From d3e17deb1790ee2123e9d11420be6411d1768b47 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 22 Mar 2011 17:08:15 +0100
Subject: [PATCH] genirq: Provide a lockdep helper

Some irq chips need to call genirq functions for nested chips from
their callbacks. That upsets lockdep. So they need to set a different
lock class for those nested chips. Provide a helper function to avoid
open access to irq_desc.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
Reading git-format-patch failed