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Date:   Tue, 11 Jun 2019 10:27:58 +0200
From:   Maxime Ripard <maxime.ripard@bootlin.com>
To:     =?utf-8?B?Q2zDqW1lbnQgUMOpcm9u?= <peron.clem@gmail.com>
Cc:     Vinod Koul <vkoul@kernel.org>, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Chen-Yu Tsai <wens@csie.org>,
        Dan Williams <dan.j.williams@intel.com>,
        dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Jernej Skrabec <jernej.skrabec@siol.net>
Subject: Re: [PATCH v3 6/7] arm64: dts: allwinner: h6: Add DMA node
Message-ID: <20190611082758.raznfgrshvbc7lh4@flea>
References: <20190527201459.20130-1-peron.clem@gmail.com>
 <20190527201459.20130-7-peron.clem@gmail.com>
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Hi,

I tried applying this patch, and it conflicts.

There's also a minor issue that sohuld be fixed

On Mon, May 27, 2019 at 10:14:58PM +0200, Cl=E9ment P=E9ron wrote:
> From: Jernej Skrabec <jernej.skrabec@siol.net>
>
> H6 has DMA controller which supports 16 channels.
>
> Add a node for it.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
> Signed-off-by: Cl=E9ment P=E9ron <peron.clem@gmail.com>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/bo=
ot/dts/allwinner/sun50i-h6.dtsi
> index 16c5c3d0fd81..f4ea596c82ce 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> @@ -208,6 +208,18 @@
>  			reg =3D <0x03006000 0x400>;
>  		};
>
> +		dma: dma-controller@3002000 {
> +			compatible =3D "allwinner,sun50i-h6-dma";
> +			reg =3D <0x03002000 0x1000>;
> +			interrupts =3D <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks =3D <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>;
> +			clock-names =3D "bus", "mbus";
> +			dma-channels =3D <16>;
> +			dma-requests =3D <46>;
> +			resets =3D <&ccu RST_BUS_DMA>;
> +			#dma-cells =3D <1>;
> +		};
> +
>  		pio: pinctrl@300b000 {
>  			compatible =3D "allwinner,sun50i-h6-pinctrl";
>  			reg =3D <0x0300b000 0x400>;

DT nodes are ordered by increasing physical addresses, so this node
shouldn't be there.

Thanks!
Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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