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authorSarah Sharp <sarah.a.sharp@linux.intel.com>2010-12-16 10:49:09 -0800
committerSarah Sharp <sarah.a.sharp@linux.intel.com>2011-03-13 18:23:38 -0700
commit5233630fcdd6f7d415dcbed264031439cab73f9d (patch)
treef877073953835d8989c83ab8473cf2100b64dd84 /drivers/usb/host/xhci.h
parent20b67cf51fa606442bb343afad0ee1a393a6afb3 (diff)
xhci: Change xhci_find_slot_id_by_port() API.
xhci_find_slot_id_by_port() tries to map the port index to the slot ID for the USB device. In the future, there will be two xHCI roothubs, and their port indices will overlap. Therefore, xhci_find_slot_id_by_port() will need to use information in the roothub's usb_hcd structure to map the port index and roothub speed to the right slot ID. Add a new parameter to xhci_find_slot_id_by_port(), in order to pass in the roothub's usb_hcd structure. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index c15470eb121..443d6333f28 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1533,7 +1533,8 @@ int xhci_bus_resume(struct usb_hcd *hcd);
#endif /* CONFIG_PM */
u32 xhci_port_state_to_neutral(u32 state);
-int xhci_find_slot_id_by_port(struct xhci_hcd *xhci, u16 port);
+int xhci_find_slot_id_by_port(struct usb_hcd *hcd, struct xhci_hcd *xhci,
+ u16 port);
void xhci_ring_device(struct xhci_hcd *xhci, int slot_id);
/* xHCI contexts */