From 8b833b4faa76df878cbf6059212093f2842c3962 Mon Sep 17 00:00:00 2001
From: Kevin Scott <kevin.c.scott@intel.com>
Date: Wed, 9 Apr 2014 05:58:54 +0000
Subject: [PATCH] i40e/i40evf: Update check for AQ aliveness

Update the i40e_check_asq_alive check to ensure that the len register
offset is non-zero, indicating that SW has initialized the AQ.

Change-ID: I9c2e804788b4775bef9c7e80954ab004e6bdb306
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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