From 98f716f999ecdd792d61e22e4e69ffa5419cf37b Mon Sep 17 00:00:00 2001
From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Sat, 22 Jan 2011 23:29:37 -0500
Subject: [PATCH] fix sema in arm bcmring_dma

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c
index cbda897..744edb0 100644
--- a/arch/arm/mach-bcmring/dma.c
+++ b/arch/arm/mach-bcmring/dma.c
@@ -1573,7 +1573,7 @@ int dma_init_mem_map(DMA_MemMap_t *memMap)
 {
 	memset(memMap, 0, sizeof(*memMap));
 
-	init_MUTEX(&memMap->lock);
+	sema_init(&memMap->lock, 1);
 
 	return 0;
 }
@@ -2225,6 +2225,8 @@ int dma_unmap(DMA_MemMap_t *memMap,	/* Stores state information about the map */
 	DMA_Region_t *region;
 	DMA_Segment_t *segment;
 
+	down(&memMap->lock);
+
 	for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) {
 		region = &memMap->region[regionIdx];
 
-- 
1.7.1.1