24 files changed, 514 insertions, 451 deletions

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 91413cac97be..dd045173ab79 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -130,7 +130,7 @@ config USB_FSL_MPH_DR_OF
 	tristate
 
 config USB_EHCI_FSL
-	bool "Support for Freescale on-chip EHCI USB controller"
+	bool "Support for Freescale PPC on-chip EHCI USB controller"
 	depends on USB_EHCI_HCD && FSL_SOC
 	select USB_EHCI_ROOT_HUB_TT
 	select USB_FSL_MPH_DR_OF if OF
@@ -138,7 +138,7 @@ config USB_EHCI_FSL
 	  Variation of ARC USB block used in some Freescale chips.
 
 config USB_EHCI_MXC
-	bool "Support for Freescale on-chip EHCI USB controller"
+	bool "Support for Freescale i.MX on-chip EHCI USB controller"
 	depends on USB_EHCI_HCD && ARCH_MXC
 	select USB_EHCI_ROOT_HUB_TT
 	---help---
@@ -196,7 +196,7 @@ config USB_EHCI_S5P
 
 config USB_EHCI_MV
 	bool "EHCI support for Marvell on-chip controller"
-	depends on USB_EHCI_HCD
+	depends on USB_EHCI_HCD && (ARCH_PXA || ARCH_MMP)
 	select USB_EHCI_ROOT_HUB_TT
 	---help---
 	  Enables support for Marvell (including PXA and MMP series) on-chip
@@ -546,7 +546,7 @@ config USB_RENESAS_USBHS_HCD
 config USB_WHCI_HCD
 	tristate "Wireless USB Host Controller Interface (WHCI) driver (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
-	depends on PCI && USB
+	depends on PCI && USB && UWB
 	select USB_WUSB
 	select UWB_WHCI
 	help
@@ -559,7 +559,7 @@ config USB_WHCI_HCD
 config USB_HWA_HCD
 	tristate "Host Wire Adapter (HWA) driver (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
-	depends on USB
+	depends on USB && UWB
 	select USB_WUSB
 	select UWB_HWA
 	help
@@ -606,10 +606,3 @@ config USB_OCTEON_OHCI
 config USB_OCTEON2_COMMON
 	bool
 	default y if USB_OCTEON_EHCI || USB_OCTEON_OHCI
-
-config USB_PXA168_EHCI
-	bool "Marvell PXA168 on-chip EHCI HCD support"
-	depends on USB_EHCI_HCD && ARCH_MMP
-	help
-	  Enable support for Marvell PXA168 SoC's on-chip EHCI
-	  host controller
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index d6d74d2e09f4..fd9109d7eb0e 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -107,7 +107,7 @@ static void dbg_hcc_params (struct ehci_hcd *ehci, char *label)
 			HCC_PER_PORT_CHANGE_EVENT(params) ? " ppce" : "",
 			HCC_HW_PREFETCH(params) ? " hw prefetch" : "",
 			HCC_32FRAME_PERIODIC_LIST(params) ?
-				" 32 peridic list" : "");
+				" 32 periodic list" : "");
 	}
 }
 #else
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index e90344a17631..7a15c2235758 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -125,7 +125,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
 	 */
 	if (pdata->init && pdata->init(pdev)) {
 		retval = -ENODEV;
-		goto err3;
+		goto err4;
 	}
 
 	/* Enable USB controller, 83xx or 8536 */
@@ -216,6 +216,8 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
 			       unsigned int port_offset)
 {
 	u32 portsc;
+	struct usb_hcd *hcd = ehci_to_hcd(ehci);
+	void __iomem *non_ehci = hcd->regs;
 
 	portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]);
 	portsc &= ~(PORT_PTS_MSK | PORT_PTS_PTW);
@@ -231,6 +233,8 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
 		portsc |= PORT_PTS_PTW;
 		/* fall through */
 	case FSL_USB2_PHY_UTMI:
+		/* enable UTMI PHY */
+		setbits32(non_ehci + FSL_SOC_USB_CTRL, CTRL_UTMI_PHY_EN);
 		portsc |= PORT_PTS_UTMI;
 		break;
 	case FSL_USB2_PHY_NONE:
@@ -239,7 +243,7 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
 	ehci_writel(ehci, portsc, &ehci->regs->port_status[port_offset]);
 }
 
-static void ehci_fsl_usb_setup(struct ehci_hcd *ehci)
+static int ehci_fsl_usb_setup(struct ehci_hcd *ehci)
 {
 	struct usb_hcd *hcd = ehci_to_hcd(ehci);
 	struct fsl_usb2_platform_data *pdata;
@@ -252,21 +256,18 @@ static void ehci_fsl_usb_setup(struct ehci_hcd *ehci)
 	if (pdata->have_sysif_regs) {
 		temp = in_be32(non_ehci + FSL_SOC_USB_CTRL);
 		out_be32(non_ehci + FSL_SOC_USB_CTRL, temp | 0x00000004);
-		out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0000001b);
-	}
 
-#if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE)
-	/*
-	 * Turn on cache snooping hardware, since some PowerPC platforms
-	 * wholly rely on hardware to deal with cache coherent
-	 */
+		/*
+		* Turn on cache snooping hardware, since some PowerPC platforms
+		* wholly rely on hardware to deal with cache coherent
+		*/
 
-	/* Setup Snooping for all the 4GB space */
-	/* SNOOP1 starts from 0x0, size 2G */
-	out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0 | SNOOP_SIZE_2GB);
-	/* SNOOP2 starts from 0x80000000, size 2G */
-	out_be32(non_ehci + FSL_SOC_USB_SNOOP2, 0x80000000 | SNOOP_SIZE_2GB);
-#endif
+		/* Setup Snooping for all the 4GB space */
+		/* SNOOP1 starts from 0x0, size 2G */
+		out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0 | SNOOP_SIZE_2GB);
+		/* SNOOP2 starts from 0x80000000, size 2G */
+		out_be32(non_ehci + FSL_SOC_USB_SNOOP2, 0x80000000 | SNOOP_SIZE_2GB);
+	}
 
 	if ((pdata->operating_mode == FSL_USB2_DR_HOST) ||
 			(pdata->operating_mode == FSL_USB2_DR_OTG))
@@ -299,12 +300,19 @@ static void ehci_fsl_usb_setup(struct ehci_hcd *ehci)
 #endif
 		out_be32(non_ehci + FSL_SOC_USB_SICTRL, 0x00000001);
 	}
+
+	if (!(in_be32(non_ehci + FSL_SOC_USB_CTRL) & CTRL_PHY_CLK_VALID)) {
+		printk(KERN_WARNING "fsl-ehci: USB PHY clock invalid\n");
+		return -ENODEV;
+	}
+	return 0;
 }
 
 /* called after powerup, by probe or system-pm "wakeup" */
 static int ehci_fsl_reinit(struct ehci_hcd *ehci)
 {
-	ehci_fsl_usb_setup(ehci);
+	if (ehci_fsl_usb_setup(ehci))
+		return -ENODEV;
 	ehci_port_power(ehci, 0);
 
 	return 0;
@@ -316,7 +324,9 @@ static int ehci_fsl_setup(struct usb_hcd *hcd)
 	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
 	int retval;
 	struct fsl_usb2_platform_data *pdata;
+	struct device *dev;
 
+	dev = hcd->self.controller;
 	pdata = hcd->self.controller->platform_data;
 	ehci->big_endian_desc = pdata->big_endian_desc;
 	ehci->big_endian_mmio = pdata->big_endian_mmio;
@@ -346,6 +356,16 @@ static int ehci_fsl_setup(struct usb_hcd *hcd)
 
 	ehci_reset(ehci);
 
+	if (of_device_is_compatible(dev->parent->of_node,
+				    "fsl,mpc5121-usb2-dr")) {
+		/*
+		 * set SBUSCFG:AHBBRST so that control msgs don't
+		 * fail when doing heavy PATA writes.
+		 */
+		ehci_writel(ehci, SBUSCFG_INCR8,
+			    hcd->regs + FSL_SOC_USB_SBUSCFG);
+	}
+
 	retval = ehci_fsl_reinit(ehci);
 	return retval;
 }
@@ -469,6 +489,8 @@ static int ehci_fsl_mpc512x_drv_resume(struct device *dev)
 	ehci_writel(ehci, ISIPHYCTRL_PXE | ISIPHYCTRL_PHYE,
 		    hcd->regs + FSL_SOC_USB_ISIPHYCTRL);
 
+	ehci_writel(ehci, SBUSCFG_INCR8, hcd->regs + FSL_SOC_USB_SBUSCFG);
+
 	/* restore EHCI registers */
 	ehci_writel(ehci, pdata->pm_command, &ehci->regs->command);
 	ehci_writel(ehci, pdata->pm_intr_enable, &ehci->regs->intr_enable);
diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h
index 491806221165..863fb0c080d7 100644
--- a/drivers/usb/host/ehci-fsl.h
+++ b/drivers/usb/host/ehci-fsl.h
@@ -19,6 +19,8 @@
 #define _EHCI_FSL_H
 
 /* offsets for the non-ehci registers in the FSL SOC USB controller */
+#define FSL_SOC_USB_SBUSCFG	0x90
+#define SBUSCFG_INCR8		0x02	/* INCR8, specified */
 #define FSL_SOC_USB_ULPIVP	0x170
 #define FSL_SOC_USB_PORTSC1	0x184
 #define PORT_PTS_MSK		(3<<30)
@@ -45,5 +47,7 @@
 #define FSL_SOC_USB_PRICTRL	0x40c	/* NOTE: big-endian */
 #define FSL_SOC_USB_SICTRL	0x410	/* NOTE: big-endian */
 #define FSL_SOC_USB_CTRL	0x500	/* NOTE: big-endian */
+#define CTRL_UTMI_PHY_EN	(1<<9)
+#define CTRL_PHY_CLK_VALID	(1 << 17)
 #define SNOOP_SIZE_2GB		0x1e
 #endif				/* _EHCI_FSL_H */
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index a007a9fe0f87..06e2548b549c 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1361,11 +1361,6 @@ MODULE_LICENSE ("GPL");
 #define PLATFORM_DRIVER		ehci_grlib_driver
 #endif
 
-#ifdef CONFIG_USB_PXA168_EHCI
-#include "ehci-pxa168.c"
-#define PLATFORM_DRIVER		ehci_pxa168_driver
-#endif
-
 #ifdef CONFIG_CPU_XLR
 #include "ehci-xls.c"
 #define PLATFORM_DRIVER		ehci_xls_driver
@@ -1376,6 +1371,11 @@ MODULE_LICENSE ("GPL");
 #define        PLATFORM_DRIVER         ehci_mv_driver
 #endif
 
+#ifdef CONFIG_MACH_LOONGSON1
+#include "ehci-ls1x.c"
+#define PLATFORM_DRIVER		ehci_ls1x_driver
+#endif
+
 #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
     !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \
     !defined(XILINX_OF_PLATFORM_DRIVER)
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 77bbb2357e47..01011dd0cb5d 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -107,7 +107,7 @@ static void ehci_handover_companion_ports(struct ehci_hcd *ehci)
 	ehci->owned_ports = 0;
 }
 
-static int ehci_port_change(struct ehci_hcd *ehci)
+static int __maybe_unused ehci_port_change(struct ehci_hcd *ehci)
 {
 	int i = HCS_N_PORTS(ehci->hcs_params);
 
@@ -1076,7 +1076,8 @@ error_exit:
 	return retval;
 }
 
-static void ehci_relinquish_port(struct usb_hcd *hcd, int portnum)
+static void __maybe_unused ehci_relinquish_port(struct usb_hcd *hcd,
+		int portnum)
 {
 	struct ehci_hcd		*ehci = hcd_to_ehci(hcd);
 
@@ -1085,7 +1086,8 @@ static void ehci_relinquish_port(struct usb_hcd *hcd, int portnum)
 	set_owner(ehci, --portnum, PORT_OWNER);
 }
 
-static int ehci_port_handed_over(struct usb_hcd *hcd, int portnum)
+static int __maybe_unused ehci_port_handed_over(struct usb_hcd *hcd,
+		int portnum)
 {
 	struct ehci_hcd		*ehci = hcd_to_ehci(hcd);
 	u32 __iomem		*reg;
diff --git a/drivers/usb/host/ehci-ls1x.c b/drivers/usb/host/ehci-ls1x.c
new file mode 100644
index 000000000000..a283e59709d6
--- /dev/null
+++ b/drivers/usb/host/ehci-ls1x.c
@@ -0,0 +1,159 @@
+/*
+ *  Bus Glue for Loongson LS1X built-in EHCI controller.
+ *
+ *  Copyright (c) 2012 Zhang, Keguang <keguang.zhang@gmail.com>
+ *
+ *  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.
+ */
+
+
+#include <linux/platform_device.h>
+
+static int ehci_ls1x_reset(struct usb_hcd *hcd)
+{
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+	int ret;
+
+	ehci->caps = hcd->regs;
+
+	ret = ehci_setup(hcd);
+	if (ret)
+		return ret;
+
+	ehci_port_power(ehci, 0);
+
+	return 0;
+}
+
+static const struct hc_driver ehci_ls1x_hc_driver = {
+	.description		= hcd_name,
+	.product_desc		= "LOONGSON1 EHCI",
+	.hcd_priv_size		= sizeof(struct ehci_hcd),
+
+	/*
+	 * generic hardware linkage
+	 */
+	.irq			= ehci_irq,
+	.flags			= HCD_MEMORY | HCD_USB2,
+
+	/*
+	 * basic lifecycle operations
+	 */
+	.reset			= ehci_ls1x_reset,
+	.start			= ehci_run,
+	.stop			= ehci_stop,
+	.shutdown		= ehci_shutdown,
+
+	/*
+	 * managing i/o requests and associated device resources
+	 */
+	.urb_enqueue		= ehci_urb_enqueue,
+	.urb_dequeue		= ehci_urb_dequeue,
+	.endpoint_disable	= ehci_endpoint_disable,
+	.endpoint_reset		= ehci_endpoint_reset,
+
+	/*
+	 * scheduling support
+	 */
+	.get_frame_number	= ehci_get_frame,
+
+	/*
+	 * root hub support
+	 */
+	.hub_status_data	= ehci_hub_status_data,
+	.hub_control		= ehci_hub_control,
+	.relinquish_port	= ehci_relinquish_port,
+	.port_handed_over	= ehci_port_handed_over,
+
+	.clear_tt_buffer_complete	= ehci_clear_tt_buffer_complete,
+};
+
+static int ehci_hcd_ls1x_probe(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd;
+	struct resource *res;
+	int irq;
+	int ret;
+
+	pr_debug("initializing loongson1 ehci USB Controller\n");
+
+	if (usb_disabled())
+		return -ENODEV;
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res) {
+		dev_err(&pdev->dev,
+			"Found HC with no IRQ. Check %s setup!\n",
+			dev_name(&pdev->dev));
+		return -ENODEV;
+	}
+	irq = res->start;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev,
+			"Found HC with no register addr. Check %s setup!\n",
+			dev_name(&pdev->dev));
+		return -ENODEV;
+	}
+
+	hcd = usb_create_hcd(&ehci_ls1x_hc_driver, &pdev->dev,
+				dev_name(&pdev->dev));
+	if (!hcd)
+		return -ENOMEM;
+	hcd->rsrc_start	= res->start;
+	hcd->rsrc_len	= resource_size(res);
+
+	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+		dev_dbg(&pdev->dev, "controller already in use\n");
+		ret = -EBUSY;
+		goto err_put_hcd;
+	}
+
+	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+	if (hcd->regs == NULL) {
+		dev_dbg(&pdev->dev, "error mapping memory\n");
+		ret = -EFAULT;
+		goto err_release_region;
+	}
+
+	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
+	if (ret)
+		goto err_iounmap;
+
+	return ret;
+
+err_iounmap:
+	iounmap(hcd->regs);
+err_release_region:
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err_put_hcd:
+	usb_put_hcd(hcd);
+	return ret;
+}
+
+static int ehci_hcd_ls1x_remove(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+	usb_remove_hcd(hcd);
+	iounmap(hcd->regs);
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+	usb_put_hcd(hcd);
+
+	return 0;
+}
+
+static struct platform_driver ehci_ls1x_driver = {
+	.probe = ehci_hcd_ls1x_probe,
+	.remove = ehci_hcd_ls1x_remove,
+	.shutdown = usb_hcd_platform_shutdown,
+	.driver = {
+		.name = "ls1x-ehci",
+		.owner	= THIS_MODULE,
+	},
+};
+
+MODULE_ALIAS(PLATFORM_MODULE_PREFIX "ls1x-ehci");
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index f4b627d343ac..01bb7241d6ef 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -276,6 +276,9 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
 
 	/* Serial Bus Release Number is at PCI 0x60 offset */
 	pci_read_config_byte(pdev, 0x60, &ehci->sbrn);
+	if (pdev->vendor == PCI_VENDOR_ID_STMICRO
+	    && pdev->device == PCI_DEVICE_ID_STMICRO_USB_HOST)
+		ehci->sbrn = 0x20; /* ConneXT has no sbrn register */
 
 	/* Keep this around for a while just in case some EHCI
 	 * implementation uses legacy PCI PM support.  This test
@@ -526,6 +529,9 @@ static const struct pci_device_id pci_ids [] = { {
 	/* handle any USB 2.0 EHCI controller */
 	PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_EHCI, ~0),
 	.driver_data =	(unsigned long) &ehci_pci_hc_driver,
+	}, {
+	PCI_VDEVICE(STMICRO, PCI_DEVICE_ID_STMICRO_USB_HOST),
+	.driver_data = (unsigned long) &ehci_pci_hc_driver,
 	},
 	{ /* end: all zeroes */ }
 };
diff --git a/drivers/usb/host/ehci-pxa168.c b/drivers/usb/host/ehci-pxa168.c
deleted file mode 100644
index 8d0e7a22e711..000000000000
--- a/drivers/usb/host/ehci-pxa168.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/*
- * drivers/usb/host/ehci-pxa168.c
- *
- * Tanmay Upadhyay <tanmay.upadhyay@einfochips.com>
- *
- * Based on drivers/usb/host/ehci-orion.c
- *
- * This file is licensed under  the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-#include <mach/pxa168.h>
-
-#define USB_PHY_CTRL_REG 0x4
-#define USB_PHY_PLL_REG  0x8
-#define USB_PHY_TX_REG   0xc
-
-#define FBDIV_SHIFT      4
-
-#define ICP_SHIFT        12
-#define ICP_15            2
-#define ICP_20            3
-#define ICP_25            4
-
-#define KVCO_SHIFT       15
-
-#define PLLCALI12_SHIFT  25
-#define CALI12_VDD        0
-#define CALI12_09         1
-#define CALI12_10         2
-#define CALI12_11         3
-
-#define PLLVDD12_SHIFT   27
-#define VDD12_VDD         0
-#define VDD12_10          1
-#define VDD12_11          2
-#define VDD12_12          3
-
-#define PLLVDD18_SHIFT   29
-#define VDD18_19          0
-#define VDD18_20          1
-#define VDD18_21          2
-#define VDD18_22          3
-
-
-#define PLL_READY        (1 << 23)
-#define VCOCAL_START     (1 << 21)
-#define REG_RCAL_START   (1 << 12)
-
-struct pxa168_usb_drv_data {
-	struct ehci_hcd ehci;
-	struct clk	*pxa168_usb_clk;
-	struct resource	*usb_phy_res;
-	void __iomem	*usb_phy_reg_base;
-};
-
-static int ehci_pxa168_setup(struct usb_hcd *hcd)
-{
-	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-	int retval;
-
-	ehci_reset(ehci);
-	retval = ehci_halt(ehci);
-	if (retval)
-		return retval;
-
-	/*
-	 * data structure init
-	 */
-	retval = ehci_init(hcd);
-	if (retval)
-		return retval;
-
-	hcd->has_tt = 1;
-
-	ehci_port_power(ehci, 0);
-
-	return retval;
-}
-
-static const struct hc_driver ehci_pxa168_hc_driver = {
-	.description = hcd_name,
-	.product_desc = "Marvell PXA168 EHCI",
-	.hcd_priv_size = sizeof(struct pxa168_usb_drv_data),
-
-	/*
-	 * generic hardware linkage
-	 */
-	.irq = ehci_irq,
-	.flags = HCD_MEMORY | HCD_USB2,
-
-	/*
-	 * basic lifecycle operations
-	 */
-	.reset = ehci_pxa168_setup,
-	.start = ehci_run,
-	.stop = ehci_stop,
-	.shutdown = ehci_shutdown,
-
-	/*
-	 * managing i/o requests and associated device resources
-	 */
-	.urb_enqueue = ehci_urb_enqueue,
-	.urb_dequeue = ehci_urb_dequeue,
-	.endpoint_disable = ehci_endpoint_disable,
-	.endpoint_reset = ehci_endpoint_reset,
-
-	/*
-	 * scheduling support
-	 */
-	.get_frame_number = ehci_get_frame,
-
-	/*
-	 * root hub support
-	 */
-	.hub_status_data = ehci_hub_status_data,
-	.hub_control = ehci_hub_control,
-	.bus_suspend = ehci_bus_suspend,
-	.bus_resume = ehci_bus_resume,
-	.relinquish_port = ehci_relinquish_port,
-	.port_handed_over = ehci_port_handed_over,
-
-	.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
-};
-
-static int pxa168_usb_phy_init(struct platform_device *pdev)
-{
-	struct resource *res;
-	void __iomem *usb_phy_reg_base;
-	struct pxa168_usb_pdata *pdata;
-	struct pxa168_usb_drv_data *drv_data;
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-	unsigned long reg_val;
-	int pll_retry_cont = 10000, err = 0;
-
-	drv_data = (struct pxa168_usb_drv_data *)hcd->hcd_priv;
-	pdata = (struct pxa168_usb_pdata *)pdev->dev.platform_data;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (!res) {
-		dev_err(&pdev->dev,
-			"Found HC with no PHY register addr. Check %s setup!\n",
-			dev_name(&pdev->dev));
-		return -ENODEV;
-	}
-
-	if (!request_mem_region(res->start, resource_size(res),
-				ehci_pxa168_hc_driver.description)) {
-		dev_dbg(&pdev->dev, "controller already in use\n");
-		return -EBUSY;
-	}
-
-	usb_phy_reg_base = ioremap(res->start, resource_size(res));
-	if (usb_phy_reg_base == NULL) {
-		dev_dbg(&pdev->dev, "error mapping memory\n");
-		err = -EFAULT;
-		goto err1;
-	}
-	drv_data->usb_phy_reg_base = usb_phy_reg_base;
-	drv_data->usb_phy_res = res;
-
-	/* If someone wants to init USB phy in board specific way */
-	if (pdata && pdata->phy_init)
-		return pdata->phy_init(usb_phy_reg_base);
-
-	/* Power up the PHY and PLL */
-	writel(readl(usb_phy_reg_base + USB_PHY_CTRL_REG) | 0x3,
-		usb_phy_reg_base + USB_PHY_CTRL_REG);
-
-	/* Configure PHY PLL */
-	reg_val = readl(usb_phy_reg_base + USB_PHY_PLL_REG) & ~(0x7e03ffff);
-	reg_val |= (VDD18_22 << PLLVDD18_SHIFT | VDD12_12 << PLLVDD12_SHIFT |
-		CALI12_11 << PLLCALI12_SHIFT | 3 << KVCO_SHIFT |
-		ICP_15 << ICP_SHIFT | 0xee << FBDIV_SHIFT | 0xb);
-	writel(reg_val, usb_phy_reg_base + USB_PHY_PLL_REG);
-
-	/* Make sure PHY PLL is ready */
-	while (!(readl(usb_phy_reg_base + USB_PHY_PLL_REG) & PLL_READY)) {
-		if (!(pll_retry_cont--)) {
-			dev_dbg(&pdev->dev, "USB PHY PLL not ready\n");
-			err = -EIO;
-			goto err2;
-		}
-	}
-
-	/* Toggle VCOCAL_START bit of U2PLL for PLL calibration */
-	udelay(200);
-	writel(readl(usb_phy_reg_base + USB_PHY_PLL_REG) | VCOCAL_START,
-		usb_phy_reg_base + USB_PHY_PLL_REG);
-	udelay(40);
-	writel(readl(usb_phy_reg_base + USB_PHY_PLL_REG) & ~VCOCAL_START,
-		usb_phy_reg_base + USB_PHY_PLL_REG);
-
-	/* Toggle REG_RCAL_START bit of U2PTX for impedance calibration */
-	udelay(400);
-	writel(readl(usb_phy_reg_base + USB_PHY_TX_REG) | REG_RCAL_START,
-		usb_phy_reg_base + USB_PHY_TX_REG);
-	udelay(40);
-	writel(readl(usb_phy_reg_base + USB_PHY_TX_REG) & ~REG_RCAL_START,
-		usb_phy_reg_base + USB_PHY_TX_REG);
-
-	/* Make sure PHY PLL is ready again */
-	pll_retry_cont = 0;
-	while (!(readl(usb_phy_reg_base + USB_PHY_PLL_REG) & PLL_READY)) {
-		if (!(pll_retry_cont--)) {
-			dev_dbg(&pdev->dev, "USB PHY PLL not ready\n");
-			err = -EIO;
-			goto err2;
-		}
-	}
-
-	return 0;
-err2:
-	iounmap(usb_phy_reg_base);
-err1:
-	release_mem_region(res->start, resource_size(res));
-	return err;
-}
-
-static int __devinit ehci_pxa168_drv_probe(struct platform_device *pdev)
-{
-	struct resource *res;
-	struct usb_hcd *hcd;
-	struct ehci_hcd *ehci;
-	struct pxa168_usb_drv_data *drv_data;
-	void __iomem *regs;
-	int irq, err = 0;
-
-	if (usb_disabled())
-		return -ENODEV;
-
-	pr_debug("Initializing pxa168-SoC USB Host Controller\n");
-
-	irq = platform_get_irq(pdev, 0);
-	if (irq <= 0) {
-		dev_err(&pdev->dev,
-			"Found HC with no IRQ. Check %s setup!\n",
-			dev_name(&pdev->dev));
-		err = -ENODEV;
-		goto err1;
-	}
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev,
-			"Found HC with no register addr. Check %s setup!\n",
-			dev_name(&pdev->dev));
-		err = -ENODEV;
-		goto err1;
-	}
-
-	if (!request_mem_region(res->start, resource_size(res),
-				ehci_pxa168_hc_driver.description)) {
-		dev_dbg(&pdev->dev, "controller already in use\n");
-		err = -EBUSY;
-		goto err1;
-	}
-
-	regs = ioremap(res->start, resource_size(res));
-	if (regs == NULL) {
-		dev_dbg(&pdev->dev, "error mapping memory\n");
-		err = -EFAULT;
-		goto err2;
-	}
-
-	hcd = usb_create_hcd(&ehci_pxa168_hc_driver,
-			&pdev->dev, dev_name(&pdev->dev));
-	if (!hcd) {
-		err = -ENOMEM;
-		goto err3;
-	}
-
-	drv_data = (struct pxa168_usb_drv_data *)hcd->hcd_priv;
-
-	/* Enable USB clock */
-	drv_data->pxa168_usb_clk = clk_get(&pdev->dev, "PXA168-USBCLK");
-	if (IS_ERR(drv_data->pxa168_usb_clk)) {
-		dev_err(&pdev->dev, "Couldn't get USB clock\n");
-		err = PTR_ERR(drv_data->pxa168_usb_clk);
-		goto err4;
-	}
-	clk_enable(drv_data->pxa168_usb_clk);
-
-	err = pxa168_usb_phy_init(pdev);
-	if (err) {
-		dev_err(&pdev->dev, "USB PHY initialization failed\n");
-		goto err5;
-	}
-
-	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = resource_size(res);
-	hcd->regs = regs;
-
-	ehci = hcd_to_ehci(hcd);
-	ehci->caps = hcd->regs + 0x100;
-	ehci->regs = hcd->regs + 0x100 +
-		HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
-	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
-	hcd->has_tt = 1;
-	ehci->sbrn = 0x20;
-
-	err = usb_add_hcd(hcd, irq, IRQF_SHARED | IRQF_DISABLED);
-	if (err)
-		goto err5;
-
-	return 0;
-
-err5:
-	clk_disable(drv_data->pxa168_usb_clk);
-	clk_put(drv_data->pxa168_usb_clk);
-err4:
-	usb_put_hcd(hcd);
-err3:
-	iounmap(regs);
-err2:
-	release_mem_region(res->start, resource_size(res));
-err1:
-	dev_err(&pdev->dev, "init %s fail, %d\n",
-		dev_name(&pdev->dev), err);
-
-	return err;
-}
-
-static int __exit ehci_pxa168_drv_remove(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-	struct pxa168_usb_drv_data *drv_data =
-		(struct pxa168_usb_drv_data *)hcd->hcd_priv;
-
-	usb_remove_hcd(hcd);
-
-	/* Power down PHY & PLL */
-	writel(readl(drv_data->usb_phy_reg_base + USB_PHY_CTRL_REG) & (~0x3),
-		drv_data->usb_phy_reg_base + USB_PHY_CTRL_REG);
-
-	clk_disable(drv_data->pxa168_usb_clk);
-	clk_put(drv_data->pxa168_usb_clk);
-
-	iounmap(hcd->regs);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-
-	iounmap(drv_data->usb_phy_reg_base);
-	release_mem_region(drv_data->usb_phy_res->start,
-			resource_size(drv_data->usb_phy_res));
-
-	usb_put_hcd(hcd);
-
-	return 0;
-}
-
-MODULE_ALIAS("platform:pxa168-ehci");
-
-static struct platform_driver ehci_pxa168_driver = {
-	.probe		= ehci_pxa168_drv_probe,
-	.remove		= __exit_p(ehci_pxa168_drv_remove),
-	.shutdown	= usb_hcd_platform_shutdown,
-	.driver.name	= "pxa168-ehci",
-};
diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c
index b115b0b76e33..6e928559169c 100644
--- a/drivers/usb/host/ehci-spear.c
+++ b/drivers/usb/host/ehci-spear.c
@@ -11,8 +11,10 @@
 * more details.
 */
 
-#include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/jiffies.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
 
 struct spear_ehci {
 	struct ehci_hcd ehci;
@@ -90,6 +92,82 @@ static const struct hc_driver ehci_spear_hc_driver = {
 	.clear_tt_buffer_complete	= ehci_clear_tt_buffer_complete,
 };
 
+#ifdef CONFIG_PM
+static int ehci_spear_drv_suspend(struct device *dev)
+{
+	struct usb_hcd *hcd = dev_get_drvdata(dev);
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+	unsigned long flags;
+	int rc = 0;
+
+	if (time_before(jiffies, ehci->next_statechange))
+		msleep(10);
+
+	/*
+	 * Root hub was already suspended. Disable irq emission and mark HW
+	 * unaccessible. The PM and USB cores make sure that the root hub is
+	 * either suspended or stopped.
+	 */
+	spin_lock_irqsave(&ehci->lock, flags);
+	ehci_prepare_ports_for_controller_suspend(ehci, device_may_wakeup(dev));
+	ehci_writel(ehci, 0, &ehci->regs->intr_enable);
+	ehci_readl(ehci, &ehci->regs->intr_enable);
+	spin_unlock_irqrestore(&ehci->lock, flags);
+
+	return rc;
+}
+
+static int ehci_spear_drv_resume(struct device *dev)
+{
+	struct usb_hcd *hcd = dev_get_drvdata(dev);
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+
+	if (time_before(jiffies, ehci->next_statechange))
+		msleep(100);
+
+	if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF) {
+		int mask = INTR_MASK;
+
+		ehci_prepare_ports_for_controller_resume(ehci);
+
+		if (!hcd->self.root_hub->do_remote_wakeup)
+			mask &= ~STS_PCD;
+
+		ehci_writel(ehci, mask, &ehci->regs->intr_enable);
+		ehci_readl(ehci, &ehci->regs->intr_enable);
+		return 0;
+	}
+
+	usb_root_hub_lost_power(hcd->self.root_hub);
+
+	/*
+	 * Else reset, to cope with power loss or flush-to-storage style
+	 * "resume" having let BIOS kick in during reboot.
+	 */
+	ehci_halt(ehci);
+	ehci_reset(ehci);
+
+	/* emptying the schedule aborts any urbs */
+	spin_lock_irq(&ehci->lock);
+	if (ehci->reclaim)
+		end_unlink_async(ehci);
+
+	ehci_work(ehci);
+	spin_unlock_irq(&ehci->lock);
+
+	ehci_writel(ehci, ehci->command, &ehci->regs->command);
+	ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
+	ehci_readl(ehci, &ehci->regs->command);	/* unblock posted writes */
+
+	/* here we "know" root ports should always stay powered */
+	ehci_port_power(ehci, 1);
+	return 0;
+}
+#endif /* CONFIG_PM */
+
+static SIMPLE_DEV_PM_OPS(ehci_spear_pm_ops, ehci_spear_drv_suspend,
+		ehci_spear_drv_resume);
+
 static int spear_ehci_hcd_drv_probe(struct platform_device *pdev)
 {
 	struct usb_hcd *hcd ;
@@ -205,7 +283,8 @@ static struct platform_driver spear_ehci_hcd_driver = {
 	.shutdown	= usb_hcd_platform_shutdown,
 	.driver		= {
 		.name = "spear-ehci",
-		.bus = &platform_bus_type
+		.bus = &platform_bus_type,
+		.pm = &ehci_spear_pm_ops,
 	}
 };
 
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index 7916e56a725e..ab333ac6071d 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -94,7 +94,6 @@ struct platform_device * __devinit fsl_usb2_device_register(
 	pdev->dev.parent = &ofdev->dev;
 
 	pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask;
-	pdev->dev.dma_mask = &pdev->archdata.dma_mask;
 	*pdev->dev.dma_mask = *ofdev->dev.dma_mask;
 
 	retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
diff --git a/drivers/usb/host/imx21-dbg.c b/drivers/usb/host/imx21-dbg.c
index 6d7533427163..ec98ecee3517 100644
--- a/drivers/usb/host/imx21-dbg.c
+++ b/drivers/usb/host/imx21-dbg.c
@@ -239,7 +239,7 @@ static int debug_status_show(struct seq_file *s, void *v)
 		"ETDs allocated: %d/%d (max=%d)\n"
 		"ETDs in use sw: %d\n"
 		"ETDs in use hw: %d\n"
-		"DMEM alocated: %d/%d (max=%d)\n"
+		"DMEM allocated: %d/%d (max=%d)\n"
 		"DMEM blocks: %d\n"
 		"Queued waiting for ETD: %d\n"
 		"Queued waiting for DMEM: %d\n",
diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
index e5fd8aa57af1..9e63cdf1ab75 100644
--- a/drivers/usb/host/isp1362-hcd.c
+++ b/drivers/usb/host/isp1362-hcd.c
@@ -2693,6 +2693,9 @@ static int __devinit isp1362_probe(struct platform_device *pdev)
 	struct resource *irq_res;
 	unsigned int irq_flags = 0;
 
+	if (usb_disabled())
+		return -ENODEV;
+
 	/* basic sanity checks first.  board-specific init logic should
 	 * have initialized this the three resources and probably board
 	 * specific platform_data.  we don't probe for IRQs, and do only
@@ -2864,19 +2867,4 @@ static struct platform_driver isp1362_driver = {
 	},
 };
 
-/*-------------------------------------------------------------------------*/
-
-static int __init isp1362_init(void)
-{
-	if (usb_disabled())
-		return -ENODEV;
-	pr_info("driver %s, %s\n", hcd_name, DRIVER_VERSION);
-	return platform_driver_register(&isp1362_driver);
-}
-module_init(isp1362_init);
-
-static void __exit isp1362_cleanup(void)
-{
-	platform_driver_unregister(&isp1362_driver);
-}
-module_exit(isp1362_cleanup);
+module_platform_driver(isp1362_driver);
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 5df0b0e3392b..77afabc77f9b 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -139,8 +139,23 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
 	}
 
 	iclk = clk_get(&pdev->dev, "ohci_clk");
+	if (IS_ERR(iclk)) {
+		dev_err(&pdev->dev, "failed to get ohci_clk\n");
+		retval = PTR_ERR(iclk);
+		goto err3;
+	}
 	fclk = clk_get(&pdev->dev, "uhpck");
+	if (IS_ERR(fclk)) {
+		dev_err(&pdev->dev, "failed to get uhpck\n");
+		retval = PTR_ERR(fclk);
+		goto err4;
+	}
 	hclk = clk_get(&pdev->dev, "hclk");
+	if (IS_ERR(hclk)) {
+		dev_err(&pdev->dev, "failed to get hclk\n");
+		retval = PTR_ERR(hclk);
+		goto err5;
+	}
 
 	at91_start_hc(pdev);
 	ohci_hcd_init(hcd_to_ohci(hcd));
@@ -153,9 +168,12 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver,
 	at91_stop_hc(pdev);
 
 	clk_put(hclk);
+ err5:
 	clk_put(fclk);
+ err4:
 	clk_put(iclk);
 
+ err3:
 	iounmap(hcd->regs);
 
  err2:
@@ -226,7 +244,8 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int
 	if (!gpio_is_valid(pdata->vbus_pin[port]))
 		return;
 
-	gpio_set_value(pdata->vbus_pin[port], !pdata->vbus_pin_inverted ^ enable);
+	gpio_set_value(pdata->vbus_pin[port],
+		       !pdata->vbus_pin_active_low[port] ^ enable);
 }
 
 static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
@@ -237,7 +256,8 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port)
 	if (!gpio_is_valid(pdata->vbus_pin[port]))
 		return -EINVAL;
 
-	return gpio_get_value(pdata->vbus_pin[port]) ^ !pdata->vbus_pin_inverted;
+	return gpio_get_value(pdata->vbus_pin[port]) ^
+		!pdata->vbus_pin_active_low[port];
 }
 
 /*
diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c
index 5179fcd73d8a..e4bcb62b930a 100644
--- a/drivers/usb/host/ohci-dbg.c
+++ b/drivers/usb/host/ohci-dbg.c
@@ -82,6 +82,14 @@ urb_print(struct urb * urb, char * str, int small, int status)
 		ohci_dbg(ohci,format, ## arg ); \
 	} while (0);
 
+/* Version for use where "next" is the address of a local variable */
+#define ohci_dbg_nosw(ohci, next, size, format, arg...) \
+	do { \
+		unsigned s_len; \
+		s_len = scnprintf(*next, *size, format, ## arg); \
+		*size -= s_len; *next += s_len; \
+	} while (0);
+
 
 static void ohci_dump_intr_mask (
 	struct ohci_hcd *ohci,
@@ -653,7 +661,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 
 	/* dump driver info, then registers in spec order */
 
-	ohci_dbg_sw (ohci, &next, &size,
+	ohci_dbg_nosw(ohci, &next, &size,
 		"bus %s, device %s\n"
 		"%s\n"
 		"%s\n",
@@ -672,7 +680,7 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 
 	/* hcca */
 	if (ohci->hcca)
-		ohci_dbg_sw (ohci, &next, &size,
+		ohci_dbg_nosw(ohci, &next, &size,
 			"hcca frame 0x%04x\n", ohci_frame_no(ohci));
 
 	/* other registers mostly affect frame timings */
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index 55aa35aa3d7b..37bb20ebb6fc 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -212,12 +212,10 @@ static int exynos_ohci_suspend(struct device *dev)
 	 * mark HW unaccessible, bail out if RH has been resumed. Use
 	 * the spinlock to properly synchronize with possible pending
 	 * RH suspend or resume activity.
-	 *
-	 * This is still racy as hcd->state is manipulated outside of
-	 * any locks =P But that will be a different fix.
 	 */
 	spin_lock_irqsave(&ohci->lock, flags);
-	if (hcd->state != HC_STATE_SUSPENDED && hcd->state != HC_STATE_HALT) {
+	if (ohci->rh_state != OHCI_RH_SUSPENDED &&
+			ohci->rh_state != OHCI_RH_HALTED) {
 		rc = -EINVAL;
 		goto fail;
 	}
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index 6109810cc2d3..1843bb68ac7c 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -397,6 +397,10 @@ static const struct pci_device_id pci_ids [] = { {
 	/* handle any USB OHCI controller */
 	PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_OHCI, ~0),
 	.driver_data =	(unsigned long) &ohci_pci_hc_driver,
+	}, {
+	/* The device in the ConneXT I/O hub has no class reg */
+	PCI_VDEVICE(STMICRO, PCI_DEVICE_ID_STMICRO_USB_OHCI),
+	.driver_data =	(unsigned long) &ohci_pci_hc_driver,
 	}, { /* end: all zeroes */ }
 };
 MODULE_DEVICE_TABLE (pci, pci_ids);
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index caf87428ca43..7732d69e49e0 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -867,6 +867,22 @@ hc_init:
 
 static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev)
 {
+	/* Skip Netlogic mips SoC's internal PCI USB controller.
+	 * This device does not need/support EHCI/OHCI handoff
+	 */
+	if (pdev->vendor == 0x184e)	/* vendor Netlogic */
+		return;
+	if (pdev->class != PCI_CLASS_SERIAL_USB_UHCI &&
+			pdev->class != PCI_CLASS_SERIAL_USB_OHCI &&
+			pdev->class != PCI_CLASS_SERIAL_USB_EHCI &&
+			pdev->class != PCI_CLASS_SERIAL_USB_XHCI)
+		return;
+
+	if (pci_enable_device(pdev) < 0) {
+		dev_warn(&pdev->dev, "Can't enable PCI device, "
+				"BIOS handoff failed.\n");
+		return;
+	}
 	if (pdev->class == PCI_CLASS_SERIAL_USB_UHCI)
 		quirk_usb_handoff_uhci(pdev);
 	else if (pdev->class == PCI_CLASS_SERIAL_USB_OHCI)
@@ -875,5 +891,6 @@ static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev)
 		quirk_usb_disable_ehci(pdev);
 	else if (pdev->class == PCI_CLASS_SERIAL_USB_XHCI)
 		quirk_usb_handoff_xhci(pdev);
+	pci_disable_device(pdev);
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, quirk_usb_early_handoff);
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 6b5eb1017e2c..e37dea87bb56 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -565,6 +565,9 @@ static int uhci_start(struct usb_hcd *hcd)
 	struct dentry __maybe_unused *dentry;
 
 	hcd->uses_new_polling = 1;
+	/* Accept arbitrarily long scatter-gather lists */
+	if (!(hcd->driver->flags & HCD_LOCAL_MEM))
+		hcd->self.sg_tablesize = ~0;
 
 	spin_lock_init(&uhci->lock);
 	setup_timer(&uhci->fsbr_timer, uhci_fsbr_timeout,
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 35e257f79c7b..673ad120c43e 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -93,7 +93,7 @@ static void xhci_usb2_hub_descriptor(struct usb_hcd *hcd, struct xhci_hcd *xhci,
 	 */
 	memset(port_removable, 0, sizeof(port_removable));
 	for (i = 0; i < ports; i++) {
-		portsc = xhci_readl(xhci, xhci->usb3_ports[i]);
+		portsc = xhci_readl(xhci, xhci->usb2_ports[i]);
 		/* If a device is removable, PORTSC reports a 0, same as in the
 		 * hub descriptor DeviceRemovable bits.
 		 */
@@ -422,6 +422,32 @@ void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array,
 	xhci_writel(xhci, temp, port_array[port_id]);
 }
 
+void xhci_set_remote_wake_mask(struct xhci_hcd *xhci,
+		__le32 __iomem **port_array, int port_id, u16 wake_mask)
+{
+	u32 temp;
+
+	temp = xhci_readl(xhci, port_array[port_id]);
+	temp = xhci_port_state_to_neutral(temp);
+
+	if (wake_mask & USB_PORT_FEAT_REMOTE_WAKE_CONNECT)
+		temp |= PORT_WKCONN_E;
+	else
+		temp &= ~PORT_WKCONN_E;
+
+	if (wake_mask & USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT)
+		temp |= PORT_WKDISC_E;
+	else
+		temp &= ~PORT_WKDISC_E;
+
+	if (wake_mask & USB_PORT_FEAT_REMOTE_WAKE_OVER_CURRENT)
+		temp |= PORT_WKOC_E;
+	else
+		temp &= ~PORT_WKOC_E;
+
+	xhci_writel(xhci, temp, port_array[port_id]);
+}
+
 /* Test and clear port RWC bit */
 void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array,
 				int port_id, u32 port_bit)
@@ -448,6 +474,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 	int slot_id;
 	struct xhci_bus_state *bus_state;
 	u16 link_state = 0;
+	u16 wake_mask = 0;
 
 	max_ports = xhci_get_ports(hcd, &port_array);
 	bus_state = &xhci->bus_state[hcd_index(hcd)];
@@ -593,6 +620,8 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 	case SetPortFeature:
 		if (wValue == USB_PORT_FEAT_LINK_STATE)
 			link_state = (wIndex & 0xff00) >> 3;
+		if (wValue == USB_PORT_FEAT_REMOTE_WAKE_MASK)
+			wake_mask = wIndex & 0xff00;
 		wIndex &= 0xff;
 		if (!wIndex || wIndex > max_ports)
 			goto error;
@@ -703,6 +732,14 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			temp = xhci_readl(xhci, port_array[wIndex]);
 			xhci_dbg(xhci, "set port reset, actual port %d status  = 0x%x\n", wIndex, temp);
 			break;
+		case USB_PORT_FEAT_REMOTE_WAKE_MASK:
+			xhci_set_remote_wake_mask(xhci, port_array,
+					wIndex, wake_mask);
+			temp = xhci_readl(xhci, port_array[wIndex]);
+			xhci_dbg(xhci, "set port remote wake mask, "
+					"actual port %d status  = 0x%x\n",
+					wIndex, temp);
+			break;
 		case USB_PORT_FEAT_BH_PORT_RESET:
 			temp |= PORT_WR;
 			xhci_writel(xhci, temp, port_array[wIndex]);
@@ -883,6 +920,10 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
 			t2 |= PORT_LINK_STROBE | XDEV_U3;
 			set_bit(port_index, &bus_state->bus_suspended);
 		}
+		/* USB core sets remote wake mask for USB 3.0 hubs,
+		 * including the USB 3.0 roothub, but only if CONFIG_USB_SUSPEND
+		 * is enabled, so also enable remote wake here.
+		 */
 		if (hcd->self.root_hub->do_remote_wakeup) {
 			if (t1 & PORT_CONNECT) {
 				t2 |= PORT_WKOC_E | PORT_WKDISC_E;
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 36cbe2226a44..8339d826ce58 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1126,26 +1126,42 @@ static unsigned int xhci_parse_exponent_interval(struct usb_device *udev,
 }
 
 /*
- * Convert bInterval expressed in frames (in 1-255 range) to exponent of
+ * Convert bInterval expressed in microframes (in 1-255 range) to exponent of
  * microframes, rounded down to nearest power of 2.
  */
-static unsigned int xhci_parse_frame_interval(struct usb_device *udev,
-		struct usb_host_endpoint *ep)
+static unsigned int xhci_microframes_to_exponent(struct usb_device *udev,
+		struct usb_host_endpoint *ep, unsigned int desc_interval,
+		unsigned int min_exponent, unsigned int max_exponent)
 {
 	unsigned int interval;
 
-	interval = fls(8 * ep->desc.bInterval) - 1;
-	interval = clamp_val(interval, 3, 10);
-	if ((1 << interval) != 8 * ep->desc.bInterval)
+	interval = fls(desc_interval) - 1;
+	interval = clamp_val(interval, min_exponent, max_exponent);
+	if ((1 << interval) != desc_interval)
 		dev_warn(&udev->dev,
 			 "ep %#x - rounding interval to %d microframes, ep desc says %d microframes\n",
 			 ep->desc.bEndpointAddress,
 			 1 << interval,
-			 8 * ep->desc.bInterval);
+			 desc_interval);
 
 	return interval;
 }
 
+static unsigned int xhci_parse_microframe_interval(struct usb_device *udev,
+		struct usb_host_endpoint *ep)
+{
+	return xhci_microframes_to_exponent(udev, ep,
+			ep->desc.bInterval, 0, 15);
+}
+
+
+static unsigned int xhci_parse_frame_interval(struct usb_device *udev,
+		struct usb_host_endpoint *ep)
+{
+	return xhci_microframes_to_exponent(udev, ep,
+			ep->desc.bInterval * 8, 3, 10);
+}
+
 /* Return the polling or NAK interval.
  *
  * The polling interval is expressed in "microframes".  If xHCI's Interval field
@@ -1164,7 +1180,7 @@ static unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
 		/* Max NAK rate */
 		if (usb_endpoint_xfer_control(&ep->desc) ||
 		    usb_endpoint_xfer_bulk(&ep->desc)) {
-			interval = ep->desc.bInterval;
+			interval = xhci_parse_microframe_interval(udev, ep);
 			break;
 		}
 		/* Fall through - SS and HS isoc/int have same decoding */
@@ -2141,7 +2157,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 	unsigned int	val, val2;
 	u64		val_64;
 	struct xhci_segment	*seg;
-	u32 page_size;
+	u32 page_size, temp;
 	int i;
 
 	page_size = xhci_readl(xhci, &xhci->op_regs->page_size);
@@ -2324,6 +2340,15 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
 
 	INIT_LIST_HEAD(&xhci->lpm_failed_devs);
 
+	/* Enable USB 3.0 device notifications for function remote wake, which
+	 * is necessary for allowing USB 3.0 devices to do remote wakeup from
+	 * U3 (device suspend).
+	 */
+	temp = xhci_readl(xhci, &xhci->op_regs->dev_notification);
+	temp &= ~DEV_NOTE_MASK;
+	temp |= DEV_NOTE_FWAKE;
+	xhci_writel(xhci, temp, &xhci->op_regs->dev_notification);
+
 	return 0;
 
 fail:
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index b90e1386418b..3a033240ec64 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1204,6 +1204,7 @@ static void handle_vendor_event(struct xhci_hcd *xhci,
  *
  * Returns a zero-based port number, which is suitable for indexing into each of
  * the split roothubs' port arrays and bus state arrays.
+ * Add one to it in order to call xhci_find_slot_id_by_port.
  */
 static unsigned int find_faked_portnum_from_hw_portnum(struct usb_hcd *hcd,
 		struct xhci_hcd *xhci, u32 port_id)
@@ -1236,6 +1237,26 @@ static unsigned int find_faked_portnum_from_hw_portnum(struct usb_hcd *hcd,
 	return num_similar_speed_ports;
 }
 
+static void handle_device_notification(struct xhci_hcd *xhci,
+		union xhci_trb *event)
+{
+	u32 slot_id;
+	struct usb_device *udev;
+
+	slot_id = TRB_TO_SLOT_ID(event->generic.field[3]);
+	if (!xhci->devs[slot_id]) {
+		xhci_warn(xhci, "Device Notification event for "
+				"unused slot %u\n", slot_id);
+		return;
+	}
+
+	xhci_dbg(xhci, "Device Wake Notification event for slot ID %u\n",
+			slot_id);
+	udev = xhci->devs[slot_id]->udev;
+	if (udev && udev->parent)
+		usb_wakeup_notification(udev->parent, udev->portnum);
+}
+
 static void handle_port_status(struct xhci_hcd *xhci,
 		union xhci_trb *event)
 {
@@ -1320,20 +1341,21 @@ static void handle_port_status(struct xhci_hcd *xhci,
 		}
 
 		if (DEV_SUPERSPEED(temp)) {
-			xhci_dbg(xhci, "resume SS port %d\n", port_id);
+			xhci_dbg(xhci, "remote wake SS port %d\n", port_id);
+			/* Set a flag to say the port signaled remote wakeup,
+			 * so we can tell the difference between the end of
+			 * device and host initiated resume.
+			 */
+			bus_state->port_remote_wakeup |= 1 << faked_port_index;
+			xhci_test_and_clear_bit(xhci, port_array,
+					faked_port_index, PORT_PLC);
 			xhci_set_link_state(xhci, port_array, faked_port_index,
 						XDEV_U0);
-			slot_id = xhci_find_slot_id_by_port(hcd, xhci,
-					faked_port_index);
-			if (!slot_id) {
-				xhci_dbg(xhci, "slot_id is zero\n");
-				goto cleanup;
-			}
-			xhci_ring_device(xhci, slot_id);
-			xhci_dbg(xhci, "resume SS port %d finished\n", port_id);
-			/* Clear PORT_PLC */
-			xhci_test_and_clear_bit(xhci, port_array,
-						faked_port_index, PORT_PLC);
+			/* Need to wait until the next link state change
+			 * indicates the device is actually in U0.
+			 */
+			bogus_port_status = true;
+			goto cleanup;
 		} else {
 			xhci_dbg(xhci, "resume HS port %d\n", port_id);
 			bus_state->resume_done[faked_port_index] = jiffies +
@@ -1344,6 +1366,32 @@ static void handle_port_status(struct xhci_hcd *xhci,
 		}
 	}
 
+	if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_U0 &&
+			DEV_SUPERSPEED(temp)) {
+		xhci_dbg(xhci, "resume SS port %d finished\n", port_id);
+		/* We've just brought the device into U0 through either the
+		 * Resume state after a device remote wakeup, or through the
+		 * U3Exit state after a host-initiated resume.  If it's a device
+		 * initiated remote wake, don't pass up the link state change,
+		 * so the roothub behavior is consistent with external
+		 * USB 3.0 hub behavior.
+		 */
+		slot_id = xhci_find_slot_id_by_port(hcd, xhci,
+				faked_port_index + 1);
+		if (slot_id && xhci->devs[slot_id])
+			xhci_ring_device(xhci, slot_id);
+		if (bus_state->port_remote_wakeup && (1 << faked_port_index)) {
+			bus_state->port_remote_wakeup &=
+				~(1 << faked_port_index);
+			xhci_test_and_clear_bit(xhci, port_array,
+					faked_port_index, PORT_PLC);
+			usb_wakeup_notification(hcd->self.root_hub,
+					faked_port_index + 1);
+			bogus_port_status = true;
+			goto cleanup;
+		}
+	}
+
 	if (hcd->speed != HCD_USB3)
 		xhci_test_and_clear_bit(xhci, port_array, faked_port_index,
 					PORT_PLC);
@@ -2276,6 +2324,9 @@ static int xhci_handle_event(struct xhci_hcd *xhci)
 		else
 			update_ptrs = 0;
 		break;
+	case TRB_TYPE(TRB_DEV_NOTE):
+		handle_device_notification(xhci, event);
+		break;
 	default:
 		if ((le32_to_cpu(event->event_cmd.flags) & TRB_TYPE_BITMASK) >=
 		    TRB_TYPE(48))
@@ -3323,7 +3374,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
 		/* Check TD length */
 		if (running_total != td_len) {
 			xhci_err(xhci, "ISOC TD length unmatch\n");
-			return -EINVAL;
+			ret = -EINVAL;
+			goto cleanup;
 		}
 	}
 
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 6bbe3c3a7111..c939f5fdef9e 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -352,6 +352,11 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd)
 		/* hcd->irq is -1, we have MSI */
 		return 0;
 
+	if (!pdev->irq) {
+		xhci_err(xhci, "No msi-x/msi found and no IRQ in BIOS\n");
+		return -EINVAL;
+	}
+
 	/* fall back to legacy interrupt*/
 	ret = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED,
 			hcd->irq_descr, hcd);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index fb99c8379142..0f4936956103 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1344,6 +1344,7 @@ struct xhci_bus_state {
 	/* ports suspend status arrays - max 31 ports for USB2, 15 for USB3 */
 	u32			port_c_suspend;
 	u32			suspended_ports;
+	u32			port_remote_wakeup;
 	unsigned long		resume_done[USB_MAXCHILDREN];
 };