From d63a6dcf06cb3e6f3d08d79ba23603b03828650e Mon Sep 17 00:00:00 2001
From: Hariprasad Shenai <hariprasad@chelsio.com>
Date: Fri, 26 Sep 2014 00:23:52 +0530
Subject: [PATCH] cxgb4: Use BAR2 Going To Sleep (GTS) for T5 and later.

Use BAR2 GTS for T5. If we are on T4 use the old doorbell mechanism;
otherwise ue the new BAR2 mechanism. Use BAR2 doorbells for refilling FL's.

Based on original work by Casey Leedom <leedom@chelsio.com>

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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