From: Alan Stern <stern@rowland.harvard.edu>
Date: Thu, 8 Apr 2010 20:56:37 +0000 (-0400)
Subject: USB: EHCI: defer reclamation of siTDs
X-Git-Tag: v2.6.34-rc6~60^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e5f231bc16ff9910882fa5b9d64d80e7691cfab;p=pandora-kernel.git

USB: EHCI: defer reclamation of siTDs

This patch (as1369) fixes a problem in ehci-hcd.  Some controllers
occasionally run into trouble when the driver reclaims siTDs too
quickly.  This can happen while streaming audio; it causes the
controller to crash.

The patch changes siTD reclamation to work the same way as iTD
reclamation: Completed siTDs are stored on a list and not reused until
at least one frame has passed.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Nate Case <ncase@xes-inc.com>
CC: <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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