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-rw-r--r--drivers/usb/host/ehci-au1xxx.c23
-rw-r--r--drivers/usb/host/ehci-hcd.c9
-rw-r--r--drivers/usb/host/ohci-at91.c88
-rw-r--r--drivers/usb/host/ohci-au1xxx.c6
-rw-r--r--drivers/usb/host/ohci-ep93xx.c225
-rw-r--r--drivers/usb/host/ohci-hcd.c8
-rw-r--r--drivers/usb/host/ohci-hub.c4
-rw-r--r--drivers/usb/host/pci-quirks.c8
-rw-r--r--drivers/usb/host/uhci-q.c8
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;
}