--- zzzz-none-000/linux-4.19.183/kernel/irq/handle.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/kernel/irq/handle.c	2023-06-28 08:54:21.000000000 +0000
@@ -15,6 +15,9 @@
 #include <linux/kernel_stat.h>
 
 #include <trace/events/irq.h>
+#if defined(CONFIG_BCM_KF_BUZZZ) && defined(CONFIG_BUZZZ_KEVT)
+#include <linux/buzzz.h>
+#endif
 
 #include "internals.h"
 
@@ -32,6 +35,9 @@
 {
 	unsigned int irq = irq_desc_get_irq(desc);
 
+#if defined(CONFIG_BCM_KF_BUZZZ) && defined(CONFIG_BUZZZ_KEVT)
+	BUZZZ_KNL3(IRQ_BAD, irq, 0);
+#endif
 	print_irq_desc(irq, desc);
 	kstat_incr_irqs_this_cpu(desc);
 	ack_bad_irq(irq);
@@ -146,7 +152,13 @@
 		irqreturn_t res;
 
 		trace_irq_handler_entry(irq, action);
+#if defined(CONFIG_BCM_KF_BUZZZ) && defined(CONFIG_BUZZZ_KEVT)
+		BUZZZ_KNL3(IRQ_ENT, irq, action->handler);
+#endif
 		res = action->handler(irq, action->dev_id);
+#if defined(CONFIG_BCM_KF_BUZZZ) && defined(CONFIG_BUZZZ_KEVT)
+		BUZZZ_KNL3(IRQ_EXT, irq, action->handler);
+#endif
 		trace_irq_handler_exit(irq, action, res);
 
 		if (WARN_ONCE(!irqs_disabled(),"irq %u handler %pF enabled interrupts\n",