Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
[pandora-kernel.git] / drivers / usb / host / ehci.h
index bf92d20..90245fd 100644 (file)
@@ -97,6 +97,8 @@ struct ehci_hcd {                     /* one per controller */
                        dedicated to the companion controller */
        unsigned long           owned_ports;            /* which ports are
                        owned by the companion during a bus suspend */
+       unsigned long           port_c_suspend;         /* which ports have
+                       the change-suspend feature turned on */
 
        /* per-HC memory pools (could be per-bus, but ...) */
        struct dma_pool         *qh_pool;       /* qh per active urb */
@@ -112,7 +114,6 @@ struct ehci_hcd {                   /* one per controller */
        u32                     command;
 
        /* SILICON QUIRKS */
-       unsigned                is_tdi_rh_tt:1; /* TDI roothub with TT */
        unsigned                no_selective_suspend:1;
        unsigned                has_fsl_port_bug:1; /* FreeScale */
        unsigned                big_endian_mmio:1;
@@ -176,6 +177,15 @@ timer_action_done (struct ehci_hcd *ehci, enum ehci_timer_action action)
 static inline void
 timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
 {
+       /* Don't override timeouts which shrink or (later) disable
+        * the async ring; just the I/O watchdog.  Note that if a
+        * SHRINK were pending, OFF would never be requested.
+        */
+       if (timer_pending(&ehci->watchdog)
+                       && ((BIT(TIMER_ASYNC_SHRINK) | BIT(TIMER_ASYNC_OFF))
+                               & ehci->actions))
+               return;
+
        if (!test_and_set_bit (action, &ehci->actions)) {
                unsigned long t;
 
@@ -191,15 +201,7 @@ timer_action (struct ehci_hcd *ehci, enum ehci_timer_action action)
                        t = EHCI_SHRINK_JIFFIES;
                        break;
                }
-               t += jiffies;
-               // all timings except IAA watchdog can be overridden.
-               // async queue SHRINK often precedes IAA.  while it's ready
-               // to go OFF neither can matter, and afterwards the IO
-               // watchdog stops unless there's still periodic traffic.
-               if (time_before_eq(t, ehci->watchdog.expires)
-                               && timer_pending (&ehci->watchdog))
-                       return;
-               mod_timer (&ehci->watchdog, t);
+               mod_timer(&ehci->watchdog, t + jiffies);
        }
 }
 
@@ -678,7 +680,7 @@ struct ehci_fstn {
  * needed (mostly in root hub code).
  */
 
-#define        ehci_is_TDI(e)                  ((e)->is_tdi_rh_tt)
+#define        ehci_is_TDI(e)                  (ehci_to_hcd(e)->has_tt)
 
 /* Returns the speed of a device attached to a port on the root hub. */
 static inline unsigned int