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    Subject[PATCH 1/1] dma: tegra: don't open code of_device_get_match_data()
    Date
    Use of_device_get_match_data() for getting matched data
    instead of implementing this locally.

    Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
    ---
    drivers/dma/tegra20-apb-dma.c | 10 ++++------
    1 file changed, 4 insertions(+), 6 deletions(-)

    diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
    index 935da81..ced588f 100644
    --- 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);
    --
    2.1.4
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