diff --git a/[refs] b/[refs]
index 3cedc6aa6f77..b3c70ca991e7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c6c56bdda160421b9c98d44e74cc24c7444133ab
+refs/heads/master: 5f20b85dc22facf2335205b6569c86c0f8239e81
diff --git a/trunk/arch/powerpc/platforms/wsp/opb_pic.c b/trunk/arch/powerpc/platforms/wsp/opb_pic.c
index be05631a3c1c..19f353dfcd03 100644
--- a/trunk/arch/powerpc/platforms/wsp/opb_pic.c
+++ b/trunk/arch/powerpc/platforms/wsp/opb_pic.c
@@ -320,7 +320,8 @@ void __init opb_pic_init(void)
 		}
 
 		/* Attach opb interrupt handler to new virtual IRQ */
-		rc = request_irq(virq, opb_irq_handler, 0, "OPB LS Cascade", opb);
+		rc = request_irq(virq, opb_irq_handler, IRQF_NO_THREAD,
+				 "OPB LS Cascade", opb);
 		if (rc) {
 			printk("opb: request_irq failed: %d\n", rc);
 			continue;