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authorJens Axboe <jens.axboe@oracle.com>2010-04-29 03:36:24 -0400
committerJens Axboe <jens.axboe@oracle.com>2010-04-29 03:36:24 -0400
commit7407cf355fdf5500430be966dbbde84a27293bad (patch)
tree922861288ff38558ed721a79653f52b17b13bb95 /arch/arm/plat-omap/dma.c
parent6a47dc1418682c83d603b491df1d048f73aa973e (diff)
parent79dba2eaa771c3173957eccfd288e0e0d12e4d3f (diff)
Merge branch 'master' into for-2.6.35
Conflicts: fs/block_dev.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
-rw-r--r--arch/arm/plat-omap/dma.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 5c6c342c53f5..1d959965ff52 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -937,6 +937,15 @@ void omap_start_dma(int lch)
937{ 937{
938 u32 l; 938 u32 l;
939 939
940 /*
941 * The CPC/CDAC register needs to be initialized to zero
942 * before starting dma transfer.
943 */
944 if (cpu_is_omap15xx())
945 dma_write(0, CPC(lch));
946 else
947 dma_write(0, CDAC(lch));
948
940 if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) { 949 if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {
941 int next_lch, cur_lch; 950 int next_lch, cur_lch;
942 char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT]; 951 char dma_chan_link_map[OMAP_DMA4_LOGICAL_DMA_CH_COUNT];