linux-kernel - Re: [RFC PATCH V2 3/4] dt-bindings: pci: xgene pcie device tree bindings

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Message-Id: <201401151057.43044.arnd@arndb.de>
Date:	Wed, 15 Jan 2014 10:57:42 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Tanmay Inamdar <tinamdar@....com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Rob Landley <rob@...dley.net>, linux-pci@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	patches@....com, jcm@...hat.com
Subject: Re: [RFC PATCH V2 3/4] dt-bindings: pci: xgene pcie device tree bindings

On Wednesday 15 January 2014, Tanmay Inamdar wrote:
> This patch adds the bindings for X-Gene PCIe driver. The driver resides
> under 'drivers/pci/host/pci-xgene.c' file.
> 
> Signed-off-by: Tanmay Inamdar <tinamdar@....com>
> ---
>  .../devicetree/bindings/pci/xgene-pcie.txt         |   45 ++++++++++++++++++++
>  1 file changed, 45 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/xgene-pcie.txt
> 
> diff --git a/Documentation/devicetree/bindings/pci/xgene-pcie.txt b/Documentation/devicetree/bindings/pci/xgene-pcie.txt
> new file mode 100644
> index 0000000..19b9c28
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pci/xgene-pcie.txt
> @@ -0,0 +1,45 @@
> +* AppliedMicro X-Gene PCIe interface
> +
> +Required properties:
> +- status: Either "ok" or "disabled".

"status" isn't normally a required property. The default interpretation is
that a node without a status property is active.

> +- device_type: set to "pci"
> +- compatible: should contain "xgene,pcie" to identify the core.
> +- reg: base addresses and lengths of the pcie controller configuration
> +	space register.

Doesn't match the code or example: You only list one area here, but
you actually need to register sets.

Looks good otherwise now.

	Arnd
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