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authorAndiry Xu <andiry.xu@amd.com>2011-05-05 06:13:56 -0400
committerSarah Sharp <sarah.a.sharp@linux.intel.com>2011-05-09 12:34:46 -0400
commitb83cdc8f4d94a127e9319bef37f384b01ecca72e (patch)
treedffaaf7b188401220f45d2c7070d422a3ea21b08 /drivers/usb/host/xhci.h
parent04aebcbb1b6dccadc8862b2765265f65a946db57 (diff)
xHCI 1.0: Setup Stage TRB Transfer Type flag
Setup Stage Transfer Type field is added to indicate the presence and the direction of the Data Stage TD, and determines the direction of the Status Stage TD so the wLength length field should be ignored by the xHC. Signed-off-by: Andiry Xu <andiry.xu@amd.com> 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, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index db661543a805..af8b66f2fd00 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -967,6 +967,9 @@ struct xhci_event_cmd {
967 967
968/* Control transfer TRB specific fields */ 968/* Control transfer TRB specific fields */
969#define TRB_DIR_IN (1<<16) 969#define TRB_DIR_IN (1<<16)
970#define TRB_TX_TYPE(p) ((p) << 16)
971#define TRB_DATA_OUT 2
972#define TRB_DATA_IN 3
970 973
971/* Isochronous TRB specific fields */ 974/* Isochronous TRB specific fields */
972#define TRB_SIA (1<<31) 975#define TRB_SIA (1<<31)