linux-kernel - Re: [PATCH 1/2] dt-bindings: PCI: fsl,layerscape-pcie-ep: Drop deprecated windows

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Message-ID: <Z8sZj5/nS11YSn/m@lizhi-Precision-Tower-5810>
Date: Fri, 7 Mar 2025 11:06:39 -0500
From: Frank Li <Frank.li@....com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kw@...ux.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-pci@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: PCI: fsl,layerscape-pcie-ep: Drop
 deprecated windows

On Fri, Mar 07, 2025 at 09:13:26AM +0100, Krzysztof Kozlowski wrote:
> The example DTS uses 'num-ib-windows' and 'num-ob-windows' properties
> but these are not defined in the binding.  Binding also does not
> reference snps,dw-pcie-common.yaml, probably because it is quite
> different even though the device is based on Synopsys controller.

The reg-names is difference with defined in snps,dw-pcie-common.yaml.
Driver and dts's upstream is quite early and change driver and dts's
reg-names will cause back compatible problem.

>
> The properties are actually deprecated, so simply drop them from the
> example.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---

Reviewed-by: Frank Li <Frank.Li@....com>

>  .../devicetree/bindings/pci/fsl,layerscape-pcie-ep.yaml         | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/fsl,layerscape-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/fsl,layerscape-pcie-ep.yaml
> index 399efa7364c9..1fdc899e7292 100644
> --- a/Documentation/devicetree/bindings/pci/fsl,layerscape-pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/fsl,layerscape-pcie-ep.yaml
> @@ -94,8 +94,6 @@ examples:
>          reg-names = "regs", "addr_space";
>          interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>; /* PME interrupt */
>          interrupt-names = "pme";
> -        num-ib-windows = <6>;
> -        num-ob-windows = <8>;
>          status = "disabled";
>        };
>      };
> --
> 2.43.0
>