ENGR00177235-2 SDMA: add p2p dma mode

Add code to support p2p dma mode.Add membership in imx_dma_data
struct to support P2P dma script. Because the P2P dma script
need 2 dma request to trigger DMA burst.

Signed-off-by: Chen Liangjun <b36089@freescale.com>

diff --git a/arch/arm/plat-mxc/include/mach/dma.h b/arch/arm/plat-mxc/include/mach/dma.h
index ee3b962eeb4d594bb63fd885e585f8347738b30d..ba00959c19fa576fc3df3df57458eb531534c19a 100644 (file)
--- a/arch/arm/plat-mxc/include/mach/dma.h
+++ b/arch/arm/plat-mxc/include/mach/dma.h
@@ -55,6 +55,7 @@ enum imx_dma_prio {
 
 struct imx_dma_data {
        int dma_request; /* DMA request line */
+       int dma_request_p2p;
        enum sdma_peripheral_type peripheral_type;
        int priority;
 };