diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 85b1bb3..8fb93d0 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -790,7 +790,7 @@
 			 */
 			if (cpu_pmu &&
 				cpu_pmu->plat_device->dev.platform_data) {
-				irq = platform_get_irq(cpu_pmu->plat_device, 1);
+				irq = platform_get_irq(cpu_pmu->plat_device, 0);
 				smp_call_function_single((int)hcpu,
 						disable_irq_callback, &irq, 1);
 			}
@@ -803,7 +803,7 @@
 			 */
 			if (cpu_pmu &&
 				cpu_pmu->plat_device->dev.platform_data) {
-				irq = platform_get_irq(cpu_pmu->plat_device, 1);
+				irq = platform_get_irq(cpu_pmu->plat_device, 0);
 				smp_call_function_single((int)hcpu,
 						enable_irq_callback, &irq, 1);
 			}
diff --git a/arch/arm/mach-msm/perf_debug.c b/arch/arm/mach-msm/perf_debug.c
index 8c942ad..bbd0852 100644
--- a/arch/arm/mach-msm/perf_debug.c
+++ b/arch/arm/mach-msm/perf_debug.c
@@ -25,6 +25,7 @@
 	"0  msm: perf: add debug patch logging framework\n"
 	"1  Perf: Restore counter after powercollapse for generic ARM PMU's\n"
 	"2  Perf: Toggle PMU IRQ when CPU's are hotplugged\n"
+	"3  Perf: Correct irq for CPU hotplug detection\n"
 ;
 
 static ssize_t desc_read(struct file *fp, char __user *buf,