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authorAndiry Xu <andiry.xu@amd.com>2010-10-14 07:23:03 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-22 10:22:13 -0700
commit9777e3ce907d4cb5a513902a87ecd03b52499569 (patch)
treea2b28eeeaddd39d7c8cdd59f6ddbfa694d40d5ba /drivers/usb/host/xhci-pci.c
parent561925318725a41189a69f36ebe99199b3fb84c4 (diff)
downloadop-kernel-dev-9777e3ce907d4cb5a513902a87ecd03b52499569.zip
op-kernel-dev-9777e3ce907d4cb5a513902a87ecd03b52499569.tar.gz
USB: xHCI: bus power management implementation
This patch implements xHCI bus suspend/resume function hook. In the patch it goes through all the ports and suspend/resume the ports if needed. If any port is in remote wakeup, abort bus suspend as what ehci/ohci do. Signed-off-by: Libin Yang <libin.yang@amd.com> Signed-off-by: Crane Cai <crane.cai@amd.com> 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>
Diffstat (limited to 'drivers/usb/host/xhci-pci.c')
-rw-r--r--drivers/usb/host/xhci-pci.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index aefc349..3865f8c 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -162,6 +162,8 @@ static const struct hc_driver xhci_pci_hc_driver = {
/* Root hub support */
.hub_control = xhci_hub_control,
.hub_status_data = xhci_hub_status_data,
+ .bus_suspend = xhci_bus_suspend,
+ .bus_resume = xhci_bus_resume,
};
/*-------------------------------------------------------------------------*/
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