static int ohci_init (struct ohci_hcd *ohci)
{
int ret;
+ struct usb_hcd *hcd = ohci_to_hcd(ohci);
disable (ohci);
- ohci->regs = ohci_to_hcd(ohci)->regs;
+ ohci->regs = hcd->regs;
ohci->next_statechange = jiffies;
+ /* REVISIT this BIOS handshake is now moved into PCI "quirks", and
+ * was never needed for most non-PCI systems ... remove the code?
+ */
+
#ifndef IR_DISABLE
/* SMM owns the HC? not for long! */
if (!no_handshake && ohci_readl (ohci,
/* Disable HC interrupts */
ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
- // flush the writes
- (void) ohci_readl (ohci, &ohci->regs->control);
+
+ /* flush the writes, and save key bits like RWC */
+ if (ohci_readl (ohci, &ohci->regs->control) & OHCI_CTRL_RWC)
+ ohci->hc_control |= OHCI_CTRL_RWC;
/* Read the number of ports unless overridden */
if (ohci->num_ports == 0)
if (ohci->hcca)
return 0;
- ohci->hcca = dma_alloc_coherent (ohci_to_hcd(ohci)->self.controller,
+ ohci->hcca = dma_alloc_coherent (hcd->self.controller,
sizeof *ohci->hcca, &ohci->hcca_dma, 0);
if (!ohci->hcca)
return -ENOMEM;
if ((ret = ohci_mem_init (ohci)) < 0)
- ohci_stop (ohci_to_hcd(ohci));
+ ohci_stop (hcd);
+ else {
+ register_reboot_notifier (&ohci->reboot_notifier);
+ create_debug_files (ohci);
+ }
return ret;
-
}
/*-------------------------------------------------------------------------*/
{
u32 mask, temp;
int first = ohci->fminterval == 0;
+ struct usb_hcd *hcd = ohci_to_hcd(ohci);
disable (ohci);
/* also: power/overcurrent flags in roothub.a */
}
- /* Reset USB nearly "by the book". RemoteWakeupConnected
- * saved if boot firmware (BIOS/SMM/...) told us it's connected
- * (for OHCI integrated on mainboard, it normally is)
+ /* Reset USB nearly "by the book". RemoteWakeupConnected was
+ * saved if boot firmware (BIOS/SMM/...) told us it's connected,
+ * or if bus glue did the same (e.g. for PCI add-in cards with
+ * PCI PM support).
*/
- ohci->hc_control = ohci_readl (ohci, &ohci->regs->control);
ohci_dbg (ohci, "resetting from state '%s', control = 0x%x\n",
hcfs2string (ohci->hc_control & OHCI_CTRL_HCFS),
- ohci->hc_control);
-
- if (ohci->hc_control & OHCI_CTRL_RWC
- && !(ohci->flags & OHCI_QUIRK_AMD756))
- ohci_to_hcd(ohci)->can_wakeup = 1;
+ ohci_readl (ohci, &ohci->regs->control));
+ if ((ohci->hc_control & OHCI_CTRL_RWC) != 0
+ && !device_may_wakeup(hcd->self.controller))
+ device_init_wakeup(hcd->self.controller, 1);
switch (ohci->hc_control & OHCI_CTRL_HCFS) {
case OHCI_USB_OPER:
ohci->hc_control &= OHCI_CTRL_RWC;
ohci->hc_control |= OHCI_CONTROL_INIT | OHCI_USB_OPER;
ohci_writel (ohci, ohci->hc_control, &ohci->regs->control);
- ohci_to_hcd(ohci)->state = HC_STATE_RUNNING;
+ hcd->state = HC_STATE_RUNNING;
/* wake on ConnectStatusChange, matching external hubs */
ohci_writel (ohci, RH_HS_DRWE, &ohci->regs->roothub.status);
// POTPGT delay is bits 24-31, in 2 ms units.
mdelay ((temp >> 23) & 0x1fe);
- ohci_to_hcd(ohci)->state = HC_STATE_RUNNING;
+ hcd->state = HC_STATE_RUNNING;
ohci_dump (ohci, 1);
- if (ohci_to_hcd(ohci)->self.root_hub == NULL) {
- register_reboot_notifier (&ohci->reboot_notifier);
- create_debug_files (ohci);
- }
-
return 0;
}
i = ohci->num_ports;
while (i--)
ohci_writel (ohci, RH_PS_PSS,
- &ohci->regs->roothub.portstatus [temp]);
+ &ohci->regs->roothub.portstatus [i]);
ohci_dbg (ohci, "restart complete\n");
}
return 0;