linux-kernel - Re: [PATCH v4 11/12] ARM: dts: aspeed: witherspoon: Enable XDMA Engine

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Message-Id: <406ac609-129e-4e11-8654-e4a48d8f72f8@www.fastmail.com>
Date:   Thu, 09 Jan 2020 16:34:14 +1030
From:   "Andrew Jeffery" <andrew@...id.au>
To:     "Eddie James" <eajames@...ux.ibm.com>,
        linux-aspeed@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        mark.rutland@....com, "Jason Cooper" <jason@...edaemon.net>,
        "Marc Zyngier" <maz@...nel.org>,
        "Rob Herring" <robh+dt@...nel.org>, tglx@...utronix.de,
        "Joel Stanley" <joel@....id.au>
Subject: Re: [PATCH v4 11/12] ARM: dts: aspeed: witherspoon: Enable XDMA Engine



On Fri, 3 Jan 2020, at 05:57, Eddie James wrote:
> Enable the XDMA engine node.
> 
> Signed-off-by: Eddie James <eajames@...ux.ibm.com>
> ---
>  arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts 
> b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> index 569dad93e162..1a28b86f00ea 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> @@ -658,4 +658,9 @@ &video {
>  	memory-region = <&video_engine_memory>;
>  };
>  
> +&xdma {
> +	status = "okay";
> +	memory = <0x9f000000 0x01000000>;

Can you please add a comment about how the memory range was
derived?