linux-kernel - Re: [PATCH] net: let the MII driver inform a MAC about changed wire speed

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Message-ID: <4806474A.3020502@garzik.org>
Date:	Wed, 16 Apr 2008 14:36:58 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Wappler Marcel <Marcel.Wappler@...dgeco.net>
CC:	linux-kernel@...r.kernel.org, David Miller <davem@...emloft.net>,
	NetDev <netdev@...r.kernel.org>
Subject: Re: [PATCH] net: let the MII driver inform a MAC about changed wire
 speed

Wappler Marcel wrote:
> This was tested on a ARM926 base SoC with an IP based ethernet MAC (10/100 MBit) together with a Realtek RTL8201 MII and a SMCSC
> 8700 RMII with kernel 2.6.24.
> 
> ---
> An Ethernet MAC needs to know the medium speed (10/100/1000 Mbps) of an RMII PHY in order to correctly interpret data originating
> from that PHY. The function mii_check_media() has been extended to allow retrieval of the medium speed by a MAC driver. A trivial
> modification to existing MAC drivers will allow them to cover operation with both MII and RMII PHYs.
> Signed-off-by: Marcel Wappler <marcel.wappler@...dgeco.net>

Please make sure to copy netdev list...

Queued for review.

	Jeff



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