From 16faee5a1dcf674cf8bcb0ad2244b280a4f48401 Mon Sep 17 00:00:00 2001
From: cg <cg@FreeBSD.org>
Date: Sat, 29 Sep 2001 08:01:42 +0000
Subject: release isa dma channels on unload.

---
 sys/dev/sound/isa/mss.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

(limited to 'sys')

diff --git a/sys/dev/sound/isa/mss.c b/sys/dev/sound/isa/mss.c
index 5c2596a..78b61c3 100644
--- a/sys/dev/sound/isa/mss.c
+++ b/sys/dev/sound/isa/mss.c
@@ -268,12 +268,16 @@ mss_release_resources(struct mss_info *mss, device_t dev)
 				     mss->irq);
 		mss->irq = 0;
     	}
-    	if (mss->drq2 && mss->drq2 != mss->drq1) {
-		bus_release_resource(dev, SYS_RES_DRQ, mss->drq2_rid,
-				     mss->drq2);
+    	if (mss->drq2) {
+		if (mss->drq2 != mss->drq1) {
+			isa_dma_release(rman_get_start(mss->drq2));
+			bus_release_resource(dev, SYS_RES_DRQ, mss->drq2_rid,
+				     	mss->drq2);
+		}
 		mss->drq2 = 0;
     	}
      	if (mss->drq1) {
+		isa_dma_release(rman_get_start(mss->drq1));
 		bus_release_resource(dev, SYS_RES_DRQ, mss->drq1_rid,
 				     mss->drq1);
 		mss->drq1 = 0;
-- 
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