From 569fa65ddd6dd8ab6a38e21c66b1fbd2648b1a61 Mon Sep 17 00:00:00 2001
From: Adrian Chadd <adrian@FreeBSD.org>
Date: Sat, 30 Apr 2011 11:56:04 +0000
Subject: [PATCH] Call the DDR FIFO flush method when IP2 interrupts occur.

---
 sys/mips/atheros/ar71xx_pci.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/mips/atheros/ar71xx_pci.c b/sys/mips/atheros/ar71xx_pci.c
index 632270cb8e66..709d42e89f78 100644
--- a/sys/mips/atheros/ar71xx_pci.c
+++ b/sys/mips/atheros/ar71xx_pci.c
@@ -500,6 +500,9 @@ ar71xx_pci_intr(void *arg)
 				continue;
 			}
 
+			/* Flush DDR FIFO for IP2 */
+			ar71xx_device_ddr_flush_ip2();
+
 			/* TODO: frame instead of NULL? */
 			intr_event_handle(event, NULL);
 			mips_intrcnt_inc(sc->sc_intr_counter[irq]);