7 files changed, 82 insertions, 169 deletions

diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h
index 4ebaf0824179..0b83acd3360a 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
@@ -62,12 +61,6 @@
 #define USB_PORT_FEAT_TEST              21
 #define USB_PORT_FEAT_INDICATOR         22
 #define USB_PORT_FEAT_C_PORT_L1         23
-#define USB_PORT_FEAT_C_PORT_LINK_STATE 25
-#define USB_PORT_FEAT_C_PORT_CONFIG_ERROR 26
-#define USB_PORT_FEAT_PORT_REMOTE_WAKE_MASK 27
-#define USB_PORT_FEAT_BH_PORT_RESET     28
-#define USB_PORT_FEAT_C_BH_PORT_RESET   29
-#define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT 30
 
 /*
  * Port feature selectors added by USB 3.0 spec.
@@ -76,8 +69,8 @@
 #define USB_PORT_FEAT_LINK_STATE                5
 #define USB_PORT_FEAT_U1_TIMEOUT                23
 #define USB_PORT_FEAT_U2_TIMEOUT                24
-#define USB_PORT_FEAT_C_LINK_STATE              25
-#define USB_PORT_FEAT_C_CONFIG_ERR              26
+#define USB_PORT_FEAT_C_PORT_LINK_STATE         25
+#define USB_PORT_FEAT_C_PORT_CONFIG_ERROR       26
 #define USB_PORT_FEAT_REMOTE_WAKE_MASK          27
 #define USB_PORT_FEAT_BH_PORT_RESET             28
 #define USB_PORT_FEAT_C_BH_PORT_RESET           29
@@ -165,11 +158,20 @@ 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 +200,17 @@ 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..3b6f628880f8 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -589,7 +589,7 @@ static inline int usb_endpoint_is_isoc_out(
  */
 static inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd)
 {
-        return le16_to_cpu(epd->wMaxPacketSize);
+        return __le16_to_cpu(epd->wMaxPacketSize);
 }
 
 /*-------------------------------------------------------------------------*/
@@ -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/langwell_otg.h b/include/linux/usb/langwell_otg.h
deleted file mode 100644
index 51f17b16d312..000000000000
--- a/include/linux/usb/langwell_otg.h
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Intel Langwell USB OTG transceiver driver
- * Copyright (C) 2008 - 2010, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#ifndef __LANGWELL_OTG_H
-#define __LANGWELL_OTG_H
-
-#include <linux/usb/intel_mid_otg.h>
-
-#define CI_USBCMD               0x30
-#       define USBCMD_RST               BIT(1)
-#       define USBCMD_RS                BIT(0)
-#define CI_USBSTS               0x34
-#       define USBSTS_SLI               BIT(8)
-#       define USBSTS_URI               BIT(6)
-#       define USBSTS_PCI               BIT(2)
-#define CI_PORTSC1              0x74
-#       define PORTSC_PP                BIT(12)
-#       define PORTSC_LS                (BIT(11) | BIT(10))
-#       define PORTSC_SUSP              BIT(7)
-#       define PORTSC_CCS               BIT(0)
-#define CI_HOSTPC1              0xb4
-#       define HOSTPC1_PHCD             BIT(22)
-#define CI_OTGSC                0xf4
-#       define OTGSC_DPIE               BIT(30)
-#       define OTGSC_1MSE               BIT(29)
-#       define OTGSC_BSEIE              BIT(28)
-#       define OTGSC_BSVIE              BIT(27)
-#       define OTGSC_ASVIE              BIT(26)
-#       define OTGSC_AVVIE              BIT(25)
-#       define OTGSC_IDIE               BIT(24)
-#       define OTGSC_DPIS               BIT(22)
-#       define OTGSC_1MSS               BIT(21)
-#       define OTGSC_BSEIS              BIT(20)
-#       define OTGSC_BSVIS              BIT(19)
-#       define OTGSC_ASVIS              BIT(18)
-#       define OTGSC_AVVIS              BIT(17)
-#       define OTGSC_IDIS               BIT(16)
-#       define OTGSC_DPS                BIT(14)
-#       define OTGSC_1MST               BIT(13)
-#       define OTGSC_BSE                BIT(12)
-#       define OTGSC_BSV                BIT(11)
-#       define OTGSC_ASV                BIT(10)
-#       define OTGSC_AVV                BIT(9)
-#       define OTGSC_ID                 BIT(8)
-#       define OTGSC_HABA               BIT(7)
-#       define OTGSC_HADP               BIT(6)
-#       define OTGSC_IDPU               BIT(5)
-#       define OTGSC_DP                 BIT(4)
-#       define OTGSC_OT                 BIT(3)
-#       define OTGSC_HAAR               BIT(2)
-#       define OTGSC_VC                 BIT(1)
-#       define OTGSC_VD                 BIT(0)
-#       define OTGSC_INTEN_MASK         (0x7f << 24)
-#       define OTGSC_INT_MASK           (0x5f << 24)
-#       define OTGSC_INTSTS_MASK        (0x7f << 16)
-#define CI_USBMODE              0xf8
-#       define USBMODE_CM               (BIT(1) | BIT(0))
-#       define USBMODE_IDLE             0
-#       define USBMODE_DEVICE           0x2
-#       define USBMODE_HOST             0x3
-#define USBCFG_ADDR                     0xff10801c
-#define USBCFG_LEN                      4
-#       define USBCFG_VBUSVAL           BIT(14)
-#       define USBCFG_AVALID            BIT(13)
-#       define USBCFG_BVALID            BIT(12)
-#       define USBCFG_SESEND            BIT(11)
-
-#define INTR_DUMMY_MASK (USBSTS_SLI | USBSTS_URI | USBSTS_PCI)
-
-enum langwell_otg_timer_type {
-        TA_WAIT_VRISE_TMR,
-        TA_WAIT_BCON_TMR,
-        TA_AIDL_BDIS_TMR,
-        TB_ASE0_BRST_TMR,
-        TB_SE0_SRP_TMR,
-        TB_SRP_INIT_TMR,
-        TB_SRP_FAIL_TMR,
-        TB_BUS_SUSPEND_TMR
-};
-
-#define TA_WAIT_VRISE   100
-#define TA_WAIT_BCON    30000
-#define TA_AIDL_BDIS    15000
-#define TB_ASE0_BRST    5000
-#define TB_SE0_SRP      2
-#define TB_SRP_INIT     100
-#define TB_SRP_FAIL     5500
-#define TB_BUS_SUSPEND  500
-
-struct langwell_otg_timer {
-        unsigned long expires;  /* Number of count increase to timeout */
-        unsigned long count;    /* Tick counter */
-        void (*function)(unsigned long);        /* Timeout function */
-        unsigned long data;     /* Data passed to function */
-        struct list_head list;
-};
-
-struct langwell_otg {
-        struct intel_mid_otg_xceiv      iotg;
-        struct device                   *dev;
-
-        void __iomem                    *usbcfg;        /* SCCBUSB config Reg */
-
-        unsigned                        region;
-        unsigned                        cfg_region;
-
-        struct work_struct              work;
-        struct workqueue_struct         *qwork;
-        struct timer_list               hsm_timer;
-
-        spinlock_t                      lock;
-        spinlock_t                      wq_lock;
-
-        struct notifier_block           iotg_notifier;
-};
-
-static inline
-struct langwell_otg *mid_xceiv_to_lnw(struct intel_mid_otg_xceiv *iotg)
-{
-        return container_of(iotg, struct langwell_otg, iotg);
-}
-
-#endif /* __LANGWELL_OTG_H__ */
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,