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/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 1a99624..961d663 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1729,7 +1729,7 @@
 	 * Use resource IRQ flags if set by platform device setup.
 	 */
 	irqflags |= IRQF_SHARED;
-	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | irqflags);
+	retval = usb_add_hcd(hcd, irq, irqflags);
 	if (retval != 0)
 		goto err6;