According to Lenovo the bios expects OS to re-initialize USB controller/USB
Port/USB
device besides controlling the power as ACPI defines.
Given this it is looking like a kernel issue not repowering up USB.
@bbandi
Can you update your bios to 1.15 & see what happens when you try to
reload ehci.
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Lucid: No USB after resume on Thinkpad X201, T410, T510, W510
https://bugs.launchpad.net/bugs/566149
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