Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

9 files changed, 321 insertions, 58 deletions

diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index d66867aa527..26ed757d22a 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -41,8 +41,6 @@
 #endif
 #define USBH_DISABLE      (USB_MCFG_EBMEN | USB_MCFG_EMEMEN)
 
-#endif				/* Au1200 */
-
 extern int usb_disabled(void);
 
 /*-------------------------------------------------------------------------*/
@@ -107,9 +105,9 @@ int usb_ehci_au1xxx_probe(const struct hc_driver *driver,
 
 	/* Au1200 AB USB does not support coherent memory */
 	if (!(read_c0_prid() & 0xff)) {
-		pr_info("%s: this is chip revision AB!\n", dev->dev.name);
+		pr_info("%s: this is chip revision AB!\n", dev->name);
 		pr_info("%s: update your board or re-configure the kernel\n",
-			dev->dev.name);
+			dev->name);
 		return -ENODEV;
 	}
 #endif
@@ -228,9 +226,8 @@ static const struct hc_driver ehci_au1xxx_hc_driver = {
 
 /*-------------------------------------------------------------------------*/
 
-static int ehci_hcd_au1xxx_drv_probe(struct device *dev)
+static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
 	struct usb_hcd *hcd = NULL;
 	int ret;
 
@@ -243,10 +240,9 @@ static int ehci_hcd_au1xxx_drv_probe(struct device *dev)
 	return ret;
 }
 
-static int ehci_hcd_au1xxx_drv_remove(struct device *dev)
+static int ehci_hcd_au1xxx_drv_remove(struct platform_device *pdev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct usb_hcd *hcd = dev_get_drvdata(dev);
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
 
 	usb_ehci_au1xxx_remove(hcd, pdev);
 	return 0;
@@ -269,12 +265,13 @@ static int ehci_hcd_au1xxx_drv_resume(struct device *dev)
 }
 */
 MODULE_ALIAS("au1xxx-ehci");
-/* FIXME use "struct platform_driver" */
-static struct device_driver ehci_hcd_au1xxx_driver = {
-	.name = "au1xxx-ehci",
-	.bus = &platform_bus_type,
+static struct platform_driver ehci_hcd_au1xxx_driver = {
 	.probe = ehci_hcd_au1xxx_drv_probe,
 	.remove = ehci_hcd_au1xxx_drv_remove,
 	/*.suspend      = ehci_hcd_au1xxx_drv_suspend, */
 	/*.resume       = ehci_hcd_au1xxx_drv_resume, */
+	.driver = {
+		.name = "au1xxx-ehci",
+		.bus = &platform_bus_type
+	}
 };
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index cee6f538de0..d63177a8eae 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -625,10 +625,11 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd, struct pt_regs *regs)
 			writel (status | CMD_RUN, &ehci->regs->command);
 
 		while (i--) {
-			status = readl (&ehci->regs->port_status [i]);
-			if (status & PORT_OWNER)
+			int pstatus = readl (&ehci->regs->port_status [i]);
+
+			if (pstatus & PORT_OWNER)
 				continue;
-			if (!(status & PORT_RESUME)
+			if (!(pstatus & PORT_RESUME)
 					|| ehci->reset_done [i] != 0)
 				continue;
 
@@ -891,7 +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 cdbafb71000..85cc059705a 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_start (struct usb_hcd *hcd)
 
 static const struct hc_driver ohci_at91_hc_driver = {
 	.description =		hcd_name,
-	.product_desc =		"AT91RM9200 OHCI",
+	.product_desc =		"AT91 OHCI",
 	.hcd_priv_size =	sizeof(struct ohci_hcd),
 
 	/*
@@ -240,33 +249,54 @@ static const struct hc_driver ohci_at91_hc_driver = {
 
 /*-------------------------------------------------------------------------*/
 
-static int ohci_hcd_at91_drv_probe(struct platform_device *dev)
+static int ohci_hcd_at91_drv_probe(struct platform_device *pdev)
 {
-	return usb_hcd_at91_probe(&ohci_at91_hc_driver, dev);
+	device_init_wakeup(&pdev->dev, 1);
+	return usb_hcd_at91_probe(&ohci_at91_hc_driver, pdev);
 }
 
-static int ohci_hcd_at91_drv_remove(struct platform_device *dev)
+static int ohci_hcd_at91_drv_remove(struct platform_device *pdev)
 {
-	return usb_hcd_at91_remove(platform_get_drvdata(dev), dev);
+	device_init_wakeup(&pdev->dev, 0);
+	return usb_hcd_at91_remove(platform_get_drvdata(pdev), pdev);
 }
 
 #ifdef CONFIG_PM
 
-/* REVISIT suspend/resume look "too" simple here */
-
 static int
-ohci_hcd_at91_drv_suspend(struct platform_device *dev, pm_message_t mesg)
+ohci_hcd_at91_drv_suspend(struct platform_device *pdev, pm_message_t mesg)
 {
-	clk_disable(fclk);
-	clk_disable(iclk);
+	struct usb_hcd	*hcd = platform_get_drvdata(pdev);
+	struct ohci_hcd	*ohci = hcd_to_ohci(hcd);
+
+	if (device_may_wakeup(&pdev->dev))
+		enable_irq_wake(hcd->irq);
+	else
+		disable_irq_wake(hcd->irq);
+
+	/*
+	 * The integrated transceivers seem unable to notice disconnect,
+	 * reconnect, or wakeup without the 48 MHz clock active.  so for
+	 * correctness, always discard connection state (using reset).
+	 *
+	 * REVISIT: some boards will be able to turn VBUS off...
+	 */
+	if (at91_suspend_entering_slow_clock()) {
+		ohci_usb_reset (ohci);
+		clk_disable(fclk);
+		clk_disable(iclk);
+		clocked = 0;
+	}
 
 	return 0;
 }
 
-static int ohci_hcd_at91_drv_resume(struct platform_device *dev)
+static int ohci_hcd_at91_drv_resume(struct platform_device *pdev)
 {
-	clk_enable(iclk);
-	clk_enable(fclk);
+	if (!clocked) {
+		clk_enable(iclk);
+		clk_enable(fclk);
+	}
 
 	return 0;
 }
@@ -275,7 +305,7 @@ static int ohci_hcd_at91_drv_resume(struct platform_device *dev)
 #define ohci_hcd_at91_drv_resume  NULL
 #endif
 
-MODULE_ALIAS("at91rm9200-ohci");
+MODULE_ALIAS("at91_ohci");
 
 static struct platform_driver ohci_hcd_at91_driver = {
 	.probe		= ohci_hcd_at91_drv_probe,
@@ -283,7 +313,7 @@ static struct platform_driver ohci_hcd_at91_driver = {
 	.suspend	= ohci_hcd_at91_drv_suspend,
 	.resume		= ohci_hcd_at91_drv_resume,
 	.driver		= {
-		.name	= "at91rm9200-ohci",
+		.name	= "at91_ohci",
 		.owner	= THIS_MODULE,
 	},
 };
diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c
index 689261e4401..f7a975d5db0 100644
--- a/drivers/usb/host/ohci-au1xxx.c
+++ b/drivers/usb/host/ohci-au1xxx.c
@@ -101,9 +101,11 @@ static void au1xxx_start_ohc(struct platform_device *dev)
 
 #endif  /* Au1200 */
 
+#ifndef CONFIG_SOC_AU1200
 	/* wait for reset complete (read register twice; see au1500 errata) */
 	while (au_readl(USB_HOST_CONFIG),
 		!(au_readl(USB_HOST_CONFIG) & USBH_ENABLE_RD))
+#endif
 		udelay(1000);
 
 	printk(KERN_DEBUG __FILE__
@@ -157,9 +159,9 @@ static int usb_ohci_au1xxx_probe(const struct hc_driver *driver,
 	/* Au1200 AB USB does not support coherent memory */
 	if (!(read_c0_prid() & 0xff)) {
 		pr_info("%s: this is chip revision AB !!\n",
-			dev->dev.name);
+			dev->name);
 		pr_info("%s: update your board or re-configure the kernel\n",
-			dev->dev.name);
+			dev->name);
 		return -ENODEV;
 	}
 #endif
diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c
new file mode 100644
index 00000000000..6531c4d2652
--- /dev/null
+++ b/drivers/usb/host/ohci-ep93xx.c
@@ -0,0 +1,225 @@
+/*
+ * OHCI HCD (Host Controller Driver) for USB.
+ *
+ * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
+ * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
+ * (C) Copyright 2002 Hewlett-Packard Company
+ *
+ * Bus Glue for ep93xx.
+ *
+ * Written by Christopher Hoover <ch@hpl.hp.com>
+ * Based on fragments of previous driver by Russell King et al.
+ *
+ * Modified for LH7A404 from ohci-sa1111.c
+ *  by Durgesh Pattamatta <pattamattad@sharpsec.com>
+ *
+ * Modified for pxa27x from ohci-lh7a404.c
+ *  by Nick Bane <nick@cecomputing.co.uk> 26-8-2004
+ *
+ * Modified for ep93xx from ohci-pxa27x.c
+ *  by Lennert Buytenhek <buytenh@wantstofly.org> 28-2-2006
+ *  Based on an earlier driver by Ray Lehtiniemi
+ *
+ * This file is licenced under the GPL.
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/signal.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware.h>
+
+static struct clk *usb_host_clock;
+
+static void ep93xx_start_hc(struct device *dev)
+{
+	clk_enable(usb_host_clock);
+}
+
+static void ep93xx_stop_hc(struct device *dev)
+{
+	clk_disable(usb_host_clock);
+}
+
+static int usb_hcd_ep93xx_probe(const struct hc_driver *driver,
+			 struct platform_device *pdev)
+{
+	int retval;
+	struct usb_hcd *hcd;
+
+	if (pdev->resource[1].flags != IORESOURCE_IRQ) {
+		pr_debug("resource[1] is not IORESOURCE_IRQ");
+		return -ENOMEM;
+	}
+
+	hcd = usb_create_hcd(driver, &pdev->dev, "ep93xx");
+	if (hcd == NULL)
+		return -ENOMEM;
+
+	hcd->rsrc_start = pdev->resource[0].start;
+	hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
+	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+		usb_put_hcd(hcd);
+		retval = -EBUSY;
+		goto err1;
+	}
+
+	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+	if (hcd->regs == NULL) {
+		pr_debug("ioremap failed");
+		retval = -ENOMEM;
+		goto err2;
+	}
+
+	usb_host_clock = clk_get(&pdev->dev, "usb_host");
+	ep93xx_start_hc(&pdev->dev);
+
+	ohci_hcd_init(hcd_to_ohci(hcd));
+
+	retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT);
+	if (retval == 0)
+		return retval;
+
+	ep93xx_stop_hc(&pdev->dev);
+	iounmap(hcd->regs);
+err2:
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err1:
+	usb_put_hcd(hcd);
+
+	return retval;
+}
+
+static void usb_hcd_ep93xx_remove(struct usb_hcd *hcd,
+			struct platform_device *pdev)
+{
+	usb_remove_hcd(hcd);
+	ep93xx_stop_hc(&pdev->dev);
+	clk_put(usb_host_clock);
+	iounmap(hcd->regs);
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+	usb_put_hcd(hcd);
+}
+
+static int __devinit ohci_ep93xx_start(struct usb_hcd *hcd)
+{
+	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+	int ret;
+
+	if ((ret = ohci_init(ohci)) < 0)
+		return ret;
+
+	if ((ret = ohci_run(ohci)) < 0) {
+		err("can't start %s", hcd->self.bus_name);
+		ohci_stop(hcd);
+		return ret;
+	}
+
+	return 0;
+}
+
+static struct hc_driver ohci_ep93xx_hc_driver = {
+	.description		= hcd_name,
+	.product_desc		= "EP93xx OHCI",
+	.hcd_priv_size		= sizeof(struct ohci_hcd),
+	.irq			= ohci_irq,
+	.flags			= HCD_USB11 | HCD_MEMORY,
+	.start			= ohci_ep93xx_start,
+	.stop			= ohci_stop,
+	.urb_enqueue		= ohci_urb_enqueue,
+	.urb_dequeue		= ohci_urb_dequeue,
+	.endpoint_disable	= ohci_endpoint_disable,
+	.get_frame_number	= ohci_get_frame,
+	.hub_status_data	= ohci_hub_status_data,
+	.hub_control		= ohci_hub_control,
+#ifdef CONFIG_PM
+	.bus_suspend		= ohci_bus_suspend,
+	.bus_resume		= ohci_bus_resume,
+#endif
+	.start_port_reset	= ohci_start_port_reset,
+};
+
+extern int usb_disabled(void);
+
+static int ohci_hcd_ep93xx_drv_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = -ENODEV;
+	if (!usb_disabled())
+		ret = usb_hcd_ep93xx_probe(&ohci_ep93xx_hc_driver, pdev);
+
+	return ret;
+}
+
+static int ohci_hcd_ep93xx_drv_remove(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+	usb_hcd_ep93xx_remove(hcd, pdev);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int ohci_hcd_ep93xx_drv_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
+	struct ochi_hcd *ohci = hcd_to_ohci(hcd);
+
+	if (time_before(jiffies, ohci->next_statechange))
+		msleep(5);
+	ohci->next_statechange = jiffies;
+
+	ep93xx_stop_hc(&pdev->dev);
+	hcd->state = HC_STATE_SUSPENDED;
+	pdev->dev.power.power_state = PMSG_SUSPEND;
+
+	return 0;
+}
+
+static int ohci_hcd_ep93xx_drv_resume(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
+	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+	int status;
+
+	if (time_before(jiffies, ohci->next_statechange))
+		msleep(5);
+	ohci->next_statechange = jiffies;
+
+	ep93xx_start_hc(&pdev->dev);
+	pdev->dev.power.power_state = PMSG_ON;
+	usb_hcd_resume_root_hub(hcd);
+
+	return 0;
+}
+#endif
+
+
+static struct platform_driver ohci_hcd_ep93xx_driver = {
+	.probe		= ohci_hcd_ep93xx_drv_probe,
+	.remove		= ohci_hcd_ep93xx_drv_remove,
+#ifdef CONFIG_PM
+	.suspend	= ohci_hcd_ep93xx_drv_suspend,
+	.resume		= ohci_hcd_ep93xx_drv_resume,
+#endif
+	.driver		= {
+		.name	= "ep93xx-ohci",
+	},
+};
+
+static int __init ohci_hcd_ep93xx_init(void)
+{
+	return platform_driver_register(&ohci_hcd_ep93xx_driver);
+}
+
+static void __exit ohci_hcd_ep93xx_cleanup(void)
+{
+	platform_driver_unregister(&ohci_hcd_ep93xx_driver);
+}
+
+module_init(ohci_hcd_ep93xx_init);
+module_exit(ohci_hcd_ep93xx_cleanup);
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 8fb842ed5f6..94d8cf4b36c 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -901,6 +901,10 @@ MODULE_LICENSE ("GPL");
 #include "ohci-pxa27x.c"
 #endif
 
+#ifdef CONFIG_ARCH_EP93XX
+#include "ohci-ep93xx.c"
+#endif
+
 #ifdef CONFIG_SOC_AU1X00
 #include "ohci-au1xxx.c"
 #endif
@@ -909,7 +913,7 @@ MODULE_LICENSE ("GPL");
 #include "ohci-ppc-soc.c"
 #endif
 
-#ifdef CONFIG_ARCH_AT91RM9200
+#if defined(CONFIG_ARCH_AT91RM9200) || defined(CONFIG_ARCH_AT91SAM9261)
 #include "ohci-at91.c"
 #endif
 
@@ -919,9 +923,11 @@ MODULE_LICENSE ("GPL");
       || defined(CONFIG_ARCH_OMAP) \
       || defined (CONFIG_ARCH_LH7A404) \
       || defined (CONFIG_PXA27x) \
+      || defined (CONFIG_ARCH_EP93XX) \
       || defined (CONFIG_SOC_AU1X00) \
       || defined (CONFIG_USB_OHCI_HCD_PPC_SOC) \
       || defined (CONFIG_ARCH_AT91RM9200) \
+      || defined (CONFIG_ARCH_AT91SAM9261) \
 	)
 #error "missing bus glue for ohci-hcd"
 #endif
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 0bb972b5833..5b0a23fd798 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -581,14 +581,14 @@ static int ohci_hub_control (
 		break;
 	case GetHubStatus:
 		temp = roothub_status (ohci) & ~(RH_HS_CRWE | RH_HS_DRWE);
-		*(__le32 *) buf = cpu_to_le32 (temp);
+		put_unaligned(cpu_to_le32 (temp), (__le32 *) buf);
 		break;
 	case GetPortStatus:
 		if (!wIndex || wIndex > ports)
 			goto error;
 		wIndex--;
 		temp = roothub_portstatus (ohci, wIndex);
-		*(__le32 *) buf = cpu_to_le32 (temp);
+		put_unaligned(cpu_to_le32 (temp), (__le32 *) buf);
 
 #ifndef	OHCI_VERBOSE_DEBUG
 	if (*(u16*)(buf+2))	/* only if wPortChange is interesting */
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index dff60568b4a..20861650905 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -167,8 +167,6 @@ static int __devinit mmio_resource_enabled(struct pci_dev *pdev, int idx)
 static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 {
 	void __iomem *base;
-	int wait_time;
-	u32 control;
 
 	if (!mmio_resource_enabled(pdev, 0))
 		return;
@@ -179,9 +177,10 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 
 /* On PA-RISC, PDC can leave IR set incorrectly; ignore it there. */
 #ifndef __hppa__
-	control = readl(base + OHCI_CONTROL);
+{
+	u32 control = readl(base + OHCI_CONTROL);
 	if (control & OHCI_CTRL_IR) {
-		wait_time = 500; /* arbitrary; 5 seconds */
+		int wait_time = 500; /* arbitrary; 5 seconds */
 		writel(OHCI_INTR_OC, base + OHCI_INTRENABLE);
 		writel(OHCI_OCR, base + OHCI_CMDSTATUS);
 		while (wait_time > 0 &&
@@ -198,6 +197,7 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev)
 		/* reset controller, preserving RWC */
 		writel(control & OHCI_CTRL_RWC, base + OHCI_CONTROL);
 	}
+}
 #endif
 
 	/*
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index c9d72ac0a1d..431e8f31f1a 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -372,7 +372,7 @@ static void uhci_fixup_toggles(struct uhci_qh *qh, int skip_first)
 		 * need to change any toggles in this URB */
 		td = list_entry(urbp->td_list.next, struct uhci_td, list);
 		if (toggle > 1 || uhci_toggle(td_token(td)) == toggle) {
-			td = list_entry(urbp->td_list.next, struct uhci_td,
+			td = list_entry(urbp->td_list.prev, struct uhci_td,
 					list);
 			toggle = uhci_toggle(td_token(td)) ^ 1;
 
@@ -943,7 +943,9 @@ static int uhci_result_common(struct uhci_hcd *uhci, struct urb *urb)
 			/* We received a short packet */
 			if (urb->transfer_flags & URB_SHORT_NOT_OK)
 				ret = -EREMOTEIO;
-			else if (ctrlstat & TD_CTRL_SPD)
+
+			/* Fixup needed only if this isn't the URB's last TD */
+			else if (&td->list != urbp->td_list.prev)
 				ret = 1;
 		}
 
@@ -1346,7 +1348,7 @@ static void uhci_scan_qh(struct uhci_hcd *uhci, struct uhci_qh *qh,
 		}
 
 		uhci_giveback_urb(uhci, qh, urb, regs);
-		if (status < 0)
+		if (status < 0 && qh->type != USB_ENDPOINT_XFER_ISOC)
 			break;
 	}