1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 86af41c41de1..679c1cdcc915 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -88,8 +88,11 @@ struct ehci_hcd {			/* one per controller */
         unsigned long           next_statechange;
         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 */
+
         u8                      sbrn;           /* packed release number */
 
         /* irq statistics */
@@ -639,6 +642,18 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
 
 /*-------------------------------------------------------------------------*/
 
+#ifdef CONFIG_PPC_83xx
+/* Some Freescale processors have an erratum in which the TT
+ * port number in the queue head was 0..N-1 instead of 1..N.
+ */
+#define ehci_has_fsl_portno_bug(e)              ((e)->has_fsl_port_bug)
+#else
+#define ehci_has_fsl_portno_bug(e)              (0)
+#endif
+
+
+/*-------------------------------------------------------------------------*/
+
 #ifndef DEBUG
 #define STUB_DEBUG_FILES
 #endif  /* DEBUG */