Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6

6 files changed, 139 insertions, 64 deletions

diff --git a/include/asm-i386/mach-summit/mach_mpparse.h b/include/asm-i386/mach-summit/mach_mpparse.h
index 2b9e6d55bef11e..1cce2b924a8041 100644
--- a/include/asm-i386/mach-summit/mach_mpparse.h
+++ b/include/asm-i386/mach-summit/mach_mpparse.h
@@ -22,7 +22,6 @@ static inline void mpc_oem_pci_bus(struct mpc_config_bus *m,
 {
 }
 
-extern int usb_early_handoff;
 static inline int mps_oem_check(struct mp_config_table *mpc, char *oem, 
 		char *productid)
 {
@@ -32,7 +31,6 @@ static inline int mps_oem_check(struct mp_config_table *mpc, char *oem,
 			 || !strncmp(productid, "RUTHLESS SMP", 12))){
 		use_cyclone = 1; /*enable cyclone-timer*/
 		setup_summit();
-		usb_early_handoff = 1;
 		return 1;
 	}
 	return 0;
@@ -46,7 +44,6 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 	     || !strncmp(oem_table_id, "EXA", 3))){
 		use_cyclone = 1; /*enable cyclone-timer*/
 		setup_summit();
-		usb_early_handoff = 1;
 		return 1;
 	}
 	return 0;
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 7d300f7469e30c..467a096c3b81a7 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -96,6 +96,9 @@
 #define PCI_CLASS_SERIAL_ACCESS		0x0c01
 #define PCI_CLASS_SERIAL_SSA		0x0c02
 #define PCI_CLASS_SERIAL_USB		0x0c03
+#define PCI_CLASS_SERIAL_USB_UHCI	0x0c0300
+#define PCI_CLASS_SERIAL_USB_OHCI	0x0c0310
+#define PCI_CLASS_SERIAL_USB_EHCI	0x0c0320
 #define PCI_CLASS_SERIAL_FIBER		0x0c04
 #define PCI_CLASS_SERIAL_SMBUS		0x0c05
 
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 7897cf500c51c3..c61d5de837efaf 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -224,7 +224,6 @@ struct dev_pm_info {
 	unsigned		should_wakeup:1;
 	pm_message_t		prev_state;
 	void			* saved_state;
-	atomic_t		pm_users;
 	struct device		* pm_parent;
 	struct list_head	entry;
 #endif
@@ -244,6 +243,9 @@ extern int device_suspend(pm_message_t state);
 #define device_may_wakeup(dev) \
 	(device_can_wakeup(dev) && (dev)->power.should_wakeup)
 
+extern int dpm_runtime_suspend(struct device *, pm_message_t);
+extern void dpm_runtime_resume(struct device *);
+
 #else /* !CONFIG_PM */
 
 static inline int device_suspend(pm_message_t state)
@@ -254,6 +256,16 @@ static inline int device_suspend(pm_message_t state)
 #define device_set_wakeup_enable(dev,val)	do{}while(0)
 #define device_may_wakeup(dev)			(0)
 
+static inline int dpm_runtime_suspend(struct device * dev, pm_message_t state)
+{
+	return 0;
+}
+
+static inline void dpm_runtime_resume(struct device * dev)
+{
+
+}
+
 #endif
 
 /* changes to device_may_wakeup take effect on the next pm state change.
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 8f731e8f28215c..748d04385256dc 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -57,6 +57,7 @@ struct usb_host_endpoint {
 	struct usb_endpoint_descriptor	desc;
 	struct list_head		urb_list;
 	void				*hcpriv;
+	struct kobject			*kobj;	/* For sysfs info */
 
 	unsigned char *extra;   /* Extra descriptors */
 	int extralen;
@@ -136,7 +137,8 @@ struct usb_interface {
 					 * active alternate setting */
 	unsigned num_altsetting;	/* number of alternate settings */
 
-	int minor;			/* minor number this interface is bound to */
+	int minor;			/* minor number this interface is
+					 * bound to */
 	enum usb_interface_condition condition;		/* state of binding */
 	struct device dev;		/* interface specific device info */
 	struct class_device *class_dev;
@@ -229,7 +231,7 @@ struct usb_interface_cache {
 struct usb_host_config {
 	struct usb_config_descriptor	desc;
 
-	char *string;
+	char *string;		/* iConfiguration string, if present */
 	/* the interfaces associated with this configuration,
 	 * stored in no particular order */
 	struct usb_interface *interface[USB_MAXINTERFACES];
@@ -248,7 +250,7 @@ int __usb_get_extra_descriptor(char *buffer, unsigned size,
 	__usb_get_extra_descriptor((ifpoint)->extra,(ifpoint)->extralen,\
 		type,(void**)ptr)
 
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
 
 struct usb_operations;
 
@@ -268,7 +270,8 @@ struct usb_bus {
 	unsigned is_b_host:1;		/* true during some HNP roleswitches */
 	unsigned b_hnp_enable:1;	/* OTG: did A-Host enable HNP? */
 
-	int devnum_next;		/* Next open device number in round-robin allocation */
+	int devnum_next;		/* Next open device number in
+					 * round-robin allocation */
 
 	struct usb_devmap devmap;	/* device address allocation map */
 	struct usb_operations *op;	/* Operations (specific to the HC) */
@@ -289,15 +292,16 @@ struct usb_bus {
 	struct dentry *usbfs_dentry;	/* usbfs dentry entry for the bus */
 
 	struct class_device *class_dev;	/* class device for this bus */
-	struct kref kref;		/* handles reference counting this bus */
-	void (*release)(struct usb_bus *bus);	/* function to destroy this bus's memory */
+	struct kref kref;		/* reference counting for this bus */
+	void (*release)(struct usb_bus *bus);
+
 #if defined(CONFIG_USB_MON)
 	struct mon_bus *mon_bus;	/* non-null when associated */
 	int monitored;			/* non-zero when monitored */
 #endif
 };
 
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
 
 /* This is arbitrary.
  * From USB 2.0 spec Table 11-13, offset 7, a hub can
@@ -326,7 +330,8 @@ struct usb_device {
 
 	struct semaphore serialize;
 
-	unsigned int toggle[2];		/* one bit for each endpoint ([0] = IN, [1] = OUT) */
+	unsigned int toggle[2];		/* one bit for each endpoint
+					 * ([0] = IN, [1] = OUT) */
 
 	struct usb_device *parent;	/* our hub, unless we're the root */
 	struct usb_bus *bus;		/* Bus we're part of */
@@ -343,12 +348,14 @@ struct usb_device {
 
 	char **rawdescriptors;		/* Raw descriptors for each config */
 
-	int have_langid;		/* whether string_langid is valid yet */
+	int have_langid;		/* whether string_langid is valid */
 	int string_langid;		/* language ID for strings */
 
-	char *product;
-	char *manufacturer;
-	char *serial;			/* static strings from the device */
+	/* static strings from the device */
+	char *product;			/* iProduct string, if present */
+	char *manufacturer;		/* iManufacturer string, if present */
+	char *serial;			/* iSerialNumber string, if present */
+
 	struct list_head filelist;
 	struct class_device *class_dev;
 	struct dentry *usbfs_dentry;	/* usbfs dentry entry for the device */
@@ -440,22 +447,31 @@ extern struct usb_host_interface *usb_altnum_to_altsetting(
  * USB 2.0 root hubs (EHCI host controllers) will get one path ID if they are
  * high speed, and a different one if they are full or low speed.
  */
-static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
+static inline int usb_make_path (struct usb_device *dev, char *buf,
+		size_t size)
 {
 	int actual;
-	actual = snprintf (buf, size, "usb-%s-%s", dev->bus->bus_name, dev->devpath);
+	actual = snprintf (buf, size, "usb-%s-%s", dev->bus->bus_name,
+			dev->devpath);
 	return (actual >= (int)size) ? -1 : actual;
 }
 
 /*-------------------------------------------------------------------------*/
 
-#define USB_DEVICE_ID_MATCH_DEVICE		(USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT)
-#define USB_DEVICE_ID_MATCH_DEV_RANGE		(USB_DEVICE_ID_MATCH_DEV_LO | USB_DEVICE_ID_MATCH_DEV_HI)
-#define USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION	(USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_DEV_RANGE)
+#define USB_DEVICE_ID_MATCH_DEVICE \
+		(USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT)
+#define USB_DEVICE_ID_MATCH_DEV_RANGE \
+		(USB_DEVICE_ID_MATCH_DEV_LO | USB_DEVICE_ID_MATCH_DEV_HI)
+#define USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION \
+		(USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_DEV_RANGE)
 #define USB_DEVICE_ID_MATCH_DEV_INFO \
-	(USB_DEVICE_ID_MATCH_DEV_CLASS | USB_DEVICE_ID_MATCH_DEV_SUBCLASS | USB_DEVICE_ID_MATCH_DEV_PROTOCOL)
+		(USB_DEVICE_ID_MATCH_DEV_CLASS | \
+		USB_DEVICE_ID_MATCH_DEV_SUBCLASS | \
+		USB_DEVICE_ID_MATCH_DEV_PROTOCOL)
 #define USB_DEVICE_ID_MATCH_INT_INFO \
-	(USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS | USB_DEVICE_ID_MATCH_INT_PROTOCOL)
+		(USB_DEVICE_ID_MATCH_INT_CLASS | \
+		USB_DEVICE_ID_MATCH_INT_SUBCLASS | \
+		USB_DEVICE_ID_MATCH_INT_PROTOCOL)
 
 /**
  * USB_DEVICE - macro used to describe a specific usb device
@@ -466,9 +482,11 @@ static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
  * specific device.
  */
 #define USB_DEVICE(vend,prod) \
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = (vend), .idProduct = (prod)
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = (vend), \
+			.idProduct = (prod)
 /**
- * USB_DEVICE_VER - macro used to describe a specific usb device with a version range
+ * USB_DEVICE_VER - macro used to describe a specific usb device with a
+ *		version range
  * @vend: the 16 bit USB Vendor ID
  * @prod: the 16 bit USB Product ID
  * @lo: the bcdDevice_lo value
@@ -478,7 +496,9 @@ static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
  * specific device, with a version range.
  */
 #define USB_DEVICE_VER(vend,prod,lo,hi) \
-	.match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, .idVendor = (vend), .idProduct = (prod), .bcdDevice_lo = (lo), .bcdDevice_hi = (hi)
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, \
+	.idVendor = (vend), .idProduct = (prod), \
+	.bcdDevice_lo = (lo), .bcdDevice_hi = (hi)
 
 /**
  * USB_DEVICE_INFO - macro used to describe a class of usb devices
@@ -490,7 +510,8 @@ static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
  * specific class of devices.
  */
 #define USB_DEVICE_INFO(cl,sc,pr) \
-	.match_flags = USB_DEVICE_ID_MATCH_DEV_INFO, .bDeviceClass = (cl), .bDeviceSubClass = (sc), .bDeviceProtocol = (pr)
+	.match_flags = USB_DEVICE_ID_MATCH_DEV_INFO, .bDeviceClass = (cl), \
+	.bDeviceSubClass = (sc), .bDeviceProtocol = (pr)
 
 /**
  * USB_INTERFACE_INFO - macro used to describe a class of usb interfaces 
@@ -502,9 +523,10 @@ static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
  * specific class of interfaces.
  */
 #define USB_INTERFACE_INFO(cl,sc,pr) \
-	.match_flags = USB_DEVICE_ID_MATCH_INT_INFO, .bInterfaceClass = (cl), .bInterfaceSubClass = (sc), .bInterfaceProtocol = (pr)
+	.match_flags = USB_DEVICE_ID_MATCH_INT_INFO, .bInterfaceClass = (cl), \
+	.bInterfaceSubClass = (sc), .bInterfaceProtocol = (pr)
 
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
 
 /**
  * struct usb_driver - identifies USB driver to usbcore
@@ -557,7 +579,8 @@ struct usb_driver {
 
 	void (*disconnect) (struct usb_interface *intf);
 
-	int (*ioctl) (struct usb_interface *intf, unsigned int code, void *buf);
+	int (*ioctl) (struct usb_interface *intf, unsigned int code,
+			void *buf);
 
 	int (*suspend) (struct usb_interface *intf, pm_message_t message);
 	int (*resume) (struct usb_interface *intf);
@@ -572,10 +595,8 @@ extern struct bus_type usb_bus_type;
 
 /**
  * struct usb_class_driver - identifies a USB driver that wants to use the USB major number
- * @name: devfs name for this driver.  Will also be used by the driver
- *	class code to create a usb class device.
+ * @name: the usb class device name for this driver.  Will show up in sysfs.
  * @fops: pointer to the struct file_operations of this driver.
- * @mode: the mode for the devfs file to be created for this driver.
  * @minor_base: the start of the minor range for this driver.
  *
  * This structure is used for the usb_register_dev() and
@@ -585,8 +606,7 @@ extern struct bus_type usb_bus_type;
 struct usb_class_driver {
 	char *name;
 	struct file_operations *fops;
-	mode_t mode;
-	int minor_base;	
+	int minor_base;
 };
 
 /*
@@ -603,7 +623,7 @@ extern void usb_deregister_dev(struct usb_interface *intf,
 
 extern int usb_disabled(void);
 
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
 
 /*
  * URB support, for asynchronous request completions
@@ -613,12 +633,14 @@ extern int usb_disabled(void);
  * urb->transfer_flags:
  */
 #define URB_SHORT_NOT_OK	0x0001	/* report short reads as errors */
-#define URB_ISO_ASAP		0x0002	/* iso-only, urb->start_frame ignored */
+#define URB_ISO_ASAP		0x0002	/* iso-only, urb->start_frame
+					 * ignored */
 #define URB_NO_TRANSFER_DMA_MAP	0x0004	/* urb->transfer_dma valid on submit */
 #define URB_NO_SETUP_DMA_MAP	0x0008	/* urb->setup_dma valid on submit */
 #define URB_NO_FSBR		0x0020	/* UHCI-specific */
-#define URB_ZERO_PACKET		0x0040	/* Finish bulk OUTs with short packet */
-#define URB_NO_INTERRUPT	0x0080	/* HINT: no non-error interrupt needed */
+#define URB_ZERO_PACKET		0x0040	/* Finish bulk OUT with short packet */
+#define URB_NO_INTERRUPT	0x0080	/* HINT: no non-error interrupt
+					 * needed */
 
 struct usb_iso_packet_descriptor {
 	unsigned int offset;
@@ -806,7 +828,8 @@ struct urb
 	u8 reject;			/* submissions will fail */
 
 	/* public, documented fields in the urb that can be used by drivers */
-	struct list_head urb_list;	/* list head for use by the urb owner */
+	struct list_head urb_list;	/* list head for use by the urb's
+					 * current owner */
 	struct usb_device *dev; 	/* (in) pointer to associated device */
 	unsigned int pipe;		/* (in) pipe information */
 	int status;			/* (return) non-ISO status */
@@ -819,14 +842,16 @@ struct urb
 	dma_addr_t setup_dma;		/* (in) dma addr for setup_packet */
 	int start_frame;		/* (modify) start frame (ISO) */
 	int number_of_packets;		/* (in) number of ISO packets */
-	int interval;			/* (modify) transfer interval (INT/ISO) */
+	int interval;			/* (modify) transfer interval
+					 * (INT/ISO) */
 	int error_count;		/* (return) number of ISO errors */
 	void *context;			/* (in) context for completion */
 	usb_complete_t complete;	/* (in) completion routine */
-	struct usb_iso_packet_descriptor iso_frame_desc[0];	/* (in) ISO ONLY */
+	struct usb_iso_packet_descriptor iso_frame_desc[0];
+					/* (in) ISO ONLY */
 };
 
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
 
 /**
  * usb_fill_control_urb - initializes a control urb
@@ -974,11 +999,6 @@ extern int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe,
 	void *data, int len, int *actual_length,
 	int timeout);
 
-/* selective suspend/resume */
-extern int usb_suspend_device(struct usb_device *dev, pm_message_t message);
-extern int usb_resume_device(struct usb_device *dev);
-
-
 /* wrappers around usb_control_msg() for the most common standard requests */
 extern int usb_get_descriptor(struct usb_device *dev, unsigned char desctype,
 	unsigned char descindex, void *buf, int size);
@@ -1056,7 +1076,7 @@ void usb_sg_cancel (struct usb_sg_request *io);
 void usb_sg_wait (struct usb_sg_request *io);
 
 
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
 
 /*
  * For various legacy reasons, Linux has a small cookie that's paired with
@@ -1097,23 +1117,34 @@ void usb_sg_wait (struct usb_sg_request *io);
 /* The D0/D1 toggle bits ... USE WITH CAUTION (they're almost hcd-internal) */
 #define usb_gettoggle(dev, ep, out) (((dev)->toggle[out] >> (ep)) & 1)
 #define	usb_dotoggle(dev, ep, out)  ((dev)->toggle[out] ^= (1 << (ep)))
-#define usb_settoggle(dev, ep, out, bit) ((dev)->toggle[out] = ((dev)->toggle[out] & ~(1 << (ep))) | ((bit) << (ep)))
+#define usb_settoggle(dev, ep, out, bit) \
+		((dev)->toggle[out] = ((dev)->toggle[out] & ~(1 << (ep))) | \
+		 ((bit) << (ep)))
 
 
-static inline unsigned int __create_pipe(struct usb_device *dev, unsigned int endpoint)
+static inline unsigned int __create_pipe(struct usb_device *dev,
+		unsigned int endpoint)
 {
 	return (dev->devnum << 8) | (endpoint << 15);
 }
 
 /* Create various pipes... */
-#define usb_sndctrlpipe(dev,endpoint)	((PIPE_CONTROL << 30) | __create_pipe(dev,endpoint))
-#define usb_rcvctrlpipe(dev,endpoint)	((PIPE_CONTROL << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
-#define usb_sndisocpipe(dev,endpoint)	((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev,endpoint))
-#define usb_rcvisocpipe(dev,endpoint)	((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
-#define usb_sndbulkpipe(dev,endpoint)	((PIPE_BULK << 30) | __create_pipe(dev,endpoint))
-#define usb_rcvbulkpipe(dev,endpoint)	((PIPE_BULK << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
-#define usb_sndintpipe(dev,endpoint)	((PIPE_INTERRUPT << 30) | __create_pipe(dev,endpoint))
-#define usb_rcvintpipe(dev,endpoint)	((PIPE_INTERRUPT << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
+#define usb_sndctrlpipe(dev,endpoint)	\
+	((PIPE_CONTROL << 30) | __create_pipe(dev,endpoint))
+#define usb_rcvctrlpipe(dev,endpoint)	\
+	((PIPE_CONTROL << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
+#define usb_sndisocpipe(dev,endpoint)	\
+	((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev,endpoint))
+#define usb_rcvisocpipe(dev,endpoint)	\
+	((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
+#define usb_sndbulkpipe(dev,endpoint)	\
+	((PIPE_BULK << 30) | __create_pipe(dev,endpoint))
+#define usb_rcvbulkpipe(dev,endpoint)	\
+	((PIPE_BULK << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
+#define usb_sndintpipe(dev,endpoint)	\
+	((PIPE_INTERRUPT << 30) | __create_pipe(dev,endpoint))
+#define usb_rcvintpipe(dev,endpoint)	\
+	((PIPE_INTERRUPT << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
 
 /*-------------------------------------------------------------------------*/
 
@@ -1137,17 +1168,29 @@ usb_maxpacket(struct usb_device *udev, int pipe, int is_out)
 	return le16_to_cpu(ep->desc.wMaxPacketSize);
 }
 
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
+
+/* Events from the usb core */
+#define USB_DEVICE_ADD		0x0001
+#define USB_DEVICE_REMOVE	0x0002
+#define USB_BUS_ADD		0x0003
+#define USB_BUS_REMOVE		0x0004
+extern void usb_register_notify(struct notifier_block *nb);
+extern void usb_unregister_notify(struct notifier_block *nb);
 
 #ifdef DEBUG
-#define dbg(format, arg...) printk(KERN_DEBUG "%s: " format "\n" , __FILE__ , ## arg)
+#define dbg(format, arg...) printk(KERN_DEBUG "%s: " format "\n" , \
+	__FILE__ , ## arg)
 #else
 #define dbg(format, arg...) do {} while (0)
 #endif
 
-#define err(format, arg...) printk(KERN_ERR "%s: " format "\n" , __FILE__ , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format "\n" , __FILE__ , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n" , __FILE__ , ## arg)
+#define err(format, arg...) printk(KERN_ERR "%s: " format "\n" , \
+	__FILE__ , ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format "\n" , \
+	__FILE__ , ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n" , \
+	__FILE__ , ## arg)
 
 
 #endif  /* __KERNEL__ */
diff --git a/include/linux/usb_otg.h b/include/linux/usb_otg.h
index c6683146e9b0fb..f827f6e203c219 100644
--- a/include/linux/usb_otg.h
+++ b/include/linux/usb_otg.h
@@ -63,6 +63,10 @@ struct otg_transceiver {
 	int	(*set_power)(struct otg_transceiver *otg,
 				unsigned mA);
 
+	/* for non-OTG B devices: set transceiver into suspend mode */
+	int	(*set_suspend)(struct otg_transceiver *otg,
+				int suspend);
+
 	/* for B devices only:  start session with A-Host */
 	int	(*start_srp)(struct otg_transceiver *otg);
 
@@ -108,6 +112,15 @@ otg_set_power(struct otg_transceiver *otg, unsigned mA)
 }
 
 static inline int
+otg_set_suspend(struct otg_transceiver *otg, int suspend)
+{
+	if (otg->set_suspend != NULL)
+		return otg->set_suspend(otg, suspend);
+	else
+		return 0;
+}
+
+static inline int
 otg_start_srp(struct otg_transceiver *otg)
 {
 	return otg->start_srp(otg);
diff --git a/include/linux/usbdevice_fs.h b/include/linux/usbdevice_fs.h
index 9facf733800ccb..8859f0b4154301 100644
--- a/include/linux/usbdevice_fs.h
+++ b/include/linux/usbdevice_fs.h
@@ -140,6 +140,12 @@ struct usbdevfs_urb32 {
 	compat_caddr_t usercontext; /* unused */
 	struct usbdevfs_iso_packet_desc iso_frame_desc[0];
 };
+
+struct usbdevfs_ioctl32 {
+	s32 ifno;
+	s32 ioctl_code;
+	compat_caddr_t data;
+};
 #endif
 
 #define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
@@ -160,6 +166,7 @@ struct usbdevfs_urb32 {
 #define USBDEVFS_RELEASEINTERFACE  _IOR('U', 16, unsigned int)
 #define USBDEVFS_CONNECTINFO       _IOW('U', 17, struct usbdevfs_connectinfo)
 #define USBDEVFS_IOCTL             _IOWR('U', 18, struct usbdevfs_ioctl)
+#define USBDEVFS_IOCTL32           _IOWR('U', 18, struct usbdevfs_ioctl32)
 #define USBDEVFS_HUB_PORTINFO      _IOR('U', 19, struct usbdevfs_hub_portinfo)
 #define USBDEVFS_RESET             _IO('U', 20)
 #define USBDEVFS_CLEAR_HALT        _IOR('U', 21, unsigned int)