[PATCH 4/5] ASoC: omap-mcbsp:Update driver for DMA DT binding.

[Sebastien Guiriec <s-guiriec@xxxxxx>]

Update the driver in order to use OMAP DMA DT binding instead of
hwmod data for DT boot.

Signed-off-by: Sebastien Guiriec <s-guiriec@xxxxxx>
---
 sound/soc/omap/mcbsp.c |   26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c
index 285c836..16936493 100644
--- a/sound/soc/omap/mcbsp.c
+++ b/sound/soc/omap/mcbsp.c
@@ -1012,24 +1012,30 @@ int omap_mcbsp_init(struct platform_device *pdev)
 		}
 	}
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
-	if (!res) {
-		dev_err(&pdev->dev, "invalid rx DMA channel\n");
-		return -ENODEV;
+	if (!pdev->dev.of_node) {
+		res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
+		if (!res) {
+			dev_err(&pdev->dev, "invalid rx DMA channel\n");
+			return -ENODEV;
+		}
+		mcbsp->dma_data[1].dma_req = res->start;
 	}
 	/* RX DMA request number, and port address configuration */
 	mcbsp->dma_data[1].name = "Audio Capture";
-	mcbsp->dma_data[1].dma_req = res->start;
+	mcbsp->dma_data[1].dma_name = "rx";
 	mcbsp->dma_data[1].port_addr = omap_mcbsp_dma_reg_params(mcbsp, 1);
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
-	if (!res) {
-		dev_err(&pdev->dev, "invalid tx DMA channel\n");
-		return -ENODEV;
+	if (!pdev->dev.of_node) {
+		res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
+		if (!res) {
+			dev_err(&pdev->dev, "invalid tx DMA channel\n");
+			return -ENODEV;
+		}
+		mcbsp->dma_data[0].dma_req = res->start;
 	}
 	/* TX DMA request number, and port address configuration */
 	mcbsp->dma_data[0].name = "Audio Playback";
-	mcbsp->dma_data[0].dma_req = res->start;
+	mcbsp->dma_data[0].dma_name = "tx";
 	mcbsp->dma_data[0].port_addr = omap_mcbsp_dma_reg_params(mcbsp, 0);
 
 	mcbsp->fclk = clk_get(&pdev->dev, "fck");
-- 
1.7.10.4

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