netdev - Re: [PATCH net-next] net: fec: Issue error for missing but expected PHY

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Date:   Sun, 30 Jul 2017 19:26:17 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     andrew@...n.ch
Cc:     netdev@...r.kernel.org, fugang.duan@....com
Subject: Re: [PATCH net-next] net: fec: Issue error for missing but
 expected PHY

From: Andrew Lunn <andrew@...n.ch>
Date: Sun, 30 Jul 2017 22:11:06 +0200

> If the PHY is missing but expected, e.g. because of a typ0 in the dt
> file, it is not possible to open the interface. ip link returns:
> 
> RTNETLINK answers: No such device
> 
> It is not very obvious what the problem is. Add a netdev_err() in this
> case to make it easier to debug the issue.
> 
> [   21.409385] fec 2188000.ethernet eth0: Unable to connect to phy
> RTNETLINK answers: No such device
> 
> Signed-off-by: Andrew Lunn <andrew@...n.ch>

Applied.