From 0580abc5785aff0b60d9c19f9f719948dde8b974 Mon Sep 17 00:00:00 2001
From: Adrian Chadd <adrian@FreeBSD.org>
Date: Fri, 5 Apr 2013 00:22:53 +0000
Subject: [PATCH] AR9330/AR9331 also needs to ACK the APB interrupt register,
 same as AR724x.

This fixes 'stuck interrupt' problems I was having when writing the
uart interrupt code.
---
 sys/mips/atheros/apb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/mips/atheros/apb.c b/sys/mips/atheros/apb.c
index 085a7ecbfb5..ef44e0ad47f 100644
--- a/sys/mips/atheros/apb.c
+++ b/sys/mips/atheros/apb.c
@@ -357,6 +357,8 @@ apb_filter(void *arg)
 			case AR71XX_SOC_AR7240:
 			case AR71XX_SOC_AR7241:
 			case AR71XX_SOC_AR7242:
+			case AR71XX_SOC_AR9330:
+			case AR71XX_SOC_AR9331:
 				/* Ack/clear the irq on status register for AR724x */
 				ATH_WRITE_REG(AR71XX_MISC_INTR_STATUS,
 				    reg & ~(1 << irq));