xHCI: Check host USB2 LPM capability

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Check the host's USB2 LPM capability.

USB2 software LPM support is optional for xHCI 0.96 hosts. xHCI 1.0 hosts
should support software LPM, and may support hardware LPM.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

...

This commit is contained in:

Andiry Xu 2011-09-23 14:19:51 -07:00 • committed by Greg Kroah-Hartman

parent 6fd4562178

commit fc71ff7583

3 changed files with 27 additions and 0 deletions

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6

drivers/usb/host/xhci-ext-caps.h

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17

drivers/usb/host/xhci-mem.c

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4

drivers/usb/host/xhci.h

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