netdev - Re: [PATCH 3/6] arm: convert pcm037 platform to use smsc911x

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Date:	Tue, 20 Jan 2009 09:13:57 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	s.hauer@...gutronix.de
Cc:	steve.glendinning@...c.com,
	linux-arm-kernel@...ts.arm.linux.org.uk, netdev@...r.kernel.org,
	linux@....linux.org.uk, stanley.miao@...driver.com,
	ian.saturley@...c.com
Subject: Re: [PATCH 3/6] arm: convert pcm037 platform to use smsc911x

From: Sascha Hauer <s.hauer@...gutronix.de>
Date: Tue, 20 Jan 2009 16:29:51 +0100

> I just gave it a try on our pcm037 board and it turns out that it
> doesn't work.
> 
> The reason for this is not the driver, it's just that the hardware
> designers got the direction of the phy detect pin wrong. The pcm037 uses
> an internal phy, but the detection pin is pulled high :(
> 
> The old driver worked around this by falling back to the internal phy
> when no valid phy id is detected. The new driver lacks this fallback.
> 
> Instead of falling back we could also introduce a
> SMSC911X_FORCE_INTERNAL_PHY flag.
> 
> What do you think?

You could pass this "invert detection pin" state in the platform
device private.
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