From a9a4a2d9d622e3bde41356aa4e2694cee052d002 Mon Sep 17 00:00:00 2001
From: "Lendacky, Thomas" <Thomas.Lendacky@amd.com>
Date: Fri, 29 Aug 2014 13:16:50 -0500
Subject: [PATCH] amd-xgbe: Check for Tx hardware queue flushing support

The flushing of the Tx hardware queues is only supported at a certain
level of the hardware.  Retrieve the current version of the hardware
and use that to determine if flushing is supported.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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