For improved scheduling of transfers through a Transaction Translator,
ehci-hcd will need to store a bunch of information associated with the
FS/LS bus on the downstream side of the TT. This patch adds a pointer
for such HCD-private data to the usb_tt structure.
Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
---
[as1722]
include/linux/usb/hcd.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
Index: usb-3.11/include/linux/usb/hcd.h
===================================================================
--- usb-3.11.orig/include/linux/usb/hcd.h
+++ usb-3.11/include/linux/usb/hcd.h
@@ -503,6 +503,7 @@ struct usb_tt {
struct usb_device *hub; /* upstream highspeed hub */
int multi; /* true means one TT per port */
unsigned think_time; /* think time in ns */
+ void *hcpriv; /* HCD private data */
/* for control/bulk error recovery (CLEAR_TT_BUFFER) */
spinlock_t lock;
--
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