linux-kernel - Re: [PATCH 2/2] arm64: dts: ls1028a: add "fsl,vf610-edma" compatible

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Message-ID: <bd67afcd5720265109520d2ed5403b9f@walle.cc>
Date:   Mon, 23 Mar 2020 15:36:06 +0100
From:   Michael Walle <michael@...le.cc>
To:     dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Peng Ma <peng.ma@....com>
Subject: Re: [PATCH 2/2] arm64: dts: ls1028a: add "fsl,vf610-edma" compatible

Hi all,

Am 2020-03-06 21:54, schrieb Michael Walle:
> The bootloader does the IOMMU fixup and dynamically adds the "iommus"
> property to devices according to its compatible string. In case of the
> eDMA controller this property is missing. Add it. After that the IOMMU
> will work with the eDMA core.
> 
> Signed-off-by: Michael Walle <michael@...le.cc>

Is it possible to have this merged, so it gets into the merge window
for 5.7? As I explained in this thread [1], without this compatible
all boards with enabled IOMMU (and who have either sound, lpuart or
i2c enabled), doesn't work.

-michael

[1] 
https://lore.kernel.org/linux-devicetree/433418e889347784bc74f3c22c23e644@walle.cc/

> ---
>  arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> index b152fa90cf5c..aa467bff2209 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> @@ -447,7 +447,7 @@
> 
>  		edma0: dma-controller@...0000 {
>  			#dma-cells = <2>;
> -			compatible = "fsl,ls1028a-edma";
> +			compatible = "fsl,ls1028a-edma", "fsl,vf610-edma";
>  			reg = <0x0 0x22c0000 0x0 0x10000>,
>  			      <0x0 0x22d0000 0x0 0x10000>,
>  			      <0x0 0x22e0000 0x0 0x10000>;