linux-kernel - Re: [PATCH] PCI: layerscape: add ls2085a compatible

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Date:	Fri, 5 Feb 2016 14:38:58 -0600
From:	Bjorn Helgaas <helgaas@...nel.org>
To:	Yang Shi <yang.shi@...aro.org>
Cc:	Mingkai.Hu@...escale.com, Minghuan.Lian@...escale.com,
	bhelgaas@...gle.com, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linaro-kernel@...ts.linaro.org, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH] PCI: layerscape: add ls2085a compatible

[+cc Rob, et al]

On Wed, Jan 27, 2016 at 09:32:05AM -0800, Yang Shi wrote:
> The layerscape PCI host driver needs recognize ls2085a compatible when using
> firmware with ls2085a compatible property, otherwise the PCI bus won't be
> detected even though ls2085a compatible is included by the dts.
> 
> Signed-off-by: Yang Shi <yang.shi@...aro.org>
> ---
>  drivers/pci/host/pci-layerscape.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pci/host/pci-layerscape.c b/drivers/pci/host/pci-layerscape.c
> index 3923bed..c40d8b2 100644
> --- a/drivers/pci/host/pci-layerscape.c
> +++ b/drivers/pci/host/pci-layerscape.c
> @@ -203,6 +203,7 @@ static const struct of_device_id ls_pcie_of_match[] = {
>  	{ .compatible = "fsl,ls1021a-pcie", .data = &ls1021_drvdata },
>  	{ .compatible = "fsl,ls1043a-pcie", .data = &ls1043_drvdata },
>  	{ .compatible = "fsl,ls2080a-pcie", .data = &ls2080_drvdata },
> +	{ .compatible = "fsl,ls2085a-pcie", .data = &ls2080_drvdata },

Hmm, "fsl,ls2085a-pcie" doesn't appear in
Documentation/devicetree/bindings/pci/.  

Aren't we supposed to add these strings to the bindings before or at
the same time we add them to drivers?

checkpatch doesn't complain though, so maybe I'm wrong about this.

>  	{ },
>  };
>  MODULE_DEVICE_TABLE(of, ls_pcie_of_match);
> -- 
> 2.0.2
> 
> --
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