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	id 1veHim-001fb6-87; Fri, 09 Jan 2026 20:00:28 +0100
From: Heiko Stuebner <heiko@sntech.de>
To: Andrew Lunn <andrew+netdev@lunn.ch>,
 "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>,
 Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
 Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley <conor+dt@kernel.org>,
 David Wu <david.wu@rock-chips.com>, "Rob Herring (Arm)" <robh@kernel.org>
Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org,
 linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org,
 linux-kernel@vger.kernel.org
Subject:
 Re: [PATCH net-next] dt-bindings: net: rockchip-dwmac: Allow "dma-coherent"
Date: Fri, 09 Jan 2026 20:00:28 +0100
Message-ID: <8189811.4vTCxPXJkl@phil>
In-Reply-To: <20260108225318.1325114-2-robh@kernel.org>
References: <20260108225318.1325114-2-robh@kernel.org>
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Am Donnerstag, 8. Januar 2026, 23:53:18 Mitteleurop=C3=A4ische Normalzeit s=
chrieb Rob Herring (Arm):
> The GMAC is coherent on RK3576, so allow the "dma-coherent" property.
>=20
> Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

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

> ---
>  Documentation/devicetree/bindings/net/rockchip-dwmac.yaml | 2 ++
>  1 file changed, 2 insertions(+)
>=20
> 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
> =20
> +  dma-coherent: true
> +
>    clock_in_out:
>      description:
>        For RGMII, it must be "input", means main clock(125MHz)
>=20