netdev - Re: [PATCH] stmmac: Fix phy without MDIO subnode

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Message-ID: <56FC1972.9050704@gmail.com>
Date:	Wed, 30 Mar 2016 11:22:42 -0700
From:	Robert Gadsdon <rhgadsdon@...il.com>
To:	Giuseppe CAVALLARO <peppe.cavallaro@...com>,
	John Keeping <john@...anate.com>
Cc:	Gabriel Fernandez <gabriel.fernandez@...aro.org>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] stmmac: Fix phy without MDIO subnode

I have applied this to my Rock2 - Kernel 4.6-rc1 - and eth0 is present,
now, but no network traffic gets through:

To rock2:
$ ping rgrock2
PING rgrock2 (192.168.0.xx) 56(84) bytes of data.
^C
--- rgrock2 ping statistics ---
9 packets transmitted, 0 received, 100% packet loss, time 7999ms

>From rock2:
# ping 192.168.0.x
PING 192.168.0.x (192.168.0.2) 56(84) bytes of data.
>From 192.168.0.xx icmp_seq=1 Destination Host Unreachable
>From 192.168.0.xx icmp_seq=2 Destination Host Unreachable
>From 192.168.0.xx icmp_seq=3 Destination Host Unreachable
>From 192.168.0.xx icmp_seq=4 Destination Host Unreachable
>From 192.168.0.xx icmp_seq=5 Destination Host Unreachable
>From 192.168.0.xx icmp_seq=6 Destination Host Unreachable
>From 192.168.0.xx icmp_seq=7 Destination Host Unreachable
>From 192.168.0.xx icmp_seq=8 Destination Host Unreachable

--- 192.168.0.x ping statistics ---
9 packets transmitted, 0 received, +8 errors, 100% packet loss, time 8001ms

Everything worked OK with kernel 4.5-rc7, and with 4.5 Final with the
-rc7 versions of stmmac_platform.c and stmmac_mdio.c substituted..

Robert Gadsdon. March 30, 2016