Merge remote-tracking branch 'usb/usb-next'

Conflicts:
	drivers/usb/gadget/Kconfig

8 files changed, 30 insertions, 9 deletions

diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
index 7086e1e04fe9..9f102dcd874f 100644
--- a/include/linux/i2c/twl.h
+++ b/include/linux/i2c/twl.h
@@ -600,6 +600,8 @@ struct twl4030_usb_data {
 	int		(*phy_power)(struct device *dev, int iD, int on);
 	/* enable/disable  phy clocks */
 	int		(*phy_set_clock)(struct device *dev, int on);
+	/* suspend/resume of phy */
+	int		(*phy_suspend)(struct device *dev, int suspend);
 };
 
 struct twl4030_ins {
diff --git a/include/linux/usb.h b/include/linux/usb.h
index bd69b65f3356..e63efeb378e3 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -976,6 +976,7 @@ extern int usb_disabled(void);
 #define URB_SETUP_MAP_SINGLE	0x00100000	/* Setup packet DMA mapped */
 #define URB_SETUP_MAP_LOCAL	0x00200000	/* HCD-local setup packet */
 #define URB_DMA_SG_COMBINED	0x00400000	/* S-G entries were combined */
+#define URB_ALIGNED_TEMP_BUFFER	0x00800000	/* Temp buffer was alloc'd */
 
 struct usb_iso_packet_descriptor {
 	unsigned int offset;
diff --git a/include/linux/usb/Kbuild b/include/linux/usb/Kbuild
index 51410e0200cf..ed91fb62674b 100644
--- a/include/linux/usb/Kbuild
+++ b/include/linux/usb/Kbuild
@@ -2,6 +2,7 @@ header-y += audio.h
 header-y += cdc.h
 header-y += ch9.h
 header-y += ch11.h
+header-y += functionfs.h
 header-y += gadgetfs.h
 header-y += midi.h
 header-y += g_printer.h
diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h
index 10ec0699bea4..38c42b013641 100644
--- a/include/linux/usb/ch11.h
+++ b/include/linux/usb/ch11.h
@@ -132,8 +132,8 @@ struct usb_port_status {
 
 /*
  * wPortChange bit field
- * See USB 2.0 spec Table 11-22
- * Bits 0 to 4 shown, bits 5 to 15 are reserved
+ * See USB 2.0 spec Table 11-22 and USB 2.0 LPM ECN Table-4.10
+ * Bits 0 to 5 shown, bits 6 to 15 are reserved
  */
 #define USB_PORT_STAT_C_CONNECTION	0x0001
 #define USB_PORT_STAT_C_ENABLE		0x0002
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index ab461948b579..34316ba05f29 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -584,7 +584,7 @@ struct usb_ss_ep_comp_descriptor {
 
 #define USB_DT_SS_EP_COMP_SIZE		6
 /* Bits 4:0 of bmAttributes if this is a bulk endpoint */
-#define USB_SS_MAX_STREAMS(p)		(1 << (p & 0x1f))
+#define USB_SS_MAX_STREAMS(p)		(1 << ((p) & 0x1f))
 
 /*-------------------------------------------------------------------------*/
 
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index a854fe89484e..9cfba4f2457b 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -234,6 +234,19 @@ struct hc_driver {
 	int	(*urb_dequeue)(struct usb_hcd *hcd,
 				struct urb *urb, int status);
 
+	/*
+	 * (optional) these hooks allow an HCD to override the default DMA
+	 * mapping and unmapping routines.  In general, they shouldn't be
+	 * necessary unless the host controller has special DMA requirements,
+	 * such as alignment contraints.  If these are not specified, the
+	 * general usb_hcd_(un)?map_urb_for_dma functions will be used instead
+	 * (and it may be a good idea to call these functions in your HCD
+	 * implementation)
+	 */
+	int	(*map_urb_for_dma)(struct usb_hcd *hcd, struct urb *urb,
+				   gfp_t mem_flags);
+	void    (*unmap_urb_for_dma)(struct usb_hcd *hcd, struct urb *urb);
+
 	/* hw synch, freeing endpoint resources that urb_dequeue can't */
 	void	(*endpoint_disable)(struct usb_hcd *hcd,
 			struct usb_host_endpoint *ep);
@@ -330,8 +343,10 @@ extern int usb_hcd_submit_urb(struct urb *urb, gfp_t mem_flags);
 extern int usb_hcd_unlink_urb(struct urb *urb, int status);
 extern void usb_hcd_giveback_urb(struct usb_hcd *hcd, struct urb *urb,
 		int status);
-extern void unmap_urb_setup_for_dma(struct usb_hcd *, struct urb *);
-extern void unmap_urb_for_dma(struct usb_hcd *, struct urb *);
+extern int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb,
+		gfp_t mem_flags);
+extern void usb_hcd_unmap_urb_setup_for_dma(struct usb_hcd *, struct urb *);
+extern void usb_hcd_unmap_urb_for_dma(struct usb_hcd *, struct urb *);
 extern void usb_hcd_flush_endpoint(struct usb_device *udev,
 		struct usb_host_endpoint *ep);
 extern void usb_hcd_disable_endpoint(struct usb_device *udev,
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index a1a1e7a73ec9..6e40718f5abe 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -66,6 +66,7 @@ struct otg_transceiver {
 
 	u8			default_a;
 	enum usb_otg_state	state;
+	enum usb_xceiv_events	last_event;
 
 	struct usb_bus		*host;
 	struct usb_gadget	*gadget;
@@ -74,7 +75,7 @@ struct otg_transceiver {
 	void __iomem			*io_priv;
 
 	/* for notification of usb_xceiv_events */
-	struct blocking_notifier_head	notifier;
+	struct atomic_notifier_head	notifier;
 
 	/* to pass extra port status to the root hub */
 	u16			port_status;
@@ -234,13 +235,13 @@ otg_start_srp(struct otg_transceiver *otg)
 static inline int
 otg_register_notifier(struct otg_transceiver *otg, struct notifier_block *nb)
 {
-	return blocking_notifier_chain_register(&otg->notifier, nb);
+	return atomic_notifier_chain_register(&otg->notifier, nb);
 }
 
 static inline void
 otg_unregister_notifier(struct otg_transceiver *otg, struct notifier_block *nb)
 {
-	blocking_notifier_chain_unregister(&otg->notifier, nb);
+	atomic_notifier_chain_unregister(&otg->notifier, nb);
 }
 
 /* for OTG controller drivers (and maybe other stuff) */
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 00e98ee5fba0..b29f70b2ecae 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -191,7 +191,8 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data)
  * @id_table: pointer to a list of usb_device_id structures that define all
  *	of the devices this structure can support.
  * @num_ports: the number of different ports this device will have.
- * @bulk_in_size: bytes to allocate for bulk-in buffer (0 = end-point size)
+ * @bulk_in_size: minimum number of bytes to allocate for bulk-in buffer
+ *	(0 = end-point size)
  * @bulk_out_size: bytes to allocate for bulk-out buffer (0 = end-point size)
  * @calc_num_ports: pointer to a function to determine how many ports this
  *	device has dynamically.  It will be called after the probe()