dmaengine: tegra: don't open code of_device_get_match_data()

Use of_device_get_match_data() for getting matched data
instead of implementing this locally.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 935da8192f59cc18e3353ba4668126c52f1d2673..ced588f22f0dee52b49aced4f597e2db2e10263c 100644 (file)
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -1317,15 +1317,13 @@ static int tegra_dma_probe(struct platform_device *pdev)
        struct tegra_dma *tdma;
        int ret;
        int i;
-       const struct tegra_dma_chip_data *cdata = NULL;
-       const struct of_device_id *match;
+       const struct tegra_dma_chip_data *cdata;
 
-       match = of_match_device(tegra_dma_of_match, &pdev->dev);
-       if (!match) {
-               dev_err(&pdev->dev, "Error: No device match found\n");
+       cdata = of_device_get_match_data(&pdev->dev);
+       if (!cdata) {
+               dev_err(&pdev->dev, "Error: No device match data found\n");
                return -ENODEV;
        }
-       cdata = match->data;
 
        tdma = devm_kzalloc(&pdev->dev, sizeof(*tdma) + cdata->nr_channels *
                        sizeof(struct tegra_dma_channel), GFP_KERNEL);