linux-kernel - Re: [PATCH net-next] dt-bindings: net: rockchip-dwmac: Allow "dma-coherent"

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Message-ID: <8189811.4vTCxPXJkl@phil>
Date: Fri, 09 Jan 2026 20:00:28 +0100
From: Heiko Stuebner <heiko@...ech.de>
To: Andrew Lunn <andrew+netdev@...n.ch>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
 David Wu <david.wu@...k-chips.com>, "Rob Herring (Arm)" <robh@...nel.org>
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject:
 Re: [PATCH net-next] dt-bindings: net: rockchip-dwmac: Allow "dma-coherent"

Am Donnerstag, 8. Januar 2026, 23:53:18 Mitteleuropäische Normalzeit schrieb Rob Herring (Arm):
> The GMAC is coherent on RK3576, so allow the "dma-coherent" property.
> 
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>

Reviewed-by: Heiko Stuebner <heiko@...ech.de>

> ---
>  Documentation/devicetree/bindings/net/rockchip-dwmac.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> index d17112527dab..80c252845349 100644
> --- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
> @@ -85,6 +85,8 @@ properties:
>          - clk_mac_refout
>          - clk_mac_speed
>  
> +  dma-coherent: true
> +
>    clock_in_out:
>      description:
>        For RGMII, it must be "input", means main clock(125MHz)
>