linux-kernel - Re: [PATCH v3 6/7] arm64: dts: allwinner: h6: Add DMA node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20190611082758.raznfgrshvbc7lh4@flea>
Date:   Tue, 11 Jun 2019 10:27:58 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Clément Péron <peron.clem@...il.com>
Cc:     Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        Dan Williams <dan.j.williams@...el.com>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Jernej Skrabec <jernej.skrabec@...l.net>
Subject: Re: [PATCH v3 6/7] arm64: dts: allwinner: h6: Add DMA node

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, Clément Péron wrote:
> From: Jernej Skrabec <jernej.skrabec@...l.net>
>
> H6 has DMA controller which supports 16 channels.
>
> Add a node for it.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
> Signed-off-by: Clément Péron <peron.clem@...il.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/boot/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 = <0x03006000 0x400>;
>  		};
>
> +		dma: dma-controller@...2000 {
> +			compatible = "allwinner,sun50i-h6-dma";
> +			reg = <0x03002000 0x1000>;
> +			interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>;
> +			clock-names = "bus", "mbus";
> +			dma-channels = <16>;
> +			dma-requests = <46>;
> +			resets = <&ccu RST_BUS_DMA>;
> +			#dma-cells = <1>;
> +		};
> +
>  		pio: pinctrl@...b000 {
>  			compatible = "allwinner,sun50i-h6-pinctrl";
>  			reg = <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

Download attachment "signature.asc" of type "application/pgp-signature" (229 bytes)