USB: irq: Remove IRQF_DISABLED

This flag is a NOOP and can be removed now.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 50d3fcf..a111099 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -223,7 +223,7 @@
 	*((struct xhci_hcd **) xhci->shared_hcd->hcd_priv) = xhci;
 
 	retval = usb_add_hcd(xhci->shared_hcd, dev->irq,
-			IRQF_DISABLED | IRQF_SHARED);
+			IRQF_SHARED);
 	if (retval)
 		goto put_usb3_hcd;
 	/* Roothub already marked as USB 3.0 speed */