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-ath79.c b/drivers/usb/host/ohci-ath79.c
index c620c50..18d574d 100644
--- a/drivers/usb/host/ohci-ath79.c
+++ b/drivers/usb/host/ohci-ath79.c
@@ -111,7 +111,7 @@
 
 	ohci_hcd_init(hcd_to_ohci(hcd));
 
-	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	ret = usb_add_hcd(hcd, irq, 0);
 	if (ret)
 		goto err_stop_hcd;