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/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index bca3f41..d3f81c9 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -1633,7 +1633,7 @@
 
 	disable_controller(r8a66597); /* make sure controller is disabled */
 
-	ret = request_irq(irq, r8a66597_irq, IRQF_DISABLED | IRQF_SHARED,
+	ret = request_irq(irq, r8a66597_irq, IRQF_SHARED,
 			udc_name, r8a66597);
 	if (ret < 0) {
 		printk(KERN_ERR "request_irq error (%d)\n", ret);