USB: EHCI: slow down ITD reuse

[safe/jmp/linux-2.6] / drivers / usb / host / ehci.h

diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index fb7054c..262b00c 100644 (file)
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -87,6 +87,10 @@ struct ehci_hcd {                    /* one per controller */
        int                     next_uframe;    /* scan periodic, start here */
        unsigned                periodic_sched; /* periodic activity count */
 
+       /* list of itds completed while clock_frame was still active */
+       struct list_head        cached_itd_list;
+       unsigned                clock_frame;
+
        /* per root hub port */
        unsigned long           reset_done [EHCI_MAX_ROOT_PORTS];
 
@@ -220,6 +224,8 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
        }
 }
 
+static void free_cached_itd_list(struct ehci_hcd *ehci);
+
 /*-------------------------------------------------------------------------*/
 
 #include <linux/usb/ehci_def.h>