Device	S-state	  Status   Sysfs node
P0P1	  S4	*disabled
EHC1	  S3	*enabled   pci:0000:00:1d.0
EHC2	  S3	*disabled
XHC	  S3	*enabled   pci:0000:00:14.0
RP01	  S4	*disabled  pci:0000:00:1c.0
PXSX	  S4	*disabled
RP02	  S3	*disabled
PXSX	  S4	*disabled
RP03	  S4	*disabled  pci:0000:00:1c.2
PXSX	  S4	*disabled  pci:0000:02:00.0
RP04	  S3	*disabled  pci:0000:00:1c.3
PXSX	  S3	*disabled  pci:0000:03:00.0
RP06	  S4	*disabled  pci:0000:00:1c.5
PXSX	  S4	*disabled