Merge tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg KH:
 "Here's the big USB pull request for 3.15-rc1.

  The normal set of patches, lots of controller driver updates, and a
  smattering of individual USB driver updates as well.

  All have been in linux-next for a while"

* tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (249 commits)
  xhci: Transition maintainership to Mathias Nyman.
  USB: disable reset-resume when USB_QUIRK_RESET is set
  USB: unbind all interfaces before rebinding any
  usb: phy: Add ulpi IDs for SMSC USB3320 and TI TUSB1210
  usb: gadget: tcm_usb_gadget: stop format strings
  usb: gadget: f_fs: add missing spinlock and mutex unlock
  usb: gadget: composite: switch over to ERR_CAST()
  usb: gadget: inode: switch over to memdup_user()
  usb: gadget: f_subset: switch over to PTR_RET
  usb: gadget: lpc32xx_udc: fix wrong clk_put() sequence
  USB: keyspan: remove dead debugging code
  USB: serial: add missing newlines to dev_<level> messages.
  USB: serial: add missing braces
  USB: serial: continue to write on errors
  USB: serial: continue to read on errors
  USB: serial: make bulk_out_size a lower limit
  USB: cypress_m8: fix potential scheduling while atomic
  devicetree: bindings: document lsi,zevio-usb
  usb: chipidea: add support for USB OTG controller on LSI Zevio SoCs
  usb: chipidea: imx: Use dev_name() for ci_hdrc name to distinguish USBs
  ...

12 files changed, 121 insertions, 45 deletions

diff --git a/include/linux/usb/omap_control_usb.h b/include/linux/phy/omap_control_phy.h
index 69ae383ee3cc..5450403c7546 100644
--- a/include/linux/usb/omap_control_usb.h
+++ b/include/linux/phy/omap_control_phy.h
@@ -1,5 +1,5 @@
 /*
- * omap_control_usb.h - Header file for the USB part of control module.
+ * omap_control_phy.h - Header file for the PHY part of control module.
  *
  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
  * This program is free software; you can redistribute it and/or modify
@@ -16,10 +16,10 @@
  *
  */
 
-#ifndef __OMAP_CONTROL_USB_H__
-#define __OMAP_CONTROL_USB_H__
+#ifndef __OMAP_CONTROL_PHY_H__
+#define __OMAP_CONTROL_PHY_H__
 
-enum omap_control_usb_type {
+enum omap_control_phy_type {
 	OMAP_CTRL_TYPE_OTGHS = 1,	/* Mailbox OTGHS_CONTROL */
 	OMAP_CTRL_TYPE_USB2,	/* USB2_PHY, power down in CONTROL_DEV_CONF */
 	OMAP_CTRL_TYPE_PIPE3,	/* PIPE3 PHY, DPLL & seperate Rx/Tx power */
@@ -27,7 +27,7 @@ enum omap_control_usb_type {
 	OMAP_CTRL_TYPE_AM437USB2, /* USB2 PHY, power e.g. AM437x */
 };
 
-struct omap_control_usb {
+struct omap_control_phy {
 	struct device *dev;
 
 	u32 __iomem *otghs_control;
@@ -36,7 +36,7 @@ struct omap_control_usb {
 
 	struct clk *sys_clk;
 
-	enum omap_control_usb_type type;
+	enum omap_control_phy_type type;
 };
 
 enum omap_control_usb_mode {
@@ -54,14 +54,14 @@ enum omap_control_usb_mode {
 #define	OMAP_CTRL_DEV_SESSEND		BIT(3)
 #define	OMAP_CTRL_DEV_IDDIG		BIT(4)
 
-#define	OMAP_CTRL_USB_PWRCTL_CLK_CMD_MASK	0x003FC000
-#define	OMAP_CTRL_USB_PWRCTL_CLK_CMD_SHIFT	0xE
+#define	OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_MASK		0x003FC000
+#define	OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_CMD_SHIFT	0xE
 
-#define	OMAP_CTRL_USB_PWRCTL_CLK_FREQ_MASK	0xFFC00000
-#define	OMAP_CTRL_USB_PWRCTL_CLK_FREQ_SHIFT	0x16
+#define	OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_MASK	0xFFC00000
+#define	OMAP_CTRL_PIPE3_PHY_PWRCTL_CLK_FREQ_SHIFT	0x16
 
-#define	OMAP_CTRL_USB3_PHY_TX_RX_POWERON	0x3
-#define	OMAP_CTRL_USB3_PHY_TX_RX_POWEROFF	0x0
+#define	OMAP_CTRL_PIPE3_PHY_TX_RX_POWERON	0x3
+#define	OMAP_CTRL_PIPE3_PHY_TX_RX_POWEROFF	0x0
 
 #define OMAP_CTRL_USB2_PHY_PD		BIT(28)
 
@@ -70,13 +70,13 @@ enum omap_control_usb_mode {
 #define AM437X_CTRL_USB2_OTGVDET_EN	BIT(19)
 #define AM437X_CTRL_USB2_OTGSESSEND_EN	BIT(20)
 
-#if IS_ENABLED(CONFIG_OMAP_CONTROL_USB)
-extern void omap_control_usb_phy_power(struct device *dev, int on);
-extern void omap_control_usb_set_mode(struct device *dev,
-	enum omap_control_usb_mode mode);
+#if IS_ENABLED(CONFIG_OMAP_CONTROL_PHY)
+void omap_control_phy_power(struct device *dev, int on);
+void omap_control_usb_set_mode(struct device *dev,
+			       enum omap_control_usb_mode mode);
 #else
 
-static inline void omap_control_usb_phy_power(struct device *dev, int on)
+static inline void omap_control_phy_power(struct device *dev, int on)
 {
 }
 
@@ -86,4 +86,4 @@ static inline void omap_control_usb_set_mode(struct device *dev,
 }
 #endif
 
-#endif	/* __OMAP_CONTROL_USB_H__ */
+#endif	/* __OMAP_CONTROL_PHY_H__ */
diff --git a/include/linux/usb/omap_usb.h b/include/linux/phy/omap_usb.h
index 6ae29360e1d2..dc2c541a619b 100644
--- a/include/linux/usb/omap_usb.h
+++ b/include/linux/phy/omap_usb.h
@@ -34,14 +34,24 @@ struct omap_usb {
 	struct usb_phy		phy;
 	struct phy_companion	*comparator;
 	void __iomem		*pll_ctrl_base;
+	void __iomem		*phy_base;
 	struct device		*dev;
 	struct device		*control_dev;
 	struct clk		*wkupclk;
-	struct clk		*sys_clk;
 	struct clk		*optclk;
-	u8			is_suspended:1;
+	u8			flags;
 };
 
+struct usb_phy_data {
+	const char *label;
+	u8 flags;
+};
+
+/* Driver Flags */
+#define OMAP_USB2_HAS_START_SRP (1 << 0)
+#define OMAP_USB2_HAS_SET_VBUS (1 << 1)
+#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT (1 << 2)
+
 #define	phy_to_omapusb(x)	container_of((x), struct omap_usb, phy)
 
 #if defined(CONFIG_OMAP_USB2) || defined(CONFIG_OMAP_USB2_MODULE)
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 3f83459dbb20..e2f5ca96cddc 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -149,8 +149,11 @@ struct phy *phy_get(struct device *dev, const char *string);
 struct phy *phy_optional_get(struct device *dev, const char *string);
 struct phy *devm_phy_get(struct device *dev, const char *string);
 struct phy *devm_phy_optional_get(struct device *dev, const char *string);
+struct phy *devm_of_phy_get(struct device *dev, struct device_node *np,
+			    const char *con_id);
 void phy_put(struct phy *phy);
 void devm_phy_put(struct device *dev, struct phy *phy);
+struct phy *of_phy_get(struct device_node *np, const char *con_id);
 struct phy *of_phy_simple_xlate(struct device *dev,
 	struct of_phandle_args *args);
 struct phy *phy_create(struct device *dev, const struct phy_ops *ops,
@@ -251,6 +254,13 @@ static inline struct phy *devm_phy_optional_get(struct device *dev,
 	return ERR_PTR(-ENOSYS);
 }
 
+static inline struct phy *devm_of_phy_get(struct device *dev,
+					  struct device_node *np,
+					  const char *con_id)
+{
+	return ERR_PTR(-ENOSYS);
+}
+
 static inline void phy_put(struct phy *phy)
 {
 }
@@ -259,6 +269,11 @@ static inline void devm_phy_put(struct device *dev, struct phy *phy)
 {
 }
 
+static inline struct phy *of_phy_get(struct device_node *np, const char *con_id)
+{
+	return ERR_PTR(-ENOSYS);
+}
+
 static inline struct phy *of_phy_simple_xlate(struct device *dev,
 	struct of_phandle_args *args)
 {
diff --git a/include/linux/usb.h b/include/linux/usb.h
index b55600a1edc3..6b7ec376fb4d 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -57,6 +57,7 @@ struct ep_device;
  * @extra: descriptors following this endpoint in the configuration
  * @extralen: how many bytes of "extra" are valid
  * @enabled: URBs may be submitted to this endpoint
+ * @streams: number of USB-3 streams allocated on the endpoint
  *
  * USB requests are always queued to a given endpoint, identified by a
  * descriptor within an active interface in a given USB configuration.
@@ -71,6 +72,7 @@ struct usb_host_endpoint {
 	unsigned char *extra;   /* Extra descriptors */
 	int extralen;
 	int enabled;
+	int streams;
 };
 
 /* host-side wrapper for one interface setting's parsed descriptors */
@@ -202,6 +204,8 @@ static inline void usb_set_intfdata(struct usb_interface *intf, void *data)
 struct usb_interface *usb_get_intf(struct usb_interface *intf);
 void usb_put_intf(struct usb_interface *intf);
 
+/* Hard limit */
+#define USB_MAXENDPOINTS	30
 /* this maximum is arbitrary */
 #define USB_MAXINTERFACES	32
 #define USB_MAXIADS		(USB_MAXINTERFACES/2)
diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
index 708bd119627f..bbe779f640be 100644
--- a/include/linux/usb/chipidea.h
+++ b/include/linux/usb/chipidea.h
@@ -25,6 +25,7 @@ struct ci_hdrc_platform_data {
 	 */
 #define CI_HDRC_DUAL_ROLE_NOT_OTG	BIT(4)
 #define CI_HDRC_IMX28_WRITE_FIX		BIT(5)
+#define CI_HDRC_FORCE_FULLSPEED		BIT(6)
 	enum usb_dr_mode	dr_mode;
 #define CI_HDRC_CONTROLLER_RESET_EVENT		0
 #define CI_HDRC_CONTROLLER_STOPPED_EVENT	1
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index efe8d8a7c7ad..485cd5e2100c 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -143,6 +143,7 @@ struct usb_hcd {
 	unsigned		authorized_default:1;
 	unsigned		has_tt:1;	/* Integrated TT in root hub */
 	unsigned		amd_resume_bug:1; /* AMD remote wakeup quirk */
+	unsigned		can_do_streams:1; /* HC supports streams */
 
 	unsigned int		irq;		/* irq allocated */
 	void __iomem		*regs;		/* device memory/io */
diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h
index 6c0b1c513db7..353053a33f21 100644
--- a/include/linux/usb/phy.h
+++ b/include/linux/usb/phy.h
@@ -111,6 +111,13 @@ struct usb_phy {
 	int	(*set_suspend)(struct usb_phy *x,
 				int suspend);
 
+	/*
+	 * Set wakeup enable for PHY, in that case, the PHY can be
+	 * woken up from suspend status due to external events,
+	 * like vbus change, dp/dm change and id.
+	 */
+	int	(*set_wakeup)(struct usb_phy *x, bool enabled);
+
 	/* notify phy connect status change */
 	int	(*notify_connect)(struct usb_phy *x,
 			enum usb_device_speed speed);
@@ -265,6 +272,15 @@ usb_phy_set_suspend(struct usb_phy *x, int suspend)
 }
 
 static inline int
+usb_phy_set_wakeup(struct usb_phy *x, bool enabled)
+{
+	if (x && x->set_wakeup)
+		return x->set_wakeup(x, enabled);
+	else
+		return 0;
+}
+
+static inline int
 usb_phy_notify_connect(struct usb_phy *x, enum usb_device_speed speed)
 {
 	if (x && x->notify_connect)
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 704a1ab8240c..9bb547c7bce7 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -190,7 +190,8 @@ static inline void usb_set_serial_data(struct usb_serial *serial, void *data)
  * @num_ports: the number of different ports this device will have.
  * @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)
+ * @bulk_out_size: minimum number of 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()
  *	callback is called, but before attach()
diff --git a/include/linux/usb/uas.h b/include/linux/usb/uas.h
index 5499ab5c94bd..3fc8e8b9f043 100644
--- a/include/linux/usb/uas.h
+++ b/include/linux/usb/uas.h
@@ -9,7 +9,7 @@ struct iu {
 	__u8 iu_id;
 	__u8 rsvd1;
 	__be16 tag;
-};
+} __attribute__((__packed__));
 
 enum {
 	IU_ID_COMMAND		= 0x01,
@@ -52,7 +52,7 @@ struct command_iu {
 	__u8 rsvd7;
 	struct scsi_lun lun;
 	__u8 cdb[16];	/* XXX: Overflow-checking tools may misunderstand */
-};
+} __attribute__((__packed__));
 
 struct task_mgmt_iu {
 	__u8 iu_id;
@@ -62,7 +62,7 @@ struct task_mgmt_iu {
 	__u8 rsvd2;
 	__be16 task_tag;
 	struct scsi_lun lun;
-};
+} __attribute__((__packed__));
 
 /*
  * Also used for the Read Ready and Write Ready IUs since they have the
@@ -77,15 +77,15 @@ struct sense_iu {
 	__u8 rsvd7[7];
 	__be16 len;
 	__u8 sense[SCSI_SENSE_BUFFERSIZE];
-};
+} __attribute__((__packed__));
 
-struct response_ui {
+struct response_iu {
 	__u8 iu_id;
 	__u8 rsvd1;
 	__be16 tag;
-	__be16 add_response_info;
+	__u8 add_response_info[3];
 	__u8 response_code;
-};
+} __attribute__((__packed__));
 
 struct usb_pipe_usage_descriptor {
 	__u8  bLength;
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index 630356866030..1a64b26046ed 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -67,8 +67,10 @@
 		/* Initial READ(10) (and others) must be retried */	\
 	US_FLAG(WRITE_CACHE,	0x00200000)			\
 		/* Write Cache status is not available */	\
-	US_FLAG(NEEDS_CAP16,	0x00400000)
-		/* cannot handle READ_CAPACITY_10 */
+	US_FLAG(NEEDS_CAP16,	0x00400000)			\
+		/* cannot handle READ_CAPACITY_10 */		\
+	US_FLAG(IGNORE_UAS,	0x00800000)			\
+		/* Device advertises UAS but it is broken */
 
 #define US_FLAG(name, value)	US_FL_##name = value ,
 enum { US_DO_ALL_FLAGS };
diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h
index d6b01283f85c..2a4b4a72a4f9 100644
--- a/include/uapi/linux/usb/functionfs.h
+++ b/include/uapi/linux/usb/functionfs.h
@@ -10,9 +10,15 @@
 
 enum {
 	FUNCTIONFS_DESCRIPTORS_MAGIC = 1,
-	FUNCTIONFS_STRINGS_MAGIC     = 2
+	FUNCTIONFS_STRINGS_MAGIC = 2,
+	FUNCTIONFS_DESCRIPTORS_MAGIC_V2 = 3,
 };
 
+enum functionfs_flags {
+	FUNCTIONFS_HAS_FS_DESC = 1,
+	FUNCTIONFS_HAS_HS_DESC = 2,
+	FUNCTIONFS_HAS_SS_DESC = 4,
+};
 
 #ifndef __KERNEL__
 
@@ -29,29 +35,39 @@ struct usb_endpoint_descriptor_no_audio {
 
 
 /*
- * All numbers must be in little endian order.
- */
-
-struct usb_functionfs_descs_head {
-	__le32 magic;
-	__le32 length;
-	__le32 fs_count;
-	__le32 hs_count;
-} __attribute__((packed));
-
-/*
  * Descriptors format:
  *
  * | off | name      | type         | description                          |
  * |-----+-----------+--------------+--------------------------------------|
- * |   0 | magic     | LE32         | FUNCTIONFS_{FS,HS}_DESCRIPTORS_MAGIC |
+ * |   0 | magic     | LE32         | FUNCTIONFS_DESCRIPTORS_MAGIC_V2      |
+ * |   4 | length    | LE32         | length of the whole data chunk       |
+ * |   8 | flags     | LE32         | combination of functionfs_flags      |
+ * |     | fs_count  | LE32         | number of full-speed descriptors     |
+ * |     | hs_count  | LE32         | number of high-speed descriptors     |
+ * |     | ss_count  | LE32         | number of super-speed descriptors    |
+ * |     | fs_descrs | Descriptor[] | list of full-speed descriptors       |
+ * |     | hs_descrs | Descriptor[] | list of high-speed descriptors       |
+ * |     | ss_descrs | Descriptor[] | list of super-speed descriptors      |
+ *
+ * Depending on which flags are set, various fields may be missing in the
+ * structure.  Any flags that are not recognised cause the whole block to be
+ * rejected with -ENOSYS.
+ *
+ * Legacy descriptors format:
+ *
+ * | off | name      | type         | description                          |
+ * |-----+-----------+--------------+--------------------------------------|
+ * |   0 | magic     | LE32         | FUNCTIONFS_DESCRIPTORS_MAGIC         |
  * |   4 | length    | LE32         | length of the whole data chunk       |
  * |   8 | fs_count  | LE32         | number of full-speed descriptors     |
  * |  12 | hs_count  | LE32         | number of high-speed descriptors     |
  * |  16 | fs_descrs | Descriptor[] | list of full-speed descriptors       |
  * |     | hs_descrs | Descriptor[] | list of high-speed descriptors       |
  *
- * descs are just valid USB descriptors and have the following format:
+ * All numbers must be in little endian order.
+ *
+ * Descriptor[] is an array of valid USB descriptors which have the following
+ * format:
  *
  * | off | name            | type | description              |
  * |-----+-----------------+------+--------------------------|
diff --git a/include/uapi/linux/usbdevice_fs.h b/include/uapi/linux/usbdevice_fs.h
index 0c65e4b12617..abe5f4bd4d82 100644
--- a/include/uapi/linux/usbdevice_fs.h
+++ b/include/uapi/linux/usbdevice_fs.h
@@ -102,7 +102,10 @@ struct usbdevfs_urb {
 	int buffer_length;
 	int actual_length;
 	int start_frame;
-	int number_of_packets;
+	union {
+		int number_of_packets;	/* Only used for isoc urbs */
+		unsigned int stream_id;	/* Only used with bulk streams */
+	};
 	int error_count;
 	unsigned int signr;	/* signal to be sent on completion,
 				  or 0 if none should be sent. */
@@ -144,6 +147,11 @@ struct usbdevfs_disconnect_claim {
 	char driver[USBDEVFS_MAXDRIVERNAME + 1];
 };
 
+struct usbdevfs_streams {
+	unsigned int num_streams; /* Not used by USBDEVFS_FREE_STREAMS */
+	unsigned int num_eps;
+	unsigned char eps[0];
+};
 
 #define USBDEVFS_CONTROL           _IOWR('U', 0, struct usbdevfs_ctrltransfer)
 #define USBDEVFS_CONTROL32           _IOWR('U', 0, struct usbdevfs_ctrltransfer32)
@@ -176,5 +184,7 @@ struct usbdevfs_disconnect_claim {
 #define USBDEVFS_RELEASE_PORT      _IOR('U', 25, unsigned int)
 #define USBDEVFS_GET_CAPABILITIES  _IOR('U', 26, __u32)
 #define USBDEVFS_DISCONNECT_CLAIM  _IOR('U', 27, struct usbdevfs_disconnect_claim)
+#define USBDEVFS_ALLOC_STREAMS     _IOR('U', 28, struct usbdevfs_streams)
+#define USBDEVFS_FREE_STREAMS      _IOR('U', 29, struct usbdevfs_streams)
 
 #endif /* _UAPI_LINUX_USBDEVICE_FS_H */