diff options
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
-rw-r--r-- | arch/arm/plat-omap/dma.c | 9 |
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]; |