static int ohci_brcm_suspend(struct device *dev)
{
struct usb_hcd *hcd = dev_get_drvdata(dev);
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
unsigned long flags;
int rc = 0;
/* Root hub was already suspended. Disable irq emission and
* mark HW unaccessible, bail out if RH has been resumed. Use
* the spinlock to properly synchronize with possible pending
* RH suspend or resume activity.
*/
spin_lock_irqsave(&ohci->lock, flags);
if (hcd->state != HC_STATE_SUSPENDED) {
rc = -EINVAL;
goto bail;
}
ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
(void)ohci_readl(ohci, &ohci->regs->intrdisable);
brcm_usb_suspend(hcd);
bail:
spin_unlock_irqrestore(&ohci->lock, flags);
return rc;
}
static int ehci_brcm_suspend(struct usb_hcd *hcd)
{
int ret;
ret = ehci_bus_suspend(hcd);
ehci_prepare_ports_for_controller_suspend(hcd_to_ehci(hcd), false);
brcm_usb_suspend(hcd);
return ret;
}