unsigned int val, val2;
u64 val_64;
struct xhci_segment *seg;
- u32 page_size;
+ u32 page_size, temp;
int i;
page_size = xhci_readl(xhci, &xhci->op_regs->page_size);
INIT_LIST_HEAD(&xhci->lpm_failed_devs);
+ /* Enable USB 3.0 device notifications for function remote wake, which
+ * is necessary for allowing USB 3.0 devices to do remote wakeup from
+ * U3 (device suspend).
+ */
+ temp = xhci_readl(xhci, &xhci->op_regs->dev_notification);
+ temp &= ~DEV_NOTE_MASK;
+ temp |= DEV_NOTE_FWAKE;
+ xhci_writel(xhci, temp, &xhci->op_regs->dev_notification);
+
return 0;
fail: