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

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Message-ID: <4BB31A6A.1000503@pengutronix.de>
Date:	Wed, 31 Mar 2010 11:48:26 +0200
From:	Marc Kleine-Budde <mkl@...gutronix.de>
To:	Anders Darander <anders.darander@...arespons.se>
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>,
	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:
> * Marc Kleine-Budde <mkl@...gutronix.de> [100331 11:18]:
>> 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.
> 
> Well, that was obviously something I overlooked / misinterpreted when I
> tried to solve our problem!
> 
> As I understand it, phy_mask is a bitfield for setting which PHYs should
> be enabled... Then this should have worked OK for us!

Yes, it's a bitmask of PHYs that should be probed.

>> static struct at91_eth_data __initdata p298_macb_data = {
>>        .is_rmii        = 0,
>>        .phy_mask       = ~(1 << 8),
>> };
> 
>> at91_add_device_eth(&p298_macb_data);
> 
> I've not tested it, but it should probably have worked.

Cheers, Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
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