netdev - Re: [PATCH v2 net-next 1/2] ravb: add fallback compatibility strings

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Message-ID: <20151202143218.GA18640@rob-hp-laptop>
Date:	Wed, 2 Dec 2015 08:32:18 -0600
From:	Rob Herring <robh@...nel.org>
To:	Simon Horman <horms+renesas@...ge.net.au>
Cc:	netdev@...r.kernel.org, linux-sh@...r.kernel.org,
	Magnus Damm <magnus.damm@...il.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v2 net-next 1/2] ravb: add fallback compatibility strings

On Wed, Dec 02, 2015 at 02:58:32PM +0900, Simon Horman wrote:
> Add fallback compatibility strings for R-Car Gen 2 & 3 SoC Families.
> This is in keeping with the fallback scheme being adopted wherever appropriate
> for drivers for Renesas SoCs.
> 
> Signed-off-by: Simon Horman <horms+renesas@...ge.net.au>

Acked-by: Rob Herring <robh@...nel.org>

> 
> ---
> v2
> * Drop bogus typo non-fix
> * include "rcar-" in generic bindings
> ---
>  Documentation/devicetree/bindings/net/renesas,ravb.txt | 9 ++++++++-
>  drivers/net/ethernet/renesas/ravb_main.c               | 2 ++
>  2 files changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/renesas,ravb.txt b/Documentation/devicetree/bindings/net/renesas,ravb.txt
> index b486f3f5f6a3..7555116b5db2 100644
> --- a/Documentation/devicetree/bindings/net/renesas,ravb.txt
> +++ b/Documentation/devicetree/bindings/net/renesas,ravb.txt
> @@ -7,6 +7,13 @@ Required properties:
>  - compatible: "renesas,etheravb-r8a7790" if the device is a part of R8A7790 SoC.
>  	      "renesas,etheravb-r8a7794" if the device is a part of R8A7794 SoC.
>  	      "renesas,etheravb-r8a7795" if the device is a part of R8A7795 SoC.
> +	      "renesas,etheravb-rcar-gen2" for generic R-Car Gen 2 compatible interface.
> +	      "renesas,etheravb-rcar-gen3" for generic R-Car Gen 3 compatible interface.
> +
> +	      When compatible with the generic version, nodes must list the
> +	      SoC-specific version corresponding to the platform first
> +	      followed by the generic version.
> +
>  - reg: offset and length of (1) the register block and (2) the stream buffer.
>  - interrupts: A list of interrupt-specifiers, one for each entry in
>  	      interrupt-names.
> @@ -37,7 +44,7 @@ Optional properties:
>  Example:
>  
>  	ethernet@...00000 {
> -		compatible = "renesas,etheravb-r8a7795";
> +		compatible = "renesas,etheravb-r8a7795", "renesas,etheravb-rcar-gen3";
>  		reg = <0 0xe6800000 0 0x800>, <0 0xe6a00000 0 0x10000>;
>  		interrupt-parent = <&gic>;
>  		interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
> index 990dc55cdada..c12b163ed7fe 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
> @@ -1656,7 +1656,9 @@ static int ravb_mdio_release(struct ravb_private *priv)
>  static const struct of_device_id ravb_match_table[] = {
>  	{ .compatible = "renesas,etheravb-r8a7790", .data = (void *)RCAR_GEN2 },
>  	{ .compatible = "renesas,etheravb-r8a7794", .data = (void *)RCAR_GEN2 },
> +	{ .compatible = "renesas,etheravb-rcar-gen2", .data = (void *)RCAR_GEN2 },
>  	{ .compatible = "renesas,etheravb-r8a7795", .data = (void *)RCAR_GEN3 },
> +	{ .compatible = "renesas,etheravb-rcar-gen3", .data = (void *)RCAR_GEN3 },
>  	{ }
>  };
>  MODULE_DEVICE_TABLE(of, ravb_match_table);
> -- 
> 2.1.4
> 
> --
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