xHCI: store ring's last segment and segment numbers
authorAndiry Xu <andiry.xu@amd.com>
Mon, 5 Mar 2012 09:49:33 +0000 (17:49 +0800)
committerSarah Sharp <sarah.a.sharp@linux.intel.com>
Tue, 13 Mar 2012 16:29:46 +0000 (09:29 -0700)
Store the ring's last segment pointer and number of segments for ring
expansion usage.

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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