From 70d43601773b9f270b62867a51495846d746b5d4 Mon Sep 17 00:00:00 2001
From: Andiry Xu <andiry.xu@amd.com>
Date: Mon, 5 Mar 2012 17:49:35 +0800
Subject: [PATCH] xHCI: factor out segments allocation and free function

Factor out the segments allocation and free part from ring allocation
and free routines since driver may call them directly when try to expand
a ring.

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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