linux-kernel - Re: [PATCH 5/6] arm64: tegra: Enable GPIO controllers nodes for P2972-0000 platform

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Date:   Fri, 22 Nov 2019 14:20:07 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Vidya Sagar <vidyas@...dia.com>
Cc:     lorenzo.pieralisi@....com, bhelgaas@...gle.com, robh+dt@...nel.org,
        jonathanh@...dia.com, andrew.murray@....com, kishon@...com,
        gustavo.pimentel@...opsys.com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        kthota@...dia.com, mmaddireddy@...dia.com, sagar.tv@...il.com
Subject: Re: [PATCH 5/6] arm64: tegra: Enable GPIO controllers nodes for
 P2972-0000 platform

On Fri, Nov 22, 2019 at 04:15:04PM +0530, Vidya Sagar wrote:
> Enable GPIO controllers nodes for P2972-0000 platform which are required
> by other controllers in the SoC for example when PCIe C5 controller
> operates in endpoint mode.
> 
> Signed-off-by: Vidya Sagar <vidyas@...dia.com>
> ---
>  arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 8 ++++++++
>  1 file changed, 8 insertions(+)

The GPIO controllers are enabled by default, so there's no need to
explicitly enable them.

Thierry

> 
> diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
> index 353a6a22196d..7eb64b816e08 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
> +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
> @@ -37,6 +37,14 @@
>  			status = "okay";
>  		};
>  
> +		gpio@...0000 {
> +			status = "okay";
> +		};
> +
> +		gpio@...0000 {
> +			status = "okay";
> +		};
> +
>  		pwm@...0000 {
>  			status = "okay";
>  		};
> -- 
> 2.17.1
> 

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