1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 2ab224c8e16c..1d959965ff52 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -29,6 +29,7 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/io.h>
+#include <linux/slab.h>
 
 #include <asm/system.h>
 #include <mach/hardware.h>
@@ -936,6 +937,15 @@ void omap_start_dma(int lch)
 {
         u32 l;
 
+        /*
+         * The CPC/CDAC register needs to be initialized to zero
+         * before starting dma transfer.
+         */
+        if (cpu_is_omap15xx())
+                dma_write(0, CPC(lch));
+        else
+                dma_write(0, CDAC(lch));
+
         if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {
                 int next_lch, cur_lch;
                 char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT];