Merge "usb: core: Enable xhci irq after starting controller"

{

	u32 temp;

	int ret;

	struct usb_hcd *hcd = xhci_to_hcd(xhci);

	/*

	 * disable irq to avoid xhci_irq flooding due to unhandeled port

	 * change event in halt state, as soon as xhci_start clears halt bit

	 */

	disable_irq(hcd->irq);

	temp = readl(&xhci->op_regs->command);

	temp |= (CMD_RUN);

	xhci_dbg_trace(xhci, trace_xhci_dbg_init, "// Turn on HC, cmd = 0x%x.",

		/* clear state flags. Including dying, halted or removing */

		xhci->xhc_state = 0;

	enable_irq(hcd->irq);

	return ret;

}