Re: [PATCH v3 01/10] bindings: PCI: designware: Example update

From: Rob Herring
Date: Fri Apr 13 2018 - 17:34:37 EST


On Tue, Apr 10, 2018 at 01:58:33PM +0100, Gustavo Pimentel wrote:
> Replaces "ctrlreg" reg-name by "dbi" to be coherent with similar drivers,
> however it still be compatible with any previous DT that uses the old
> reg-name.
>
> Replaces the PCIe base address example by a real PCIe base address in use.
>
> Signed-off-by: Gustavo Pimentel <gustavo.pimentel@xxxxxxxxxxxx>
> ---
> Changes v1->v2:
> - Removed any iATU reference or changes to avoid confusion.
> - Add "snps,dw-pcie" compatible string following Kishon's suggestion.
> Changes v2->v3:
> - Nothing changed, just to follow the patch set version.
>
> Documentation/devicetree/bindings/pci/designware-pcie.txt | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> index 1da7ade..f02cd20 100644
> --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
> +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
> @@ -1,7 +1,8 @@
> * Synopsys DesignWare PCIe interface
>
> Required properties:
> -- compatible: should contain "snps,dw-pcie" to identify the core.
> +- compatible:
> + "snps,dw-pcie-rc", "snps,dw-pcie" for RC mode;

I think adding this compatible is pointless. "snps,dw-pcie" meant RC and
should continue to mean that. We also have compatibles with the IP
version number as well as the SoC specific compatible strings. We don't
need 4 compatible strings here.

Rob