Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (24 commits)
  Revert "[PATCH] USB: move usb_device_class class devices to be real devices"
  Revert "[PATCH] USB: convert usb class devices to real devices"
  USB: UHCI: Don't test the Short Packet Detect bit
  USB: unusual_devs entry for Nokia 3250
  USB: dummy-hcd: disable interrupts during req->complete
  USB: fix the USB_GADGET_DUMMY_HCD dependencies
  USB: ati_remote.c: autorepeat fix
  USB: doc: fixes devio.c location in proc_usb_info.txt.
  USB: doc: usb-help.txt update.
  USB: Patch for rtl8150 to fix unplug problems
  USB: cypress driver comment updates
  USB: unusual_devs device removal
  usb-storage: Add US_FL_IGNORE_DEVICE flag; ignore ZyXEL G220F
  USB: New USB ID for Belkin Serial Adapter
  USB: Additional PID for the ftdi_sio driver
  USB: adding support for SHARP WS003SH to ipaq.c
  USB: Fix Freescale high-speed USB host dependency
  USB: Removed 3-port device handler from Option driver
  USB: Drop Sierra Wireless MC8755 from the Option driver
  USB: Let option driver handle Anydata CDMA modems. Remove anydata driver.
  ...

29 files changed, 343 insertions, 364 deletions

diff --git a/Documentation/usb/proc_usb_info.txt b/Documentation/usb/proc_usb_info.txt
index f86550fe38ee..22c5331260ca 100644
--- a/Documentation/usb/proc_usb_info.txt
+++ b/Documentation/usb/proc_usb_info.txt
@@ -59,7 +59,7 @@ bind to an interface (or perhaps several) using an ioctl call.  You
 would issue more ioctls to the device to communicate to it using
 control, bulk, or other kinds of USB transfers.  The IOCTLs are
 listed in the <linux/usbdevice_fs.h> file, and at this writing the
-source code (linux/drivers/usb/devio.c) is the primary reference
+source code (linux/drivers/usb/core/devio.c) is the primary reference
 for how to access devices through those files.
 
 Note that since by default these BBB/DDD files are writable only by
diff --git a/Documentation/usb/usb-help.txt b/Documentation/usb/usb-help.txt
index b7c324973695..a7408593829f 100644
--- a/Documentation/usb/usb-help.txt
+++ b/Documentation/usb/usb-help.txt
@@ -5,8 +5,7 @@ For USB help other than the readme files that are located in
 Documentation/usb/*, see the following:
 
 Linux-USB project:  http://www.linux-usb.org
-  mirrors at        http://www.suse.cz/development/linux-usb/
-         and        http://usb.in.tum.de/linux-usb/
+  mirrors at        http://usb.in.tum.de/linux-usb/
          and        http://it.linux-usb.org
 Linux USB Guide:    http://linux-usb.sourceforge.net
 Linux-USB device overview (working devices and drivers):
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index 2ee742d40c43..005043197527 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -24,7 +24,7 @@ config USB_ARCH_HAS_OHCI
 	default y if ARCH_S3C2410
 	default y if PXA27x
 	default y if ARCH_EP93XX
-	default y if ARCH_AT91RM9200
+	default y if (ARCH_AT91RM9200 || ARCH_AT91SAM9261)
 	# PPC:
 	default y if STB03xxx
 	default y if PPC_MPC52xx
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index f7bdd94b3aa8..218621b9958e 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -517,19 +517,19 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, unsig
 
 static struct usb_device *usbdev_lookup_minor(int minor)
 {
-	struct device *device;
-	struct usb_device *udev = NULL;
+	struct class_device *class_dev;
+	struct usb_device *dev = NULL;
 
 	down(&usb_device_class->sem);
-	list_for_each_entry(device, &usb_device_class->devices, node) {
-		if (device->devt == MKDEV(USB_DEVICE_MAJOR, minor)) {
-			udev = device->platform_data;
+	list_for_each_entry(class_dev, &usb_device_class->children, node) {
+		if (class_dev->devt == MKDEV(USB_DEVICE_MAJOR, minor)) {
+			dev = class_dev->class_data;
 			break;
 		}
 	}
 	up(&usb_device_class->sem);
 
-	return udev;
+	return dev;
 };
 
 /*
@@ -1580,16 +1580,16 @@ static void usbdev_add(struct usb_device *dev)
 {
 	int minor = ((dev->bus->busnum-1) * 128) + (dev->devnum-1);
 
-	dev->usbfs_dev = device_create(usb_device_class, &dev->dev,
-				MKDEV(USB_DEVICE_MAJOR, minor),
+	dev->class_dev = class_device_create(usb_device_class, NULL,
+				MKDEV(USB_DEVICE_MAJOR, minor), &dev->dev,
 				"usbdev%d.%d", dev->bus->busnum, dev->devnum);
 
-	dev->usbfs_dev->platform_data = dev;
+	dev->class_dev->class_data = dev;
 }
 
 static void usbdev_remove(struct usb_device *dev)
 {
-	device_unregister(dev->usbfs_dev);
+	class_device_unregister(dev->class_dev);
 }
 
 static int usbdev_notify(struct notifier_block *self, unsigned long action,
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index abee0f5b6a66..8de4f8c99d61 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -194,13 +194,14 @@ int usb_register_dev(struct usb_interface *intf,
 		++temp;
 	else
 		temp = name;
-	intf->usb_dev = device_create(usb_class->class, &intf->dev,
-				      MKDEV(USB_MAJOR, minor), "%s", temp);
-	if (IS_ERR(intf->usb_dev)) {
+	intf->class_dev = class_device_create(usb_class->class, NULL,
+					      MKDEV(USB_MAJOR, minor),
+					      &intf->dev, "%s", temp);
+	if (IS_ERR(intf->class_dev)) {
 		spin_lock (&minor_lock);
 		usb_minors[intf->minor] = NULL;
 		spin_unlock (&minor_lock);
-		retval = PTR_ERR(intf->usb_dev);
+		retval = PTR_ERR(intf->class_dev);
 	}
 exit:
 	return retval;
@@ -241,8 +242,8 @@ void usb_deregister_dev(struct usb_interface *intf,
 	spin_unlock (&minor_lock);
 
 	snprintf(name, BUS_ID_SIZE, class_driver->name, intf->minor - minor_base);
-	device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor));
-	intf->usb_dev = NULL;
+	class_device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor));
+	intf->class_dev = NULL;
 	intf->minor = -1;
 	destroy_usb_class();
 }
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 363b2ad74ae6..1a32d96774b4 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -207,7 +207,7 @@ config USB_AT91
 
 config USB_GADGET_DUMMY_HCD
 	boolean "Dummy HCD (DEVELOPMENT)"
-	depends on USB && EXPERIMENTAL
+	depends on (USB=y || (USB=m && USB_GADGET=m)) && EXPERIMENTAL
 	select USB_GADGET_DUALSPEED
 	help
 	  This host controller driver emulates USB, looping all data transfer
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 1c459ff037ce..cfebca05ead5 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -57,19 +57,23 @@
 
 /*
  * This controller is simple and PIO-only.  It's used in many AT91-series
- * ARMv4T controllers, including the at91rm9200 (arm920T, with MMU),
- * at91sam9261 (arm926ejs, with MMU), and several no-mmu versions.
+ * full speed USB controllers, including the at91rm9200 (arm920T, with MMU),
+ * at91sam926x (arm926ejs, with MMU), and several no-mmu versions.
  *
  * This driver expects the board has been wired with two GPIOs suppporting
  * a VBUS sensing IRQ, and a D+ pullup.  (They may be omitted, but the
- * testing hasn't covered such cases.)  The pullup is most important; it
+ * testing hasn't covered such cases.)
+ *
+ * The pullup is most important (so it's integrated on sam926x parts).  It
  * provides software control over whether the host enumerates the device.
+ *
  * The VBUS sensing helps during enumeration, and allows both USB clocks
  * (and the transceiver) to stay gated off until they're necessary, saving
- * power.  During USB suspend, the 48 MHz clock is gated off.
+ * power.  During USB suspend, the 48 MHz clock is gated off in hardware;
+ * it may also be gated off by software during some Linux sleep states.
  */
 
-#define	DRIVER_VERSION	"8 March 2005"
+#define	DRIVER_VERSION	"3 May 2006"
 
 static const char driver_name [] = "at91_udc";
 static const char ep0name[] = "ep0";
@@ -316,9 +320,15 @@ static void done(struct at91_ep *ep, struct at91_request *req, int status)
  *
  * There are also state bits like FORCESTALL, EPEDS, DIR, and EPTYPE
  * that shouldn't normally be changed.
+ *
+ * NOTE at91sam9260 docs mention synch between UDPCK and MCK clock domains,
+ * implying a need to wait for one write to complete (test relevant bits)
+ * before starting the next write.  This shouldn't be an issue given how
+ * infrequently we write, except maybe for write-then-read idioms.
  */
 #define	SET_FX	(AT91_UDP_TXPKTRDY)
-#define	CLR_FX	(RX_DATA_READY | AT91_UDP_RXSETUP | AT91_UDP_STALLSENT | AT91_UDP_TXCOMP)
+#define	CLR_FX	(RX_DATA_READY | AT91_UDP_RXSETUP \
+		| AT91_UDP_STALLSENT | AT91_UDP_TXCOMP)
 
 /* pull OUT packet data from the endpoint's fifo */
 static int read_fifo (struct at91_ep *ep, struct at91_request *req)
@@ -472,7 +482,8 @@ static void nuke(struct at91_ep *ep, int status)
 
 /*-------------------------------------------------------------------------*/
 
-static int at91_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
+static int at91_ep_enable(struct usb_ep *_ep,
+				const struct usb_endpoint_descriptor *desc)
 {
 	struct at91_ep	*ep = container_of(_ep, struct at91_ep, ep);
 	struct at91_udc	*dev = ep->udc;
@@ -582,11 +593,12 @@ static int at91_ep_disable (struct usb_ep * _ep)
  * interesting for request or buffer allocation.
  */
 
-static struct usb_request *at91_ep_alloc_request (struct usb_ep *_ep, unsigned int gfp_flags)
+static struct usb_request *
+at91_ep_alloc_request(struct usb_ep *_ep, unsigned int gfp_flags)
 {
 	struct at91_request *req;
 
-	req = kcalloc(1, sizeof (struct at91_request), SLAB_KERNEL);
+	req = kcalloc(1, sizeof (struct at91_request), gfp_flags);
 	if (!req)
 		return NULL;
 
@@ -862,6 +874,7 @@ static void stop_activity(struct at91_udc *udc)
 	if (udc->gadget.speed == USB_SPEED_UNKNOWN)
 		driver = NULL;
 	udc->gadget.speed = USB_SPEED_UNKNOWN;
+	udc->suspended = 0;
 
 	for (i = 0; i < NUM_ENDPOINTS; i++) {
 		struct at91_ep *ep = &udc->ep[i];
@@ -889,8 +902,8 @@ static void clk_off(struct at91_udc *udc)
 		return;
 	udc->clocked = 0;
 	udc->gadget.speed = USB_SPEED_UNKNOWN;
-	clk_disable(udc->iclk);
 	clk_disable(udc->fclk);
+	clk_disable(udc->iclk);
 }
 
 /*
@@ -911,9 +924,6 @@ static void pullup(struct at91_udc *udc, int is_on)
 		at91_udp_write(AT91_UDP_TXVC, AT91_UDP_TXVC_TXVDIS);
 		at91_set_gpio_value(udc->board.pullup_pin, 0);
 		clk_off(udc);
-
-		// REVISIT:  with transceiver disabled, will D- float
-		// so that a host would falsely detect a device?
 	}
 }
 
@@ -1290,7 +1300,8 @@ static void handle_ep0(struct at91_udc *udc)
 			if (udc->wait_for_addr_ack) {
 				u32	tmp;
 
-				at91_udp_write(AT91_UDP_FADDR, AT91_UDP_FEN | udc->addr);
+				at91_udp_write(AT91_UDP_FADDR,
+						AT91_UDP_FEN | udc->addr);
 				tmp = at91_udp_read(AT91_UDP_GLB_STAT);
 				tmp &= ~AT91_UDP_FADDEN;
 				if (udc->addr)
@@ -1361,9 +1372,10 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc, struct pt_regs *r)
 	u32			rescans = 5;
 
 	while (rescans--) {
-		u32	status = at91_udp_read(AT91_UDP_ISR);
+		u32 status;
 
-		status &= at91_udp_read(AT91_UDP_IMR);
+		status = at91_udp_read(AT91_UDP_ISR)
+			& at91_udp_read(AT91_UDP_IMR);
 		if (!status)
 			break;
 
@@ -1379,18 +1391,17 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc, struct pt_regs *r)
 			stop_activity(udc);
 
 			/* enable ep0 */
-			at91_udp_write(AT91_UDP_CSR(0), AT91_UDP_EPEDS | AT91_UDP_EPTYPE_CTRL);
+			at91_udp_write(AT91_UDP_CSR(0),
+					AT91_UDP_EPEDS | AT91_UDP_EPTYPE_CTRL);
 			udc->gadget.speed = USB_SPEED_FULL;
 			udc->suspended = 0;
 			at91_udp_write(AT91_UDP_IER, AT91_UDP_EP(0));
 
 			/*
 			 * NOTE:  this driver keeps clocks off unless the
-			 * USB host is present.  That saves power, and also
-			 * eliminates IRQs (reset, resume, suspend) that can
-			 * otherwise flood from the controller.  If your
-			 * board doesn't support VBUS detection, suspend and
-			 * resume irq logic may need more attention...
+			 * USB host is present.  That saves power, but for
+			 * boards that don't support VBUS detection, both
+			 * clocks need to be active most of the time.
 			 */
 
 		/* host initiated suspend (3+ms bus idle) */
@@ -1452,13 +1463,19 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc, struct pt_regs *r)
 
 /*-------------------------------------------------------------------------*/
 
+static void nop_release(struct device *dev)
+{
+	/* nothing to free */
+}
+
 static struct at91_udc controller = {
 	.gadget = {
-		.ops = &at91_udc_ops,
-		.ep0 = &controller.ep[0].ep,
-		.name = driver_name,
-		.dev = {
-			.bus_id = "gadget"
+		.ops	= &at91_udc_ops,
+		.ep0	= &controller.ep[0].ep,
+		.name	= driver_name,
+		.dev	= {
+			.bus_id = "gadget",
+			.release = nop_release,
 		}
 	},
 	.ep[0] = {
@@ -1468,7 +1485,8 @@ static struct at91_udc controller = {
 		},
 		.udc		= &controller,
 		.maxpacket	= 8,
-		.creg		= (void __iomem *)(AT91_VA_BASE_UDP + AT91_UDP_CSR(0)),
+		.creg		= (void __iomem *)(AT91_VA_BASE_UDP
+					+ AT91_UDP_CSR(0)),
 		.int_mask	= 1 << 0,
 	},
 	.ep[1] = {
@@ -1479,7 +1497,8 @@ static struct at91_udc controller = {
 		.udc		= &controller,
 		.is_pingpong	= 1,
 		.maxpacket	= 64,
-		.creg		= (void __iomem *)(AT91_VA_BASE_UDP + AT91_UDP_CSR(1)),
+		.creg		= (void __iomem *)(AT91_VA_BASE_UDP
+					+ AT91_UDP_CSR(1)),
 		.int_mask	= 1 << 1,
 	},
 	.ep[2] = {
@@ -1490,7 +1509,8 @@ static struct at91_udc controller = {
 		.udc		= &controller,
 		.is_pingpong	= 1,
 		.maxpacket	= 64,
-		.creg		= (void __iomem *)(AT91_VA_BASE_UDP + AT91_UDP_CSR(2)),
+		.creg		= (void __iomem *)(AT91_VA_BASE_UDP
+					+ AT91_UDP_CSR(2)),
 		.int_mask	= 1 << 2,
 	},
 	.ep[3] = {
@@ -1501,7 +1521,8 @@ static struct at91_udc controller = {
 		},
 		.udc		= &controller,
 		.maxpacket	= 8,
-		.creg		= (void __iomem *)(AT91_VA_BASE_UDP + AT91_UDP_CSR(3)),
+		.creg		= (void __iomem *)(AT91_VA_BASE_UDP
+					+ AT91_UDP_CSR(3)),
 		.int_mask	= 1 << 3,
 	},
 	.ep[4] = {
@@ -1512,7 +1533,8 @@ static struct at91_udc controller = {
 		.udc		= &controller,
 		.is_pingpong	= 1,
 		.maxpacket	= 256,
-		.creg		= (void __iomem *)(AT91_VA_BASE_UDP + AT91_UDP_CSR(4)),
+		.creg		= (void __iomem *)(AT91_VA_BASE_UDP
+					+ AT91_UDP_CSR(4)),
 		.int_mask	= 1 << 4,
 	},
 	.ep[5] = {
@@ -1523,10 +1545,11 @@ static struct at91_udc controller = {
 		.udc		= &controller,
 		.is_pingpong	= 1,
 		.maxpacket	= 256,
-		.creg		= (void __iomem *)(AT91_VA_BASE_UDP + AT91_UDP_CSR(5)),
+		.creg		= (void __iomem *)(AT91_VA_BASE_UDP
+					+ AT91_UDP_CSR(5)),
 		.int_mask	= 1 << 5,
 	},
-	/* ep6 and ep7 are also reserved */
+	/* ep6 and ep7 are also reserved (custom silicon might use them) */
 };
 
 static irqreturn_t at91_vbus_irq(int irq, void *_udc, struct pt_regs *r)
@@ -1593,6 +1616,7 @@ int usb_gadget_unregister_driver (struct usb_gadget_driver *driver)
 
 	local_irq_disable();
 	udc->enabled = 0;
+	at91_udp_write(AT91_UDP_IDR, ~0);
 	pullup(udc, 0);
 	local_irq_enable();
 
@@ -1624,6 +1648,16 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
+	if (pdev->num_resources != 2) {
+		DBG("invalid num_resources");
+		return -ENODEV;
+	}
+	if ((pdev->resource[0].flags != IORESOURCE_MEM)
+			|| (pdev->resource[1].flags != IORESOURCE_IRQ)) {
+		DBG("invalid resource type");
+		return -ENODEV;
+	}
+
 	if (!request_mem_region(AT91_BASE_UDP, SZ_16K, driver_name)) {
 		DBG("someone's using UDC memory\n");
 		return -EBUSY;
@@ -1649,19 +1683,26 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
 	if (retval < 0)
 		goto fail0;
 
-	/* disable everything until there's a gadget driver and vbus */
-	pullup(udc, 0);
+	/* don't do anything until we have both gadget driver and VBUS */
+	clk_enable(udc->iclk);
+	at91_udp_write(AT91_UDP_TXVC, AT91_UDP_TXVC_TXVDIS);
+	at91_udp_write(AT91_UDP_IDR, 0xffffffff);
+	clk_disable(udc->iclk);
 
 	/* request UDC and maybe VBUS irqs */
-	if (request_irq(AT91_ID_UDP, at91_udc_irq, IRQF_DISABLED, driver_name, udc)) {
-		DBG("request irq %d failed\n", AT91_ID_UDP);
+	udc->udp_irq = platform_get_irq(pdev, 0);
+	if (request_irq(udc->udp_irq, at91_udc_irq,
+			IRQF_DISABLED, driver_name, udc)) {
+		DBG("request irq %d failed\n", udc->udp_irq);
 		retval = -EBUSY;
 		goto fail1;
 	}
 	if (udc->board.vbus_pin > 0) {
-		if (request_irq(udc->board.vbus_pin, at91_vbus_irq, IRQF_DISABLED, driver_name, udc)) {
-			DBG("request vbus irq %d failed\n", udc->board.vbus_pin);
-			free_irq(AT91_ID_UDP, udc);
+		if (request_irq(udc->board.vbus_pin, at91_vbus_irq,
+				IRQF_DISABLED, driver_name, udc)) {
+			DBG("request vbus irq %d failed\n",
+					udc->board.vbus_pin);
+			free_irq(udc->udp_irq, udc);
 			retval = -EBUSY;
 			goto fail1;
 		}
@@ -1670,6 +1711,7 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
 		udc->vbus = 1;
 	}
 	dev_set_drvdata(dev, udc);
+	device_init_wakeup(dev, 1);
 	create_debug_file(udc);
 
 	INFO("%s version %s\n", driver_name, DRIVER_VERSION);
@@ -1678,14 +1720,14 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
 fail1:
 	device_unregister(&udc->gadget.dev);
 fail0:
-	release_mem_region(AT91_VA_BASE_UDP, SZ_16K);
+	release_mem_region(AT91_BASE_UDP, SZ_16K);
 	DBG("%s probe failed, %d\n", driver_name, retval);
 	return retval;
 }
 
-static int __devexit at91udc_remove(struct platform_device *dev)
+static int __devexit at91udc_remove(struct platform_device *pdev)
 {
-	struct at91_udc *udc = platform_get_drvdata(dev);
+	struct at91_udc *udc = platform_get_drvdata(pdev);
 
 	DBG("remove\n");
 
@@ -1694,10 +1736,11 @@ static int __devexit at91udc_remove(struct platform_device *dev)
 	if (udc->driver != 0)
 		usb_gadget_unregister_driver(udc->driver);
 
+	device_init_wakeup(&pdev->dev, 0);
 	remove_debug_file(udc);
 	if (udc->board.vbus_pin > 0)
 		free_irq(udc->board.vbus_pin, udc);
-	free_irq(AT91_ID_UDP, udc);
+	free_irq(udc->udp_irq, udc);
 	device_unregister(&udc->gadget.dev);
 	release_mem_region(AT91_BASE_UDP, SZ_16K);
 
@@ -1708,31 +1751,36 @@ static int __devexit at91udc_remove(struct platform_device *dev)
 }
 
 #ifdef CONFIG_PM
-static int at91udc_suspend(struct platform_device *dev, pm_message_t mesg)
+static int at91udc_suspend(struct platform_device *pdev, pm_message_t mesg)
 {
-	struct at91_udc *udc = platform_get_drvdata(dev);
+	struct at91_udc *udc = platform_get_drvdata(pdev);
+	int		wake = udc->driver && device_may_wakeup(&pdev->dev);
 
-	/*
-	 * The "safe" suspend transitions are opportunistic ... e.g. when
-	 * the USB link is suspended (48MHz clock autogated off), or when
-	 * it's disconnected (programmatically gated off, elsewhere).
-	 * Then we can suspend, and the chip can enter slow clock mode.
-	 *
-	 * The problem case is some component (user mode?) suspending this
-	 * device while it's active, with the 48 MHz clock in use.  There
-	 * are two basic approaches:  (a) veto suspend levels involving slow
-	 * clock mode, (b) disconnect, so 48 MHz will no longer be in use
-	 * and we can enter slow clock mode.  This uses (b) for now, since
-	 * it's simplest until AT91 PM exists and supports the other option.
+	/* Unless we can act normally to the host (letting it wake us up
+	 * whenever it has work for us) force disconnect.  Wakeup requires
+	 * PLLB for USB events (signaling for reset, wakeup, or incoming
+	 * tokens) and VBUS irqs (on systems which support them).
 	 */
-	if (udc->vbus && !udc->suspended)
+	if ((!udc->suspended && udc->addr)
+			|| !wake
+			|| at91_suspend_entering_slow_clock()) {
 		pullup(udc, 0);
+		disable_irq_wake(udc->udp_irq);
+	} else
+		enable_irq_wake(udc->udp_irq);
+
+	if (udc->board.vbus_pin > 0) {
+		if (wake)
+			enable_irq_wake(udc->board.vbus_pin);
+		else
+			disable_irq_wake(udc->board.vbus_pin);
+	}
 	return 0;
 }
 
-static int at91udc_resume(struct platform_device *dev)
+static int at91udc_resume(struct platform_device *pdev)
 {
-	struct at91_udc *udc = platform_get_drvdata(dev);
+	struct at91_udc *udc = platform_get_drvdata(pdev);
 
 	/* maybe reconnect to host; if so, clocks on */
 	pullup(udc, 1);
@@ -1748,7 +1796,7 @@ static struct platform_driver at91_udc = {
 	.remove		= __devexit_p(at91udc_remove),
 	.shutdown	= at91udc_shutdown,
 	.suspend	= at91udc_suspend,
-	.resume 	= at91udc_resume,
+	.resume		= at91udc_resume,
 	.driver		= {
 		.name	= (char *) driver_name,
 		.owner	= THIS_MODULE,
@@ -1767,6 +1815,6 @@ static void __devexit udc_exit_module(void)
 }
 module_exit(udc_exit_module);
 
-MODULE_DESCRIPTION("AT91RM9200 udc driver");
+MODULE_DESCRIPTION("AT91 udc driver");
 MODULE_AUTHOR("Thomas Rathbone, David Brownell");
 MODULE_LICENSE("GPL");
diff --git a/drivers/usb/gadget/at91_udc.h b/drivers/usb/gadget/at91_udc.h
index 5a4799cedd19..882af42e86cc 100644
--- a/drivers/usb/gadget/at91_udc.h
+++ b/drivers/usb/gadget/at91_udc.h
@@ -141,6 +141,7 @@ struct at91_udc {
 	struct clk			*iclk, *fclk;
 	struct platform_device		*pdev;
 	struct proc_dir_entry		*pde;
+	int				udp_irq;
 };
 
 static inline struct at91_udc *to_udc(struct usb_gadget *g)
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 4be47195bd38..7d1c22c34957 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -609,7 +609,8 @@ static int dummy_dequeue (struct usb_ep *_ep, struct usb_request *_req)
 	if (!dum->driver)
 		return -ESHUTDOWN;
 
-	spin_lock_irqsave (&dum->lock, flags);
+	local_irq_save (flags);
+	spin_lock (&dum->lock);
 	list_for_each_entry (req, &ep->queue, queue) {
 		if (&req->req == _req) {
 			list_del_init (&req->queue);
@@ -618,7 +619,7 @@ static int dummy_dequeue (struct usb_ep *_ep, struct usb_request *_req)
 			break;
 		}
 	}
-	spin_unlock_irqrestore (&dum->lock, flags);
+	spin_unlock (&dum->lock);
 
 	if (retval == 0) {
 		dev_dbg (udc_dev(dum),
@@ -626,6 +627,7 @@ static int dummy_dequeue (struct usb_ep *_ep, struct usb_request *_req)
 				req, _ep->name, _req->length, _req->buf);
 		_req->complete (_ep, _req);
 	}
+	local_irq_restore (flags);
 	return retval;
 }
 
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 85b0b4ad4c16..d63177a8eaea 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -892,7 +892,7 @@ MODULE_LICENSE ("GPL");
 #define	PCI_DRIVER		ehci_pci_driver
 #endif
 
-#ifdef CONFIG_PPC_83xx
+#ifdef CONFIG_MPC834x
 #include "ehci-fsl.c"
 #define	PLATFORM_DRIVER		ehci_fsl_driver
 #endif
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index cdbafb710000..85cc059705a6 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -4,7 +4,7 @@
  *  Copyright (C) 2004 SAN People (Pty) Ltd.
  *  Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
  *
- * AT91RM9200 Bus Glue
+ * AT91 Bus Glue
  *
  * Based on fragments of 2.4 driver by Rick Bronson.
  * Based on ohci-omap.c
@@ -19,12 +19,13 @@
 #include <asm/hardware.h>
 #include <asm/arch/board.h>
 
-#ifndef CONFIG_ARCH_AT91RM9200
-#error "CONFIG_ARCH_AT91RM9200 must be defined."
+#ifndef CONFIG_ARCH_AT91
+#error "CONFIG_ARCH_AT91 must be defined."
 #endif
 
 /* interface and function clocks */
 static struct clk *iclk, *fclk;
+static int clocked;
 
 extern int usb_disabled(void);
 
@@ -35,13 +36,14 @@ static void at91_start_hc(struct platform_device *pdev)
 	struct usb_hcd *hcd = platform_get_drvdata(pdev);
 	struct ohci_regs __iomem *regs = hcd->regs;
 
-	dev_dbg(&pdev->dev, "starting AT91RM9200 OHCI USB Controller\n");
+	dev_dbg(&pdev->dev, "start\n");
 
 	/*
 	 * Start the USB clocks.
 	 */
 	clk_enable(iclk);
 	clk_enable(fclk);
+	clocked = 1;
 
 	/*
 	 * The USB host controller must remain in reset.
@@ -54,7 +56,7 @@ static void at91_stop_hc(struct platform_device *pdev)
 	struct usb_hcd *hcd = platform_get_drvdata(pdev);
 	struct ohci_regs __iomem *regs = hcd->regs;
 
-	dev_dbg(&pdev->dev, "stopping AT91RM9200 OHCI USB Controller\n");
+	dev_dbg(&pdev->dev, "stop\n");
 
 	/*
 	 * Put the USB host controller into reset.
@@ -66,6 +68,7 @@ static void at91_stop_hc(struct platform_device *pdev)
 	 */
 	clk_disable(fclk);
 	clk_disable(iclk);
+	clocked = 0;
 }
 
 
@@ -78,14 +81,15 @@ static int usb_hcd_at91_remove (struct usb_hcd *, struct platform_device *);
 
 
 /**
- * usb_hcd_at91_probe - initialize AT91RM9200-based HCDs
+ * usb_hcd_at91_probe - initialize AT91-based HCDs
  * Context: !in_interrupt()
  *
  * Allocates basic resources for this USB host controller, and
  * then invokes the start() method for the HCD associated with it
  * through the hotplug entry's driver_data.
  */
-int usb_hcd_at91_probe (const struct hc_driver *driver, struct platform_device *pdev)
+static int usb_hcd_at91_probe(const struct hc_driver *driver,
+			struct platform_device *pdev)
 {
 	int retval;
 	struct usb_hcd *hcd = NULL;
@@ -95,12 +99,13 @@ int usb_hcd_at91_probe (const struct hc_driver *driver, struct platform_device *
 		return -ENODEV;
 	}
 
-	if ((pdev->resource[0].flags != IORESOURCE_MEM) || (pdev->resource[1].flags != IORESOURCE_IRQ)) {
+	if ((pdev->resource[0].flags != IORESOURCE_MEM)
+			|| (pdev->resource[1].flags != IORESOURCE_IRQ)) {
 		pr_debug("hcd probe: invalid resource type\n");
 		return -ENODEV;
 	}
 
-	hcd = usb_create_hcd(driver, &pdev->dev, "at91rm9200");
+	hcd = usb_create_hcd(driver, &pdev->dev, "at91");
 	if (!hcd)
 		return -ENOMEM;
 	hcd->rsrc_start = pdev->resource[0].start;
@@ -149,21 +154,23 @@ int usb_hcd_at91_probe (const struct hc_driver *driver, struct platform_device *
 /* may be called with controller, bus, and devices active */
 
 /**
- * usb_hcd_at91_remove - shutdown processing for AT91RM9200-based HCDs
+ * usb_hcd_at91_remove - shutdown processing for AT91-based HCDs
  * @dev: USB Host Controller being removed
  * Context: !in_interrupt()
  *
  * Reverses the effect of usb_hcd_at91_probe(), first invoking
  * the HCD's stop() method.  It is always called from a thread
- * context, normally "rmmod", "apmd", or something similar.
+ * context, "rmmod" or something similar.
  *
  */
-static int usb_hcd_at91_remove (struct usb_hcd *hcd, struct platform_device *pdev)
+static int usb_hcd_at91_remove(struct usb_hcd *hcd,
+				struct platform_device *pdev)
 {
 	usb_remove_hcd(hcd);
 	at91_stop_hc(pdev);
 	iounmap(hcd->regs);
 	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+	disable_irq_wake(hcd->irq);
 
 	clk_put(fclk);
 	clk_put(iclk);
@@ -178,19 +185,21 @@ static int usb_hcd_at91_remove (struct usb_hcd *hcd, struct platform_device *pde
 static int __devinit
 ohci_at91_start (struct usb_hcd *hcd)
 {
-//	struct at91_ohci_data	*board = hcd->self.controller->platform_data;
+	struct at91_usbh_data	*board = hcd->self.controller->platform_data;
 	struct ohci_hcd		*ohci = hcd_to_ohci (hcd);
+	struct usb_device	*root = hcd->self.root_hub;
 	int			ret;
 
 	if ((ret = ohci_init(ohci)) < 0)
 		return ret;
 
+	root->maxchild = board->ports;
+
 	if ((ret = ohci_run(ohci)) < 0) {
 		err("can't start %s", hcd->self.bus_name);
 		ohci_stop(hcd);
 		return ret;
 	}
-//	hcd->self.root_hub->maxchild = board->ports;
 	return 0;
 }
 
@@ -198,7 +207,7 @@ ohci_at91