Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (205 commits)
  USB: EHCI: Remove SPARC_LEON {read,write}_be definitions from ehci.h
  USB: UHCI: Support big endian GRUSBHC HC
  sparc: add {read,write}*_be routines
  USB: UHCI: Add support for big endian descriptors
  USB: UHCI: Use ACCESS_ONCE rather than using a full compiler barrier
  USB: UHCI: Add support for big endian mmio
  usb-storage: Correct adjust_quirks to include latest flags
  usb/isp1760: Fix possible unlink problems
  usb/isp1760: Move function isp1760_endpoint_disable() within file.
  USB: remove remaining usages of hcd->state from usbcore and fix regression
  usb: musb: ux500: add configuration and build options for ux500 dma
  usb: musb: ux500: add dma glue layer for ux500
  usb: musb: ux500: add dma name for ux500
  usb: musb: ux500: add ux500 specific code for gadget side
  usb: musb: fix compile error
  usb-storage: fix up the unusual_realtek device list
  USB: gadget: f_audio: Fix invalid dereference of initdata
  EHCI: don't rescan interrupt QHs needlessly
  OHCI: fix regression caused by nVidia shutdown workaround
  USB: OTG: msm: Free VCCCX regulator even if we can't set the voltage
  ...

10 files changed, 288 insertions, 14 deletions

diff --git a/include/linux/fsl_devices.h b/include/linux/fsl_devices.h
index 4eb56ed75fbc..fffdf00f87b9 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -72,6 +72,7 @@ struct fsl_usb2_platform_data {
         void            (*exit)(struct platform_device *);
         void __iomem    *regs;          /* ioremap'd register base */
         struct clk      *clk;
+        unsigned        power_budget;   /* hcd->power_budget */
         unsigned        big_endian_mmio:1;
         unsigned        big_endian_desc:1;
         unsigned        es:1;           /* need USBMODE:ES */
@@ -79,6 +80,21 @@ struct fsl_usb2_platform_data {
         unsigned        have_sysif_regs:1;
         unsigned        invert_drvvbus:1;
         unsigned        invert_pwr_fault:1;
+
+        unsigned        suspended:1;
+        unsigned        already_suspended:1;
+
+        /* register save area for suspend/resume */
+        u32             pm_command;
+        u32             pm_status;
+        u32             pm_intr_enable;
+        u32             pm_frame_index;
+        u32             pm_segment;
+        u32             pm_frame_list;
+        u32             pm_async_next;
+        u32             pm_configured_flag;
+        u32             pm_portsc;
+        u32             pm_usbgenctrl;
 };
 
 /* Flags in fsl_usb2_mph_platform_data */
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 65f78ca5d88e..73c7df489607 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -806,8 +806,10 @@ struct usbdrv_wrap {
  * @resume: Called when the device is being resumed by the system.
  * @reset_resume: Called when the suspended device has been reset instead
  *      of being resumed.
- * @pre_reset: Called by usb_reset_device() when the device
- *      is about to be reset.
+ * @pre_reset: Called by usb_reset_device() when the device is about to be
+ *      reset.  This routine must not return until the driver has no active
+ *      URBs for the device, and no more URBs may be submitted until the
+ *      post_reset method is called.
  * @post_reset: Called by usb_reset_device() after the device
  *      has been reset
  * @id_table: USB drivers use ID table to support hotplugging.
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index b72f305ce6bd..0fd3fbdd8283 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -579,7 +579,7 @@ struct usb_ss_ep_comp_descriptor {
 
         __u8  bMaxBurst;
         __u8  bmAttributes;
-        __u16 wBytesPerInterval;
+        __le16 wBytesPerInterval;
 } __attribute__ ((packed));
 
 #define USB_DT_SS_EP_COMP_SIZE          6
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 882a084a8411..b78cba466d3d 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -37,6 +37,14 @@
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
 
+/*
+ * USB function drivers should return USB_GADGET_DELAYED_STATUS if they
+ * wish to delay the data/status stages of the control transfer till they
+ * are ready. The control transfer will then be kept from completing till
+ * all the function drivers that requested for USB_GADGET_DELAYED_STAUS
+ * invoke usb_composite_setup_continue().
+ */
+#define USB_GADGET_DELAYED_STATUS       0x7fff  /* Impossibly large value */
 
 struct usb_configuration;
 
@@ -285,6 +293,7 @@ struct usb_composite_driver {
 extern int usb_composite_probe(struct usb_composite_driver *driver,
                                int (*bind)(struct usb_composite_dev *cdev));
 extern void usb_composite_unregister(struct usb_composite_driver *driver);
+extern void usb_composite_setup_continue(struct usb_composite_dev *cdev);
 
 
 /**
@@ -342,7 +351,12 @@ struct usb_composite_dev {
          */
         unsigned                        deactivations;
 
-        /* protects at least deactivation count */
+        /* the composite driver won't complete the control transfer's
+         * data/status stages till delayed_status is zero.
+         */
+        int                             delayed_status;
+
+        /* protects deactivations and delayed_status counts*/
         spinlock_t                      lock;
 };
 
diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h
index e49dfd45baa4..7cc95ee3606b 100644
--- a/include/linux/usb/ehci_def.h
+++ b/include/linux/usb/ehci_def.h
@@ -25,10 +25,15 @@
 struct ehci_caps {
         /* these fields are specified as 8 and 16 bit registers,
          * but some hosts can't perform 8 or 16 bit PCI accesses.
+         * some hosts treat caplength and hciversion as parts of a 32-bit
+         * register, others treat them as two separate registers, this
+         * affects the memory map for big endian controllers.
          */
         u32             hc_capbase;
-#define HC_LENGTH(p)            (((p)>>00)&0x00ff)      /* bits 7:0 */
-#define HC_VERSION(p)           (((p)>>16)&0xffff)      /* bits 31:16 */
+#define HC_LENGTH(ehci, p)      (0x00ff&((p) >> /* bits 7:0 / offset 00h */ \
+                                (ehci_big_endian_capbase(ehci) ? 24 : 0)))
+#define HC_VERSION(ehci, p)     (0xffff&((p) >> /* bits 31:16 / offset 02h */ \
+                                (ehci_big_endian_capbase(ehci) ? 0 : 16)))
         u32             hcs_params;     /* HCSPARAMS - offset 0x4 */
 #define HCS_DEBUG_PORT(p)       (((p)>>20)&0xf) /* bits 23:20, debug port? */
 #define HCS_INDICATOR(p)        ((p)&(1 << 16)) /* true: has port indicators */
@@ -52,7 +57,7 @@ struct ehci_caps {
 #define HCC_PGM_FRAMELISTLEN(p) ((p)&(1 << 1))  /* true: periodic_size changes*/
 #define HCC_64BIT_ADDR(p)       ((p)&(1))       /* true: can use 64-bit addr */
         u8              portroute[8];    /* nibbles for routing - offset 0xC */
-} __attribute__ ((packed));
+};
 
 
 /* Section 2.3 Host Controller Operational Registers */
@@ -150,7 +155,7 @@ struct ehci_regs {
 #define PORT_CSC        (1<<1)          /* connect status change */
 #define PORT_CONNECT    (1<<0)          /* device connected */
 #define PORT_RWC_BITS   (PORT_CSC | PORT_PEC | PORT_OCC)
-} __attribute__ ((packed));
+};
 
 #define USBMODE         0x68            /* USB Device mode */
 #define USBMODE_SDIS    (1<<3)          /* Stream disable */
@@ -194,7 +199,7 @@ struct ehci_dbg_port {
         u32     data47;
         u32     address;
 #define DBGP_EPADDR(dev, ep)    (((dev)<<8)|(ep))
-} __attribute__ ((packed));
+};
 
 #ifdef CONFIG_EARLY_PRINTK_DBGP
 #include <linux/init.h>
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index e538172c0f64..dd1571db55e7 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -890,8 +890,8 @@ static inline void usb_free_descriptors(struct usb_descriptor_header **v)
 /* utility wrapping a simple endpoint selection policy */
 
 extern struct usb_ep *usb_ep_autoconfig(struct usb_gadget *,
-                        struct usb_endpoint_descriptor *) __devinit;
+                        struct usb_endpoint_descriptor *);
 
-extern void usb_ep_autoconfig_reset(struct usb_gadget *) __devinit;
+extern void usb_ep_autoconfig_reset(struct usb_gadget *);
 
 #endif /* __LINUX_USB_GADGET_H */
diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h
index 3657403eac18..00311fe9d0df 100644
--- a/include/linux/usb/msm_hsusb.h
+++ b/include/linux/usb/msm_hsusb.h
@@ -2,7 +2,7 @@
  *
  * Copyright (C) 2008 Google, Inc.
  * Author: Brian Swetland <swetland@google.com>
- * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
+ * Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
@@ -54,6 +54,64 @@ enum otg_control_type {
 };
 
 /**
+ * PHY used in
+ *
+ * INVALID_PHY                  Unsupported PHY
+ * CI_45NM_INTEGRATED_PHY       Chipidea 45nm integrated PHY
+ * SNPS_28NM_INTEGRATED_PHY     Synopsis 28nm integrated PHY
+ *
+ */
+enum msm_usb_phy_type {
+        INVALID_PHY = 0,
+        CI_45NM_INTEGRATED_PHY,
+        SNPS_28NM_INTEGRATED_PHY,
+};
+
+#define IDEV_CHG_MAX    1500
+#define IUNIT           100
+
+/**
+ * Different states involved in USB charger detection.
+ *
+ * USB_CHG_STATE_UNDEFINED      USB charger is not connected or detection
+ *                              process is not yet started.
+ * USB_CHG_STATE_WAIT_FOR_DCD   Waiting for Data pins contact.
+ * USB_CHG_STATE_DCD_DONE       Data pin contact is detected.
+ * USB_CHG_STATE_PRIMARY_DONE   Primary detection is completed (Detects
+ *                              between SDP and DCP/CDP).
+ * USB_CHG_STATE_SECONDARY_DONE Secondary detection is completed (Detects
+ *                              between DCP and CDP).
+ * USB_CHG_STATE_DETECTED       USB charger type is determined.
+ *
+ */
+enum usb_chg_state {
+        USB_CHG_STATE_UNDEFINED = 0,
+        USB_CHG_STATE_WAIT_FOR_DCD,
+        USB_CHG_STATE_DCD_DONE,
+        USB_CHG_STATE_PRIMARY_DONE,
+        USB_CHG_STATE_SECONDARY_DONE,
+        USB_CHG_STATE_DETECTED,
+};
+
+/**
+ * USB charger types
+ *
+ * USB_INVALID_CHARGER  Invalid USB charger.
+ * USB_SDP_CHARGER      Standard downstream port. Refers to a downstream port
+ *                      on USB2.0 compliant host/hub.
+ * USB_DCP_CHARGER      Dedicated charger port (AC charger/ Wall charger).
+ * USB_CDP_CHARGER      Charging downstream port. Enumeration can happen and
+ *                      IDEV_CHG_MAX can be drawn irrespective of USB state.
+ *
+ */
+enum usb_chg_type {
+        USB_INVALID_CHARGER = 0,
+        USB_SDP_CHARGER,
+        USB_DCP_CHARGER,
+        USB_CDP_CHARGER,
+};
+
+/**
  * struct msm_otg_platform_data - platform device data
  *              for msm_otg driver.
  * @phy_init_seq: PHY configuration sequence. val, reg pairs
@@ -64,7 +122,8 @@ enum otg_control_type {
  * @otg_control: OTG switch controlled by user/Id pin
  * @default_mode: Default operational mode. Applicable only if
  *              OTG switch is controller by user.
- *
+ * @pclk_src_name: pclk is derived from ebi1_usb_clk in case of 7x27 and 8k
+ *              dfab_usb_hs_clk in case of 8660 and 8960.
  */
 struct msm_otg_platform_data {
         int *phy_init_seq;
@@ -73,7 +132,9 @@ struct msm_otg_platform_data {
         enum usb_mode_type mode;
         enum otg_control_type otg_control;
         enum usb_mode_type default_mode;
+        enum msm_usb_phy_type phy_type;
         void (*setup_gpio)(enum usb_otg_state state);
+        char *pclk_src_name;
 };
 
 /**
@@ -83,6 +144,7 @@ struct msm_otg_platform_data {
  * @irq: IRQ number assigned for HSUSB controller.
  * @clk: clock struct of usb_hs_clk.
  * @pclk: clock struct of usb_hs_pclk.
+ * @pclk_src: pclk source for voting.
  * @phy_reset_clk: clock struct of usb_phy_clk.
  * @core_clk: clock struct of usb_hs_core_clk.
  * @regs: ioremapped register base address.
@@ -90,7 +152,12 @@ struct msm_otg_platform_data {
  * @sm_work: OTG state machine work.
  * @in_lpm: indicates low power mode (LPM) state.
  * @async_int: Async interrupt arrived.
- *
+ * @cur_power: The amount of mA available from downstream port.
+ * @chg_work: Charger detection work.
+ * @chg_state: The state of charger detection process.
+ * @chg_type: The type of charger attached.
+ * @dcd_retires: The retry count used to track Data contact
+ *               detection process.
  */
 struct msm_otg {
         struct otg_transceiver otg;
@@ -98,6 +165,7 @@ struct msm_otg {
         int irq;
         struct clk *clk;
         struct clk *pclk;
+        struct clk *pclk_src;
         struct clk *phy_reset_clk;
         struct clk *core_clk;
         void __iomem *regs;
@@ -107,6 +175,11 @@ struct msm_otg {
         struct work_struct sm_work;
         atomic_t in_lpm;
         int async_int;
+        unsigned cur_power;
+        struct delayed_work chg_work;
+        enum usb_chg_state chg_state;
+        enum usb_chg_type chg_type;
+        u8 dcd_retries;
 };
 
 #endif
diff --git a/include/linux/usb/msm_hsusb_hw.h b/include/linux/usb/msm_hsusb_hw.h
index 7d1babbff071..6e97a2d3d39f 100644
--- a/include/linux/usb/msm_hsusb_hw.h
+++ b/include/linux/usb/msm_hsusb_hw.h
@@ -24,6 +24,7 @@
 #define USB_PORTSC           (MSM_USB_BASE + 0x0184)
 #define USB_OTGSC            (MSM_USB_BASE + 0x01A4)
 #define USB_USBMODE          (MSM_USB_BASE + 0x01A8)
+#define USB_PHY_CTRL         (MSM_USB_BASE + 0x0240)
 
 #define USBCMD_RESET   2
 #define USB_USBINTR          (MSM_USB_BASE + 0x0148)
@@ -42,6 +43,7 @@
 
 #define ASYNC_INTR_CTRL         (1 << 29) /* Enable async interrupt */
 #define ULPI_STP_CTRL           (1 << 30) /* Block communication with PHY */
+#define PHY_RETEN               (1 << 1) /* PHY retention enable/disable */
 
 /* OTG definitions */
 #define OTGSC_INTSTS_MASK       (0x7f << 16)
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 6e40718f5abe..d87f44f5b04e 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -168,6 +168,7 @@ otg_shutdown(struct otg_transceiver *otg)
 #ifdef CONFIG_USB_OTG_UTILS
 extern struct otg_transceiver *otg_get_transceiver(void);
 extern void otg_put_transceiver(struct otg_transceiver *);
+extern const char *otg_state_string(enum usb_otg_state state);
 #else
 static inline struct otg_transceiver *otg_get_transceiver(void)
 {
@@ -177,6 +178,11 @@ static inline struct otg_transceiver *otg_get_transceiver(void)
 static inline void otg_put_transceiver(struct otg_transceiver *x)
 {
 }
+
+static inline const char *otg_state_string(enum usb_otg_state state)
+{
+        return NULL;
+}
 #endif
 
 /* Context: can sleep */
diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
new file mode 100644
index 000000000000..3a7f1d982dd6
--- /dev/null
+++ b/include/linux/usb/renesas_usbhs.h
@@ -0,0 +1,156 @@
+/*
+ * Renesas USB
+ *
+ * Copyright (C) 2011 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is distributed in the hope that 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 RENESAS_USB_H
+#define RENESAS_USB_H
+#include <linux/platform_device.h>
+#include <linux/usb/ch9.h>
+
+/*
+ * module type
+ *
+ * it will be return value from get_id
+ */
+enum {
+        USBHS_HOST = 0,
+        USBHS_GADGET,
+        USBHS_MAX,
+};
+
+/*
+ * callback functions table for driver
+ *
+ * These functions are called from platform for driver.
+ * Callback function's pointer will be set before
+ * renesas_usbhs_platform_callback :: hardware_init was called
+ */
+struct renesas_usbhs_driver_callback {
+        int (*notify_hotplug)(struct platform_device *pdev);
+};
+
+/*
+ * callback functions for platform
+ *
+ * These functions are called from driver for platform
+ */
+struct renesas_usbhs_platform_callback {
+
+        /*
+         * option:
+         *
+         * Hardware init function for platform.
+         * it is called when driver was probed.
+         */
+        int (*hardware_init)(struct platform_device *pdev);
+
+        /*
+         * option:
+         *
+         * Hardware exit function for platform.
+         * it is called when driver was removed
+         */
+        void (*hardware_exit)(struct platform_device *pdev);
+
+        /*
+         * option:
+         *
+         * Phy reset for platform
+         */
+        void (*phy_reset)(struct platform_device *pdev);
+
+        /*
+         * get USB ID function
+         *  - USBHS_HOST
+         *  - USBHS_GADGET
+         */
+        int (*get_id)(struct platform_device *pdev);
+
+        /*
+         * get VBUS status function.
+         */
+        int (*get_vbus)(struct platform_device *pdev);
+};
+
+/*
+ * parameters for renesas usbhs
+ *
+ * some register needs USB chip specific parameters.
+ * This struct show it to driver
+ */
+struct renesas_usbhs_driver_param {
+        /*
+         * pipe settings
+         */
+        u32 *pipe_type; /* array of USB_ENDPOINT_XFER_xxx (from ep0) */
+        int pipe_size; /* pipe_type array size */
+
+        /*
+         * option:
+         *
+         * for BUSWAIT :: BWAIT
+         * */
+        int buswait_bwait;
+
+        /*
+         * option:
+         *
+         * delay time from notify_hotplug callback
+         */
+        int detection_delay;
+};
+
+/*
+ * option:
+ *
+ * platform information for renesas_usbhs driver.
+ */
+struct renesas_usbhs_platform_info {
+        /*
+         * option:
+         *
+         * platform set these functions before
+         * call platform_add_devices if needed
+         */
+        struct renesas_usbhs_platform_callback  platform_callback;
+
+        /*
+         * driver set these callback functions pointer.
+         * platform can use it on callback functions
+         */
+        struct renesas_usbhs_driver_callback    driver_callback;
+
+        /*
+         * option:
+         *
+         * driver use these param for some register
+         */
+        struct renesas_usbhs_driver_param       driver_param;
+};
+
+/*
+ * macro for platform
+ */
+#define renesas_usbhs_get_info(pdev)\
+        ((struct renesas_usbhs_platform_info *)(pdev)->dev.platform_data)
+
+#define renesas_usbhs_call_notify_hotplug(pdev)                         \
+        ({                                                              \
+                struct renesas_usbhs_driver_callback *dc;               \
+                dc = &(renesas_usbhs_get_info(pdev)->driver_callback);  \
+                if (dc && dc->notify_hotplug)                           \
+                        dc->notify_hotplug(pdev);                       \
+        })
+#endif /* RENESAS_USB_H */