6 files changed, 84 insertions, 5 deletions

diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 4f6bb3d2160e..738ea1a691cb 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -127,6 +127,7 @@ struct usb_function {
         /* private: */
         /* internals */
         struct list_head                list;
+        DECLARE_BITMAP(endpoints, 32);
 };
 
 int usb_add_function(struct usb_configuration *, struct usb_function *);
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 2443c0e7a80c..52bb917641f0 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -33,6 +33,23 @@ enum usb_otg_state {
         OTG_STATE_A_VBUS_ERR,
 };
 
+#define USB_OTG_PULLUP_ID               (1 << 0)
+#define USB_OTG_PULLDOWN_DP             (1 << 1)
+#define USB_OTG_PULLDOWN_DM             (1 << 2)
+#define USB_OTG_EXT_VBUS_INDICATOR      (1 << 3)
+#define USB_OTG_DRV_VBUS                (1 << 4)
+#define USB_OTG_DRV_VBUS_EXT            (1 << 5)
+
+struct otg_transceiver;
+
+/* for transceivers connected thru an ULPI interface, the user must
+ * provide access ops
+ */
+struct otg_io_access_ops {
+        int (*read)(struct otg_transceiver *otg, u32 reg);
+        int (*write)(struct otg_transceiver *otg, u32 val, u32 reg);
+};
+
 /*
  * the otg driver needs to interact with both device side and host side
  * usb controllers.  it decides which controller is active at a given
@@ -42,6 +59,7 @@ enum usb_otg_state {
 struct otg_transceiver {
         struct device           *dev;
         const char              *label;
+        unsigned int             flags;
 
         u8                      default_a;
         enum usb_otg_state      state;
@@ -49,10 +67,17 @@ struct otg_transceiver {
         struct usb_bus          *host;
         struct usb_gadget       *gadget;
 
+        struct otg_io_access_ops        *io_ops;
+        void __iomem                    *io_priv;
+
         /* to pass extra port status to the root hub */
         u16                     port_status;
         u16                     port_change;
 
+        /* initialize/shutdown the OTG controller */
+        int     (*init)(struct otg_transceiver *otg);
+        void    (*shutdown)(struct otg_transceiver *otg);
+
         /* bind/unbind the host controller */
         int     (*set_host)(struct otg_transceiver *otg,
                                 struct usb_bus *host);
@@ -65,6 +90,10 @@ struct otg_transceiver {
         int     (*set_power)(struct otg_transceiver *otg,
                                 unsigned mA);
 
+        /* effective for A-peripheral, ignored for B devices */
+        int     (*set_vbus)(struct otg_transceiver *otg,
+                                bool enabled);
+
         /* for non-OTG B devices: set transceiver into suspend mode */
         int     (*set_suspend)(struct otg_transceiver *otg,
                                 int suspend);
@@ -85,6 +114,38 @@ extern int otg_set_transceiver(struct otg_transceiver *);
 extern void usb_nop_xceiv_register(void);
 extern void usb_nop_xceiv_unregister(void);
 
+/* helpers for direct access thru low-level io interface */
+static inline int otg_io_read(struct otg_transceiver *otg, u32 reg)
+{
+        if (otg->io_ops && otg->io_ops->read)
+                return otg->io_ops->read(otg, reg);
+
+        return -EINVAL;
+}
+
+static inline int otg_io_write(struct otg_transceiver *otg, u32 reg, u32 val)
+{
+        if (otg->io_ops && otg->io_ops->write)
+                return otg->io_ops->write(otg, reg, val);
+
+        return -EINVAL;
+}
+
+static inline int
+otg_init(struct otg_transceiver *otg)
+{
+        if (otg->init)
+                return otg->init(otg);
+
+        return 0;
+}
+
+static inline void
+otg_shutdown(struct otg_transceiver *otg)
+{
+        if (otg->shutdown)
+                otg->shutdown(otg);
+}
 
 /* for usb host and peripheral controller drivers */
 extern struct otg_transceiver *otg_get_transceiver(void);
@@ -97,6 +158,12 @@ otg_start_hnp(struct otg_transceiver *otg)
         return otg->start_hnp(otg);
 }
 
+/* Context: can sleep */
+static inline int
+otg_set_vbus(struct otg_transceiver *otg, bool enabled)
+{
+        return otg->set_vbus(otg, enabled);
+}
 
 /* for HCDs */
 static inline int
@@ -105,7 +172,6 @@ otg_set_host(struct otg_transceiver *otg, struct usb_bus *host)
         return otg->set_host(otg, host);
 }
 
-
 /* for usb peripheral controller drivers */
 
 /* Context: can sleep */
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index ce911ebf91e8..acf6e457c04b 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -39,8 +39,6 @@ enum port_dev_state {
  * @serial: pointer back to the struct usb_serial owner of this port.
  * @port: pointer to the corresponding tty_port for this port.
  * @lock: spinlock to grab when updating portions of this structure.
- * @mutex: mutex used to synchronize serial_open() and serial_close()
- *      access for this port.
  * @number: the number of the port (the minor number).
  * @interrupt_in_buffer: pointer to the interrupt in buffer for this port.
  * @interrupt_in_urb: pointer to the interrupt in struct urb for this port.
@@ -77,7 +75,6 @@ struct usb_serial_port {
         struct usb_serial       *serial;
         struct tty_port         port;
         spinlock_t              lock;
-        struct mutex            mutex;
         unsigned char           number;
 
         unsigned char           *interrupt_in_buffer;
diff --git a/include/linux/usb/ulpi.h b/include/linux/usb/ulpi.h
new file mode 100644
index 000000000000..20675c6ebc4d
--- /dev/null
+++ b/include/linux/usb/ulpi.h
@@ -0,0 +1,7 @@
+#ifndef __LINUX_USB_ULPI_H
+#define __LINUX_USB_ULPI_H
+
+struct otg_transceiver *otg_ulpi_create(struct otg_io_access_ops *ops,
+                                        unsigned int flags);
+
+#endif /* __LINUX_USB_ULPI_H */
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index f81473052059..8ce61359bf73 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -55,6 +55,7 @@ struct usbnet {
         struct sk_buff_head     done;
         struct sk_buff_head     rxq_pause;
         struct urb              *interrupt;
+        struct usb_anchor       deferred;
         struct tasklet_struct   bh;
 
         struct work_struct      kevent;
@@ -65,6 +66,8 @@ struct usbnet {
 #               define EVENT_STS_SPLIT  3
 #               define EVENT_LINK_RESET 4
 #               define EVENT_RX_PAUSED  5
+#               define EVENT_DEV_WAKING 6
+#               define EVENT_DEV_ASLEEP 7
 };
 
 static inline struct usb_driver *driver_of(struct usb_interface *intf)
@@ -90,7 +93,9 @@ struct driver_info {
 #define FLAG_WLAN       0x0080          /* use "wlan%d" names */
 #define FLAG_AVOID_UNLINK_URBS 0x0100   /* don't unlink urbs at usbnet_stop() */
 #define FLAG_SEND_ZLP   0x0200          /* hw requires ZLPs are sent */
+#define FLAG_WWAN       0x0400          /* use "wwan%d" names */
 
+#define FLAG_LINK_INTR  0x0800          /* updates link (carrier) status */
 
         /* init device ... can sleep, or cause probe() failure */
         int     (*bind)(struct usbnet *, struct usb_interface *);
@@ -107,6 +112,9 @@ struct driver_info {
         /* see if peer is connected ... can sleep */
         int     (*check_connect)(struct usbnet *);
 
+        /* (dis)activate runtime power management */
+        int     (*manage_power)(struct usbnet *, int);
+
         /* for status polling */
         void    (*status)(struct usbnet *, struct urb *);
 
diff --git a/include/linux/usb/wusb.h b/include/linux/usb/wusb.h
index 429c631d2aad..63ebdcc5dda6 100644
--- a/include/linux/usb/wusb.h
+++ b/include/linux/usb/wusb.h
@@ -74,7 +74,7 @@ enum {
  * WUSB defines that CHIDs, CDIDs and CKs are a 16 byte string of
  * data. In order to avoid confusion and enforce types, we wrap it.
  *
- * Make it packed, as we use it in some hw defintions.
+ * Make it packed, as we use it in some hw definitions.
  */
 struct wusb_ckhdid {
         u8 data[16];