From fc71ff7583b14347fa1cb592b698f088ecff36e3 Mon Sep 17 00:00:00 2001 From: Andiry Xu Date: Fri, 23 Sep 2011 14:19:51 -0700 Subject: xHCI: Check host USB2 LPM capability 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 Signed-off-by: Sarah Sharp Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/usb/host/xhci.h') diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index fa921cbbe872..8673f985046e 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1459,6 +1459,10 @@ struct xhci_hcd { /* Array of pointers to USB 2.0 PORTSC registers */ __le32 __iomem **usb2_ports; unsigned int num_usb2_ports; + /* support xHCI 0.96 spec USB2 software LPM */ + unsigned sw_lpm_support:1; + /* support xHCI 1.0 spec USB2 hardware LPM */ + unsigned hw_lpm_support:1; }; /* convert between an HCD pointer and the corresponding EHCI_HCD */ -- cgit v1.2.3