netdev - Re: [PATCH net-next 1/2] ARM: dts: socfpga: DTS updates for stmmac driver

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Date:	Fri, 10 Jan 2014 17:58:06 -0600
From:	Vince Bridgers <vbridgers2013@...il.com>
To:	devicetree@...r.kernel.org, netdev@...r.kernel.org
Cc:	Giuseppe CAVALLARO <peppe.cavallaro@...com>, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	dinguyen@...era.com, Rayagond Kokatanur <rayagond@...avyalabs.com>,
	Vince Bridgers <vbridgers2013@...il.com>
Subject: Re: [PATCH net-next 1/2] ARM: dts: socfpga: DTS updates for stmmac driver

Please disregard, sorry for the noise.



On Fri, Jan 10, 2014 at 5:47 PM, Vince Bridgers <vbridgers2013@...il.com> wrote:
> This change adds a parameter for the Synopsys 10/100/1000
> stmmac Ethernet driver to configure the maximum MTU supported
> by the EMAC instance. Synopsys allows the FIFO sizes to
> be configured when the cores are built for a particular
> device, but do not provide a way for the driver to read
> information from the device about the maximum MTU size
> supported as limited by the device's FIFO size.
>
> This patch has been tested with changes being submitted
> seperately for the Synopsys 10/100/1000 stmmac driver.
>
> Signed-off-by: Vince Bridgers <vbridgers2013@...il.com>
> ---
>  Documentation/devicetree/bindings/net/stmmac.txt |    5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/stmmac.txt b/Documentation/devicetree/bindings/net/stmmac.txt
> index eba0e5e..7db314e 100644
> --- a/Documentation/devicetree/bindings/net/stmmac.txt
> +++ b/Documentation/devicetree/bindings/net/stmmac.txt
> @@ -30,6 +30,10 @@ Required properties:
>
>  Optional properties:
>  - mac-address: 6 bytes, mac address
> +- snps,max-mtu:                Maximum MTU permitted. This parameter is useful since
> +                       different implementations of the Synopsys MAC may have
> +                       different FIFO sizes depending on the selections
> +                       made in Synopsys Core Consultant.
>
>  Examples:
>
> @@ -40,5 +44,6 @@ Examples:
>                 interrupts = <24 23>;
>                 interrupt-names = "macirq", "eth_wake_irq";
>                 mac-address = [000000000000]; /* Filled in by U-Boot */
> +               snps,max-mtu = <3800>;
>                 phy-mode = "gmii";
>         };
> --
> 1.7.9.5
>
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