netdev - Re: [PATCH RFC 3/3] [RFC] ARM: shmobile: genmai: Enable r7s72100-gether

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Date:	Wed, 25 Dec 2013 00:43:41 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Simon Horman <horms@...ge.net.au>
CC:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-sh@...r.kernel.org, Magnus Damm <magnus.damm@...il.com>
Subject: Re: [PATCH RFC 3/3] [RFC] ARM: shmobile: genmai: Enable r7s72100-gether

On 12/16/2013 04:30 AM, Simon Horman wrote:

>>     You forgot to sign off.

>> [...]

>>> diff --git a/arch/arm/mach-shmobile/board-genmai.c b/arch/arm/mach-shmobile/board-genmai.c
>>> index 3e92e3c..838325b 100644
>>> --- a/arch/arm/mach-shmobile/board-genmai.c
>>> +++ b/arch/arm/mach-shmobile/board-genmai.c
>>> @@ -20,15 +20,35 @@
>>>
>>>   #include <linux/kernel.h>
>>>   #include <linux/platform_device.h>
>>> +#include <linux/sh_eth.h>
>>>   #include <mach/common.h>
>>> +#include <mach/irqs.h>
>>>   #include <mach/r7s72100.h>
>>>   #include <asm/mach-types.h>
>>>   #include <asm/mach/arch.h>
>>>
>>> +/* GEther */
>>> +static const struct sh_eth_plat_data gether_pdata __initconst = {
>>> +	.phy			= 0x00, /* PD60610 */
>>> +	.edmac_endian		= EDMAC_LITTLE_ENDIAN,
>>> +	.phy_interface		= PHY_INTERFACE_MODE_MII,

>>     Does MII work for Gigabit Ethernet?

> My understanding is that although the SH ethernet block on
> the SoC supports Gigabit it is only wired up to allow 100Mbit
> access on the board and that MII is the interface used.

    No, it's the SoC manual that limits the Ethernet speed to 100 Mbps.

WBR, Sergei

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