fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / usb / host / ohci-pci.c

diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index 1b09dde..596e0b4 100644 (file)
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -3,17 +3,17 @@
  *
  * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
  * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
- * 
+ *
  * [ Initialisation is based on Linus'  ]
  * [ uhci code and gregs ohci fragments ]
  * [ (C) Copyright 1999 Linus Torvalds  ]
  * [ (C) Copyright 1999 Gregory P. Smith]
- * 
+ *
  * PCI Bus Glue
  *
  * This file is licenced under the GPL.
  */
- 
+
 #ifndef CONFIG_PCI
 #error "This file is PCI bus glue.  CONFIG_PCI must be defined."
 #endif
@@ -35,7 +35,10 @@ ohci_pci_start (struct usb_hcd *hcd)
        struct ohci_hcd *ohci = hcd_to_ohci (hcd);
        int             ret;
 
-       if(hcd->self.controller && hcd->self.controller->bus == &pci_bus_type) {
+       /* REVISIT this whole block should move to reset(), which handles
+        * all the other one-time init.
+        */
+       if (hcd->self.controller) {
                struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
 
                /* AMD 756, for most chips (early revs), corrupts register
@@ -45,7 +48,8 @@ ohci_pci_start (struct usb_hcd *hcd)
                                && pdev->device == 0x740c) {
                        ohci->flags = OHCI_QUIRK_AMD756;
                        ohci_dbg (ohci, "AMD756 erratum 4 workaround\n");
-                       // also somewhat erratum 10 (suspend/resume issues)
+                       /* also erratum 10 (suspend/resume issues) */
+                       device_init_wakeup(&hcd->self.root_hub->dev, 0);
                }
 
                /* FIXME for some of the early AMD 760 southbridges, OHCI
@@ -69,16 +73,17 @@ ohci_pci_start (struct usb_hcd *hcd)
                else if (pdev->vendor == PCI_VENDOR_ID_NS) {
                        struct pci_dev  *b;
 
-                       b  = pci_find_slot (pdev->bus->number,
+                       b  = pci_get_slot (pdev->bus,
                                        PCI_DEVFN (PCI_SLOT (pdev->devfn), 1));
                        if (b && b->device == PCI_DEVICE_ID_NS_87560_LIO
                                        && b->vendor == PCI_VENDOR_ID_NS) {
                                ohci->flags |= OHCI_QUIRK_SUPERIO;
                                ohci_dbg (ohci, "Using NSC SuperIO setup\n");
                        }
+                       pci_dev_put(b);
                }
 
-               /* Check for Compaq's ZFMicro chipset, which needs short 
+               /* Check for Compaq's ZFMicro chipset, which needs short
                 * delays before control or bulk queues get re-activated
                 * in finish_unlinks()
                 */
@@ -88,6 +93,13 @@ ohci_pci_start (struct usb_hcd *hcd)
                        ohci_dbg (ohci,
                                "enabled Compaq ZFMicro chipset quirk\n");
                }
+
+               /* RWC may not be set for add-in PCI cards, since boot
+                * firmware probably ignored them.  This transfers PCI
+                * PM wakeup capabilities (once the PCI layer is fixed).
+                */
+               if (device_may_wakeup(&pdev->dev))
+                       ohci->hc_control |= OHCI_CTRL_RWC;
        }
 
        /* NOTE: there may have already been a first reset, to
@@ -124,6 +136,11 @@ static int ohci_pci_suspend (struct usb_hcd *hcd, pm_message_t message)
        }
        ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
        (void)ohci_readl(ohci, &ohci->regs->intrdisable);
+
+       /* make sure snapshot being resumed re-enumerates everything */
+       if (message.event == PM_EVENT_PRETHAW)
+               ohci_usb_reset(ohci);
+
        clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
  bail:
        spin_unlock_irqrestore (&ohci->lock, flags);
@@ -160,11 +177,14 @@ static const struct hc_driver ohci_pci_hc_driver = {
         */
        .reset =                ohci_pci_reset,
        .start =                ohci_pci_start,
+       .stop =                 ohci_stop,
+       .shutdown =             ohci_shutdown,
+
 #ifdef CONFIG_PM
+       /* these suspend/resume entries are for upstream PCI glue ONLY */
        .suspend =              ohci_pci_suspend,
        .resume =               ohci_pci_resume,
 #endif
-       .stop =                 ohci_stop,
 
        /*
         * managing i/o requests and associated device resources
@@ -183,6 +203,7 @@ static const struct hc_driver ohci_pci_hc_driver = {
         */
        .hub_status_data =      ohci_hub_status_data,
        .hub_control =          ohci_hub_control,
+       .hub_irq_enable =       ohci_rhsc_enable,
 #ifdef CONFIG_PM
        .bus_suspend =          ohci_bus_suspend,
        .bus_resume =           ohci_bus_resume,
@@ -195,7 +216,7 @@ static const struct hc_driver ohci_pci_hc_driver = {
 
 static const struct pci_device_id pci_ids [] = { {
        /* handle any USB OHCI controller */
-       PCI_DEVICE_CLASS((PCI_CLASS_SERIAL_USB << 8) | 0x10, ~0),
+       PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_OHCI, ~0),
        .driver_data =  (unsigned long) &ohci_pci_hc_driver,
        }, { /* end: all zeroes */ }
 };
@@ -213,10 +234,12 @@ static struct pci_driver ohci_pci_driver = {
        .suspend =      usb_hcd_pci_suspend,
        .resume =       usb_hcd_pci_resume,
 #endif
+
+       .shutdown =     usb_hcd_pci_shutdown,
 };
 
- 
-static int __init ohci_hcd_pci_init (void) 
+
+static int __init ohci_hcd_pci_init (void)
 {
        printk (KERN_DEBUG "%s: " DRIVER_INFO " (PCI)\n", hcd_name);
        if (usb_disabled())
@@ -230,8 +253,8 @@ module_init (ohci_hcd_pci_init);
 
 /*-------------------------------------------------------------------------*/
 
-static void __exit ohci_hcd_pci_cleanup (void) 
-{      
+static void __exit ohci_hcd_pci_cleanup (void)
+{
        pci_unregister_driver (&ohci_pci_driver);
 }
 module_exit (ohci_hcd_pci_cleanup);