netdev - Re: [patch 6/7] PHY probe not working properly for ibm

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Message-ID: <45919705.9090002@garzik.org>
Date:	Tue, 26 Dec 2006 16:41:25 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	akpm@...l.org
CC:	netdev@...r.kernel.org, hynek@...c.cz
Subject: Re: [patch 6/7] PHY probe not working properly for ibm_emac (PPC4xx)

akpm@...l.org wrote:
> From: Hynek Petrak <hynek@...c.cz>
> 
> I have a system with AMCC PowerPC 405EP and PHY Intel LXT971A.  Linux
> 2.6.18.3 is not able to detect the PHY ID correctly.  The PHY ID
> detected is 0, but should be 0x1d.
> 
> This is because phy_read() (__emac_mdio_read() resp.) from
> drivers/net/ibm_emac/ibm_emac_core.c might return -ETIMEDOUT or
> -EREMOTEIO on error.  This is ignored inside the
> 
> int mii_phy_probe(struct mii_phy *phy, int address)
> from drivers/net/ibm_emac/ibm_emac_phy.c
> 
> as the return value is assigned to an u32 variable.
> 
> Cc: Jeff Garzik <jeff@...zik.org>
> Signed-off-by: Andrew Morton <akpm@...l.org>

applied


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