[LUCID][SRU] Fix issue where USB ports not powered after suspend on newer machines

Jerone Young jerone.young at canonical.com
Mon May 24 21:57:32 UTC 2010


SRU Justification:
Recent Lenovo Thinkpads & other newer machines have begun to depend on
the OS to power on the USB controller after supsend wakeup. This is
apparently apart of the acpi specification, though before now the bios
has done this job. Fix is upstream & in stable branch of 2.6.33.
https://bugs.launchpad.net/oem-priority/+bug/566149

Fix:
http://git.kernel.org/?p=linux/kernel/git/hpa/linux-2.6-allstable.git;a=commit;h=9ffd6e94b8029e8d6f64a6172461bc65df87a8b5

Test Cases:
Wake up from suspend and usb ports are powered and usable.







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