{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
+ struct pci_dev *p_smbus;
+ u8 rev;
u32 temp;
int retval;
case 0x00d8: /* CK8 */
case 0x00e8: /* CK8S */
if (pci_set_consistent_dma_mask(pdev,
- DMA_31BIT_MASK) < 0)
+ DMA_BIT_MASK(31)) < 0)
ehci_warn(ehci, "can't enable NVidia "
"workaround for >2GB RAM\n");
break;
switch (pdev->vendor) {
case PCI_VENDOR_ID_TDI:
if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {
- ehci->is_tdi_rh_tt = 1;
+ hcd->has_tt = 1;
tdi_reset(ehci);
}
break;
break;
}
break;
+ case PCI_VENDOR_ID_VIA:
+ if (pdev->device == 0x3104 && (pdev->revision & 0xf0) == 0x60) {
+ u8 tmp;
+
+ /* The VT6212 defaults to a 1 usec EHCI sleep time which
+ * hogs the PCI bus *badly*. Setting bit 5 of 0x4B makes
+ * that sleep time use the conventional 10 usec.
+ */
+ pci_read_config_byte(pdev, 0x4b, &tmp);
+ if (tmp & 0x20)
+ break;
+ pci_write_config_byte(pdev, 0x4b, tmp | 0x20);
+ }
+ break;
+ case PCI_VENDOR_ID_ATI:
+ /* SB600 and old version of SB700 have a bug in EHCI controller,
+ * which causes usb devices lose response in some cases.
+ */
+ if ((pdev->device == 0x4386) || (pdev->device == 0x4396)) {
+ p_smbus = pci_get_device(PCI_VENDOR_ID_ATI,
+ PCI_DEVICE_ID_ATI_SBX00_SMBUS,
+ NULL);
+ if (!p_smbus)
+ break;
+ rev = p_smbus->revision;
+ if ((pdev->device == 0x4386) || (rev == 0x3a)
+ || (rev == 0x3b)) {
+ u8 tmp;
+ ehci_info(ehci, "applying AMD SB600/SB700 USB "
+ "freeze workaround\n");
+ pci_read_config_byte(pdev, 0x53, &tmp);
+ pci_write_config_byte(pdev, 0x53, tmp | (1<<3));
+ }
+ pci_dev_put(p_smbus);
+ }
+ break;
}
ehci_reset(ehci);
/* Serial Bus Release Number is at PCI 0x60 offset */
pci_read_config_byte(pdev, 0x60, &ehci->sbrn);
- /* Workaround current PCI init glitch: wakeup bits aren't
- * being set from PCI PM capability.
+ /* Keep this around for a while just in case some EHCI
+ * implementation uses legacy PCI PM support. This test
+ * can be removed on 17 Dec 2009 if the dev_warn() hasn't
+ * been triggered by then.
*/
if (!device_can_wakeup(&pdev->dev)) {
u16 port_wake;
pci_read_config_word(pdev, 0x62, &port_wake);
- if (port_wake & 0x0001)
- device_init_wakeup(&pdev->dev, 1);
+ if (port_wake & 0x0001) {
+ dev_warn(&pdev->dev, "Enabling legacy PCI PM\n");
+ device_set_wakeup_capable(&pdev->dev, 1);
+ }
}
#ifdef CONFIG_USB_SUSPEND
ehci_warn(ehci, "selective suspend/wakeup unavailable\n");
#endif
+ ehci_port_power(ehci, 1);
retval = ehci_pci_reinit(ehci, pdev);
done:
return retval;
* Also they depend on separate root hub suspend/resume.
*/
-static int ehci_pci_suspend(struct usb_hcd *hcd, pm_message_t message)
+static int ehci_pci_suspend(struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
unsigned long flags;
ehci_writel(ehci, 0, &ehci->regs->intr_enable);
(void)ehci_readl(ehci, &ehci->regs->intr_enable);
- /* make sure snapshot being resumed re-enumerates everything */
- if (message.event == PM_EVENT_PRETHAW) {
- ehci_halt(ehci);
- ehci_reset(ehci);
- }
-
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
bail:
spin_unlock_irqrestore (&ehci->lock, flags);
return rc;
}
-static int ehci_pci_resume(struct usb_hcd *hcd)
+static int ehci_pci_resume(struct usb_hcd *hcd, bool hibernated)
{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
/* Mark hardware accessible again as we are out of D3 state by now */
set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
- /* If CF is still set, we maintained PCI Vaux power.
+ /* If CF is still set and we aren't resuming from hibernation
+ * then we maintained PCI Vaux power.
* Just undo the effect of ehci_pci_suspend().
*/
- if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF) {
+ if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF &&
+ !hibernated) {
int mask = INTR_MASK;
- if (!device_may_wakeup(&hcd->self.root_hub->dev))
+ 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;
}
- ehci_dbg(ehci, "lost power, restarting\n");
usb_root_hub_lost_power(hcd->self.root_hub);
/* Else reset, to cope with power loss or flush-to-storage
/* emptying the schedule aborts any urbs */
spin_lock_irq(&ehci->lock);
if (ehci->reclaim)
- ehci->reclaim_ready = 1;
+ end_unlink_async(ehci);
ehci_work(ehci);
spin_unlock_irq(&ehci->lock);
/* here we "know" root ports should always stay powered */
ehci_port_power(ehci, 1);
- ehci_handover_companion_ports(ehci);
hcd->state = HC_STATE_SUSPENDED;
return 0;
.reset = ehci_pci_setup,
.start = ehci_run,
#ifdef CONFIG_PM
- .suspend = ehci_pci_suspend,
- .resume = ehci_pci_resume,
+ .pci_suspend = ehci_pci_suspend,
+ .pci_resume = ehci_pci_resume,
#endif
.stop = ehci_stop,
.shutdown = ehci_shutdown,
.urb_enqueue = ehci_urb_enqueue,
.urb_dequeue = ehci_urb_dequeue,
.endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
/*
* scheduling support
.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,
};
/*-------------------------------------------------------------------------*/
.probe = usb_hcd_pci_probe,
.remove = usb_hcd_pci_remove,
+ .shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM
- .suspend = usb_hcd_pci_suspend,
- .resume = usb_hcd_pci_resume,
+#ifdef CONFIG_PM_SLEEP
+ .driver = {
+ .pm = &usb_hcd_pci_pm_ops
+ },
#endif
- .shutdown = usb_hcd_pci_shutdown,
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff