diff options
Diffstat (limited to 'drivers/usb/host')
-rw-r--r-- | drivers/usb/host/ehci-au1xxx.c | 23 | ||||
-rw-r--r-- | drivers/usb/host/ehci-hcd.c | 9 | ||||
-rw-r--r-- | drivers/usb/host/ohci-at91.c | 88 | ||||
-rw-r--r-- | drivers/usb/host/ohci-au1xxx.c | 6 | ||||
-rw-r--r-- | drivers/usb/host/ohci-ep93xx.c | 225 | ||||
-rw-r--r-- | drivers/usb/host/ohci-hcd.c | 8 | ||||
-rw-r--r-- | drivers/usb/host/ohci-hub.c | 4 | ||||
-rw-r--r-- | drivers/usb/host/pci-quirks.c | 8 | ||||
-rw-r--r-- | drivers/usb/host/uhci-q.c | 4 |
9 files changed, 319 insertions, 56 deletions
diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c index d66867aa527e..26ed757d22a6 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 cee6f538de0a..d63177a8eaea 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 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_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 689261e44018..f7a975d5db09 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 000000000000..6531c4d26527 --- /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 8fb842ed5f6e..94d8cf4b36c1 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 0bb972b58336..5b0a23fd798b 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 dff60568b4a1..20861650905e 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 c9d72ac0a1d7..66c3f61bc9d1 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -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; } |