From 2fdcd47b6980f4e26a97811a17f5be7cb919ef90 Mon Sep 17 00:00:00 2001
From: Andiry Xu <andiry.xu@amd.com>
Date: Mon, 5 Mar 2012 17:49:39 +0800
Subject: [PATCH] xHCI: Allocate 2 segments for transfer ring

Allocate 2 segments for transfer ring by default, so we can expand the ring
when the enqueue pointer and dequeue pointer are in different segments.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Paul Zimmerman <Paul.Zimmerman@synopsys.com>
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