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-sm501.c b/drivers/usb/host/ohci-sm501.c
index 78918ca..968cea2 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -165,7 +165,7 @@
 
 	ohci_hcd_init(hcd_to_ohci(hcd));
 
-	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
+	retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
 	if (retval)
 		goto err5;