static int ohci_rbus_resume (struct usb_hcd *hcd)
{
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
int retval = 0;
#ifdef CONFIG_PMAC_PBOOK
if (_machine == _MACH_Pmac) {
struct device_node *of_node;
/* Re-enable USB PAD & cell clock */
of_node = pci_device_to_OF_node (to_pci_dev(hcd->self.controller));
if (of_node)
pmac_call_feature (PMAC_FTR_USB_ENABLE, of_node, 0, 1);
}
#endif /* CONFIG_PMAC_PBOOK */
/* resume root hub */
if (time_before (jiffies, ohci->next_statechange))
msleep (100);
#ifdef CONFIG_USB_SUSPEND
/* get extra cleanup even if remote wakeup isn't in use */
retval = usb_resume_device (hcd->self.root_hub);
#else
usb_lock_device (hcd->self.root_hub);
retval = ohci_hub_resume (hcd);
usb_unlock_device (hcd->self.root_hub);
#endif
return retval;
}
static int ohci_omap_resume(struct device *dev, u32 level)
{
struct ohci_hcd *ohci = hcd_to_ohci(dev_get_drvdata(dev));
int status = 0;
if (level != RESUME_POWER_ON)
return 0;
switch (dev->power.power_state) {
case 0:
break;
case 4:
if (time_before(jiffies, ohci->next_statechange))
msleep(5);
ohci->next_statechange = jiffies;
omap_ohci_clock_power(1);
/* FALLTHROUGH */
default:
dev_dbg(dev, "resume from %d\n", dev->power.power_state);
#ifdef CONFIG_USB_SUSPEND
/* get extra cleanup even if remote wakeup isn't in use */
status = usb_resume_device(ohci_to_hcd(ohci)->self.root_hub);
#else
down(&ohci_to_hcd(ohci)->self.root_hub->serialize);
status = ohci_hub_resume(ohci_to_hcd(ohci));
up(&ohci_to_hcd(ohci)->self.root_hub->serialize);
#endif
if (status == 0)
dev->power.power_state = 0;
break;
}
return status;
}
static void ohci_rh_resume (void *_hcd)
{
struct usb_hcd *hcd = _hcd;
usb_lock_device (hcd->self.root_hub);
(void) ohci_hub_resume (hcd);
usb_unlock_device (hcd->self.root_hub);
}
static void ohci_rh_resume (void *_hcd)
{
struct usb_hcd *hcd = _hcd;
down (&hcd->self.root_hub->serialize);
(void) ohci_hub_resume (hcd);
up (&hcd->self.root_hub->serialize);
}