linux-kernel - Re: [PATCH v2 9/9] ARM64: xilinx: zynqmp: Add spi-buses property

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Message-ID: <e4e018a4-1481-4132-9a5a-34233403df89@kernel.org>
Date: Tue, 17 Jun 2025 08:07:04 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Sean Anderson <sean.anderson@...ux.dev>, Mark Brown <broonie@...nel.org>,
 Michal Simek <michal.simek@....com>, linux-spi@...r.kernel.org
Cc: Jinjie Ruan <ruanjinjie@...wei.com>,
 Miquel Raynal <miquel.raynal@...tlin.com>,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 David Lechner <dlechner@...libre.com>,
 Amit Kumar Mahapatra <amit.kumar-mahapatra@....com>,
 Conor Dooley <conor+dt@...nel.org>, Krzysztof Kozlowski
 <krzk+dt@...nel.org>, Rob Herring <robh@...nel.org>,
 devicetree@...r.kernel.org
Subject: Re: [PATCH v2 9/9] ARM64: xilinx: zynqmp: Add spi-buses property

On 17/06/2025 00:00, Sean Anderson wrote:
> Add the spi-buses property to the ZynqMP devicetrees. This is pretty
> simple, since all boards use the lower bus.
> 
> Signed-off-by: Sean Anderson <sean.anderson@...ux.dev>
> ---
> 
> (no changes since v1)
> 
>  arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts      | 1 +
>  arch/arm64/boot/dts/xilinx/zynqmp-zc1254-revA.dts      | 1 +
>  arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts | 1 +
>  arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm018-dc4.dts | 1 +
>  arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts      | 1 +
>  arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revA.dts      | 1 +
>  arch/arm64/boot/dts/xilinx/zynqmp-zcu104-revC.dts      | 1 +
>  arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts      | 1 +
>  arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts      | 1 +
>  arch/arm64/boot/dts/xilinx/zynqmp-zcu1275-revA.dts     | 1 +
>  10 files changed, 10 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> index bfa7ea6b9224..3d3cb656f38c 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> @@ -132,6 +132,7 @@ &qspi { /* MIO 0-5 - U143 */
>  	spi_flash: flash@0 { /* MT25QU512A */
>  		compatible = "jedec,spi-nor"; /* 64MB */
>  		reg = <0>;
> +		spi-buses = <0>;

Default is 0, so this entire patch is noop. Commit msg should explain
that if noop is still needed for any reason.

Best regards,
Krzysztof