1 files changed, 32 insertions, 7 deletions

diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 4ada43cf1387..47c5c66a282c 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -398,11 +398,38 @@ struct ohci_hcd {
 #define OHCI_QUIRK_BE_MMIO      0x10                    /* BE registers */
 #define OHCI_QUIRK_ZFMICRO      0x20                    /* Compaq ZFMicro chipset*/
 #define OHCI_QUIRK_NEC          0x40                    /* lost interrupts */
+#define OHCI_QUIRK_FRAME_NO     0x80                    /* no big endian frame_no shift */
         // there are also chip quirks/bugs in init logic
 
         struct work_struct      nec_work;       /* Worker for NEC quirk */
+
+        /* Needed for ZF Micro quirk */
+        struct timer_list       unlink_watchdog;
+        unsigned                eds_scheduled;
+        struct ed               *ed_to_check;
+        unsigned                zf_delay;
 };
 
+#ifdef CONFIG_PCI
+static inline int quirk_nec(struct ohci_hcd *ohci)
+{
+        return ohci->flags & OHCI_QUIRK_NEC;
+}
+static inline int quirk_zfmicro(struct ohci_hcd *ohci)
+{
+        return ohci->flags & OHCI_QUIRK_ZFMICRO;
+}
+#else
+static inline int quirk_nec(struct ohci_hcd *ohci)
+{
+        return 0;
+}
+static inline int quirk_zfmicro(struct ohci_hcd *ohci)
+{
+        return 0;
+}
+#endif
+
 /* convert between an hcd pointer and the corresponding ohci_hcd */
 static inline struct ohci_hcd *hcd_to_ohci (struct usb_hcd *hcd)
 {
@@ -607,15 +634,12 @@ static inline u32 hc32_to_cpup (const struct ohci_hcd *ohci, const __hc32 *x)
 /* HCCA frame number is 16 bits, but is accessed as 32 bits since not all
  * hardware handles 16 bit reads.  That creates a different confusion on
  * some big-endian SOC implementations.  Same thing happens with PSW access.
- *
- * FIXME: Deal with that as a runtime quirk when STB03xxx is ported over
- * to arch/powerpc
  */
 
-#ifdef CONFIG_STB03xxx
-#define OHCI_BE_FRAME_NO_SHIFT  16
+#ifdef CONFIG_PPC_MPC52xx
+#define big_endian_frame_no_quirk(ohci) (ohci->flags & OHCI_QUIRK_FRAME_NO)
 #else
-#define OHCI_BE_FRAME_NO_SHIFT  0
+#define big_endian_frame_no_quirk(ohci) 0
 #endif
 
 static inline u16 ohci_frame_no(const struct ohci_hcd *ohci)
@@ -623,7 +647,8 @@ static inline u16 ohci_frame_no(const struct ohci_hcd *ohci)
         u32 tmp;
         if (big_endian_desc(ohci)) {
                 tmp = be32_to_cpup((__force __be32 *)&ohci->hcca->frame_no);
-                tmp >>= OHCI_BE_FRAME_NO_SHIFT;
+                if (!big_endian_frame_no_quirk(ohci))
+                        tmp >>= 16;
         } else
                 tmp = le32_to_cpup((__force __le32 *)&ohci->hcca->frame_no);