usb: xhci: check usb2 port capabilities before adding hw link PM support

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Hardware link powermanagement in usb2 is a per-port capability.
Previously support for hw lpm was enabled for all ports if any usb2 port supported it.

Now instead cache the capability values and check them for each port individually

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

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Mathias Nyman 2013-05-23 17:14:28 +03:00 • committed by Sarah Sharp

parent 851ec164b1

commit b630d4b9d0

3 changed files with 58 additions and 5 deletions

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33

drivers/usb/host/xhci-mem.c

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27

drivers/usb/host/xhci.c

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3

drivers/usb/host/xhci.h

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