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SubjectRE: [PATCH] arm/dts: ls1021a: Add dma-coherent property to usb3 node
Date

> -----Original Message-----
> From: Changming Huang [mailto:jerry.huang@nxp.com]
> Sent: Wednesday, November 23, 2016 3:15 PM
> To: robh+dt@kernel.org; mark.rutland@arm.com; linux@armlinux.org.uk
> Cc: devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-
> kernel@vger.kernel.org; Jerry Huang <jerry.huang@nxp.com>; Rajesh
> Bhagat <rajesh.bhagat@nxp.com>
> Subject: [PATCH] arm/dts: ls1021a: Add dma-coherent property to usb3 node
>
> This sets dma ops as coherent for usb 3.0 platform device
>
> Signed-off-by: Changming Huang <jerry.huang@nxp.com>
> Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
> ---
> arch/arm/boot/dts/ls1021a.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
> index 368e219..81fb4d9 100644
> --- a/arch/arm/boot/dts/ls1021a.dtsi
> +++ b/arch/arm/boot/dts/ls1021a.dtsi
> @@ -627,6 +627,7 @@
> dr_mode = "host";
> snps,quirk-frame-length-adjustment = <0x20>;
> snps,dis_rxdet_inp3_quirk;
> + dma-coherent;
> };
>
> pcie@3400000 {
> --
How about this property for usb? Any comment for it?

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