linux-kernel - Re: [PATCH][V2] MACB: Set PHY address in kernel parameters

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Date:	Wed, 31 Mar 2010 11:17:57 +0200
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	Anders Darander <anders.darander@...il.com>
CC:	Haavard Skinnemoen <hskinnemoen@...el.com>,
	"David S. Miller" <davem@...emloft.net>,
	Jiri Pirko <jpirko@...hat.com>,
	Erik Waling <erik.waling@...ftel.com>,
	Patrick McHardy <kaber@...sh.net>,
	Anders Darander <ad@...arespons.se>,
	Grant Likely <grant.likely@...retlab.ca>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][V2] MACB: Set PHY address in kernel parameters

Anders Darander wrote:
> From: Anders Darander <ad@...arespons.se>
> 
> Add the possibility to set the phy address. This is needed if an integrated
> switch is connected to the MAC, as it is often the case that the highest port
> is the one connected to the MAC of the MCU.
> 
> E.g. in the case of the Micrel KSZ8873, port 3 is the one to connect to the
> MCU, thus, the MAC needs to connect to phy address 0x03, instead of the first
> phy found.

We're using phy_mask in one of our projects, it's still using 2.6.29,
though. I think it's worth testing if it's still working.

static struct at91_eth_data __initdata p298_macb_data = {
       .is_rmii        = 0,
       .phy_mask       = ~(1 << 8),
};

at91_add_device_eth(&p298_macb_data);

cheers, Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
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