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xHCI: Clear link state change support

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This patch adds support for Clear Port Feature(C_PORT_LINK_STATE)
request from usbcore.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Andiry Xu 2011-04-27 18:07:35 +08:00 committed by Sarah Sharp
parent a11496ebf3
commit 85387c0ea3
1 changed files with 5 additions and 0 deletions
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5
drivers/usb/host/xhci-hub.c
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@ -361,6 +361,10 @@ static void xhci_clear_port_change_bit(struct xhci_hcd *xhci, u16 wValue,
status = PORT_PLC; status = PORT_PLC;
port_change_bit = "suspend/resume"; port_change_bit = "suspend/resume";
break; break;
case USB_PORT_FEAT_C_PORT_LINK_STATE:
status = PORT_PLC;
port_change_bit = "link state";
break;
default: default:
/* Should never happen */ /* Should never happen */
return; return;
@ -639,6 +643,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
case USB_PORT_FEAT_C_CONNECTION: case USB_PORT_FEAT_C_CONNECTION:
case USB_PORT_FEAT_C_OVER_CURRENT: case USB_PORT_FEAT_C_OVER_CURRENT:
case USB_PORT_FEAT_C_ENABLE: case USB_PORT_FEAT_C_ENABLE:
case USB_PORT_FEAT_C_PORT_LINK_STATE:
xhci_clear_port_change_bit(xhci, wValue, wIndex, xhci_clear_port_change_bit(xhci, wValue, wIndex,
port_array[wIndex], temp); port_array[wIndex], temp);
break; break;