Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (232 commits)
  USB: Add USB-ID for Multiplex RC serial adapter to cp210x.c
  xhci: Clean up 32-bit build warnings.
  USB: update documentation for usbmon
  usb: usb-storage doesn't support dynamic id currently, the patch disables the feature to fix an oops
  drivers/usb/class/cdc-acm.c: clear dangling pointer
  drivers/usb/dwc3/dwc3-pci.c: introduce missing kfree
  drivers/usb/host/isp1760-if.c: introduce missing kfree
  usb: option: add ZD Incorporated HSPA modem
  usb: ch9: fix up MaxStreams helper
  USB: usb-skeleton.c: cleanup open_count
  USB: usb-skeleton.c: fix open/disconnect race
  xhci: Properly handle COMP_2ND_BW_ERR
  USB: remove dead code from suspend/resume path
  USB: add quirk for another camera
  drivers: usb: wusbcore: Fix dependency for USB_WUSB
  xhci: Better debugging for critical host errors.
  xhci: Be less verbose during URB cancellation.
  xhci: Remove debugging about ring structure allocation.
  xhci: Remove debugging about toggling cycle bits.
  xhci: Remove debugging for individual transfers.
  ...

10 files changed, 146 insertions, 25 deletions

diff --git a/include/linux/nls.h b/include/linux/nls.h
index d47beef08dfd..5dc635f8d79e 100644
--- a/include/linux/nls.h
+++ b/include/linux/nls.h
@@ -43,7 +43,7 @@ enum utf16_endian {
         UTF16_BIG_ENDIAN
 };
 
-/* nls.c */
+/* nls_base.c */
 extern int register_nls(struct nls_table *);
 extern int unregister_nls(struct nls_table *);
 extern struct nls_table *load_nls(char *);
@@ -52,7 +52,8 @@ extern struct nls_table *load_nls_default(void);
 
 extern int utf8_to_utf32(const u8 *s, int len, unicode_t *pu);
 extern int utf32_to_utf8(unicode_t u, u8 *s, int maxlen);
-extern int utf8s_to_utf16s(const u8 *s, int len, wchar_t *pwcs);
+extern int utf8s_to_utf16s(const u8 *s, int len,
+                enum utf16_endian endian, wchar_t *pwcs, int maxlen);
 extern int utf16s_to_utf8s(const wchar_t *pwcs, int len,
                 enum utf16_endian endian, u8 *s, int maxlen);
 
diff --git a/include/linux/platform_data/mv_usb.h b/include/linux/platform_data/mv_usb.h
index e9d9149ddf38..d94804aca764 100644
--- a/include/linux/platform_data/mv_usb.h
+++ b/include/linux/platform_data/mv_usb.h
@@ -42,9 +42,23 @@ struct mv_usb_platform_data {
         /* only valid for HCD. OTG or Host only*/
         unsigned int            mode;
 
-        int     (*phy_init)(unsigned int regbase);
-        void    (*phy_deinit)(unsigned int regbase);
+        /* This flag is used for that needs id pin checked by otg */
+        unsigned int    disable_otg_clock_gating:1;
+        /* Force a_bus_req to be asserted */
+         unsigned int    otg_force_a_bus_req:1;
+
+        int     (*phy_init)(void __iomem *regbase);
+        void    (*phy_deinit)(void __iomem *regbase);
         int     (*set_vbus)(unsigned int vbus);
+        int     (*private_init)(void __iomem *opregs, void __iomem *phyregs);
 };
 
+#ifndef CONFIG_HAVE_CLK
+/* Dummy stub for clk framework */
+#define clk_get(dev, id)       NULL
+#define clk_put(clock)         do {} while (0)
+#define clk_enable(clock)      do {} while (0)
+#define clk_disable(clock)     do {} while (0)
+#endif
+
 #endif
diff --git a/include/linux/platform_data/s3c-hsudc.h b/include/linux/platform_data/s3c-hsudc.h
new file mode 100644
index 000000000000..6fa109339bf9
--- /dev/null
+++ b/include/linux/platform_data/s3c-hsudc.h
@@ -0,0 +1,34 @@
+/*
+ * S3C24XX USB 2.0 High-speed USB controller gadget driver
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com/
+ *
+ * The S3C24XX USB 2.0 high-speed USB controller supports upto 9 endpoints.
+ * Each endpoint can be configured as either in or out endpoint. Endpoints
+ * can be configured for Bulk or Interrupt transfer mode.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __LINUX_USB_S3C_HSUDC_H
+#define __LINUX_USB_S3C_HSUDC_H
+
+/**
+ * s3c24xx_hsudc_platdata - Platform data for USB High-Speed gadget controller.
+ * @epnum: Number of endpoints to be instantiated by the controller driver.
+ * @gpio_init: Platform specific USB related GPIO initialization.
+ * @gpio_uninit: Platform specific USB releted GPIO uninitialzation.
+ *
+ * Representation of platform data for the S3C24XX USB 2.0 High Speed gadget
+ * controllers.
+ */
+struct s3c24xx_hsudc_platdata {
+        unsigned int    epnum;
+        void            (*gpio_init)(void);
+        void            (*gpio_uninit)(void);
+};
+
+#endif  /* __LINUX_USB_S3C_HSUDC_H */
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 7f8d4d61ca47..27a4e16d2bf1 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1233,6 +1233,7 @@ struct urb {
         void *transfer_buffer;          /* (in) associated data buffer */
         dma_addr_t transfer_dma;        /* (in) dma addr for transfer_buffer */
         struct scatterlist *sg;         /* (in) scatter gather buffer list */
+        int num_mapped_sgs;             /* (internal) mapped sg entries */
         int num_sgs;                    /* (in) number of entries in the sg list */
         u32 transfer_buffer_length;     /* (in) data buffer length */
         u32 actual_length;              /* (return) actual transfer length */
@@ -1610,6 +1611,19 @@ usb_maxpacket(struct usb_device *udev, int pipe, int is_out)
 
 /* ----------------------------------------------------------------------- */
 
+/* translate USB error codes to codes user space understands */
+static inline int usb_translate_errors(int error_code)
+{
+        switch (error_code) {
+        case 0:
+        case -ENOMEM:
+        case -ENODEV:
+                return error_code;
+        default:
+                return -EIO;
+        }
+}
+
 /* Events from the usb core */
 #define USB_DEVICE_ADD          0x0001
 #define USB_DEVICE_REMOVE       0x0002
diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h
index 4ebaf0824179..31fdb4c6ee3d 100644
--- a/include/linux/usb/ch11.h
+++ b/include/linux/usb/ch11.h
@@ -26,7 +26,6 @@
 #define HUB_RESET_TT            9
 #define HUB_GET_TT_STATE        10
 #define HUB_STOP_TT             11
-#define HUB_SET_DEPTH           12
 
 /*
  * Hub class additional requests defined by USB 3.0 spec
@@ -165,11 +164,20 @@ struct usb_port_status {
  * wHubCharacteristics (masks)
  * See USB 2.0 spec Table 11-13, offset 3
  */
-#define HUB_CHAR_LPSM           0x0003 /* D1 .. D0 */
-#define HUB_CHAR_COMPOUND       0x0004 /* D2       */
-#define HUB_CHAR_OCPM           0x0018 /* D4 .. D3 */
-#define HUB_CHAR_TTTT           0x0060 /* D6 .. D5 */
-#define HUB_CHAR_PORTIND        0x0080 /* D7       */
+#define HUB_CHAR_LPSM           0x0003 /* Logical Power Switching Mode mask */
+#define HUB_CHAR_COMMON_LPSM    0x0000 /* All ports power control at once */
+#define HUB_CHAR_INDV_PORT_LPSM 0x0001 /* per-port power control */
+#define HUB_CHAR_NO_LPSM        0x0002 /* no power switching */
+
+#define HUB_CHAR_COMPOUND       0x0004 /* hub is part of a compound device */
+
+#define HUB_CHAR_OCPM           0x0018 /* Over-Current Protection Mode mask */
+#define HUB_CHAR_COMMON_OCPM    0x0000 /* All ports Over-Current reporting */
+#define HUB_CHAR_INDV_PORT_OCPM 0x0008 /* per-port Over-current reporting */
+#define HUB_CHAR_NO_OCPM        0x0010 /* No Over-current Protection support */
+
+#define HUB_CHAR_TTTT           0x0060 /* TT Think Time mask */
+#define HUB_CHAR_PORTIND        0x0080 /* per-port indicators (LEDs) */
 
 struct usb_hub_status {
         __le16 wHubStatus;
@@ -198,6 +206,17 @@ struct usb_hub_status {
 #define USB_DT_HUB_NONVAR_SIZE          7
 #define USB_DT_SS_HUB_SIZE              12
 
+/*
+ * Hub Device descriptor
+ * USB Hub class device protocols
+ */
+
+#define USB_HUB_PR_FS           0 /* Full speed hub */
+#define USB_HUB_PR_HS_NO_TT     0 /* Hi-speed hub without TT */
+#define USB_HUB_PR_HS_SINGLE_TT 1 /* Hi-speed hub with single TT */
+#define USB_HUB_PR_HS_MULTI_TT  2 /* Hi-speed hub with multiple TT */
+#define USB_HUB_PR_SS           3 /* Super speed hub */
+
 struct usb_hub_descriptor {
         __u8  bDescLength;
         __u8  bDescriptorType;
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index d5da6c68c250..61b29057b054 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -605,8 +605,26 @@ struct usb_ss_ep_comp_descriptor {
 } __attribute__ ((packed));
 
 #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))
+static inline int
+usb_ss_max_streams(const struct usb_ss_ep_comp_descriptor *comp)
+{
+        int             max_streams;
+
+        if (!comp)
+                return 0;
+
+        max_streams = comp->bmAttributes & 0x1f;
+
+        if (!max_streams)
+                return 0;
+
+        max_streams = 1 << max_streams;
+
+        return max_streams;
+}
+
 /* Bits 1:0 of bmAttributes if this is an isoc endpoint */
 #define USB_SS_MULT(p)                  (1 + ((p) & 0x3))
 
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 1d3a67523ffc..da653b5c7134 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -20,6 +20,7 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/slab.h>
+#include <linux/scatterlist.h>
 #include <linux/types.h>
 #include <linux/usb/ch9.h>
 
@@ -32,6 +33,9 @@ struct usb_ep;
  * @dma: DMA address corresponding to 'buf'.  If you don't set this
  *      field, and the usb controller needs one, it is responsible
  *      for mapping and unmapping the buffer.
+ * @sg: a scatterlist for SG-capable controllers.
+ * @num_sgs: number of SG entries
+ * @num_mapped_sgs: number of SG entries mapped to DMA (internal)
  * @length: Length of that data
  * @stream_id: The stream id, when USB3.0 bulk streams are being used
  * @no_interrupt: If true, hints that no completion irq is needed.
@@ -88,6 +92,10 @@ struct usb_request {
         unsigned                length;
         dma_addr_t              dma;
 
+        struct scatterlist      *sg;
+        unsigned                num_sgs;
+        unsigned                num_mapped_sgs;
+
         unsigned                stream_id:16;
         unsigned                no_interrupt:1;
         unsigned                zero:1;
@@ -164,7 +172,7 @@ struct usb_ep {
         unsigned                maxpacket:16;
         unsigned                max_streams:16;
         unsigned                mult:2;
-        unsigned                maxburst:4;
+        unsigned                maxburst:5;
         u8                      address;
         const struct usb_endpoint_descriptor    *desc;
         const struct usb_ss_ep_comp_descriptor  *comp_desc;
@@ -477,8 +485,9 @@ struct usb_gadget_ops {
  *      driver setup() requests
  * @ep_list: List of other endpoints supported by the device.
  * @speed: Speed of current connection to USB host.
- * @is_dualspeed: True if the controller supports both high and full speed
- *      operation.  If it does, the gadget driver must also support both.
+ * @max_speed: Maximal speed the UDC can handle.  UDC must support this
+ *      and all slower speeds.
+ * @sg_supported: true if we can handle scatter-gather
  * @is_otg: True if the USB device port uses a Mini-AB jack, so that the
  *      gadget driver must provide a USB OTG descriptor.
  * @is_a_peripheral: False unless is_otg, the "A" end of a USB cable
@@ -518,7 +527,8 @@ struct usb_gadget {
         struct usb_ep                   *ep0;
         struct list_head                ep_list;        /* of usb_ep */
         enum usb_device_speed           speed;
-        unsigned                        is_dualspeed:1;
+        enum usb_device_speed           max_speed;
+        unsigned                        sg_supported:1;
         unsigned                        is_otg:1;
         unsigned                        is_a_peripheral:1;
         unsigned                        b_hnp_enable:1;
@@ -549,7 +559,7 @@ static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev)
 static inline int gadget_is_dualspeed(struct usb_gadget *g)
 {
 #ifdef CONFIG_USB_GADGET_DUALSPEED
-        /* runtime test would check "g->is_dualspeed" ... that might be
+        /* runtime test would check "g->max_speed" ... that might be
          * useful to work around hardware bugs, but is mostly pointless
          */
         return 1;
@@ -567,7 +577,7 @@ static inline int gadget_is_superspeed(struct usb_gadget *g)
 {
 #ifdef CONFIG_USB_GADGET_SUPERSPEED
         /*
-         * runtime test would check "g->is_superspeed" ... that might be
+         * runtime test would check "g->max_speed" ... that might be
          * useful to work around hardware bugs, but is mostly pointless
          */
         return 1;
@@ -760,7 +770,7 @@ static inline int usb_gadget_disconnect(struct usb_gadget *gadget)
 /**
  * struct usb_gadget_driver - driver for usb 'slave' devices
  * @function: String describing the gadget's function
- * @speed: Highest speed the driver handles.
+ * @max_speed: Highest speed the driver handles.
  * @setup: Invoked for ep0 control requests that aren't handled by
  *      the hardware level driver. Most calls must be handled by
  *      the gadget driver, including descriptor and configuration
@@ -824,7 +834,7 @@ static inline int usb_gadget_disconnect(struct usb_gadget *gadget)
  */
 struct usb_gadget_driver {
         char                    *function;
-        enum usb_device_speed   speed;
+        enum usb_device_speed   max_speed;
         void                    (*unbind)(struct usb_gadget *);
         int                     (*setup)(struct usb_gadget *,
                                         const struct usb_ctrlrequest *);
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 03354d557b79..b2f62f3a32af 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -99,7 +99,6 @@ struct usb_hcd {
          */
         unsigned long           flags;
 #define HCD_FLAG_HW_ACCESSIBLE          0       /* at full power */
-#define HCD_FLAG_SAW_IRQ                1
 #define HCD_FLAG_POLL_RH                2       /* poll for rh status? */
 #define HCD_FLAG_POLL_PENDING           3       /* status has changed? */
 #define HCD_FLAG_WAKEUP_PENDING         4       /* root hub is resuming? */
@@ -110,7 +109,6 @@ struct usb_hcd {
          * be slightly faster than test_bit().
          */
 #define HCD_HW_ACCESSIBLE(hcd)  ((hcd)->flags & (1U << HCD_FLAG_HW_ACCESSIBLE))
-#define HCD_SAW_IRQ(hcd)        ((hcd)->flags & (1U << HCD_FLAG_SAW_IRQ))
 #define HCD_POLL_RH(hcd)        ((hcd)->flags & (1U << HCD_FLAG_POLL_RH))
 #define HCD_POLL_PENDING(hcd)   ((hcd)->flags & (1U << HCD_FLAG_POLL_PENDING))
 #define HCD_WAKEUP_PENDING(hcd) ((hcd)->flags & (1U << HCD_FLAG_WAKEUP_PENDING))
diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
index e5a40c318548..0d3f98879256 100644
--- a/include/linux/usb/renesas_usbhs.h
+++ b/include/linux/usb/renesas_usbhs.h
@@ -67,6 +67,14 @@ struct renesas_usbhs_platform_callback {
         /*
          * option:
          *
+         * for board specific clock control
+         */
+        void (*power_ctrl)(struct platform_device *pdev,
+                           void __iomem *base, int enable);
+
+        /*
+         * option:
+         *
          * Phy reset for platform
          */
         void (*phy_reset)(struct platform_device *pdev);
@@ -118,7 +126,7 @@ struct renesas_usbhs_driver_param {
          *
          * delay time from notify_hotplug callback
          */
-        int detection_delay;
+        int detection_delay; /* msec */
 
         /*
          * option:
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index b29f70b2ecae..4267a9c717ba 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -58,11 +58,13 @@ enum port_dev_state {
  * @read_urb: pointer to the bulk in struct urb for this port.
  * @bulk_in_endpointAddress: endpoint address for the bulk in pipe for this
  *      port.
+ * @bulk_in_buffers: pointers to the bulk in buffers for this port
+ * @read_urbs: pointers to the bulk in urbs for this port
+ * @read_urbs_free: status bitmap the for bulk in urbs
  * @bulk_out_buffer: pointer to the bulk out buffer for this port.
  * @bulk_out_size: the size of the bulk_out_buffer, in bytes.
  * @write_urb: pointer to the bulk out struct urb for this port.
  * @write_fifo: kfifo used to buffer outgoing data
- * @write_urb_busy: port`s writing status
  * @bulk_out_buffers: pointers to the bulk out buffers for this port
  * @write_urbs: pointers to the bulk out urbs for this port
  * @write_urbs_free: status bitmap the for bulk out urbs
@@ -99,11 +101,14 @@ struct usb_serial_port {
         struct urb              *read_urb;
         __u8                    bulk_in_endpointAddress;
 
+        unsigned char           *bulk_in_buffers[2];
+        struct urb              *read_urbs[2];
+        unsigned long           read_urbs_free;
+
         unsigned char           *bulk_out_buffer;
         int                     bulk_out_size;
         struct urb              *write_urb;
         struct kfifo            write_fifo;
-        int                     write_urb_busy;
 
         unsigned char           *bulk_out_buffers[2];
         struct urb              *write_urbs[2];
@@ -340,7 +345,7 @@ extern void usb_serial_generic_disconnect(struct usb_serial *serial);
 extern void usb_serial_generic_release(struct usb_serial *serial);
 extern int usb_serial_generic_register(int debug);
 extern void usb_serial_generic_deregister(void);
-extern int usb_serial_generic_submit_read_urb(struct usb_serial_port *port,
+extern int usb_serial_generic_submit_read_urbs(struct usb_serial_port *port,
                                                  gfp_t mem_flags);
 extern void usb_serial_generic_process_read_urb(struct urb *urb);
 extern int usb_serial_generic_prepare_write_buffer(struct usb_serial_port *port,