linux-kernel - Re: [PATCH 2/2] ARM: dts: imx6qdl: Specify viewport count for PCIE block

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Date:   Wed, 27 Mar 2019 10:37:14 +0100
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Shawn Guo <shawnguo@...nel.org>
Cc:     Richard Zhu <hongxing.zhu@....com>,
        Chris Healy <cphealy@...il.com>,
        Fabio Estevam <fabio.estevam@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: imx6qdl: Specify viewport count for PCIE
 block

Am Dienstag, den 26.03.2019, 23:38 -0700 schrieb Andrey Smirnov:
> i.MX6 comes with 4 viewports, so configure PCIE node accordingly so
> that the driver won't assume we only have 2.
> 
> Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
> Cc: Richard Zhu <hongxing.zhu@....com>
> Cc: Chris Healy <cphealy@...il.com>
> Cc: Lucas Stach <l.stach@...gutronix.de>
> Cc: Fabio Estevam <fabio.estevam@....com>
> Cc: linux-arm-kernel@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org

Reviewed-by: Lucas Stach <l.stach@...gutronix.de>

> ---
>  arch/arm/boot/dts/imx6qdl.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
> index 354feba077b2..e2e982f9b333 100644
> --- a/arch/arm/boot/dts/imx6qdl.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
> @@ -291,6 +291,7 @@
>  			ranges = <0x81000000 0 0          0x01f80000 0 0x00010000 /* downstream I/O */
>  				  0x82000000 0 0x01000000 0x01000000 0 0x00f00000>; /* non-prefetchable memory */
>  			num-lanes = <1>;
> +			num-viewport = <4>;
>  			interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
>  			interrupt-names = "msi";
>  			#interrupt-cells = <1>;