to their dt nodes.

Is it a fix?

Should it go to the current ans stable kernel?

Thanks,

Gregory

>
> Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
> ---
>  arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi | 1 +
>  arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi  | 1 +
>  2 files changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
> index 726528ce54e9..4c68605675a8 100644
> --- a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
> @@ -270,6 +270,7 @@
>  				interrupt-names = "mem", "ring0", "ring1",
>  				"ring2", "ring3", "eip";
>  				clocks = <&cpm_clk 1 26>;
> +				dma-coherent;
>  			};
>  		};
>  
> diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
> index 95f8e5f607f6..0dbb59811d00 100644
> --- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
> @@ -261,6 +261,7 @@
>  				interrupt-names = "mem", "ring0", "ring1",
>  						  "ring2", "ring3", "eip";
>  				clocks = <&cps_clk 1 26>;
> +				dma-coherent;
>  				/*
>  				 * The cryptographic engine found on the cp110
>  				 * master is enabled by default at the SoC
> -- 
> 2.13.3
>

-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com