netdev - Keystone 2 boards boot failure

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Date:	Tue, 2 Feb 2016 10:50:41 -0600
From:	"Franklin S Cooper Jr." <fcooper@...com>
To:	<m-karicheri2@...com>, <netdev@...r.kernel.org>, <arnd@...db.de>
CC:	<w-kwok2@...com>, <davem@...emloft.net>
Subject: Keystone 2 boards boot failure

Hi All,

Latest mainline is currently failing to boot for Keystone 2
Hawking but I'm assuming its true for other Keystone 2
boards. Bisect shows that this issue popped up after the
patch "netcp: try to reduce type confusion in descriptors"
(commit 89907779) was introduced. There was another patch
"netcp: fix regression in receive processing" that seems to
fix some bugs that the prior patch introduced however it
still did not resolve the boot failure and was documented as
not being tested.

Should we revert these commits or does anyone have any
suggestions on how to fix these failures? I would be more
than happy to test any fix.

Bootlogs:
Bootlog 4.5.0-rc2: http://pastebin.com/bsH4u656 (Failed)
Bootlog 4.5.0-rc1: http://pastebin.com/MwY0eS7x (Failed)
Bootlog 4.4: http://pastebin.com/yfBND9Vi (Passed)