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From: Nikhil Devshatwar <nikhil.nd@ti.com>
To: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>, Nishanth Menon <nm@ti.com>,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: ti: k3-am65: mark dss as dma-coherent
Date: Thu, 29 Oct 2020 20:11:00 +0530	[thread overview]
Message-ID: <20201029144100.bf35vierhfignips@NiksLab> (raw)
In-Reply-To: <20201029141159.190621-1-tomi.valkeinen@ti.com>

On 16:11-20201029, Tomi Valkeinen wrote:
> DSS is IO coherent on AM65, so we can mark it as such with
> 'dma-coherent' property in the DT file.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Nikhil Devshatwar <nikhil.nd@ti.com>

Nikhil D
> ---
> 
> Sending separately as requested.
> 
>  arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> index 533525229a8d..a0b4a421026f 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -867,6 +867,8 @@ dss: dss@04a00000 {
>  
>  		status = "disabled";
>  
> +		dma-coherent;
> +
>  		dss_ports: ports {
>  			#address-cells = <1>;
>  			#size-cells = <0>;
> -- 
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
> 

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  reply	other threads:[~2020-10-29 14:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29 14:11 [PATCH] arm64: dts: ti: k3-am65: mark dss as dma-coherent Tomi Valkeinen
2020-10-29 14:41 ` Nikhil Devshatwar [this message]
2020-10-29 14:52   ` Nishanth Menon
2020-10-30 14:08     ` Tomi Valkeinen
2020-11-02 13:01       ` Robin Murphy
2020-11-02 13:42         ` Tomi Valkeinen
2020-11-02 16:46           ` Nishanth Menon

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