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/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 0c12f4e..d24cc89d 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -143,7 +143,7 @@
 
 	ohci_hcd_init(ohci);
 
-	rv = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	rv = usb_add_hcd(hcd, irq, 0);
 	if (rv == 0)
 		return 0;