the following patch was just integrated into master: commit e29584c1410e27db86df6fb4b5dcf5c1c00d6f68 Author: Kyösti Mälkki <kyosti.malkki@gmail.com> Date: Sat Aug 10 10:50:38 2013 +0300 usbdebug: Use separate data toggle for each pipe USB defines a mechanism to detect certain cases of lost handshakes using an alternating data sequence number, referred to as data toggling. This patch fixes each pipe to have its own tracking of the data toggle state. Change-Id: I62420bdaeadd0842da3189428a37eeb10c646900 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/3865 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com> See http://review.coreboot.org/3865 for details. -gerrit