---
 drivers/cpufreq/cpufreq.c |   11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

Index: linux-2.6.31-rc3/drivers/cpufreq/cpufreq.c
===================================================================
--- linux-2.6.31-rc3.orig/drivers/cpufreq/cpufreq.c	2009-07-14 15:46:42.000000000 +0800
+++ linux-2.6.31-rc3/drivers/cpufreq/cpufreq.c	2009-07-22 10:24:49.000000000 +0800
@@ -1250,6 +1250,8 @@
 	struct cpufreq_policy *cpu_policy;
 
 	dprintk("suspending cpu %u\n", cpu);
+	printk(KERN_DEBUG "cpufreq driver name is %s, irq disabled %d\n",
+			cpufreq_driver->name, irqs_disabled());
 
 	if (!cpu_online(cpu))
 		return 0;
@@ -1258,7 +1260,7 @@
 	 * we need to grab the correct cpu policy, as to check
 	 * whether we really run on this CPU.
 	 */
-
+	printk(KERN_DEBUG "irq_disabled %d in %d\n", irqs_disabled(), __LINE__);
 	cpu_policy = cpufreq_cpu_get(cpu);
 	if (!cpu_policy)
 		return -EINVAL;
@@ -1276,6 +1278,8 @@
 		}
 	}
 
+	printk(KERN_DEBUG "irq_disabled %d in %d after driver suspend\n",
+				irqs_disabled(), __LINE__);
 	if (cpufreq_driver->flags & CPUFREQ_CONST_LOOPS)
 		goto out;
 
@@ -1287,6 +1291,8 @@
 		       "frequency is what timing core thinks it is.\n");
 		goto out;
 	}
+	printk(KERN_DEBUG "irq_disabled %d in %d after driver get\n",
+				irqs_disabled(), __LINE__);
 
 	if (unlikely(cur_freq != cpu_policy->cur)) {
 		struct cpufreq_freqs freqs;
@@ -1307,8 +1313,11 @@
 		cpu_policy->cur = cur_freq;
 	}
 
+	printk(KERN_DEBUG "irq_disabled %d in %d before cpu_put\n", 
+				irqs_disabled(), __LINE__);
 out:
 	cpufreq_cpu_put(cpu_policy);
+	printk(KERN_DEBUG "irq_disabled %d in %d after cpu_put\n", irqs_disabled(), __LINE__);
 	return ret;
 }